:root {
  color-scheme: light dark;
  background-color: var(
    --background,
    var(--color-background-primary, light-dark(rgb(255 255 255), rgb(24 24 24)))
  ) !important;

  /* Agent-facing contract; keep in sync with SKILL.md. */
  --background: var(
    --color-background-primary,
    light-dark(rgb(255 255 255), rgb(24 24 24))
  );
  --foreground: var(
    --color-text-primary,
    light-dark(rgb(26 28 31), rgb(255 255 255))
  );
  --card: color-mix(in oklab, var(--foreground) 5%, var(--background));
  --card-foreground: var(
    --color-text-primary,
    light-dark(rgb(26 28 31), rgb(255 255 255))
  );
  --popover: var(
    --color-background-secondary,
    light-dark(rgb(255 255 255), rgb(45 45 45))
  );
  --popover-foreground: var(
    --color-text-primary,
    light-dark(rgb(26 28 31), rgb(255 255 255))
  );
  --primary: var(
    --color-text-info,
    light-dark(rgb(51 156 255), rgb(131 195 255))
  );
  --primary-foreground: var(
    --color-text-inverse,
    light-dark(rgb(255 255 255), rgb(13 13 13))
  );
  --secondary: var(
    --color-background-secondary,
    light-dark(rgb(255 255 255 / 96%), rgb(54 54 54 / 96%))
  );
  --secondary-foreground: var(
    --color-text-primary,
    light-dark(rgb(26 28 31), rgb(255 255 255))
  );
  --muted: color-mix(in srgb, var(--foreground) 10%, transparent);
  --muted-foreground: var(
    --color-text-secondary,
    light-dark(rgb(26 28 31 / 49.4%), rgb(255 255 255 / 49.8%))
  );
  --accent: var(
    --color-background-info,
    light-dark(rgb(229 242 255), rgb(13 39 63))
  );
  --accent-foreground: var(
    --color-text-info,
    light-dark(rgb(51 156 255), rgb(131 195 255))
  );
  --destructive: var(
    --color-text-warning,
    light-dark(rgb(226 85 7), rgb(255 133 73))
  );
  --border: var(
    --color-border-secondary,
    light-dark(rgb(26 28 31 / 8%), rgb(255 255 255 / 8.2%))
  );
  --input: var(
    --color-border-primary,
    light-dark(
      rgb(26 28 31 / 11.8%),
      color-mix(in oklab, rgb(0 0 0) 10%, transparent)
    )
  );
  --ring: var(
    --color-ring-primary,
    light-dark(rgb(51 156 255), rgb(131 195 255 / 76%))
  );
  --font-size-base: var(--font-text-md-size, 14px);
  --blue: light-dark(rgb(51 156 255), rgb(51 156 255));
  --orange: light-dark(rgb(226 85 7), rgb(251 106 34));
  --green: light-dark(rgb(0 162 64), rgb(64 201 119));
  --red: light-dark(rgb(224 46 42), rgb(255 103 100));
  --purple: light-dark(rgb(146 79 247), rgb(173 123 249));
  --yellow: light-dark(rgb(255 195 0), rgb(255 210 64));
  --viz-series-1: var(--primary);
  --viz-series-2: light-dark(rgb(243 136 59), rgb(245 154 86));
  --viz-series-3: light-dark(rgb(93 201 119), rgb(116 213 139));
  --viz-series-4: light-dark(rgb(235 119 177), rgb(240 143 192));
  --viz-series-5: light-dark(rgb(155 121 236), rgb(170 145 239));
  --viz-series-6: light-dark(rgb(58 185 177), rgb(90 203 194));

  /* Internal implementation variables; not part of the agent contract. */
  --font-sans: -apple-system, system-ui, "Segoe UI", sans-serif;
  --font-mono:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono",
    monospace;
  --font-size-normal: max(11px, var(--font-size-base));
  --font-size-tooltip: calc(var(--font-size-base) - 1px);
  --font-size-small: max(11px, calc(var(--font-size-base) - 2px));
  --font-size-h1: calc(var(--font-size-normal) * 1.7142857143);
  --font-size-h2: calc(var(--font-size-normal) * 1.4285714286);
  --font-size-h3: calc(var(--font-size-normal) * 1.2857142857);
  --font-weight-normal: 430;
  --font-weight-medium: 500;
  --icon-size: 16px;
  --line-height-normal: calc(var(--font-size-normal) * 1.5);
  --line-height-tooltip: calc(var(--font-size-tooltip) * 1.4285714286);
  --line-height-small: calc(var(--font-size-small) + 4px);
  --corner-shape: round;
  --radius: var(--border-radius-lg, 10px);
  --radius-sm: calc(var(--radius) * 0.6);
  --radius-md: calc(var(--radius) * 0.8);
  --radius-lg: var(--radius);
  --radius-2xl: calc(var(--radius) * 1.6);
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px -1px rgb(0 0 0 / 8%);
  --checkmark-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 17 17'%3E%3Cpath d='M12.8961 3.64101C13.1297 3.41418 13.4984 3.37523 13.7779 3.56581C14.0571 3.75635 14.1554 4.11331 14.0299 4.41347L13.9615 4.53847L7.71151 13.7045C7.59411 13.8767 7.4063 13.9877 7.19881 14.0072C6.99136 14.0267 6.78564 13.9533 6.63826 13.806L2.88826 10.056L2.79842 9.9457C2.6192 9.67407 2.64927 9.30496 2.88826 9.06581C3.12738 8.82669 3.49647 8.79676 3.76815 8.97597L3.8785 9.06581L7.03084 12.2182L12.8053 3.74941L12.8961 3.64101Z'/%3E%3C/svg%3E");

  /* Legacy aliases; not part of the current agent contract. */
  --viz-bg: transparent;
  --viz-panel: var(--card);
  --viz-border: var(--border);
  --viz-text: var(--foreground);
  --viz-muted: var(--muted-foreground);
  --viz-accent: var(--primary);
  --viz-accent-text: var(--primary-foreground);
  --viz-accent-bg: var(--accent);
  --viz-font-size: var(--font-size-base);
  --viz-warning: var(--destructive);
}

@media (min-width: 900px) {
  html:has(#yi2c-collage-mobile),
  body:has(#yi2c-collage-mobile) { height: 100%; overflow: hidden; }

  #yi2c-collage-mobile,
  #yi2c-collage-mobile .yi2c-phone,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"].is-active {
    height: 100dvh;
    min-height: 620px;
    overflow: hidden;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"].is-active {
    grid-template-columns: 74px 320px minmax(420px,1fr) 380px;
    grid-template-rows: 68px minmax(0,1fr);
    min-width: 1180px;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar {
    position: relative;
    min-height: 68px;
    padding: 8px 18px;
    border-bottom: 1px solid rgba(16,27,44,.14);
    background: #ffffff;
    color: #000000;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-home {
    display: inline-flex;
    width: auto;
    min-width: 42px;
    gap: 9px;
    padding: 0 12px;
    border: 1px solid rgba(16,27,44,.22);
    background: #000000;
    color: #ffffff;
    font-weight: 700;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-home .yi2c-desktop-only {
    display: inline !important;
    font-size: 11px;
    font-weight: 650;
    letter-spacing: .02em;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy strong,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy span {
    color: #000000;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy {
    width: 330px;
    max-width: 330px;
    padding: 0 4px;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy strong {
    font: 600 20px/1.05 var(--yi2c-serif);
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy span {
    margin-top: 3px;
    font-size: 11px;
  }

  #yi2c-collage-mobile .yi2c-desktop-save-status {
    position: absolute;
    left: 50%;
    display: inline-flex !important;
    align-items: center;
    gap: 7px;
    transform: translateX(-50%);
    color: #617067;
    font-size: 11px;
  }

  #yi2c-collage-mobile .yi2c-desktop-save-status::before {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4e8a61;
    content: "";
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .btn {
    border-color: rgba(16,27,44,.2);
    color: #000000;
  }

  #yi2c-collage-mobile .yi2c-tips-toast { display: none !important; }
  #yi2c-collage-mobile .yi2c-help-panel { top: 62px; right: 18px; left: auto; width: min(380px,calc(100vw - 36px)); }

  #yi2c-collage-mobile .yi2c-tools { background: #000000; }
  #yi2c-collage-mobile .yi2c-tool,
  #yi2c-collage-mobile .yi2c-tool.yi2c-desktop-only {
    min-height: 72px;
    flex-basis: 72px;
    border-bottom-color: rgba(255,255,255,.1);
  }
  #yi2c-collage-mobile .yi2c-tool i { width: 20px; height: 20px; }
  #yi2c-collage-mobile .yi2c-tool[aria-pressed="true"] {
    background: rgba(255,255,255,.07);
    box-shadow: inset 3px 0 0 #d9af43;
  }

  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) {
    width: 320px;
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head {
    position: relative;
    display: block;
    min-height: 96px;
    padding: 36px 20px 12px;
    border-bottom: 0;
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head::before {
    position: absolute;
    top: 17px;
    left: 20px;
    color: #7b746a;
    font-size: 10px;
    font-weight: 750;
    letter-spacing: .16em;
    text-transform: uppercase;
    content: "COLLAGE TOOLS";
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="layout"] .yi2c-sheet-head::before { content: "CHOOSE A DESIGN"; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] .yi2c-sheet-head::before { content: "YOUR PHOTOGRAPHS"; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="spacing"] .yi2c-sheet-head::before { content: "REFINE THE LAYOUT"; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-sheet-head::before { content: "SET THE TONE"; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="colour"] .yi2c-sheet-head::before { content: "PHOTOGRAPH TREATMENT"; }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head strong {
    font: 600 26px/1.1 var(--yi2c-serif);
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-body { padding: 4px 20px 28px; }
  #yi2c-collage-mobile .yi2c-desktop-panel-copy { margin: 0 0 18px; color: #667078; font-size: 12px; line-height: 1.55; }
  #yi2c-collage-mobile .yi2c-desktop-filter-label { display: block; margin: 0 0 6px; color: #000000; font-size: 11px; font-weight: 700; }
  #yi2c-collage-mobile .yi2c-desktop-layout-gallery { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin-top: 14px; }
  #yi2c-collage-mobile .yi2c-desktop-template-card { display: grid; gap: 8px; min-width: 0; padding: 8px; border: 1px solid #d9d2c7; background: #ffffff; color: #000000; text-align: left; }
  #yi2c-collage-mobile .yi2c-desktop-template-card .yi2c-template-preview { width: 100%; height: 84px; margin: 0; }
  #yi2c-collage-mobile .yi2c-desktop-template-card strong,
  #yi2c-collage-mobile .yi2c-desktop-template-card small { display: block; }
  #yi2c-collage-mobile .yi2c-desktop-template-card strong { font: 600 14px/1.15 var(--yi2c-serif); }
  #yi2c-collage-mobile .yi2c-desktop-template-card small { margin-top: 3px; color: #687079; font-size: 9px; line-height: 1.3; }
  #yi2c-collage-mobile .yi2c-desktop-template-card[aria-pressed="true"] { border-color: #4e8a61; background: #eaf3e9; box-shadow: inset 0 0 0 1px #4e8a61; }

  #yi2c-collage-mobile .yi2c-stage {
    justify-content: center;
    padding: 18px 28px 16px;
    background-color: #f3f3f3;
    background-image: radial-gradient(rgba(16,27,44,.075) .65px,transparent .65px);
    background-size: 12px 12px;
  }
  #yi2c-collage-mobile .yi2c-editor-selection-summary { margin: 0 0 9px; }
  #yi2c-collage-mobile .yi2c-collage {
    width: min(78%,620px);
    max-height: calc(100dvh - 225px);
    box-shadow: 0 22px 58px rgba(16,27,44,.2);
  }
  #yi2c-collage-mobile .yi2c-collage.is-landscape { width: min(96%,780px); }
  #yi2c-collage-mobile .yi2c-collage.is-square { width: min(82%,650px); }
  #yi2c-collage-mobile .yi2c-collage.is-desktop-empty {
    display: grid;
    width: min(78%,620px);
    min-height: min(56vh,520px);
    place-items: center;
    border: 1px dashed rgba(16,27,44,.28);
    background: #f3f3f3;
    box-shadow: none;
  }
  #yi2c-collage-mobile .yi2c-desktop-empty-state {
    display: grid;
    width: min(330px,76%);
    gap: 7px;
    padding: 24px 28px;
    border: 1px solid rgba(16,27,44,.16);
    background: #ffffff;
    color: #000000;
    text-align: center;
  }
  #yi2c-collage-mobile .yi2c-desktop-empty-state[hidden] { display: none; }
  #yi2c-collage-mobile .yi2c-desktop-empty-state strong { font: 600 22px/1.2 var(--yi2c-serif); }
  #yi2c-collage-mobile .yi2c-desktop-empty-state span { color: #687079; font-size: 12px; line-height: 1.45; }
  #yi2c-collage-mobile .yi2c-stage:has(.yi2c-collage.is-desktop-empty) .yi2c-editor-selection-summary,
  #yi2c-collage-mobile .yi2c-stage:has(.yi2c-collage.is-desktop-empty) .yi2c-stage-status,
  #yi2c-collage-mobile .yi2c-stage:has(.yi2c-collage.is-desktop-empty) .yi2c-photo-actions { display: none; }
  #yi2c-collage-mobile .yi2c-stage-status,
  #yi2c-collage-mobile .yi2c-photo-actions { width: min(96%,780px); }
  #yi2c-collage-mobile .yi2c-photo-actions .btn { border-color: #cbc3b7; background: #ffffff; }

  #yi2c-collage-mobile .yi2c-sheet[data-sheet="spacing"] .yi2c-sheet-body > label,
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="spacing"] .yi2c-sheet-body > input { margin-left: 0; margin-right: 0; }
  #yi2c-collage-mobile .yi2c-desktop-presets { display: grid !important; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 6px; margin: 8px 0 22px; }
  #yi2c-collage-mobile .yi2c-desktop-presets button { min-height: 38px; border: 1px solid #d4cdc2; background: #ffffff; color: #000000; font-size: 11px; }
  #yi2c-collage-mobile .yi2c-swatch-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
  #yi2c-collage-mobile .yi2c-swatch { min-height: 76px; padding: 10px; border: 1px solid #d4cdc2; background: #ffffff; }
  #yi2c-collage-mobile .yi2c-swatch-colour { width: 32px; height: 32px; }
  #yi2c-collage-mobile [data-group="treatment"] { grid-template-columns: 1fr; gap: 10px; }
  #yi2c-collage-mobile [data-group="treatment"] .yi2c-choice { min-height: 64px; padding: 14px 16px; text-align: left; }

  #yi2c-collage-mobile .yi2c-desktop-order-panel {
    display: flex !important;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-desktop-order-head { padding: 22px 22px 16px; }
  #yi2c-collage-mobile .yi2c-desktop-order-head .yi2c-kicker { color: #6c766f; font-size: 9px; font-weight: 800; letter-spacing: .16em; }
  #yi2c-collage-mobile .yi2c-desktop-order-head h2 { margin: 4px 0 5px; font: 600 30px/1.05 var(--yi2c-serif); }
  #yi2c-collage-mobile .yi2c-desktop-order-head ~ .yi2c-desktop-option-section { margin: 0 22px; }
  #yi2c-collage-mobile .yi2c-desktop-order-panel > .yi2c-desktop-option-section:last-of-type { margin-bottom: 112px; }
  #yi2c-collage-mobile .yi2c-desktop-segmented button,
  #yi2c-collage-mobile .yi2c-desktop-size-grid button,
  #yi2c-collage-mobile .yi2c-desktop-finish-grid button { min-height: 50px; border: 1px solid #d3ccc1; background: #ffffff; }
  #yi2c-collage-mobile .yi2c-desktop-segmented button[aria-pressed="true"],
  #yi2c-collage-mobile .yi2c-desktop-size-grid button[aria-pressed="true"],
  #yi2c-collage-mobile .yi2c-desktop-finish-grid button[aria-pressed="true"],
  #yi2c-collage-mobile .yi2c-choice[aria-pressed="true"],
  #yi2c-collage-mobile .yi2c-swatch[aria-pressed="true"] {
    border-color: #4e8a61;
    background: #eaf3e9;
    color: #214f32;
    box-shadow: inset 0 0 0 1px #4e8a61;
  }
  #yi2c-collage-mobile .yi2c-desktop-promo { width: 100%; padding: 10px 12px; border: 1px solid #b9d1ba; background: #eaf3e9; color: #214f32; text-align: center; }
  #yi2c-collage-mobile .yi2c-desktop-hanger { min-height: 58px; border-color: #d3ccc1; background: #ffffff; }
  #yi2c-collage-mobile .yi2c-desktop-comment textarea { min-height: 70px; background: #ffffff; }
  #yi2c-collage-mobile .yi2c-desktop-order-footer {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 380px;
    padding: 14px 22px 16px;
    border-top: 1px solid rgba(16,27,44,.16);
    background: #ffffff;
    box-shadow: 0 -12px 24px rgba(16,27,44,.06);
  }
  #yi2c-collage-mobile .yi2c-desktop-order-footer .btn-primary { min-height: 50px; background: #000000; color: #ffffff; }
}

