/* Lakoskel web viewer.
   Colours, fonts and shape come from the look (src/look.js sets these from
   themes.json); the values here are Classic, for the first paint. The pages
   (.paper) are never themed: they stay white and printable. */
:root {
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: var(--font-body);
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display-scale: 1;
  --display-weight: 700;
  --radius: 12px;
  --chip-radius: 6px;
  --border-w: 1px;
  --bg: #fdfdfc;
  --panel: #ffffff;
  --panel-2: #f4f5f3;
  --ink: #141716;
  --muted: #5b625e;
  --line: #e3e5e1;
  --line-strong: rgb(20 23 22 / 0.85);
  --accent: #17795a;
  --accent-ink: #ffffff;
  --accent-bg: #dcf1e7;
  --danger: #b3261e;
  --danger-bg: #fbe4e2;
  --mascot: none;
  --trim: none;
  --side-w: 340px;
  --gutter: 16px;
  --focus: 0 0 0 2px var(--panel), 0 0 0 4px var(--accent);
  --paper-shadow: 0 1px 2px rgb(0 0 0 / 0.08), 0 8px 28px rgb(0 0 0 / 0.08);
  --pop-shadow: 0 2px 6px rgb(0 0 0 / 0.08), 0 16px 40px rgb(0 0 0 / 0.14);
  --stage-bg: color-mix(in srgb, var(--bg) 94%, var(--ink) 6%);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #101211;
    --panel: #181b1a;
    --panel-2: #202423;
    --ink: #eceeec;
    --muted: #a3aaa6;
    --line: #2c312f;
    --line-strong: rgb(236 238 236 / 0.85);
    --accent: #5fc79f;
    --accent-ink: #062016;
    --accent-bg: #173b2e;
    --danger: #ffb4ab;
    --danger-bg: #3d1a17;
    --paper-shadow: 0 1px 3px rgb(0 0 0 / 0.5), 0 10px 30px rgb(0 0 0 / 0.35);
    --pop-shadow: 0 2px 6px rgb(0 0 0 / 0.4), 0 16px 40px rgb(0 0 0 / 0.5);
    color-scheme: dark;
  }
}
:root[data-theme='dark'] { color-scheme: dark; }

/* ------------------------------------------------------------ base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 var(--font-body);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: var(--display-weight); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: var(--chip-radius); font-weight: 600; text-decoration: none; }
.skip:focus { top: 10px; }
.muted { color: var(--muted); }
.hint { margin: 6px 0 0; font-size: 12.5px; line-height: 1.45; color: var(--muted); }
kbd {
  font: 600 11px/1 var(--font-mono); padding: 3px 5px; border-radius: 4px; min-width: 18px; display: inline-block; text-align: center;
  background: var(--panel-2); border: 1px solid var(--line); border-bottom-width: 2px; color: var(--ink);
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent-bg); }

/* Ambient decorations: a canvas behind everything, never over content. */
#ambient { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; z-index: 0; pointer-events: none; }

/* ------------------------------------------------------------ buttons */
button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: default; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 34px;
  font-weight: 600; font-size: 13.5px; white-space: nowrap; line-height: 1;
  padding: 0 12px; border-radius: var(--chip-radius);
  background: var(--panel); color: var(--ink); border: var(--border-w) solid var(--line);
  transition: background-color 0.12s, border-color 0.12s, transform 0.18s;
}
.btn:hover:not(:disabled) { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: color-mix(in srgb, var(--accent) 6%, var(--panel)); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 88%, var(--ink)); border-color: transparent; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--accent); }
.btn.ghost:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.btn.small { min-height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn:disabled { opacity: 0.45; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 34px; height: 34px; padding: 0 8px;
  border-radius: var(--chip-radius); border: var(--border-w) solid transparent; background: transparent; color: var(--ink);
}
.icon-btn:hover:not(:disabled) { background: var(--panel-2); }
.icon-btn[aria-expanded='true'] { background: var(--panel-2); border-color: var(--line); }
.icon-btn .btn-text { font-weight: 600; font-size: 13px; }