:root[data-theme="light"] {
  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html > body {
  /* Preserve MCP aliases for older inline renderers without creating :root cycles. */
  --color-background-primary: var(
    --background,
    light-dark(rgb(255 255 255), rgb(24 24 24))
  );
  --color-text-primary: var(
    --foreground,
    light-dark(rgb(26 28 31), rgb(255 255 255))
  );
  --color-border-secondary: var(
    --border,
    light-dark(rgb(26 28 31 / 8%), rgb(255 255 255 / 8.2%))
  );

  margin: 0;
  padding: var(--visualize-paint-gutter, 0px);
  color: var(--foreground);
  background: transparent !important;
  font-family: var(--font-sans) !important;
  font-size: var(--font-size-normal);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
}

:root:not([data-app-block-surface], [data-visualize-standalone]) > body {
  padding: 12px;
}

a {
  color: color-mix(in srgb, var(--viz-accent) 80%, var(--viz-text) 20%);
  cursor: pointer;
  font-weight: var(--font-weight-medium, 500);
  text-decoration: none;
  text-underline-offset: 2px;
}

a:is(:hover, :focus-visible) {
  text-decoration-line: underline;
  text-decoration-style: dashed;
  text-decoration-thickness: 0.5px;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin-block: 0;
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-medium);
  line-height: 1.25;
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-medium);
  line-height: 1.25;
}

h3,
h4,
h5,
h6 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-medium);
  line-height: 1.3;
}

b,
strong,
th {
  font-weight: var(--font-weight-medium);
}

code:not(pre code) {
  display: inline;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  corner-shape: var(--corner-shape);
  background: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.92em;
  overflow-wrap: anywhere;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  word-break: break-word;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  scrollbar-width: thin;
}

.table {
  width: 100%;
  border-collapse: collapse;
  color: var(--foreground);
  font: inherit;
  text-align: start;
}

.table :is(th, td) {
  padding-block: 10px;
  padding-inline: 0 24px;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--border);
  text-align: start;
  vertical-align: top;
}

.table-responsive > .table :is(th, td) {
  overflow-wrap: break-word;
}

.table :is(th, td):last-child {
  padding-inline-end: 0;
}

.table :is(caption, thead th) {
  font-weight: 600;
}

.table thead th {
  padding-block: 8px;
  border-bottom-color: color-mix(in srgb, var(--foreground) 16%, transparent);
}

.table tbody tr:last-child :is(th, td) {
  border-bottom: 0;
}

.table.table-sm :is(th, td) {
  padding-block: 6px;
}

.table.table-sm :is(th, td):not(:last-child) {
  padding-inline-end: 16px;
}

.table :is(.text-end, [align="right"]) {
  text-align: end;
  font-variant-numeric: tabular-nums;
}

.table :is(.text-center, [align="center"]) {
  text-align: center;
}

.table .text-nowrap {
  white-space: nowrap;
}

#widget {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  padding: 0;
  background: transparent !important;
}

.card {
  min-width: 0;
  padding: 12px;
  overflow: hidden;
  overflow-wrap: break-word;
  border-radius: var(--radius-2xl);
  corner-shape: var(--corner-shape);
  color: var(--card-foreground);
  background: var(--card);
}

#widget > :not(.card, .progress) {
  width: 100% !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.tooltip {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: max-content;
  max-width: min(
    20rem,
    var(--tooltip-available-width, calc(100vw - 10px)),
    calc(100vw - 10px)
  );
  max-height: min(
    var(--tooltip-available-height, calc(100vh - 10px)),
    calc(100vh - 10px)
  );
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  corner-shape: var(--corner-shape);
  color: var(--popover-foreground);
  background: var(--popover);
  box-shadow: none;
  font-size: var(--font-size-tooltip);
  line-height: var(--line-height-tooltip);
  overflow-wrap: break-word;
  white-space: normal;
  pointer-events: none;
  user-select: none;
}

/* The shared runtime owns data-tooltip; suppress AppBlock's pseudo-tooltip. */
main [data-tooltip]::after {
  content: none;
}

.viz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(max(180px, 24%), 1fr));
  gap: 10px;
}

.viz-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.viz-stat-value {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-medium);
  line-height: 1.25;
}

.viz-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

hr {
  width: 100%;
  height: 1px;
  margin-block: 6px;
  border: 0;
  background: var(--border);
}

.nav {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 4px;
}

.progress {
  display: flex;
  height: 8px;
  margin-block: calc((var(--line-height-normal, 1.5em) - 8px) / 2);
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-full);
  background: var(--muted);
}

.progress-bar:only-child {
  border-radius: var(--radius-full);
}

.progress-bar {
  height: 100%;
  flex-shrink: 0;
  border: 0;
  background: var(--viz-series-1);
}

.viz-badge {
  padding: 3px 8px;
  border-radius: var(--radius-full);
  color: var(--accent-foreground);
  background: var(--accent);
  font-weight: var(--font-weight-medium);
}

small,
.text-small,
.viz-badge {
  font-size: var(--font-size-small);
  line-height: var(--line-height-small);
}

.text-muted {
  color: var(--muted-foreground);
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.viz-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.viz-controls > .form-label {
  display: grid;
  min-width: min(100%, 260px);
  flex: 1 1 280px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 2px 12px;
  margin-bottom: 0;
}

.viz-controls > .form-label > :is(.form-control, .form-range, .form-select) {
  grid-column: 1 / -1;
}

.btn,
.nav-link,
.form-check-input,
.form-control,
.form-range,
.form-select {
  font: inherit;
}

.btn,
.nav-link {
  appearance: button;
  display: inline-flex;
  inline-size: fit-content;
  max-inline-size: 100%;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin: 0;
  padding: 0 8px;
  -webkit-app-region: no-drag;
  border: 1px solid var(--input);
  border-radius: var(--radius-lg);
  corner-shape: var(--corner-shape);
  color: var(--secondary-foreground);
  background: var(--secondary);
  cursor: var(--cursor-interaction, pointer);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

.btn:is(.btn-block, .viz-tile) {
  inline-size: 100%;
}

.btn.viz-tile {
  min-width: 0;
  overflow-wrap: anywhere;
  white-space: normal;
}

a.btn {
  cursor: pointer;
  text-decoration: none;
}

.btn:not(:disabled):hover,
.nav-link:not(:disabled):not([aria-disabled="true"]):hover {
  background: color-mix(in srgb, var(--foreground) 6%, var(--secondary));
}

.btn-primary {
  border-color: transparent;
  color: var(--primary-foreground);
  background: var(--foreground);
  background-clip: padding-box;
}

.btn-primary .text-muted {
  color: color-mix(in srgb, var(--primary-foreground) 50%, transparent);
}

.btn-primary:not(:disabled):hover {
  background: color-mix(in srgb, var(--foreground) 80%, transparent);
  background-clip: padding-box;
}

.btn-ghost {
  border-color: transparent;
  color: var(--muted-foreground);
  background: transparent;
}

.btn-ghost:not(:disabled):hover {
  color: var(--foreground);
  background: color-mix(in srgb, var(--foreground) 6%, var(--secondary));
}

.nav-pills .nav-link {
  min-width: 0;
  border-color: transparent;
  color: var(--muted-foreground);
  background: transparent;
}

.nav-justified .nav-link {
  flex: 1 1 0;
  overflow-wrap: anywhere;
  white-space: normal;
}

.nav-pills .nav-link.active {
  color: var(--foreground);
  background: var(--muted);
}

.btn:disabled,
.nav-link:disabled,
.nav-link[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.4;
}

[data-lucide] {
  stroke-width: 1.6;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  color: var(--foreground);
}

.form-control {
  display: block;
  width: 100%;
  min-height: 28px;
  padding: 0 8px;
  outline: none;
  border: 1px solid var(--input);
  border-radius: var(--radius-lg);
  corner-shape: var(--corner-shape);
  color: var(--foreground);
  background: var(--secondary);
}

.form-control::placeholder {
  color: var(--muted-foreground);
}

.form-control[type="file"] {
  padding: 0;
  overflow: hidden;
  cursor: var(--cursor-interaction, pointer);
}

.form-control[type="file"]::file-selector-button {
  min-height: 26px;
  margin-right: 8px;
  padding: 0 8px;
  border: 0;
  border-right: 1px solid var(--input);
  color: var(--secondary-foreground);
  background: var(--secondary);
  cursor: inherit;
  font: inherit;
}

.form-control[type="file"]:not(:disabled):hover::file-selector-button {
  background: color-mix(in srgb, var(--foreground) 6%, var(--secondary));
}

.form-control-color[type="color"] {
  width: 40px;
  height: 28px;
  padding: 3px;
  cursor: var(--cursor-interaction, pointer);
}

.form-control-color[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.form-control-color[type="color"]::-webkit-color-swatch {
  border: 0;
  border-radius: calc(var(--radius-lg) - 4px);
  corner-shape: var(--corner-shape);
}

textarea.form-control {
  height: auto;
  min-height: 72px;
  padding: 8px 10px;
  resize: vertical;
}

.form-control:focus-visible {
  border-color: var(--ring);
  box-shadow: inset 0 0 0 1px var(--ring);
}

.form-control:disabled,
.form-select:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.form-select {
  appearance: none;
  display: block;
  width: 100%;
  min-height: 28px;
  margin: 0;
  padding: 0 32px 0 8px;
  outline: none;
  border: 1px solid var(--input);
  border-radius: var(--radius-lg);
  corner-shape: var(--corner-shape);
  color: var(--foreground);
  background-color: var(--secondary);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted-foreground) 50%),
    linear-gradient(135deg, var(--muted-foreground) 50%, transparent 50%);
  background-position:
    calc(100% - 14px) 50%,
    calc(100% - 10px) 50%;
  background-repeat: no-repeat;
  background-size: 4px 4px;
  cursor: var(--cursor-interaction, default);
}

.form-select:not(:disabled):hover {
  background-color: color-mix(in srgb, var(--foreground) 6%, var(--secondary));
}

.form-select:focus-visible {
  border-color: var(--ring);
  box-shadow: inset 0 0 0 1px var(--ring);
}

.form-check {
  display: flex;
  min-height: 20px;
  align-items: center;
  gap: 6px;
}

.form-check-input {
  appearance: none;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  margin: 0;
  border: 1px solid var(--input);
  color: var(--primary-foreground);
  background-color: transparent;
  cursor: var(--cursor-interaction, default);
  transition:
    background-color 150ms,
    border-color 150ms,
    box-shadow 150ms;
}

.form-check:not(.form-switch) .form-check-input[type="checkbox"] {
  border-color: var(--input);
  border-radius: var(--radius-sm);
  corner-shape: var(--corner-shape);
  background-color: var(--secondary);
  box-shadow: var(--shadow-sm);
}

.form-check:not(.form-switch)
  .form-check-input:not(:disabled):not(:checked):hover {
  background-color: var(--card);
}

.form-check:not(.form-switch) .form-check-input[type="checkbox"]:checked {
  border-color: var(--primary);
  background-color: var(--primary);
}

.form-check:not(.form-switch)
  .form-check-input[type="checkbox"]:checked::before {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--primary-foreground);
  content: "";
  mask: var(--checkmark-image) center / 12px 12px no-repeat;
}

.form-check-input[type="radio"] {
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
}

.form-check-input[type="radio"]:checked {
  border: 2px solid var(--primary);
  background:
    radial-gradient(circle, var(--primary-foreground) 0 2.5px, transparent 3px),
    var(--primary);
}

.form-check:not(.form-switch) .form-check-input:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.form-check:not(.form-switch) .form-check-input:disabled {
  cursor: not-allowed;
  pointer-events: none;
}

.form-check:not(.form-switch) .form-check-input:disabled + .form-check-label {
  cursor: not-allowed;
}

.form-switch .form-check-input:disabled,
.form-switch .form-check-input:disabled + .form-check-label {
  cursor: not-allowed;
  opacity: 0.6;
}

.form-check-label {
  color: var(--foreground);
  cursor: var(--cursor-interaction, default);
}

.form-switch .form-check-input {
  position: relative;
  width: 32px;
  height: 20px;
  border: 0;
  border-radius: var(--radius-full);
  background: var(--muted);
  box-shadow: none;
  transition: background-color 200ms cubic-bezier(0, 0, 0.2, 1);
}

.form-switch .form-check-input::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border: 1px solid light-dark(var(--primary-foreground), var(--foreground));
  border-radius: var(--radius-full);
  background: light-dark(var(--primary-foreground), var(--foreground));
  box-shadow: var(--shadow-sm);
  content: "";
  transform: translate(2px, -50%);
  transition: transform 200ms cubic-bezier(0, 0, 0.2, 1);
}

.form-switch .form-check-input:checked {
  background: var(--primary);
}

.form-switch .form-check-input:checked::before {
  transform: translate(14px, -50%);
}

.form-switch .form-check-input:focus-visible {
  box-shadow: 0 0 0 2px var(--ring);
}

.form-range {
  appearance: none;
  display: block;
  width: 100%;
  height: 28px;
  flex: 1;
  margin: 0;
  padding: 0;
  outline: none;
  border: 0;
  accent-color: var(--primary);
  background: linear-gradient(
      color-mix(in srgb, var(--foreground) 7%, transparent),
      color-mix(in srgb, var(--foreground) 7%, transparent)
    )
    center / 100% 2px no-repeat;
}

.form-range::-webkit-slider-runnable-track {
  height: 28px;
  background: transparent;
}

.form-range::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: light-dark(var(--primary-foreground), var(--foreground));
}

.form-range:focus-visible::-webkit-slider-thumb {
  border-color: var(--ring);
  box-shadow: inset 0 0 0 1px var(--ring);
}

.form-range::-moz-range-track {
  height: 28px;
  background: transparent;
}

.form-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: light-dark(var(--primary-foreground), var(--foreground));
}

.form-range:focus-visible::-moz-range-thumb {
  border-color: var(--ring);
  box-shadow: inset 0 0 0 1px var(--ring);
}

.form-range:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.btn:not(.btn-primary, .viz-tile):is(
  [aria-pressed="true"],
  [aria-selected="true"],
  .is-selected
) {
  border-color: var(--primary);
  color: var(--primary-foreground);
  background: var(--primary);
}

.btn.viz-tile:is([aria-pressed="true"], [aria-selected="true"], .is-selected) {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.btn:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

@media (pointer: coarse) {
  .btn,
  .nav-link,
  .form-control,
  .form-select {
    min-width: 44px;
    min-height: 44px;
  }

  /* Keep small-screen WebKit from zooming when a text field receives focus. */
  .form-control,
  .form-select {
    font-size: max(16px, var(--font-size-normal));
  }

  .form-control[type="file"]::file-selector-button {
    min-width: 44px;
    min-height: 44px;
  }

  .form-control-color[type="color"] {
    width: 44px;
    height: 44px;
  }

  .form-control:is(
    [type="date"],
    [type="datetime-local"],
    [type="month"],
    [type="time"],
    [type="week"]
  ) {
    min-width: 0;
    max-width: 100%;
    padding-block: 8px;
  }

  .form-check {
    min-height: 44px;
    padding-inline: 15px;
  }

  .form-check-input {
    position: relative;
  }

  .form-check-input::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44px;
    height: 44px;
    content: "";
    transform: translate(-50%, -50%);
  }

  .form-check-label {
    display: inline-flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
  }

  .form-range {
    height: 44px;
    touch-action: pan-y;
  }

  .form-range::-webkit-slider-runnable-track {
    height: 44px;
  }

  .form-range::-moz-range-track {
    height: 44px;
  }

  .form-range::-webkit-slider-thumb {
    margin-top: 12px;
  }
}

svg {
  display: block;
  max-width: 100%;
  height: auto;
}

#widget > svg {
  width: 100%;
}

/* Model-authored chart rules can otherwise stretch icons after these styles load. */
svg.lucide {
  display: block;
  width: var(--icon-size) !important;
  height: var(--icon-size) !important;
  flex: none;
  margin: 0 !important;
  stroke-width: 1.6;
}

.text-warning,
.text-destructive {
  color: var(--destructive);
}

html>body{padding:0}

    #yi2c-collage-mobile {
      --yi2c-navy: light-dark(#000000, #000000);
      --yi2c-ink: light-dark(#162433, #f6f1e8);
      --yi2c-cream: light-dark(#ffffff, #18232d);
      --yi2c-paper: light-dark(#ffffff, #101922);
      --yi2c-line: light-dark(#ded6cc, #40505c);
      --yi2c-muted: light-dark(#687785, #afbbc4);
      --yi2c-green: light-dark(#2d7a5d, #66b995);
      --yi2c-soft-green: light-dark(#e9f4ee, #173c32);
      --yi2c-yellow: light-dark(#f53691, #f53691);
      color: var(--yi2c-ink);
      font-family: Arial, Helvetica, sans-serif;
      width: 100%;
    }
    #yi2c-collage-mobile * { box-sizing: border-box; }
    #yi2c-collage-mobile [hidden] { display: none !important; }
    #yi2c-collage-mobile .yi2c-phone {
      position: relative;
      width: min(100%, 390px);
      height: 760px;
      margin: 0 auto;
      overflow: hidden;
      background: var(--yi2c-paper);
      border: 1px solid var(--yi2c-line);
      color: var(--yi2c-ink);
    }
    #yi2c-collage-mobile .yi2c-screen {
      position: absolute;
      inset: 0;
      display: none;
      background: var(--yi2c-paper);
    }
    #yi2c-collage-mobile .yi2c-screen.is-active { display: flex; flex-direction: column; }
    #yi2c-collage-mobile .yi2c-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      min-height: 58px;
      padding: 8px 12px;
      border-bottom: 1px solid var(--yi2c-line);
      background: var(--yi2c-cream);
      flex: 0 0 auto;
    }
    #yi2c-collage-mobile .yi2c-home {
      width: 42px;
      height: 42px;
      padding: 0;
      border: 0;
      background: var(--yi2c-navy);
      color: #ffffff;
      font-family: Georgia, serif;
      font-size: 23px;
      font-weight: 500;
    }
    #yi2c-collage-mobile .yi2c-top-copy { min-width: 0; flex: 1; text-align: center; }
    #yi2c-collage-mobile .yi2c-top-copy strong,
    #yi2c-collage-mobile .yi2c-top-copy span { display: block; }
    #yi2c-collage-mobile .yi2c-top-copy span { color: var(--yi2c-muted); font-size: 12px; }
    #yi2c-collage-mobile .yi2c-icon-row { display: flex; gap: 2px; }
    #yi2c-collage-mobile .yi2c-icon-row .btn { padding-inline: 6px; font-size: 11px; }
    #yi2c-collage-mobile .yi2c-start {
      padding: 22px 18px 14px;
      overflow: hidden;
    }
    #yi2c-collage-mobile .yi2c-kicker {
      color: var(--yi2c-muted);
      font-size: 12px;
      letter-spacing: .12em;
      text-transform: uppercase;
      font-weight: 500;
      margin-bottom: 6px;
    }
    #yi2c-collage-mobile h1,
    #yi2c-collage-mobile h2,
    #yi2c-collage-mobile h3 { font-family: Georgia, serif; font-weight: 500; }
    #yi2c-collage-mobile h1 { margin: 0 0 8px; }
    #yi2c-collage-mobile .yi2c-intro { color: var(--yi2c-muted); margin: 0 0 22px; }
    #yi2c-collage-mobile .yi2c-preparation-guidance { margin: -14px 0 14px; color: var(--yi2c-muted); font-size: 12px; line-height: 1.45; }
    #yi2c-collage-mobile .yi2c-section-label { display: block; margin: 18px 0 8px; font-weight: 500; }
    #yi2c-collage-mobile .yi2c-choice-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
    }
    #yi2c-collage-mobile .yi2c-choice-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    #yi2c-collage-mobile .yi2c-choice {
      min-height: 58px;
      display: block;
      text-align: center;
      padding: 8px 5px;
      border: 1px solid var(--yi2c-line);
      background: var(--yi2c-paper);
      color: var(--yi2c-ink);
    }
    #yi2c-collage-mobile .yi2c-choice span { display: block; color: var(--yi2c-muted); font-size: 12px; margin-top: 2px; }
    #yi2c-collage-mobile .yi2c-choice small { display: block; color: var(--yi2c-green); font-size: 11px; margin-top: 3px; font-weight: 500; }
    #yi2c-collage-mobile .yi2c-choice b { display: block; color: var(--yi2c-ink); font-size: 13px; margin-top: 3px; font-weight: 500; }
    #yi2c-collage-mobile .yi2c-choice[aria-pressed="true"] {
      border: 2px solid var(--yi2c-navy);
      background: var(--yi2c-soft-green);
      color: var(--yi2c-navy);
    }
    #yi2c-collage-mobile .yi2c-start-action { margin: 0; }
    #yi2c-collage-mobile .yi2c-product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; margin-top: 34px; }
    #yi2c-collage-mobile .yi2c-product-grid .yi2c-choice { min-height: 112px; transition: min-height .18s ease, background .18s ease; }
    #yi2c-collage-mobile .yi2c-start.has-product .yi2c-product-grid { margin-top: 12px; }
    #yi2c-collage-mobile .yi2c-start.has-product .yi2c-product-grid .yi2c-choice { min-height: 58px; }
    #yi2c-collage-mobile .yi2c-reveal { animation: yi2c-reveal .18s ease-out; }
    @keyframes yi2c-reveal { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
    @media (max-width: 360px) {
      #yi2c-collage-mobile .yi2c-start { padding: 10px 12px; }
      #yi2c-collage-mobile .yi2c-start h1 { font-size: 27px; margin-bottom: 4px; }
      #yi2c-collage-mobile .yi2c-start .yi2c-intro { margin-bottom: 10px; }
      #yi2c-collage-mobile .yi2c-start .yi2c-section-label { margin: 10px 0 6px; }
      #yi2c-collage-mobile .yi2c-start .yi2c-choice { min-height: 49px; padding: 4px; }
      #yi2c-collage-mobile .yi2c-start .yi2c-product-grid .yi2c-choice { min-height: 92px; }
      #yi2c-collage-mobile .yi2c-start.has-product .yi2c-product-grid .yi2c-choice { min-height: 48px; }
      #yi2c-collage-mobile .yi2c-start-action { margin-top: 10px; }
    }
    #yi2c-collage-mobile .yi2c-photo-limit {
      padding: 10px 12px;
      margin: 0 0 16px;
      background: var(--yi2c-soft-green);
      color: var(--yi2c-green);
      font-size: 13px;
      text-align: center;
    }
    #yi2c-collage-mobile .yi2c-size-guidance { display: block; color: var(--yi2c-muted); font-size: 12px; margin: -3px 0 9px; }
    #yi2c-collage-mobile .yi2c-stage {
      position: relative;
      flex: 1 1 auto;
      min-height: 0;
      padding: 12px 12px 8px;
      background: var(--yi2c-cream);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }
    #yi2c-collage-mobile .yi2c-editor-selection-summary {
      flex: 0 0 auto;
      margin: 0 0 8px;
      color: var(--yi2c-muted);
      font-size: 12px;
      font-weight: 600;
      line-height: 1.2;
      text-align: center;
    }
    #yi2c-collage-mobile .yi2c-orientation-switch {
      display: flex;
      justify-content: center;
      gap: 5px;
      margin-bottom: 8px;
    }
    #yi2c-collage-mobile .yi2c-orientation-switch .yi2c-choice {
      min-height: 34px;
      width: 42px;
      padding: 3px;
    }
    #yi2c-collage-mobile .yi2c-collage {
      width: min(100%, 302px);
      aspect-ratio: 1 / 1.414;
      padding: 8px;
      position: relative;
      background: #ffffff;
      box-shadow: 0 5px 22px rgba(12,34,54,.14);
      transition: gap .2s ease, background .2s ease;
    }
    #yi2c-collage-mobile .yi2c-collage.is-landscape {
      width: min(100%, 340px);
      aspect-ratio: 1.414 / 1;
    }
    #yi2c-collage-mobile .yi2c-collage.is-square {
      width: min(100%, 318px);
      aspect-ratio: 1;
    }
    #yi2c-collage-mobile .yi2c-photo {
      position: absolute;
      overflow: hidden;
      border: 0;
      outline: 0;
      padding: 0;
      background-color: #c6d3d7;
      background-size: cover;
      background-position: center;
      box-shadow: none;
      min-width: 0;
      touch-action: none;
      cursor: grab;
    }
    #yi2c-collage-mobile .yi2c-photo:not(.is-empty) { background-color: transparent; background-image: none; }
    #yi2c-collage-mobile .yi2c-photo:focus-visible { outline: 2px solid var(--yi2c-navy); outline-offset: -2px; }
    #yi2c-collage-mobile .yi2c-photo:active { cursor: grabbing; }
    #yi2c-collage-mobile .yi2c-photo > img,
    #yi2c-collage-mobile .yi2c-thumb > img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      pointer-events: none;
      transform-origin: center;
      will-change: transform;
    }
    #yi2c-collage-mobile .yi2c-thumb { overflow: hidden; padding: 0; }
    #yi2c-collage-mobile .yi2c-photo:nth-child(1) { background-image: linear-gradient(145deg,#f3c774 0 27%,#7696a4 28% 53%,#243b4a 54%); }
    #yi2c-collage-mobile .yi2c-photo:nth-child(2) { background-image: radial-gradient(circle at 62% 38%,#f0d6b4 0 11%,transparent 12%),linear-gradient(35deg,#345f55 0 38%,#9fc0b8 39% 64%,#e6d5ae 65%); }
    #yi2c-collage-mobile .yi2c-photo:nth-child(3) { background-image: linear-gradient(170deg,#8eb7ca 0 42%,#d1aa73 43% 63%,#405b3c 64%); }
    #yi2c-collage-mobile .yi2c-photo:nth-child(4) { background-image: radial-gradient(circle at 38% 40%,#efd0ae 0 12%,transparent 13%),linear-gradient(125deg,#d89778 0 45%,#753d31 46% 67%,#354456 68%); }
    #yi2c-collage-mobile .yi2c-photo:nth-child(5) { background-image: linear-gradient(20deg,#173c55 0 34%,#db914c 35% 55%,#f4d58b 56% 72%,#83a6b0 73%); }
    #yi2c-collage-mobile .yi2c-photo-added { background-image: linear-gradient(135deg,#e1c1a8 0 34%,#648192 35% 62%,#233849 63%); }
    #yi2c-collage-mobile .yi2c-collage.layout-1 .yi2c-photo:nth-child(3) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-collage.layout-2 {
      grid-template-columns: 1.3fr .7fr;
      grid-template-rows: repeat(3, 1fr);
    }
    #yi2c-collage-mobile .yi2c-collage.layout-2 .yi2c-photo:nth-child(1) { grid-row: 1 / 3; }
    #yi2c-collage-mobile .yi2c-collage.layout-3 {
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: 1.15fr .85fr;
    }
    #yi2c-collage-mobile .yi2c-collage.layout-3 .yi2c-photo:nth-child(1) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-collage.layout-4 {
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: repeat(3, 1fr);
    }
    #yi2c-collage-mobile .yi2c-collage.layout-4:not(.has-six) .yi2c-photo:nth-child(5) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-1 {
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: repeat(3, 1fr);
    }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-1 .yi2c-photo:nth-child(3) { grid-column: auto; }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-2 {
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: repeat(2, 1fr);
    }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-2 .yi2c-photo:nth-child(1) { grid-row: auto; }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-3 {
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: 1fr .8fr 1fr;
    }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-3 .yi2c-photo:nth-child(1) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-3 .yi2c-photo:nth-child(6) { grid-column: 1 / 4; }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-4 {
      grid-template-columns: repeat(4, 1fr);
      grid-template-rows: repeat(2, 1fr);
    }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-4 .yi2c-photo:nth-child(1) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-collage.has-six.layout-4 .yi2c-photo:nth-child(6) { grid-column: 3 / 5; }
    #yi2c-collage-mobile .yi2c-photo.is-selected::after {
      content: '';
      position: absolute;
      inset: 3px;
      border: 3px solid var(--yi2c-yellow);
      box-shadow: 0 0 0 1px var(--yi2c-navy);
      pointer-events: none;
    }
    #yi2c-collage-mobile .yi2c-photo.is-swap-source::after {
      content: '';
      position: absolute;
      inset: 3px;
      border: 3px solid var(--yi2c-yellow);
      box-shadow: 0 0 0 2px var(--yi2c-navy);
      pointer-events: none;
    }
    #yi2c-collage-mobile .yi2c-photo.is-swap-target::after {
      content: '';
      position: absolute;
      inset: 4px;
      border: 2px dashed rgba(255,255,255,.9);
      box-shadow: 0 0 0 1px rgba(10,42,67,.58);
      pointer-events: none;
    }
    #yi2c-collage-mobile .yi2c-stage-status {
      width: min(100%, 302px);
      display: flex;
      justify-content: space-between;
      gap: 8px;
      margin-top: 8px;
      color: var(--yi2c-muted);
      font-size: 12px;
    }
    #yi2c-collage-mobile .yi2c-quality { position: relative; }
    #yi2c-collage-mobile .yi2c-quality-status { margin: 0; padding: 0; border: 0; background: transparent; color: var(--yi2c-green); font: inherit; font-weight: 700; }
    #yi2c-collage-mobile .yi2c-quality.is-warning .yi2c-quality-status { color: var(--yi2c-muted); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(16,27,44,.3); text-underline-offset: 3px; cursor: help; }
    #yi2c-collage-mobile .yi2c-quality-help { position: absolute; z-index: 12; right: 0; bottom: calc(100% + 7px); width: min(270px, calc(100vw - 32px)); padding: 8px 10px; border: 1px solid var(--yi2c-line); background: var(--yi2c-paper); color: var(--yi2c-navy); line-height: 1.4; text-align: left; box-shadow: 0 5px 16px rgba(12,34,54,.14); opacity: 0; pointer-events: none; transform: translateY(3px); transition: opacity .12s ease, transform .12s ease; }
    #yi2c-collage-mobile .yi2c-quality.is-warning:is(:hover,:focus-within,.is-explanation-open) .yi2c-quality-help { opacity: 1; transform: translateY(0); }
    #yi2c-collage-mobile .yi2c-photo-actions {
      position: relative;
      width: min(100%, 302px);
      display: grid;
      grid-template-columns: repeat(3,minmax(0,1fr));
      gap: 6px;
      margin-top: 7px;
    }
    #yi2c-collage-mobile .yi2c-photo-actions .btn { min-height: 36px; padding: 5px; font-size: 12px; }
    #yi2c-collage-mobile .yi2c-price-strip {
      width: min(100%, 302px);
      display: flex;
      justify-content: space-between;
      gap: 10px;
      margin-top: 6px;
      padding-top: 6px;
      border-top: 1px solid var(--yi2c-line);
      color: var(--yi2c-muted);
      font-size: 12px;
    }
    #yi2c-collage-mobile .yi2c-price-strip strong { color: var(--yi2c-ink); }
    #yi2c-collage-mobile .yi2c-tools {
      flex: 0 0 auto;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border-top: 1px solid var(--yi2c-line);
      background: var(--yi2c-paper);
    }
    #yi2c-collage-mobile .yi2c-tool {
      min-height: 58px;
      border: 0;
      border-right: 1px solid var(--yi2c-line);
      background: var(--yi2c-paper);
      color: var(--yi2c-ink);
      padding: 6px 2px;
      font-size: 11px;
    }
    #yi2c-collage-mobile .yi2c-tool:last-child { border-right: 0; }
    #yi2c-collage-mobile .yi2c-tool i { display: block; margin: 0 auto 4px; }
    #yi2c-collage-mobile .yi2c-finish-bar {
      flex: 0 0 auto;
      padding: 8px 12px 12px;
      background: var(--yi2c-paper);
      border-top: 1px solid var(--yi2c-line);
    }
    #yi2c-collage-mobile .yi2c-finish-status { margin: 0 0 5px; color: var(--yi2c-muted); font-size: 10px; line-height: 1.3; text-align: center; }
    #yi2c-collage-mobile .yi2c-finish-status:empty { display: none; }
    #yi2c-collage-mobile .yi2c-draft-status { margin: 0 0 5px; color: var(--yi2c-muted); font-size: 10px; line-height: 1.3; text-align: center; }
    #yi2c-collage-mobile .yi2c-draft-status:empty { display: none; }
    #yi2c-collage-mobile .yi2c-clear-draft { display: block; margin: 14px auto 2px; padding: 7px 10px; border: 0; background: transparent; color: var(--yi2c-muted); font: inherit; font-size: 12px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
    #yi2c-collage-mobile .yi2c-draft-prompt { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: calc(20px + env(safe-area-inset-top)) 20px calc(20px + env(safe-area-inset-bottom)); background: rgba(16,27,44,.48); }
    #yi2c-collage-mobile .yi2c-draft-prompt[hidden] { display: none; }
    #yi2c-collage-mobile .yi2c-draft-card { box-sizing: border-box; width: min(100%,440px); padding: 28px; border: 1px solid rgba(16,27,44,.18); background: #ffffff; color: #000000; box-shadow: 0 18px 60px rgba(16,27,44,.2); }
    #yi2c-collage-mobile .yi2c-draft-card h2 { margin: 7px 0 8px; font-size: 24px; line-height: 1.15; }
    #yi2c-collage-mobile .yi2c-draft-card p { margin: 0; color: var(--yi2c-muted); line-height: 1.5; }
    #yi2c-collage-mobile .yi2c-draft-card .yi2c-draft-error { margin-top: 12px; color: #7a4a2a; }
    #yi2c-collage-mobile .yi2c-draft-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
    @media (max-width: 620px) { #yi2c-collage-mobile .yi2c-draft-card { padding: 23px 20px; } #yi2c-collage-mobile .yi2c-draft-actions { grid-template-columns: 1fr; } }
    #yi2c-collage-mobile .yi2c-sheet {
      position: absolute;
      z-index: 8;
      left: 0;
      right: 0;
      bottom: 0;
      display: none;
      max-height: 56%;
      background: var(--yi2c-paper);
      border-top: 1px solid var(--yi2c-line);
      box-shadow: 0 -10px 35px rgba(12,34,54,.18);
    }
    #yi2c-collage-mobile .yi2c-sheet.is-open { display: flex; flex-direction: column; }
    #yi2c-collage-mobile .yi2c-sheet-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 54px;
      padding: 7px 12px;
      border-bottom: 1px solid var(--yi2c-line);
      background: var(--yi2c-cream);
    }
    #yi2c-collage-mobile .yi2c-sheet-head strong { font-size: 16px; }
    #yi2c-collage-mobile .yi2c-sheet-body { padding: 14px 12px 18px; overflow-y: auto; }
    #yi2c-collage-mobile .yi2c-sheet[data-sheet="adjust"] {
      position: fixed;
      z-index: 80;
      inset: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom));
      width: min(920px, calc(100vw - 24px));
      height: auto;
      max-height: none;
      margin: 0 auto;
      border: 1px solid var(--yi2c-line);
      box-shadow: 0 18px 60px rgba(12,34,54,.28);
    }
    #yi2c-collage-mobile .yi2c-sheet[data-sheet="adjust"] .yi2c-sheet-body { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; }
    #yi2c-collage-mobile .yi2c-adjust-stage { flex: 1 1 auto; min-height: 0; display: grid; place-items: center; margin-bottom: 16px; padding: 12px; background: var(--yi2c-cream); overflow: hidden; }
    #yi2c-collage-mobile .yi2c-adjust-viewport { position: relative; width: min(100%, 680px); max-height: 100%; overflow: hidden; background: var(--yi2c-navy); touch-action: none; user-select: none; cursor: grab; }
    #yi2c-collage-mobile .yi2c-adjust-viewport::after { content: ''; position: absolute; z-index: 20; inset: 0; box-shadow: inset 0 0 0 1px rgba(16,27,44,.58); pointer-events: none; }
    #yi2c-collage-mobile .yi2c-adjust-viewport:active { cursor: grabbing; }
    #yi2c-collage-mobile .yi2c-adjust-layer,
    #yi2c-collage-mobile .yi2c-adjust-cell { position: absolute; overflow: hidden; }
    #yi2c-collage-mobile .yi2c-adjust-layer.is-heart-template { clip-path: url(#yi2c-heart-clip); }
    #yi2c-collage-mobile .yi2c-adjust-cell img { display: block; max-width: none; pointer-events: none; }
    #yi2c-collage-mobile .yi2c-sheet[data-sheet="adjust"] .viz-row { justify-content: center; }
    #yi2c-collage-mobile .yi2c-sheet[data-sheet="adjust"] [data-zoom-out],
    #yi2c-collage-mobile .yi2c-sheet[data-sheet="adjust"] [data-zoom-in] { min-width: 48px; }
    #yi2c-collage-mobile .yi2c-thumb-grid,
    #yi2c-collage-mobile .yi2c-layout-grid,
    #yi2c-collage-mobile .yi2c-swatch-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
    #yi2c-collage-mobile .yi2c-thumb { aspect-ratio: 1; border: 2px solid transparent; background-size: cover; }
    #yi2c-collage-mobile .yi2c-thumb.is-selected { border-color: var(--yi2c-yellow); }
    #yi2c-collage-mobile .yi2c-thumb.is-empty,
    #yi2c-collage-mobile .yi2c-photo-layer .yi2c-photo.is-empty { background: #ddf3fc !important; color: #000000; }
    #yi2c-collage-mobile .yi2c-thumb .yi2c-position-number,
    #yi2c-collage-mobile .yi2c-photo-layer .yi2c-position-number { font: 600 clamp(12px,3vw,18px)/1 var(--yi2c-sans); }
    #yi2c-collage-mobile .yi2c-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
    #yi2c-collage-mobile .yi2c-thumb { position: relative; }
    #yi2c-collage-mobile .yi2c-thumb .yi2c-position-number { z-index: 2; left: 6px; top: 6px; min-width: 20px; padding: 3px 5px; border: 1px solid rgba(16,27,44,.18); background: rgba(247,244,237,.88); color: #000000; font-size: 10px; line-height: 1; text-align: center; transform: none; pointer-events: none; }
    #yi2c-collage-mobile .yi2c-thumb.is-empty .yi2c-position-number { background: #f3f3f3; }
    #yi2c-collage-mobile .yi2c-thumb-plus { position: absolute; left: 50%; top: 50%; color: #000000; font: 400 28px/1 var(--yi2c-sans); transform: translate(-50%,-50%); pointer-events: none; }
    #yi2c-collage-mobile .yi2c-thumb:nth-child(1) { background: linear-gradient(145deg,#f3c774,#243b4a); }
    #yi2c-collage-mobile .yi2c-thumb:nth-child(2) { background: linear-gradient(35deg,#345f55,#e6d5ae); }
    #yi2c-collage-mobile .yi2c-thumb:nth-child(3) { background: linear-gradient(170deg,#8eb7ca,#405b3c); }
    #yi2c-collage-mobile .yi2c-thumb:nth-child(4) { background: linear-gradient(125deg,#d89778,#354456); }
    #yi2c-collage-mobile .yi2c-layout {
      position: relative;
      aspect-ratio: .78;
      padding: 5px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3px;
      border: 1px solid var(--yi2c-line);
      background: var(--yi2c-cream);
    }
    #yi2c-collage-mobile .yi2c-layout.is-landscape-thumb { aspect-ratio: 1.414; }
    #yi2c-collage-mobile .yi2c-layout.is-square-thumb { aspect-ratio: 1; }
    #yi2c-collage-mobile .yi2c-layout span { position: absolute; background: var(--yi2c-muted); opacity: .45; }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-1"] { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr .78fr 1fr; }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-1"] span:nth-child(3) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-2"] { grid-template-columns: 1.3fr .7fr !important; grid-template-rows: repeat(3, 1fr); }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-2"] span:nth-child(1) { grid-row: 1 / 3; }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-3"] { grid-template-columns: repeat(3, 1fr); grid-template-rows: 1.15fr .85fr !important; }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-3"] span:nth-child(1) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-4"] { grid-template-columns: repeat(2, 1fr) !important; grid-template-rows: repeat(3, 1fr); }
    #yi2c-collage-mobile .yi2c-layout[data-layout="layout-4"] span:nth-child(5) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-1"] { grid-template-columns: repeat(2,1fr); grid-template-rows: repeat(3,1fr); }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-1"] span:nth-child(3) { grid-column: auto; }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-2"] { grid-template-columns: repeat(3,1fr) !important; grid-template-rows: repeat(2,1fr); }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-2"] span:nth-child(1) { grid-row: auto; }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-3"] { grid-template-columns: repeat(3,1fr); grid-template-rows: 1fr .8fr 1fr !important; }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-3"] span:nth-child(6) { grid-column: 1 / 4; }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-4"] { grid-template-columns: repeat(4,1fr) !important; grid-template-rows: repeat(2,1fr); }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-4"] span:nth-child(1) { grid-column: 1 / 3; }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-4"] span:nth-child(5) { grid-column: auto; }
    #yi2c-collage-mobile .yi2c-layout.has-six[data-layout="layout-4"] span:nth-child(6) { grid-column: 3 / 5; }
    #yi2c-collage-mobile .yi2c-layout[aria-pressed="true"] { border: 2px solid var(--yi2c-navy); }
    #yi2c-collage-mobile .yi2c-swatch {
      min-width: 0;
      min-height: 56px;
      display: grid;
      grid-template-rows: 24px auto;
      align-content: center;
      gap: 4px;
      border: 1px solid var(--yi2c-line);
      padding: 4px;
      color: var(--yi2c-ink);
      background: var(--yi2c-paper);
      font-size: 11px;
      line-height: 1.1;
      white-space: nowrap;
      position: relative;
    }
    #yi2c-collage-mobile .yi2c-swatch-colour { display: block; width: 100%; height: 24px; background: var(--swatch); border: 1px solid rgba(12,34,54,.15); }
    #yi2c-collage-mobile .yi2c-swatch[aria-pressed="true"] { border: 2px solid var(--yi2c-navy); }
    #yi2c-collage-mobile .yi2c-custom-swatch:focus-within { outline: 2px solid var(--yi2c-navy); outline-offset: 2px; }
    #yi2c-collage-mobile .yi2c-custom-swatch input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; padding: 0; border: 0; opacity: 0; cursor: pointer; }
    #yi2c-collage-mobile .yi2c-finish-content { padding: 10px 12px 12px; overflow: hidden; }
    #yi2c-collage-mobile .yi2c-finish-content h2 { margin: 2px 0 7px; font-size: 21px; }
    #yi2c-collage-mobile .yi2c-finish-content > p { color: var(--yi2c-muted); margin: 0 0 16px; }
    #yi2c-collage-mobile .yi2c-route-list { display: grid; gap: 10px; }
    #yi2c-collage-mobile .yi2c-route {
      width: 100%;
      display: grid;
      grid-template-columns: 42px 1fr auto;
      align-items: center;
      gap: 10px;
      min-height: 74px;
      padding: 10px 12px;
      text-align: left;
      border: 1px solid var(--yi2c-line);
      background: var(--yi2c-paper);
      color: var(--yi2c-ink);
    }
    #yi2c-collage-mobile .yi2c-route strong,
    #yi2c-collage-mobile .yi2c-route span { display: block; }
    #yi2c-collage-mobile .yi2c-route span { color: var(--yi2c-muted); font-size: 12px; margin-top: 3px; }
    #yi2c-collage-mobile .yi2c-route > strong { text-align: right; white-space: nowrap; }
    #yi2c-collage-mobile .yi2c-route > strong span { display: inline; color: inherit; font-size: inherit; margin: 0; }
    #yi2c-collage-mobile .yi2c-route-panel { display: none; margin-top: 14px; }
    #yi2c-collage-mobile .yi2c-route-panel.is-open { display: block; }
    #yi2c-collage-mobile .yi2c-config-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; }
    #yi2c-collage-mobile .yi2c-frame-colours { display: none; margin-top: 10px; }
    #yi2c-collage-mobile .yi2c-frame-colours.is-open { display: block; }
    #yi2c-collage-mobile .yi2c-order-action { margin-top: 16px; }
    #yi2c-collage-mobile .yi2c-note { margin-top: 12px; padding: 10px; background: var(--yi2c-cream); color: var(--yi2c-muted); font-size: 12px; }
    #yi2c-collage-mobile .yi2c-hanging-choice { display: flex; align-items: center; gap: 8px; }
    #yi2c-collage-mobile .yi2c-hanging-choice strong { color: var(--yi2c-ink); font-weight: 600; }
    #yi2c-collage-mobile .yi2c-local-review-status { min-height: 18px; margin: 6px 0 0; color: var(--yi2c-muted); text-align: center; }
    #yi2c-collage-mobile .yi2c-back { margin: 8px 0 4px; }
    #yi2c-collage-mobile .yi2c-canvas-stage {
      min-height: 245px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 16px;
      background: var(--yi2c-cream);
      border-bottom: 1px solid var(--yi2c-line);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock {
      --yi2c-frame-colour: #162433;
      position: relative;
      width: min(76%, 245px);
      box-sizing: border-box;
      filter: drop-shadow(7px 9px 7px rgba(12,34,54,.24));
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-landscape { width: min(88%, 298px); }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-square { width: min(70%, 220px); }
    #yi2c-collage-mobile .yi2c-canvas-gap { position: absolute; inset: 0; }
    #yi2c-collage-mobile .yi2c-canvas-front { position: absolute; overflow: hidden; }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-digital,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-poster { aspect-ratio: var(--yi2c-face-aspect, 1 / 1.414); }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-digital { background: transparent; filter: none; }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-poster { background: var(--yi2c-paper); outline: 5px solid var(--yi2c-paper); filter: drop-shadow(3px 5px 7px rgba(12,34,54,.18)); }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-digital .yi2c-canvas-front,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-poster .yi2c-canvas-front { inset: 0; }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky {
      aspect-ratio: var(--yi2c-outer-aspect, 1 / 1.414);
      background: #f0efec;
      filter: none;
      box-shadow: none;
      outline: 1px solid rgba(24,35,48,.18);
    }
    #yi2c-collage-mobile .yi2c-canvas-edge { display: none; }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim .yi2c-canvas-edge,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky .yi2c-canvas-edge {
      display: block;
      position: absolute;
      background: var(--yi2c-canvas-edge);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim .yi2c-canvas-edge--top,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky .yi2c-canvas-edge--top {
      left: var(--yi2c-face-left);
      top: 0;
      width: var(--yi2c-face-width);
      height: var(--yi2c-face-top);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim .yi2c-canvas-edge--right,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky .yi2c-canvas-edge--right {
      right: 0;
      top: var(--yi2c-face-top);
      width: var(--yi2c-face-left);
      height: var(--yi2c-face-height);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim .yi2c-canvas-edge--bottom,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky .yi2c-canvas-edge--bottom {
      left: var(--yi2c-face-left);
      bottom: 0;
      width: var(--yi2c-face-width);
      height: var(--yi2c-face-top);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim .yi2c-canvas-edge--left,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky .yi2c-canvas-edge--left {
      left: 0;
      top: var(--yi2c-face-top);
      width: var(--yi2c-face-left);
      height: var(--yi2c-face-height);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim .yi2c-canvas-front,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky .yi2c-canvas-front {
      left: var(--yi2c-face-left);
      top: var(--yi2c-face-top);
      width: var(--yi2c-face-width);
      height: var(--yi2c-face-height);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-slim .yi2c-canvas-front::after,
    #yi2c-collage-mobile .yi2c-canvas-mock.is-chunky .yi2c-canvas-front::after {
      content: '';
      position: absolute;
      z-index: 3;
      inset: 0;
      box-sizing: border-box;
      border: 1px dashed var(--yi2c-fold-guide, rgba(86,90,94,.42));
      pointer-events: none;
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-floating {
      aspect-ratio: auto;
      padding: 10px;
      background: var(--yi2c-frame-colour);
      filter: drop-shadow(6px 8px 7px rgba(12,34,54,.25));
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-floating .yi2c-canvas-gap {
      position: relative;
      inset: auto;
      padding: 5px;
      background: #202936;
      box-shadow: inset 0 0 5px rgba(0,0,0,.55);
    }
    #yi2c-collage-mobile .yi2c-canvas-mock.is-floating .yi2c-canvas-front {
      position: relative;
      width: 100%;
      aspect-ratio: var(--yi2c-face-aspect);
    }
    #yi2c-collage-mobile .yi2c-locked-face {
      display: block;
      width: 100%;
      height: 100%;
      max-width: none;
      object-fit: contain;
    }
    #yi2c-collage-mobile .yi2c-canvas-guide-copy {
      max-width: 290px;
      margin: 0;
      color: var(--yi2c-muted);
      font-size: 11px;
      line-height: 1.3;
      text-align: center;
    }
    #yi2c-collage-mobile .yi2c-canvas-front .yi2c-collage { width: 100%; height: 100%; max-width: none; box-shadow: none; }
    #yi2c-collage-mobile .yi2c-canvas-front .yi2c-photo { pointer-events: none; }
    #yi2c-collage-mobile .yi2c-canvas-front button:disabled { opacity: 1; }
    #yi2c-collage-mobile .yi2c-canvas-front .yi2c-photo.is-selected::after { display: none; }
    #yi2c-collage-mobile .yi2c-canvas-config { flex: 1 1 auto; min-height: 0; }
    #yi2c-collage-mobile .yi2c-canvas-config .yi2c-route-panel { margin-top: 0; }
    #yi2c-collage-mobile .yi2c-canvas-config .yi2c-choice { min-height: 49px; }
    #yi2c-collage-mobile .yi2c-frame-choice-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 6px; }
    #yi2c-collage-mobile .yi2c-frame-choice-grid .yi2c-choice { font-size: 11px; }
    #yi2c-collage-mobile .yi2c-canvas-config .yi2c-section-label { margin: 8px 0 5px; }
    #yi2c-collage-mobile .yi2c-canvas-config .form-check { margin-top: 7px !important; }
    #yi2c-collage-mobile .yi2c-canvas-config .yi2c-back { min-height: 38px; margin: 2px 0; }
    #yi2c-collage-mobile .yi2c-canvas-config .yi2c-note { margin-top: 3px; padding: 5px 8px; }
    #yi2c-collage-mobile .yi2c-canvas-config .yi2c-order-action { margin-top: 7px; }
    #yi2c-collage-mobile .yi2c-review-panel h2,
    #yi2c-collage-mobile .yi2c-success-panel h2 { margin: 1px 0 6px; }
    #yi2c-collage-mobile .yi2c-review-summary { color: var(--yi2c-muted); margin: 0 0 10px; }
    #yi2c-collage-mobile .yi2c-price-detail { min-height: 17px; margin: -5px 0 8px; color: var(--yi2c-muted); }
    #yi2c-collage-mobile .yi2c-promo-line {
      margin: 8px 0;
      padding: 7px 9px;
      text-align: center;
      color: var(--yi2c-green);
      background: var(--yi2c-soft-green);
      font-size: 12px;
      font-weight: 500;
    }
    #yi2c-collage-mobile .yi2c-upgrade {
      width: 100%;
      margin-top: 9px;
      padding: 10px 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      text-align: left;
      border: 1px solid var(--yi2c-line);
      background: var(--yi2c-cream);
      color: var(--yi2c-ink);
    }
    #yi2c-collage-mobile .yi2c-upgrade span { display: block; color: var(--yi2c-muted); font-size: 12px; margin-top: 2px; }
    #yi2c-collage-mobile .yi2c-success-panel { text-align: center; padding-top: 10px; }
    #yi2c-collage-mobile .yi2c-success-actions { display: grid; gap: 8px; margin-top: 14px; }

    /* Template-first catalogue and selected-design journey. */
    #yi2c-collage-mobile .yi2c-phone {
      width: min(100%, 420px);
      height: min(844px, 100dvh);
      min-height: min(568px, 100dvh);
    }
    #yi2c-collage-mobile .yi2c-gallery-view {
      flex: 1 1 auto;
      min-height: 0;
      overflow-y: auto;
      padding: 18px 16px calc(24px + env(safe-area-inset-bottom));
      overscroll-behavior: contain;
    }
    #yi2c-collage-mobile .yi2c-selected-view {
      display: flex;
      flex: 1 1 auto;
      min-height: 0;
      flex-direction: column;
      overflow: hidden;
    }
    #yi2c-collage-mobile .yi2c-selected-scroll {
      flex: 1 1 auto;
      min-height: 0;
      overflow-y: auto;
      overflow-x: hidden;
      padding: 10px 16px 8px;
      overscroll-behavior: contain;
    }
    #yi2c-collage-mobile .yi2c-selected-action {
      position: relative;
      z-index: 2;
      flex: 0 0 auto;
      padding: 8px 16px max(10px, env(safe-area-inset-bottom));
      border-top: 1px solid var(--yi2c-line);
      background: var(--yi2c-paper);
      box-shadow: 0 -8px 18px rgba(16,27,44,.06);
    }
    #yi2c-collage-mobile .yi2c-gallery-view h1,
    #yi2c-collage-mobile .yi2c-selected-view h1 { margin: 4px 0 5px; }
    #yi2c-collage-mobile .yi2c-count-label { display: block; margin: 17px 0 6px; font-size: 12px; font-weight: 700; }
    #yi2c-collage-mobile .yi2c-template-gallery {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 14px;
    }
    #yi2c-collage-mobile .yi2c-template-card {
      min-width: 0;
      padding: 9px;
      border: 1px solid var(--yi2c-line);
      background: var(--yi2c-paper);
      color: var(--yi2c-ink);
      text-align: left;
    }
    #yi2c-collage-mobile .yi2c-template-card:hover,
    #yi2c-collage-mobile .yi2c-template-card:focus-visible { border-color: var(--yi2c-navy); }
    #yi2c-collage-mobile .yi2c-template-card strong,
    #yi2c-collage-mobile .yi2c-template-card > span { display: block; }
    #yi2c-collage-mobile .yi2c-template-card strong { margin-top: 8px; font-family: var(--yi2c-serif); font-size: 16px; line-height: 1.1; }
    #yi2c-collage-mobile .yi2c-template-card > span { margin-top: 3px; color: var(--yi2c-muted); font-size: 11px; }
    #yi2c-collage-mobile .yi2c-template-preview {
      position: relative;
      width: 100%;
      aspect-ratio: .78;
      overflow: hidden;
      background: var(--yi2c-cream);
      border: 1px solid rgba(12,34,54,.12);
    }
    #yi2c-collage-mobile .yi2c-template-preview.is-landscape { aspect-ratio: 1.414; }
    #yi2c-collage-mobile .yi2c-template-preview.is-square { aspect-ratio: 1; }
    #yi2c-collage-mobile .yi2c-template-cells { position: absolute; inset: 0; overflow: hidden; }
    #yi2c-collage-mobile .yi2c-template-cells.is-heart-template { clip-path: url(#yi2c-heart-clip); }
    #yi2c-collage-mobile .yi2c-template-slot {
      position: absolute;
      display: grid;
      place-items: center;
      overflow: hidden;
      background: #ddf3fc;
      border: 1px solid #ffffff;
      box-sizing: border-box;
      color: #000000;
      font: 600 clamp(8px, 1.9vw, 11px)/1 var(--yi2c-sans);
      margin: 0;
      padding: 0;
    }
    #yi2c-collage-mobile .yi2c-position-number { position: absolute; left: var(--yi2c-label-x,50%); top: var(--yi2c-label-y,50%); color: inherit; font: inherit; transform: translate(-50%,-50%); }
    #yi2c-collage-mobile .yi2c-selected-preview { width: min(42%, 156px); margin: 0 auto 7px; }
    #yi2c-collage-mobile .yi2c-selected-preview .yi2c-template-slot { font-size: clamp(11px, 3vw, 16px); }
    #yi2c-collage-mobile .yi2c-selected-preview button.yi2c-template-slot { cursor: pointer; }
    #yi2c-collage-mobile .yi2c-selected-preview button.yi2c-template-slot:focus-visible { outline: 2px solid #000000; outline-offset: -3px; }
    #yi2c-collage-mobile .yi2c-template-cells.is-heart-template > .yi2c-template-slot:nth-child(1) { --yi2c-label-x:72%; --yi2c-label-y:70%; }
    #yi2c-collage-mobile .yi2c-template-cells.is-heart-template > .yi2c-template-slot:nth-child(4) { --yi2c-label-x:28%; --yi2c-label-y:70%; }
    #yi2c-collage-mobile .yi2c-template-cells.is-heart-template > .yi2c-template-slot:nth-child(5) { --yi2c-label-x:72%; }
    #yi2c-collage-mobile .yi2c-template-cells.is-heart-template > .yi2c-template-slot:nth-child(8) { --yi2c-label-x:28%; }
    #yi2c-collage-mobile .yi2c-template-cells.is-heart-template > .yi2c-template-slot:nth-child(9) { --yi2c-label-x:70%; --yi2c-label-y:22%; }
    #yi2c-collage-mobile .yi2c-template-cells.is-heart-template > .yi2c-template-slot:nth-child(10) { --yi2c-label-x:30%; --yi2c-label-y:22%; }
    #yi2c-collage-mobile .yi2c-upload-help { margin: 12px 0 7px; color: var(--yi2c-muted); font-size: 12px; line-height: 1.4; }
    #yi2c-collage-mobile .yi2c-selected-view .yi2c-intro { margin-bottom: 10px; }
    #yi2c-collage-mobile .yi2c-selected-view .yi2c-preparation-guidance { margin: -5px 0 8px; line-height: 1.3; }
    #yi2c-collage-mobile .yi2c-selected-view .yi2c-product-grid { margin-top: 5px; }
    #yi2c-collage-mobile .yi2c-selected-view .yi2c-section-label { margin-top: 8px; }
    #yi2c-collage-mobile .yi2c-selected-view .yi2c-choice { min-height: 48px; padding: 5px 4px; }
    #yi2c-collage-mobile .yi2c-selected-view .yi2c-choice-grid { gap: 6px; }
    #yi2c-collage-mobile [data-shape-options][hidden] { display: block; }
    #yi2c-collage-mobile .yi2c-selected-view .yi2c-reveal { padding-bottom: 0; }
    #yi2c-collage-mobile .yi2c-start-action { margin: 0; }
    #yi2c-collage-mobile .yi2c-add-progress { margin: 11px 0 0; color: var(--yi2c-muted); font-size: 12px; }
    #yi2c-collage-mobile .yi2c-photo-layer { position: absolute; inset: 0; overflow: hidden; }
    #yi2c-collage-mobile .yi2c-photo-layer.is-heart-template { clip-path: url(#yi2c-heart-clip); }
    #yi2c-collage-mobile .yi2c-photo-layer .yi2c-photo { position: absolute; margin: 0; overflow: hidden; border: 0; padding: 0; }
    #yi2c-collage-mobile .yi2c-photo-layer .yi2c-photo img { width: 100%; height: 100%; object-fit: cover; }
    #yi2c-collage-mobile .yi2c-orientation-switch .yi2c-choice[hidden] { display: none; }
    #yi2c-collage-mobile .yi2c-editor.is-heart-template .yi2c-orientation-switch { display: none; }
    @media (max-width: 360px) {
      #yi2c-collage-mobile .yi2c-phone { height: 100dvh; }
      #yi2c-collage-mobile .yi2c-collage { width: min(100%, 254px); }
      #yi2c-collage-mobile .yi2c-stage-status { width: min(100%, 254px); }
      #yi2c-collage-mobile .yi2c-photo-actions { width: min(100%, 254px); }
      #yi2c-collage-mobile .yi2c-tool { font-size: 10px; }
      #yi2c-collage-mobile .yi2c-canvas-stage { min-height: 215px; padding: 8px 14px; }
      #yi2c-collage-mobile .yi2c-canvas-config .yi2c-choice { min-height: 44px; }
    }
    @media (max-width: 620px) {
      #yi2c-collage-mobile .yi2c-sheet[data-sheet="adjust"] { inset: 0; width: 100%; border: 0; }
      #yi2c-collage-mobile .yi2c-sheet[data-sheet="adjust"] .yi2c-sheet-body { padding-bottom: max(18px, env(safe-area-inset-bottom)); }
      #yi2c-collage-mobile .yi2c-adjust-stage { padding: 8px; }
    }

    #yi2c-collage-mobile .yi2c-thumb {
      box-sizing: border-box;
      border: 1px solid rgba(16,27,44,.24);
      background: #ddf3fc;
      box-shadow: none;
    }
    #yi2c-collage-mobile .yi2c-thumb:focus-visible { outline: 2px solid #000000; outline-offset: 2px; }
    #yi2c-collage-mobile .yi2c-thumb.is-selected,
    #yi2c-collage-mobile .yi2c-thumb.is-swap-source { border-color: #000000; box-shadow: inset 0 0 0 2px var(--yi2c-yellow); }
    #yi2c-collage-mobile .yi2c-thumb.is-swap-target { border-color: #000000; box-shadow: inset 0 0 0 1px rgba(16,27,44,.65); }

    #yi2c-collage-mobile .yi2c-photo-actions,
    #yi2c-collage-mobile .yi2c-photo-actions-context { grid-template-columns: repeat(3,minmax(0,1fr)); align-items: stretch; }
    #yi2c-collage-mobile .yi2c-photo-actions .btn { width: 100%; min-width: 0; height: 38px; white-space: nowrap; }
    #yi2c-collage-mobile .yi2c-photos-context { margin: 10px 0 12px; }
    #yi2c-collage-mobile .yi2c-photos-context[hidden] { display: none; }
    #yi2c-collage-mobile .yi2c-photo-actions-context { width: 100%; margin: 0; grid-template-columns: repeat(4,minmax(0,1fr)); }
    #yi2c-collage-mobile .yi2c-photo-actions-context .btn { font-size: 10.5px; }
    #yi2c-collage-mobile .yi2c-remove-action { border-color: rgba(16,27,44,.32); background: transparent; color: var(--yi2c-navy); }
    #yi2c-collage-mobile .yi2c-remove-action:is(:hover,:focus-visible) { border-color: var(--yi2c-navy); background: var(--yi2c-cream); }
    #yi2c-collage-mobile .yi2c-photos-action-feedback { min-height: 0; margin: 7px 0 0; color: var(--yi2c-muted); }
    #yi2c-collage-mobile .yi2c-photos-action-feedback:empty { display: none; }

    #yi2c-collage-mobile .yi2c-help-toggle { width: 30px; min-width: 30px; height: 30px; padding: 0; border: 1px solid rgba(16,27,44,.28); font-weight: 700; }
    #yi2c-collage-mobile .yi2c-help-panel {
      position: fixed;
      z-index: 95;
      top: max(12px,env(safe-area-inset-top));
      right: 12px;
      width: min(360px,calc(100vw - 24px));
      max-height: calc(100dvh - 24px - env(safe-area-inset-top));
      overflow-y: auto;
      padding: 15px;
      border: 1px solid var(--yi2c-line);
      background: var(--yi2c-paper);
      color: var(--yi2c-navy);
      box-shadow: 0 12px 34px rgba(12,34,54,.22);
    }
    #yi2c-collage-mobile .yi2c-help-panel[hidden] { display: none; }
    #yi2c-collage-mobile .yi2c-help-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    #yi2c-collage-mobile .yi2c-help-head h2 { margin: 0; font: 600 22px/1.1 var(--yi2c-serif); }
    #yi2c-collage-mobile .yi2c-tips-switch { width: 100%; display: flex; align-items: center; justify-content: space-between; margin: 14px 0; padding: 10px 12px; border: 1px solid var(--yi2c-line); background: var(--yi2c-cream); color: var(--yi2c-navy); text-align: left; }
    #yi2c-collage-mobile .yi2c-tips-switch strong { min-width: 34px; text-align: right; }
    #yi2c-collage-mobile .yi2c-help-guides { display: grid; gap: 10px; margin: 0; }
    #yi2c-collage-mobile .yi2c-help-guides div { padding-top: 10px; border-top: 1px solid var(--yi2c-line); }
    #yi2c-collage-mobile .yi2c-help-guides dt { font-weight: 700; }
    #yi2c-collage-mobile .yi2c-help-guides dd { margin: 3px 0 0; color: var(--yi2c-muted); line-height: 1.45; }
    #yi2c-collage-mobile .yi2c-tips-toast { position: fixed; z-index: 90; top: max(68px,calc(env(safe-area-inset-top) + 56px)); left: 50%; width: min(350px,calc(100vw - 24px)); padding: 9px 42px 9px 11px; border: 1px solid var(--yi2c-line); background: var(--yi2c-paper); color: var(--yi2c-navy); box-shadow: 0 8px 22px rgba(12,34,54,.16); transform: translateX(-50%); font-size: 12px; }
    #yi2c-collage-mobile .yi2c-tips-toast[hidden] { display: none; }
    #yi2c-collage-mobile .yi2c-tips-toast button { position: absolute; right: 4px; top: 50%; width: 32px; height: 32px; border: 0; background: transparent; color: var(--yi2c-navy); transform: translateY(-50%); font-size: 20px; }
    #yi2c-collage-mobile .yi2c-action-tip { position: fixed; z-index: 96; width: min(280px,calc(100vw - 16px)); padding: 8px 10px; border: 1px solid var(--yi2c-line); background: var(--yi2c-navy); color: var(--yi2c-paper); box-shadow: 0 5px 16px rgba(12,34,54,.18); font-size: 11px; line-height: 1.4; pointer-events: none; }
    #yi2c-collage-mobile .yi2c-action-tip[hidden] { display: none; }

    @media (max-width: 390px) {
      #yi2c-collage-mobile .yi2c-icon-row .btn { padding-inline: 4px; }
      #yi2c-collage-mobile .yi2c-photo-actions .btn { font-size: 11px; }
    }

    /* Wide Collage Creator presentation. The mobile DOM, state and commands stay authoritative. */
    #yi2c-collage-mobile .yi2c-desktop-only { display: none !important; }
    #yi2c-collage-mobile .yi2c-tool svg { display: none; }

    @media (min-width: 900px) {
      #yi2c-collage-mobile {
        min-height: 100vh;
        background: var(--yi2c-cream);
      }
      #yi2c-collage-mobile .yi2c-phone {
        width: 100%;
        max-width: none;
        height: 100vh;
        min-height: 720px;
        margin: 0;
        border: 0;
        background: var(--yi2c-cream);
      }
      #yi2c-collage-mobile .yi2c-desktop-only { display: block !important; }
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"].is-active {
        display: grid;
        grid-template-columns: 76px 304px minmax(480px, 1fr) 360px;
        grid-template-rows: 72px minmax(0, 1fr);
        min-width: 1180px;
        background: var(--yi2c-cream);
      }
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar {
        grid-column: 1 / -1;
        grid-row: 1;
        min-height: 72px;
        padding: 10px 20px;
        border-color: rgba(16,27,44,.16);
        background: var(--yi2c-navy);
        color: #ffffff;
      }
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-home {
        border: 1px solid rgba(255,255,255,.34);
        background: transparent;
      }
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy,
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy strong,
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy span {
        color: #ffffff;
      }
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy {
        max-width: 430px;
        text-align: left;
      }
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar button.yi2c-top-copy {
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
      }
      #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .btn {
        border-color: rgba(255,255,255,.28);
        color: #ffffff;
      }
      #yi2c-collage-mobile .yi2c-tools {
        grid-column: 1;
        grid-row: 2;
        display: flex;
        flex-direction: column;
        border: 0;
        border-right: 1px solid rgba(16,27,44,.16);
        background: var(--yi2c-navy);
      }
      #yi2c-collage-mobile .yi2c-tool,
      #yi2c-collage-mobile .yi2c-tool.yi2c-desktop-only {
        display: flex !important;
        min-height: 76px;
        flex: 0 0 76px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 7px;
        padding: 8px 4px;
        border: 0;
        border-bottom: 1px solid rgba(255,255,255,.14);
        background: transparent;
        color: rgba(255,255,255,.78);
        font-size: 11px;
        letter-spacing: .02em;
      }
      #yi2c-collage-mobile .yi2c-tool:is(:hover,:focus-visible),
      #yi2c-collage-mobile .yi2c-tool[aria-pressed="true"] {
        background: rgba(255,255,255,.1);
        color: #ffffff;
        box-shadow: inset 3px 0 0 var(--yi2c-yellow);
      }
      #yi2c-collage-mobile .yi2c-tool i { margin: 0; }
      #yi2c-collage-mobile .yi2c-tool svg { display: block; }
      #yi2c-collage-mobile .yi2c-stage {
        grid-column: 3;
        grid-row: 2;
        min-width: 0;
        padding: 28px 34px 24px;
        background: #f1ebe1;
      }
      #yi2c-collage-mobile .yi2c-editor-selection-summary {
        margin-bottom: 12px;
        color: #596a78;
        font-size: 13px;
      }
      #yi2c-collage-mobile .yi2c-collage {
        width: min(72%, 500px);
        max-height: calc(100vh - 255px);
        box-shadow: 0 18px 46px rgba(12,34,54,.18);
      }
      #yi2c-collage-mobile .yi2c-collage.is-landscape { width: min(94%, 680px); }
      #yi2c-collage-mobile .yi2c-collage.is-square { width: min(76%, 560px); }
      #yi2c-collage-mobile .yi2c-stage-status,
      #yi2c-collage-mobile .yi2c-photo-actions {
        width: min(94%, 680px);
      }
      #yi2c-collage-mobile .yi2c-stage-status { margin-top: 12px; }
      #yi2c-collage-mobile .yi2c-photo-actions {
        grid-template-columns: repeat(3,minmax(120px,1fr));
        gap: 8px;
        margin-top: 10px;
      }
      #yi2c-collage-mobile .yi2c-photo-actions .btn {
        min-height: 42px;
        font-size: 13px;
      }
      #yi2c-collage-mobile .yi2c-finish-bar { display: none; }

      #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) {
        position: relative;
        z-index: 2;
        grid-column: 2;
        grid-row: 2;
        left: auto;
        right: auto;
        bottom: auto;
        width: 304px;
        height: 100%;
        max-height: none;
        margin: 0;
        border: 0;
        border-right: 1px solid rgba(16,27,44,.16);
        background: var(--yi2c-paper);
        box-shadow: none;
      }
      #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]).yi2c-desktop-only { display: none !important; }
      #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]).is-open,
      #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]).yi2c-desktop-only.is-open {
        display: flex !important;
        flex-direction: column;
      }
      #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head {
        min-height: 62px;
        padding: 10px 16px;
        background: var(--yi2c-paper);
      }
      #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head .btn { display: none; }
      #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-body {
        flex: 1 1 auto;
        min-height: 0;
        padding: 18px 16px 30px;
        overflow-y: auto;
      }
      #yi2c-collage-mobile .yi2c-thumb-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
      #yi2c-collage-mobile .yi2c-desktop-layout-copy { display: grid; gap: 5px; margin: 12px 0 22px; color: var(--yi2c-muted); line-height: 1.45; }
      #yi2c-collage-mobile .yi2c-desktop-layout-copy strong { color: var(--yi2c-navy); }

      #yi2c-collage-mobile .yi2c-desktop-order-panel {
        grid-column: 4;
        grid-row: 2;
        min-width: 0;
        height: 100%;
        overflow-y: auto;
        padding: 24px 22px 28px;
        border-left: 1px solid rgba(16,27,44,.16);
        background: var(--yi2c-paper);
        color: var(--yi2c-navy);
      }
      #yi2c-collage-mobile .yi2c-desktop-order-head {
        padding-bottom: 18px;
        border-bottom: 1px solid var(--yi2c-line);
      }
      #yi2c-collage-mobile .yi2c-desktop-order-head h2 {
        margin: 3px 0 5px;
        font-size: 27px;
      }
      #yi2c-collage-mobile .yi2c-desktop-order-head p { color: var(--yi2c-muted); font-size: 13px; }
      #yi2c-collage-mobile .yi2c-desktop-option-section {
        padding: 17px 0;
        border-bottom: 1px solid var(--yi2c-line);
      }
      #yi2c-collage-mobile .yi2c-desktop-section-head {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 9px;
      }
      #yi2c-collage-mobile .yi2c-desktop-section-head > span { color: var(--yi2c-muted); font-size: 11px; text-align: right; }
      #yi2c-collage-mobile .yi2c-desktop-segmented,
      #yi2c-collage-mobile .yi2c-desktop-size-grid,
      #yi2c-collage-mobile .yi2c-desktop-finish-grid {
        display: grid;
        grid-template-columns: repeat(3,minmax(0,1fr));
        gap: 6px;
      }
      #yi2c-collage-mobile .yi2c-desktop-size-grid { grid-template-columns: repeat(5,minmax(0,1fr)); }
      #yi2c-collage-mobile .yi2c-desktop-segmented button,
      #yi2c-collage-mobile .yi2c-desktop-size-grid button,
      #yi2c-collage-mobile .yi2c-desktop-finish-grid button {
        min-width: 0;
        min-height: 46px;
        padding: 7px 5px;
        border: 1px solid var(--yi2c-line);
        background: var(--yi2c-paper);
        color: var(--yi2c-navy);
        font: inherit;
        font-size: 11px;
      }
      #yi2c-collage-mobile .yi2c-desktop-finish-grid button strong,
      #yi2c-collage-mobile .yi2c-desktop-finish-grid button span,
      #yi2c-collage-mobile .yi2c-desktop-size-grid button strong,
      #yi2c-collage-mobile .yi2c-desktop-size-grid button span { display: block; }
      #yi2c-collage-mobile .yi2c-desktop-finish-grid button span,
      #yi2c-collage-mobile .yi2c-desktop-size-grid button span { margin-top: 2px; color: var(--yi2c-muted); font-size: 10px; }
      #yi2c-collage-mobile .yi2c-desktop-segmented button[aria-pressed="true"],
      #yi2c-collage-mobile .yi2c-desktop-size-grid button[aria-pressed="true"],
      #yi2c-collage-mobile .yi2c-desktop-finish-grid button[aria-pressed="true"] {
        border-color: var(--yi2c-navy);
        background: var(--yi2c-soft-green);
        box-shadow: inset 0 -3px 0 var(--yi2c-yellow);
      }
      #yi2c-collage-mobile .yi2c-desktop-segmented button:disabled { opacity: .38; cursor: not-allowed; }
      #yi2c-collage-mobile .yi2c-desktop-promo {
        margin-top: 8px;
        color: var(--yi2c-green);
        font-size: 11px;
        font-weight: 600;
      }
      #yi2c-collage-mobile .yi2c-desktop-frame-options { margin-top: 13px; }
      #yi2c-collage-mobile .yi2c-desktop-frame-options .yi2c-section-label { margin: 0 0 7px; font-size: 12px; }
      #yi2c-collage-mobile .yi2c-desktop-frame-options .yi2c-desktop-segmented { grid-template-columns: repeat(4,minmax(0,1fr)); }
      #yi2c-collage-mobile .yi2c-desktop-hanger {
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 9px;
        min-height: 44px;
        margin-top: 11px;
        padding: 8px 10px;
        border: 1px solid var(--yi2c-line);
        cursor: pointer;
      }
      #yi2c-collage-mobile .yi2c-desktop-comment { display: grid; gap: 8px; }
      #yi2c-collage-mobile .yi2c-desktop-comment textarea {
        width: 100%;
        min-height: 74px;
        resize: vertical;
        padding: 10px;
        border: 1px solid var(--yi2c-line);
        border-radius: 0;
        background: var(--yi2c-paper);
        color: var(--yi2c-navy);
        font: inherit;
        font-size: 13px;
      }
      #yi2c-collage-mobile .yi2c-desktop-order-footer { padding-top: 18px; }
      #yi2c-collage-mobile .yi2c-desktop-order-footer > .yi2c-desktop-total {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 12px;
      }
      #yi2c-collage-mobile .yi2c-desktop-order-footer > .yi2c-desktop-total span { color: var(--yi2c-muted); font-size: 12px; }
      #yi2c-collage-mobile .yi2c-desktop-order-footer > .yi2c-desktop-total strong { font: 600 25px/1 var(--yi2c-serif); }
      #yi2c-collage-mobile .yi2c-desktop-order-status { min-height: 18px; margin-top: 8px; color: var(--yi2c-muted); font-size: 11px; }

      #yi2c-collage-mobile .yi2c-gallery-view {
        width: min(1240px,100%);
        margin: 0 auto;
        padding: 42px 42px 60px;
      }
      #yi2c-collage-mobile .yi2c-template-gallery { grid-template-columns: repeat(5,minmax(0,1fr)); gap: 18px; }
      #yi2c-collage-mobile .yi2c-selected-view { width: min(1080px,100%); margin: 0 auto; }
      #yi2c-collage-mobile .yi2c-selected-scroll { padding: 30px 56px 18px; }
      #yi2c-collage-mobile .yi2c-selected-preview { width: min(28%,240px); }
      #yi2c-collage-mobile .yi2c-selected-view .yi2c-product-grid,
      #yi2c-collage-mobile .yi2c-selected-view .yi2c-choice-grid { max-width: 720px; margin-inline: auto; }
      #yi2c-collage-mobile .yi2c-selected-view h1,
      #yi2c-collage-mobile .yi2c-selected-view .yi2c-intro,
      #yi2c-collage-mobile .yi2c-selected-view .yi2c-preparation-guidance,
      #yi2c-collage-mobile .yi2c-selected-view .yi2c-section-label,
      #yi2c-collage-mobile .yi2c-selected-view .yi2c-size-guidance { text-align: center; }

      #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-active {
        display: grid;
        grid-template-columns: minmax(0,1fr) 420px;
        grid-template-rows: 72px minmax(0,1fr);
        background: var(--yi2c-cream);
      }
      #yi2c-collage-mobile .yi2c-screen[data-screen="finish"] > .yi2c-topbar { grid-column: 1 / -1; grid-row: 1; min-height: 72px; }
      #yi2c-collage-mobile .yi2c-canvas-stage { grid-column: 1; grid-row: 2; min-height: 0; padding: 34px; }
      #yi2c-collage-mobile .yi2c-finish-content { grid-column: 2; grid-row: 2; padding: 42px 32px; overflow-y: auto; background: var(--yi2c-paper); border-left: 1px solid var(--yi2c-line); }
      #yi2c-collage-mobile .yi2c-canvas-mock { width: min(72%,720px); }
      #yi2c-collage-mobile .yi2c-canvas-mock.is-landscape { width: min(84%,820px); }
    }

@media (min-width: 900px) {
  #yi2c-collage-mobile .yi2c-tools [data-open-sheet="layout"] { order: 1; }
  #yi2c-collage-mobile .yi2c-tools [data-open-sheet="photos"] { order: 2; }
  #yi2c-collage-mobile .yi2c-tools [data-open-sheet="spacing"] { order: 3; }
  #yi2c-collage-mobile .yi2c-tools [data-open-sheet="background"] { order: 4; }
  #yi2c-collage-mobile .yi2c-tools [data-open-sheet="colour"] { order: 5; }
  #yi2c-collage-mobile .yi2c-tool.is-complete::after {
    display: grid;
    width: 17px;
    height: 17px;
    place-items: center;
    border-radius: 50%;
    background: #dcebdc;
    color: #2e6f41;
    font-size: 10px;
    font-weight: 800;
    content: "✓";
  }
  html:has(#yi2c-collage-mobile), body:has(#yi2c-collage-mobile) { height: 100%; overflow: hidden; }
  #yi2c-collage-mobile,
  #yi2c-collage-mobile .yi2c-phone,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"].is-active { height: 100dvh; min-height: 620px; overflow: hidden; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"].is-active { grid-template-columns: 74px 320px minmax(420px,1fr) 380px; grid-template-rows: 68px minmax(0,1fr); }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar { min-height: 68px; padding: 8px 18px; border-bottom: 1px solid rgba(16,27,44,.14); background: #ffffff; color: #000000; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-home { width: auto; min-width: 42px; padding: 0 12px; border-color: rgba(16,27,44,.22); background: #000000; color: #ffffff; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy strong,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy span { color: #000000; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy { width: 330px; max-width: 330px; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .btn { border-color: rgba(16,27,44,.2); color: #000000; }
  #yi2c-collage-mobile .yi2c-tool svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
  #yi2c-collage-mobile .yi2c-stage { padding: 18px 28px 16px; background-color: #f3f3f3; background-image: radial-gradient(rgba(16,27,44,.075) .65px,transparent .65px); background-size: 12px 12px; }
  #yi2c-collage-mobile .yi2c-collage { width: min(78%,620px); max-height: calc(100dvh - 225px); }
  #yi2c-collage-mobile .yi2c-collage.is-landscape { width: min(96%,780px); }
  #yi2c-collage-mobile .yi2c-collage.is-square { width: min(82%,650px); }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) { width: 320px; background: #ffffff; }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head { min-height: 96px; padding: 36px 20px 12px; border-bottom: 0; background: #ffffff; }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-body { padding: 4px 20px 28px; }
  #yi2c-collage-mobile .yi2c-desktop-order-panel { position: relative; display: flex !important; flex-direction: column; padding: 0; overflow-y: auto; background: #ffffff; }
  #yi2c-collage-mobile .yi2c-desktop-order-head { padding: 22px 22px 16px; }
  #yi2c-collage-mobile .yi2c-desktop-order-head h2 { margin: 4px 0 5px; font: 600 30px/1.05 var(--yi2c-serif); }
  #yi2c-collage-mobile .yi2c-desktop-segmented button[aria-pressed="true"],
  #yi2c-collage-mobile .yi2c-desktop-size-grid button[aria-pressed="true"],
  #yi2c-collage-mobile .yi2c-desktop-finish-grid button[aria-pressed="true"] { border-color: #4e8a61; background: #eaf3e9; color: #214f32; box-shadow: inset 0 0 0 1px #4e8a61; }
  #yi2c-collage-mobile .yi2c-desktop-promo { padding: 10px 12px; border: 1px solid #b9d1ba; background: #eaf3e9; color: #214f32; text-align: center; }
  #yi2c-collage-mobile .yi2c-desktop-order-footer { position: sticky; right: auto; bottom: 0; width: auto; margin-top: auto; padding: 14px 22px 16px; border-top: 1px solid rgba(16,27,44,.16); background: #ffffff; box-shadow: 0 -12px 24px rgba(16,27,44,.06); }
}

/* Desktop polish: presentation only; shared editor controls remain authoritative. */
@media (min-width: 900px) {
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar {
    display: grid;
    grid-template-columns: minmax(265px,1fr) minmax(170px,auto) minmax(330px,1fr);
    align-items: center;
    column-gap: 24px;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar > .yi2c-home,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar > .yi2c-top-copy { display: none; }
  #yi2c-collage-mobile .yi2c-desktop-brand {
    display: flex !important;
    grid-column: 1;
    min-width: 0;
    align-items: center;
    gap: 12px;
  }
  #yi2c-collage-mobile .yi2c-desktop-brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    background: var(--yi2c-navy);
    color: #ffffff;
    font: 600 22px/1 var(--yi2c-serif);
  }
  #yi2c-collage-mobile .yi2c-desktop-brand > span:last-child { min-width: 0; }
  #yi2c-collage-mobile .yi2c-desktop-brand strong,
  #yi2c-collage-mobile .yi2c-desktop-brand small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  #yi2c-collage-mobile .yi2c-desktop-brand strong { font: 600 18px/1.15 var(--yi2c-serif); }
  #yi2c-collage-mobile .yi2c-desktop-brand small { margin-top: 3px; color: var(--yi2c-muted); font-size: 11px; }
  #yi2c-collage-mobile .yi2c-desktop-save-status {
    display: inline-flex !important;
    grid-column: 2;
    position: static;
    left: auto;
    width: auto;
    transform: none;
    justify-self: center;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 0;
    color: #315f3f;
    font-size: 12px;
    white-space: nowrap;
  }
  #yi2c-collage-mobile .yi2c-desktop-save-status > span {
    display: grid;
    width: 19px;
    height: 19px;
    place-items: center;
    border-radius: 50%;
    background: #e3f0e4;
    color: #2e6f41;
    font-weight: 800;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-icon-row {
    display: flex;
    grid-column: 3;
    min-width: 0;
    align-items: center;
    justify-content: flex-end;
    gap: 7px;
  }
  #yi2c-collage-mobile .yi2c-desktop-return {
    display: inline-flex !important;
    min-height: 38px;
    padding-inline: 15px;
    border: 1px solid rgba(16,27,44,.32) !important;
    background: transparent;
    white-space: nowrap;
  }

  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] .yi2c-sheet-head::before { content: "YOUR PHOTOGRAPHS"; }
  #yi2c-collage-mobile .yi2c-mobile-photo-count { display: none; }
  #yi2c-collage-mobile .yi2c-desktop-photos-intro { display: grid !important; gap: 12px; margin-bottom: 16px; }
  #yi2c-collage-mobile .yi2c-desktop-photos-intro > p { color: var(--yi2c-muted); font-size: 12px; line-height: 1.5; }
  #yi2c-collage-mobile .yi2c-desktop-photos-intro > div { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 11px; border-bottom: 1px solid var(--yi2c-line); font-size: 11px; }
  #yi2c-collage-mobile .yi2c-desktop-photos-intro strong { color: var(--yi2c-navy); }
  #yi2c-collage-mobile .yi2c-desktop-photos-intro span { color: var(--yi2c-muted); }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] [data-add-status] { display: none; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] [data-add-photo] { min-height: 44px; margin-bottom: 14px; background: var(--yi2c-navy); }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] .yi2c-thumb-grid { gap: 8px; margin-top: 0 !important; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] .yi2c-thumb { aspect-ratio: 1; border-color: rgba(16,27,44,.18); }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] .yi2c-thumb.is-selected { border-color: #3f8153; box-shadow: 0 0 0 2px #dcebdc; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="photos"] .yi2c-photos-context { display: none !important; }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo {
    display: grid !important;
    grid-template-columns: minmax(0,1fr) 42px;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding: 12px;
    border: 1px solid var(--yi2c-line);
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo[hidden] { display: none !important; }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo span,
  #yi2c-collage-mobile .yi2c-desktop-selected-photo strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo span { margin-bottom: 3px; color: var(--yi2c-muted); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo strong { font-size: 13px; }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo button { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(16,27,44,.18); background: transparent; color: var(--yi2c-navy); cursor: pointer; }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo button:is(:hover,:focus-visible) { border-color: #925d55; background: #f7ece9; color: #7c3e36; }
  #yi2c-collage-mobile .yi2c-desktop-selected-photo svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

  #yi2c-collage-mobile .yi2c-sheet[data-sheet="spacing"] .yi2c-sheet-body { display: grid; align-content: start; gap: 15px; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="spacing"] .yi2c-desktop-panel-copy { margin: 0 0 2px; }
  #yi2c-collage-mobile .yi2c-spacing-control-card { display: grid; gap: 10px; padding: 14px; border: 1px solid var(--yi2c-line); background: #ffffff; }
  #yi2c-collage-mobile .yi2c-spacing-control-card .form-label { display: flex; justify-content: space-between; gap: 10px; margin: 0; }
  #yi2c-collage-mobile .yi2c-spacing-control-card .form-label strong { color: #2f6541; font-size: 12px; }
  #yi2c-collage-mobile .yi2c-spacing-control-card .form-range { width: 100%; height: 5px; margin: 3px 0; accent-color: var(--yi2c-navy); }
  #yi2c-collage-mobile .yi2c-range-scale { display: flex !important; justify-content: space-between; color: var(--yi2c-muted); font-size: 10px; }
  #yi2c-collage-mobile .yi2c-desktop-presets { display: grid !important; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; }
  #yi2c-collage-mobile .yi2c-desktop-presets button { min-height: 40px; border: 1px solid var(--yi2c-line); background: #ffffff; color: var(--yi2c-navy); font: inherit; font-size: 11px; }
  #yi2c-collage-mobile .yi2c-desktop-presets button[aria-pressed="true"] { border-color: #4e8a61; background: #eaf3e9; color: #214f32; box-shadow: inset 0 0 0 1px #4e8a61; }

  #yi2c-collage-mobile .yi2c-sheet[data-sheet="colour"] .yi2c-choice-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="colour"] .yi2c-treatment-card { display: grid; grid-template-columns: 54px minmax(0,1fr) 22px; align-items: center; gap: 12px; width: 100%; min-height: 76px; padding: 10px 12px; border: 1px solid var(--yi2c-line); background: #ffffff; color: var(--yi2c-navy); text-align: left; }
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) strong,
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) small { display: block; }
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) strong { font-size: 14px; }
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) small { margin-top: 4px; color: var(--yi2c-muted); font-size: 11px; }
  #yi2c-collage-mobile .yi2c-treatment-card > b { display: grid; width: 21px; height: 21px; place-items: center; border-radius: 50%; background: #3f8153; color: white; font-size: 12px; opacity: 0; }
  #yi2c-collage-mobile .yi2c-treatment-card[aria-pressed="true"] { border-color: #4e8a61; background: #eaf3e9; box-shadow: inset 0 0 0 1px #4e8a61; }
  #yi2c-collage-mobile .yi2c-treatment-card[aria-pressed="true"] > b { opacity: 1; }
  #yi2c-collage-mobile .yi2c-treatment-swatch { display: block; width: 54px; height: 54px; border: 1px solid rgba(16,27,44,.16); background: linear-gradient(135deg,#dd9f6c 0 33%,#6f9aa4 33% 66%,#284b70 66%); }
  #yi2c-collage-mobile .yi2c-treatment-swatch.is-bw { background: linear-gradient(135deg,#f0f0ed 0 33%,#999 33% 66%,#292929 66%); }
  #yi2c-collage-mobile .yi2c-treatment-swatch.is-sepia { background: linear-gradient(135deg,#ead8b9 0 33%,#b98b58 33% 66%,#67462d 66%); }

  #yi2c-collage-mobile .yi2c-stage > .yi2c-photo-actions { display: flex; width: min(96%,780px); min-height: 44px; align-items: center; justify-content: center; gap: 7px; margin-top: 10px; }
  #yi2c-collage-mobile .yi2c-stage > .yi2c-photo-actions > [data-photo-adjust] { display: none; }
  #yi2c-collage-mobile .yi2c-stage > .yi2c-photo-actions > .btn { width: auto; min-width: 78px; min-height: 38px; padding: 7px 11px; }
  #yi2c-collage-mobile .yi2c-stage > .yi2c-photo-actions:not(.has-selection) > .btn { display: none; }
  #yi2c-collage-mobile .yi2c-desktop-photo-toolbar { display: grid !important; grid-template-columns: auto minmax(120px,220px) 46px auto; align-items: center; gap: 8px; min-width: 0; }
  #yi2c-collage-mobile .yi2c-desktop-photo-toolbar[hidden] { display: none !important; }
  #yi2c-collage-mobile .yi2c-desktop-photo-toolbar label { font-size: 12px; font-weight: 700; }
  #yi2c-collage-mobile .yi2c-desktop-photo-toolbar input { width: 100%; accent-color: var(--yi2c-navy); }
  #yi2c-collage-mobile .yi2c-desktop-photo-toolbar output { color: var(--yi2c-muted); font-size: 11px; }
  #yi2c-collage-mobile .yi2c-desktop-photo-toolbar .btn { min-width: 66px; min-height: 38px; }
  #yi2c-collage-mobile .yi2c-desktop-toolbar-empty { display: block !important; margin: 0; color: var(--yi2c-muted); font-size: 12px; }
  #yi2c-collage-mobile .yi2c-desktop-toolbar-empty[hidden] { display: none !important; }

  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-sheet-body { display: grid; align-content: start; gap: 16px; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-desktop-panel-copy { margin: 0; color: var(--yi2c-muted); font-size: 12px; line-height: 1.5; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 9px; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch {
    display: grid;
    min-height: 82px;
    grid-template-rows: 38px auto;
    align-content: center;
    gap: 7px;
    padding: 8px;
    border: 1px solid var(--yi2c-line);
    background: #ffffff;
    color: var(--yi2c-navy);
    font: inherit;
    font-size: 10.5px;
    line-height: 1.15;
    text-align: left;
    white-space: normal;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch-colour { width: 100%; height: 38px; border: 1px solid rgba(16,27,44,.16); background: var(--swatch); }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch[aria-pressed="true"] { position: relative; border-color: #4e8a61; background: #eaf3e9; box-shadow: inset 0 0 0 1px #4e8a61; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch[aria-pressed="true"]::after { content: "✓"; position: absolute; top: 5px; right: 5px; display: grid; width: 19px; height: 19px; place-items: center; border-radius: 50%; background: #3f8153; color: white; font-size: 11px; font-weight: 800; }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-custom-swatch { display: none; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour { display: grid !important; gap: 11px; padding: 14px; border: 1px solid var(--yi2c-line); background: #ffffff; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour.is-selected { border-color: #4e8a61; background: #f4f9f2; box-shadow: inset 0 0 0 1px #4e8a61; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > label { font-size: 13px; font-weight: 700; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > input[type="range"] { width: 100%; height: 18px; margin: 0; border-radius: 0; appearance: none; background: linear-gradient(90deg,#e07f7f,#dbc279,#8fc688,#83c7b8,#84a8d3,#ad8bd0,#db85ae,#e07f7f); cursor: pointer; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > input[type="range"]::-webkit-slider-thumb { width: 18px; height: 28px; border: 2px solid #ffffff; border-radius: 0; appearance: none; background: transparent; box-shadow: 0 0 0 1px var(--yi2c-navy); }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > input[type="range"]::-moz-range-thumb { width: 16px; height: 26px; border: 2px solid #ffffff; border-radius: 0; background: transparent; box-shadow: 0 0 0 1px var(--yi2c-navy); }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > div { display: grid; grid-template-columns: 40px minmax(0,1fr); align-items: center; gap: 4px 10px; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > div > span { grid-row: 1 / 3; display: block; width: 40px; height: 40px; border: 1px solid rgba(16,27,44,.22); background: var(--swatch); }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > div > label { color: var(--yi2c-muted); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour input[type="text"] { width: 100%; min-height: 36px; padding: 7px 9px; border: 1px solid var(--yi2c-line); border-radius: 0; background: var(--yi2c-paper); color: var(--yi2c-navy); font: 600 12px/1 var(--yi2c-mono,monospace); text-transform: uppercase; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour input[type="text"][aria-invalid="true"] { border-color: #a55e51; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour small { grid-column: 2; color: var(--yi2c-muted); font-size: 9px; line-height: 1.35; }

  #yi2c-collage-mobile .yi2c-collage.is-live-floating-frame {
    --yi2c-live-frame-gap: clamp(5px,.48vw,8px);
    --yi2c-live-frame-width: clamp(8px,.82vw,14px);
    box-shadow:
      0 0 0 var(--yi2c-live-frame-gap) #ffffff,
      0 0 0 calc(var(--yi2c-live-frame-gap) + var(--yi2c-live-frame-width)) var(--yi2c-live-frame-colour,#162433),
      0 0 0 calc(var(--yi2c-live-frame-gap) + var(--yi2c-live-frame-width) + 1px) rgba(16,27,44,.28),
      0 20px 50px rgba(12,34,54,.2);
  }

  #yi2c-collage-mobile .yi2c-desktop-template-card[data-template-id="heart-collection"] .yi2c-template-preview {
    width: 84px;
    height: auto;
    aspect-ratio: 1 / 1;
    place-self: center;
  }

  #yi2c-collage-mobile .yi2c-delivery-reassurance {
    display: grid !important;
    gap: 3px;
    margin-top: 10px;
    padding: 10px 12px;
    border: 1px solid rgba(78,138,97,.32);
    background: #f1f6ef;
    color: #214f32;
  }
  #yi2c-collage-mobile .yi2c-delivery-reassurance[hidden] { display: none !important; }
  #yi2c-collage-mobile .yi2c-delivery-reassurance strong { font-size: 12px; }
  #yi2c-collage-mobile .yi2c-delivery-reassurance span { font-size: 12px; }
  #yi2c-collage-mobile .yi2c-delivery-reassurance small { color: #66746b; font-size: 9px; }
  #yi2c-collage-mobile .yi2c-desktop-order-panel > .yi2c-desktop-option-section:last-of-type { margin-bottom: 190px; }

  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay {
    position: fixed;
    inset: 0;
    z-index: 140;
    display: grid !important;
    grid-template-columns: minmax(0,760px) 390px;
    grid-template-rows: 64px minmax(0,1fr);
    justify-content: center;
    padding: clamp(18px,3vh,34px) clamp(18px,3vw,48px);
    background: rgba(16,27,44,.68);
    backdrop-filter: blur(5px);
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay > .yi2c-topbar {
    grid-column: 1 / -1;
    grid-row: 1;
    width: 100%;
    min-height: 64px;
    padding: 10px 18px;
    border: 0;
    background: #000000;
    color: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay > .yi2c-topbar .btn {
    border-color: rgba(255,255,255,.38);
    color: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay > .yi2c-topbar .yi2c-top-copy,
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay > .yi2c-topbar .yi2c-top-copy strong,
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay > .yi2c-topbar .yi2c-top-copy span { color: #ffffff; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay > .yi2c-canvas-stage {
    grid-column: 1;
    grid-row: 2;
    min-height: 0;
    padding: clamp(24px,4vw,58px);
    border-right: 1px solid rgba(16,27,44,.14);
    background: #f3f3f3;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay > .yi2c-finish-content {
    grid-column: 2;
    grid-row: 2;
    min-height: 0;
    padding: 24px 26px 28px;
    overflow-y: auto;
    border: 0;
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay .yi2c-canvas-mock { width: min(78%,700px); }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay .yi2c-canvas-mock.is-landscape { width: min(90%,760px); }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay .yi2c-canvas-mock.is-square { width: min(74%,620px); }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay [data-review-panel="canvas"] .yi2c-config-grid,
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay [data-review-panel="canvas"] .yi2c-frame-colours,
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay [data-review-panel="canvas"] .yi2c-hanging-choice { display: none !important; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay .yi2c-desktop-review-summary { display: block !important; margin-bottom: 18px; }
  #yi2c-collage-mobile .yi2c-desktop-review-summary h2 { margin: 4px 0 14px; font: 600 27px/1.1 var(--yi2c-serif); }
  #yi2c-collage-mobile .yi2c-desktop-review-summary dl { display: grid; gap: 0; margin: 0; border-top: 1px solid var(--yi2c-line); }
  #yi2c-collage-mobile .yi2c-desktop-review-summary dl > div { display: grid; grid-template-columns: 108px minmax(0,1fr); gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--yi2c-line); }
  #yi2c-collage-mobile .yi2c-desktop-review-summary dl > div[hidden] { display: none; }
  #yi2c-collage-mobile .yi2c-desktop-review-summary dt { color: var(--yi2c-muted); font-size: 11px; }
  #yi2c-collage-mobile .yi2c-desktop-review-summary dd { min-width: 0; margin: 0; overflow-wrap: anywhere; color: var(--yi2c-navy); font-size: 12px; font-weight: 650; }
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay .yi2c-review-panel > .yi2c-kicker,
  #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay .yi2c-review-panel > h2 { display: none; }
}

@media (max-width: 899px) {
  html:has(#yi2c-collage-mobile),
  body:has(#yi2c-collage-mobile) {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0 !important;
    overflow: hidden;
  }

  #yi2c-collage-mobile .yi2c-phone {
    height: 100dvh;
    max-height: 100dvh;
  }

  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar {
    display: grid;
    grid-template-columns: 42px minmax(0,1fr) auto;
    gap: 8px;
    min-height: 58px;
    padding: max(7px,env(safe-area-inset-top)) 10px 7px;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-home {
    grid-column: 1;
    width: 42px;
    min-width: 42px;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy {
    grid-column: 2;
    width: 100%;
    min-width: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    background: transparent;
    box-shadow: none;
    text-align: left;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy strong,
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy strong {
    color: var(--yi2c-navy);
    font: 600 17px/1.1 Georgia,serif;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy span {
    margin-top: 2px;
    font-size: 10px;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-icon-row {
    grid-column: 3;
    min-width: 0;
    justify-self: end;
  }
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-icon-row .btn {
    min-width: 30px;
    min-height: 34px;
    padding-inline: 4px;
    font-size: 10px;
  }

  #yi2c-collage-mobile .yi2c-stage {
    padding: 12px 12px 8px;
    background-color: #f3f3f3;
    background-image: radial-gradient(rgba(16,27,44,.075) .65px,transparent .65px);
    background-size: 12px 12px;
  }

  #yi2c-collage-mobile .yi2c-tools {
    border-top-color: rgba(255,255,255,.14);
    background: #000000;
  }
  #yi2c-collage-mobile .yi2c-tool {
    position: relative;
    min-height: 56px;
    padding: 6px 2px 5px;
    border-right-color: rgba(255,255,255,.12);
    background: transparent;
    color: rgba(255,255,255,.8);
    font-size: 10.5px;
  }
  #yi2c-collage-mobile .yi2c-tool svg {
    display: block;
    width: 19px;
    height: 19px;
    margin: 0 auto 4px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  #yi2c-collage-mobile .yi2c-tool:is(:hover,:focus-visible),
  #yi2c-collage-mobile .yi2c-tool[aria-pressed="true"] {
    background: rgba(255,255,255,.1);
    color: #ffffff;
    box-shadow: inset 0 3px 0 var(--yi2c-yellow);
  }
  #yi2c-collage-mobile .yi2c-tool.is-complete::after {
    position: absolute;
    top: 5px;
    right: calc(50% - 20px);
    display: grid;
    width: 15px;
    height: 15px;
    place-items: center;
    border-radius: 50%;
    background: #e3f0e4;
    color: #2e6f41;
    content: "\2713";
    font-size: 9px;
    font-weight: 800;
  }
  #yi2c-collage-mobile .yi2c-finish-bar {
    padding: 7px 12px max(9px,env(safe-area-inset-bottom));
    border-top-color: rgba(16,27,44,.18);
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-finish-bar .btn-primary {
    min-height: 44px;
    background: #000000;
    color: #ffffff;
  }

  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) {
    bottom: calc(107px + max(9px,env(safe-area-inset-bottom)));
    max-height: min(48%,460px);
    border-top-color: rgba(16,27,44,.16);
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head {
    flex: 0 0 auto;
    border-bottom-color: rgba(16,27,44,.14);
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-head strong {
    color: #000000;
    font: 600 18px/1.15 Georgia,serif;
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-sheet-body {
    min-height: 0;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .btn,
  #yi2c-collage-mobile .yi2c-spacing-control-card,
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) .yi2c-choice {
    border-color: #d4cdc2;
    background: #ffffff;
    color: #000000;
  }
  #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) :is(.yi2c-choice,.yi2c-swatch)[aria-pressed="true"] {
    border-color: #4e8a61;
    background: #eaf3e9;
    color: #214f32;
    box-shadow: inset 0 0 0 1px #4e8a61;
  }

  #yi2c-collage-mobile .yi2c-spacing-control-card {
    display: grid;
    gap: 9px;
    padding: 12px;
    border: 1px solid #d4cdc2;
  }

  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-desktop-panel-copy,
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch.yi2c-desktop-only,
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-desktop-custom-colour {
    display: grid !important;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-desktop-panel-copy {
    margin: 0 0 12px;
    color: var(--yi2c-muted);
    font-size: 11px;
    line-height: 1.45;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch-grid {
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 7px;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch {
    position: relative;
    display: grid;
    min-width: 0;
    min-height: 68px;
    grid-template-rows: 30px auto;
    align-content: center;
    gap: 5px;
    padding: 7px;
    border: 1px solid #d4cdc2;
    background: #ffffff;
    color: #000000;
    font: inherit;
    font-size: 10px;
    line-height: 1.15;
    text-align: left;
    white-space: normal;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch-colour {
    width: 100%;
    height: 30px;
    border: 1px solid rgba(16,27,44,.16);
    background: var(--swatch);
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch[aria-pressed="true"]::after {
    position: absolute;
    top: 4px;
    right: 4px;
    display: grid;
    width: 17px;
    height: 17px;
    place-items: center;
    border-radius: 50%;
    background: #3f8153;
    color: #fff;
    content: "\2713";
    font-size: 9px;
    font-weight: 800;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-custom-swatch input[type="color"] {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-desktop-custom-colour {
    gap: 10px;
    margin-top: 12px;
    padding: 12px;
    border: 1px solid #d4cdc2;
    background: #ffffff;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-desktop-custom-colour.is-selected {
    border-color: #4e8a61;
    background: #f4f9f2;
    box-shadow: inset 0 0 0 1px #4e8a61;
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > label { font-size: 12px; font-weight: 700; }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > input[type="range"] {
    width: 100%;
    height: 18px;
    margin: 0;
    border-radius: 0;
    appearance: none;
    background: linear-gradient(90deg,#e07f7f,#dbc279,#8fc688,#83c7b8,#84a8d3,#ad8bd0,#db85ae,#e07f7f);
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > input[type="range"]::-webkit-slider-thumb {
    width: 18px;
    height: 28px;
    border: 2px solid #ffffff;
    border-radius: 0;
    appearance: none;
    background: transparent;
    box-shadow: 0 0 0 1px #000000;
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 26px;
    border: 2px solid #ffffff;
    border-radius: 0;
    background: transparent;
    box-shadow: 0 0 0 1px #000000;
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > div {
    display: grid;
    grid-template-columns: 40px minmax(0,1fr);
    align-items: center;
    gap: 4px 10px;
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > div > span {
    grid-row: 1 / 3;
    display: block;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(16,27,44,.22);
    background: var(--swatch);
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour > div > label {
    color: var(--yi2c-muted);
    font-size: 10px;
    letter-spacing: .06em;
    text-transform: uppercase;
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour input[type="text"] {
    width: 100%;
    min-height: 40px;
    padding: 7px 9px;
    border: 1px solid #d4cdc2;
    border-radius: 0;
    background: #ffffff;
    color: #000000;
    font: 600 16px/1 ui-monospace,SFMono-Regular,Consolas,monospace;
    text-transform: uppercase;
  }
  #yi2c-collage-mobile .yi2c-desktop-custom-colour small {
    grid-column: 2;
    color: var(--yi2c-muted);
    font-size: 9px;
    line-height: 1.35;
  }

  #yi2c-collage-mobile .yi2c-sheet[data-sheet="colour"] .yi2c-choice-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  #yi2c-collage-mobile .yi2c-sheet[data-sheet="colour"] .yi2c-treatment-card {
    display: grid;
    min-height: 70px;
    grid-template-columns: 50px minmax(0,1fr) 20px;
    align-items: center;
    gap: 11px;
    padding: 9px 11px;
    text-align: left;
  }
  #yi2c-collage-mobile .yi2c-treatment-card .yi2c-treatment-swatch {
    display: block;
    width: 50px;
    height: 50px;
    border: 1px solid rgba(16,27,44,.16);
    background: linear-gradient(135deg,#dd9f6c 0 33%,#6f9aa4 33% 66%,#284b70 66%);
  }
  #yi2c-collage-mobile .yi2c-treatment-card .yi2c-treatment-swatch.is-bw { background: linear-gradient(135deg,#f0f0ed 0 33%,#999 33% 66%,#292929 66%); }
  #yi2c-collage-mobile .yi2c-treatment-card .yi2c-treatment-swatch.is-sepia { background: linear-gradient(135deg,#ead8b9 0 33%,#b98b58 33% 66%,#67462d 66%); }
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) strong,
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) small { display: block; }
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) strong { font-size: 13px; }
  #yi2c-collage-mobile .yi2c-treatment-card > span:nth-child(2) small { margin-top: 3px; color: var(--yi2c-muted); font-size: 10px; }
  #yi2c-collage-mobile .yi2c-treatment-card > b {
    display: grid;
    width: 20px;
    height: 20px;
    place-items: center;
    border-radius: 50%;
    background: #3f8153;
    color: white;
    font-size: 11px;
    opacity: 0;
  }
  #yi2c-collage-mobile .yi2c-treatment-card[aria-pressed="true"] > b { opacity: 1; }
}

@media (max-width: 430px) {
  #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy span { display: none; }
}

/* Private development brand refinement — presentation only. */
:root { color-scheme: light; --background:#fff; --foreground:#000; --font-sans:Arial,Helvetica,sans-serif; }
#yi2c-collage-mobile { --yi2c-navy:#000; --yi2c-ink:#000; --yi2c-cream:#fff; --yi2c-paper:#fff; --yi2c-line:#d8d8d8; --yi2c-muted:#555; --yi2c-yellow:#f53691; --yi2c-pink:#b8125c; --yi2c-soft-green:#ddf3fc; --yi2c-serif:'Iowan Old Style',Baskerville,'Times New Roman',serif; color-scheme:light; }
#yi2c-collage-mobile :is(button,select,textarea,input,.btn,.form-control) { border-radius:0; }
#yi2c-collage-mobile :is(button,a,input,select,textarea):focus-visible { outline:3px solid #b8125c; outline-offset:3px; }
#yi2c-collage-mobile :is(.yi2c-kicker,.yi2c-desktop-panel-kicker,.yi2c-desktop-order-kicker) { color:#b8125c; font-weight:700; }
#yi2c-collage-mobile :is(h1,h2,h3) { font-family:var(--yi2c-serif); }
#yi2c-collage-mobile .btn-primary { background:#000; color:#fff; border-color:#000; }
#yi2c-collage-mobile .btn-primary:disabled { background:#ddd; color:#555; border-color:#ddd; }
#yi2c-collage-mobile :is(.yi2c-choice,.yi2c-template-card,.yi2c-desktop-template-card,.yi2c-swatch)[aria-pressed="true"],
#yi2c-collage-mobile .yi2c-desktop-custom-colour.is-selected { border-color:#b8125c; background:#fce5f1; color:#000; box-shadow:inset 0 0 0 1px #b8125c; }
#yi2c-collage-mobile :is(.yi2c-swatch,.yi2c-treatment-card)[aria-pressed="true"]::after { background:#b8125c; color:#fff; }
#yi2c-collage-mobile :is(.yi2c-desktop-promo,.yi2c-promo-line) { background:#fce5f1; color:#000; border-color:#f5bfda; font-weight:700; }
#yi2c-collage-mobile :is(.yi2c-photo-limit,.yi2c-delivery-reassurance) { background:#ddf3fc; color:#000; border-color:#b4e2f5; }
#yi2c-collage-mobile .yi2c-delivery-reassurance small { color:#444; }
#yi2c-collage-mobile .yi2c-choice small { color:#b8125c; }
#yi2c-collage-mobile .yi2c-template-slot { color:#000; background:#ddf3fc; border-color:#fff; }
#yi2c-collage-mobile .yi2c-brand-logo { display:block; width:100%; height:auto; object-fit:contain; }
#yi2c-collage-mobile .yi2c-desktop-brand-mark { width:170px; height:auto; background:#fff; }
#yi2c-collage-mobile .yi2c-home { width:108px; background:#fff; padding:3px; }
#yi2c-collage-mobile .yi2c-selected-action { box-shadow:none; }
#yi2c-collage-mobile input[type="range"] { accent-color:#b8125c; }
@media (prefers-reduced-motion:reduce) { #yi2c-collage-mobile *,#yi2c-collage-mobile *::before,#yi2c-collage-mobile *::after { animation:none!important; transition:none!important; scroll-behavior:auto!important; } }

#yi2c-collage-mobile .yi2c-desktop-brand-mark { flex:0 0 145px; width:145px; }
#yi2c-collage-mobile .yi2c-mobile-production-note { display:none; }
#yi2c-collage-mobile :is(.yi2c-desktop-order-kicker,.yi2c-desktop-sheet-kicker) { color:#b8125c; }
@media(max-width:899px) {
  #yi2c-collage-mobile .yi2c-mobile-production-note { display:grid; gap:8px; font-size:13px; margin-bottom:18px; }
  #yi2c-collage-mobile .yi2c-mobile-production-note textarea { width:100%; padding:12px; border:1px solid #aaa; font:16px/1.4 Arial,sans-serif; }
  #yi2c-collage-mobile .yi2c-mobile-production-note small { color:#555; }
  #yi2c-collage-mobile [data-screen="finish"]:has([data-review-panel="free"]:not([hidden])) .yi2c-mobile-production-note { display:none; }
}

@media (max-width:899px) {
 #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-home { width:90px; min-width:90px; padding:3px; }
 #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-topbar .yi2c-top-copy strong { font-size:16px; }
}

/* Selected controls use raspberry; green is reserved for valid/saved states. */
#yi2c-collage-mobile :is(.yi2c-desktop-segmented,.yi2c-desktop-size-grid,.yi2c-desktop-finish-grid,.yi2c-desktop-presets) button[aria-pressed="true"],
#yi2c-collage-mobile .yi2c-treatment-card[aria-pressed="true"],
#yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) :is(.yi2c-choice,.yi2c-swatch)[aria-pressed="true"],
#yi2c-collage-mobile .yi2c-desktop-custom-colour.is-selected {
 border-color:#b8125c; background:#fce5f1; color:#000; box-shadow:inset 0 0 0 1px #b8125c;
}
#yi2c-collage-mobile .yi2c-sheet[data-sheet="background"] .yi2c-swatch[aria-pressed="true"]::after { background:#b8125c; }
#yi2c-collage-mobile input[type="checkbox"] { accent-color:#b8125c; }

/* Final scoped polish: compact header; existing workspace proportions retained. */
#yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-builder-header { display:flex; align-items:center; gap:16px; min-height:64px; height:64px; padding:8px 20px; background:#fff; border-bottom:1px solid #d8d8d8; }
#yi2c-collage-mobile .yi2c-builder-logo { display:block; flex:0 0 145px; width:145px; }
#yi2c-collage-mobile .yi2c-builder-identity { display:grid; gap:3px; min-width:0; }
#yi2c-collage-mobile .yi2c-builder-identity strong { font:600 18px/1.2 var(--yi2c-serif); white-space:nowrap; }
#yi2c-collage-mobile [data-builder-save-status] { color:#666; font:10px/1.2 Arial,sans-serif; }
#yi2c-collage-mobile [data-builder-save-status][data-saved="true"] { color:#386d48; }
#yi2c-collage-mobile .yi2c-builder-links { display:flex; gap:20px; margin-left:auto; font:12px/1.2 Arial,sans-serif; }
#yi2c-collage-mobile .yi2c-builder-links a { display:flex; align-items:center; min-height:40px; color:#000; text-decoration:none; white-space:nowrap; }
#yi2c-collage-mobile .yi2c-builder-header .yi2c-help-toggle { flex:0 0 32px; width:32px; min-height:32px; padding:4px; }
#yi2c-collage-mobile .yi2c-stage { position:relative; }
#yi2c-collage-mobile .yi2c-workspace-history { display:flex; align-self:flex-start; gap:4px; margin:0 0 4px; }
#yi2c-collage-mobile .yi2c-workspace-history .btn { min-height:30px; padding:4px 9px; background:#fff; color:#333; border:1px solid #d8d8d8; font:11px/1.2 Arial,sans-serif; }
#yi2c-collage-mobile .yi2c-desktop-empty-state { background:#fff; border:1px solid #d8d8d8; color:#000; box-shadow:none; }
#yi2c-collage-mobile .yi2c-outcome-description { margin:9px 0; color:#555; font:12px/1.45 Arial,sans-serif; }
#yi2c-collage-mobile [hidden] { display:none!important; }
@media(max-width:899px) {
 #yi2c-collage-mobile .yi2c-screen[data-screen="editor"] > .yi2c-builder-header { height:58px; min-height:58px; gap:8px; padding:7px 10px; }
 #yi2c-collage-mobile .yi2c-builder-logo { flex-basis:86px; width:86px; }
 #yi2c-collage-mobile .yi2c-builder-identity strong { font-size:14px; }
 #yi2c-collage-mobile [data-builder-save-status] { max-width:108px; font-size:9px; }
 #yi2c-collage-mobile .yi2c-builder-links { gap:7px; font-size:10px; }
 #yi2c-collage-mobile .yi2c-builder-header .yi2c-help-toggle { flex-basis:28px; width:28px; }
 #yi2c-collage-mobile .yi2c-workspace-history { margin-bottom:3px; }
}

@media(min-width:900px) {
 #yi2c-collage-mobile .yi2c-screen[data-screen="editor"].is-active { min-width:0; grid-template-rows:64px minmax(0,1fr); }
}
@media(min-width:900px) and (max-width:1279px) {
 #yi2c-collage-mobile .yi2c-screen[data-screen="editor"].is-active { grid-template-columns:64px 230px minmax(0,1fr) 280px; }
 #yi2c-collage-mobile .yi2c-sheet:not([data-sheet="adjust"]) { width:230px; }
 #yi2c-collage-mobile .yi2c-stage { padding:16px 14px; }
 #yi2c-collage-mobile .yi2c-desktop-order-panel { padding:18px 12px; }
 #yi2c-collage-mobile .yi2c-desktop-photo-toolbar { grid-template-columns:auto minmax(50px,1fr) 35px auto; gap:4px; }
 #yi2c-collage-mobile .yi2c-desktop-photo-toolbar .btn { min-width:42px; }
 #yi2c-collage-mobile .yi2c-stage > .yi2c-photo-actions { flex-wrap:wrap; }
 #yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay { grid-template-columns:minmax(0,1fr) 340px; max-width:calc(100vw - 32px); }
}

/* Commercial outcome hierarchy, shared by both presentation modes. */
#yi2c-collage-mobile button:is([data-product="canvas"],[data-desktop-product="canvas"]) { border:2px solid #000; font-weight:700; }
#yi2c-collage-mobile button:is([data-product="canvas"],[data-desktop-product="canvas"])[aria-pressed="true"] { background:#000; color:#fff; border-color:#000; }
#yi2c-collage-mobile [data-product="canvas"][aria-pressed="true"] span { color:#fff; }
#yi2c-collage-mobile [data-desktop-product] { min-width:0; white-space:normal; }

/* Inline post-download thanks: occupies the existing review column, never the artwork. */
#yi2c-collage-mobile .yi2c-free-success { border-top:2px solid #b8125c; padding-top:16px; color:#000; background:#fff; }
#yi2c-collage-mobile .yi2c-free-success[hidden],
#yi2c-collage-mobile [data-free-download-intro][hidden],
#yi2c-collage-mobile [data-free-share-link][hidden],
#yi2c-collage-mobile [data-download-status]:empty,
#yi2c-collage-mobile [data-free-action-status]:empty { display:none; }
#yi2c-collage-mobile .yi2c-free-success h2 { margin:0 0 10px; font:500 clamp(26px,3vw,32px)/1.12 var(--yi2c-serif); }
#yi2c-collage-mobile .yi2c-free-success > p { margin:0 0 16px; font:400 14px/1.5 var(--yi2c-sans, Arial, sans-serif); }
#yi2c-collage-mobile .yi2c-free-success-actions { display:grid; gap:9px; }
#yi2c-collage-mobile .yi2c-free-success .btn { min-height:44px; padding:11px 12px; font-size:13px; line-height:1.35; white-space:normal; border-radius:0; }
#yi2c-collage-mobile .yi2c-free-success [data-upgrade-free] { background:#000; color:#fff; border:1px solid #000; }
#yi2c-collage-mobile .yi2c-free-new { background:#fff; color:#000; border:1px solid #000; }
#yi2c-collage-mobile .yi2c-free-share { min-height:44px; padding:8px; font-size:13px; text-decoration:underline; color:#333; background:transparent; border:0; cursor:pointer; }
#yi2c-collage-mobile .yi2c-free-share:disabled { color:#666; cursor:default; text-decoration:none; }
#yi2c-collage-mobile [data-free-share-note] { display:block; margin-top:2px; font-size:11px; line-height:1.4; color:#666; text-align:center; }
#yi2c-collage-mobile [data-free-share-note][hidden] { display:none; }
#yi2c-collage-mobile .yi2c-free-share-link { width:100%; min-width:0; margin-top:8px; font-size:12px; }
#yi2c-collage-mobile .yi2c-screen[data-screen="finish"].is-desktop-review-overlay.has-free-success .yi2c-desktop-review-summary { display:none !important; }
#yi2c-collage-mobile [data-free-success-actions][hidden],
#yi2c-collage-mobile [data-free-new-confirm][hidden] { display:none; }
#yi2c-collage-mobile .yi2c-free-new-confirm { display:grid; gap:9px; }
#yi2c-collage-mobile .yi2c-free-new-confirm p { margin:0 0 4px; font:400 13px/1.5 var(--yi2c-sans, Arial, sans-serif); }