/* Look shapes. */
[data-border='thick'] .btn { border-width: 2px; border-color: var(--line-strong); box-shadow: 2px 2px 0 var(--line-strong); }
[data-border='thick'] .side, [data-border='thick'] .bar { border-color: var(--line-strong); }
[data-border='thick'] .gen-card, [data-border='thick'] .card { border: 2px solid var(--line-strong); box-shadow: 3px 3px 0 var(--line-strong); }
[data-border='inked'] .gen-card, [data-border='inked'] .card { border-color: color-mix(in srgb, var(--line-strong) 45%, transparent); }
[data-border='glow'] .gen-card, [data-border='glow'] .card { border-color: color-mix(in srgb, var(--accent) 45%, transparent); box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 18%, transparent); }
[data-border='carved'] .gen-card { border-color: color-mix(in srgb, var(--line-strong) 55%, transparent); clip-path: polygon(10px 0, calc(100% - 10px) 0, 100% 10px, 100% calc(100% - 10px), calc(100% - 10px) 100%, 10px 100%, 0 calc(100% - 10px), 0 10px); }
[data-motion='bouncy'] .btn:active:not(:disabled) { transform: scale(0.95); }

/* ------------------------------------------------------------ shell */
.shell { position: relative; z-index: 1; height: 100vh; height: 100dvh; display: grid; grid-template-rows: auto minmax(0, 1fr); }
.bar {
  display: flex; align-items: center; gap: 12px; padding: 8px var(--gutter);
  background: var(--panel); border-bottom: var(--border-w) solid var(--line); min-height: 56px;
}
.brand { display: inline-flex; align-items: center; color: var(--ink); text-decoration: none; border-radius: 8px; }
.brand-slot { display: inline-flex; align-items: center; height: 32px; }
.brand .lockup { height: 32px; width: auto; display: block; }
.brand-word { font: var(--display-weight) calc(20px * var(--display-scale))/1 var(--font-display); }
.tag {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted);
  border: 1px solid var(--line); border-radius: 99px; padding: 2px 8px;
}
.modes { display: inline-flex; gap: 2px; padding: 3px; margin-left: 12px; background: var(--panel-2); border-radius: calc(var(--chip-radius) + 3px); }
.mode { border: 0; background: transparent; padding: 6px 12px; border-radius: var(--chip-radius); font-weight: 600; font-size: 13px; color: var(--muted); }
.mode:hover { color: var(--ink); }
.mode[aria-pressed='true'] { background: var(--panel); color: var(--ink); box-shadow: 0 1px 2px rgb(0 0 0 / 0.12); }
.bar-end { margin-left: auto; display: flex; align-items: center; gap: 4px; }

/* Popover menus. */
.menu-wrap { position: relative; }
.popover {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 30; min-width: 220px; padding: 6px;
  background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--pop-shadow);
}
.menu { display: flex; flex-direction: column; gap: 1px; }
.menu [role^='menuitem'] {
  display: flex; align-items: center; gap: 10px; text-align: left; width: 100%;
  border: 0; background: transparent; padding: 8px 10px; border-radius: var(--chip-radius); font-size: 13.5px;
}
.menu [role^='menuitem']:hover, .menu [role^='menuitem']:focus-visible { background: var(--panel-2); outline-offset: -2px; }
.menu [role='menuitem'] { flex-direction: column; align-items: flex-start; gap: 1px; }
.menu [role='menuitem'] span { font-size: 12px; color: var(--muted); }
.menu [role='menuitemradio'][aria-checked='true'] { background: var(--accent-bg); font-weight: 600; }
.menu [role='menuitemradio'][aria-checked='true']::after { content: '✓'; margin-left: auto; color: var(--accent); font-weight: 700; }
.swatch { width: 20px; height: 20px; border-radius: 50%; flex: none; box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.18); }
.look-note { font-size: 11px; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 0 6px; }
.menu-check { display: flex; gap: 8px; align-items: center; padding: 8px 10px 4px; margin-top: 4px; border-top: 1px solid var(--line); font-size: 13px; }
.menu-check input { accent-color: var(--accent); width: 16px; height: 16px; }

/* ------------------------------------------------------------ layout */
.layout { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: 0; }
.side {
  min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 16px var(--gutter) 28px;
  border-right: var(--border-w) solid var(--line); background: color-mix(in srgb, var(--panel) 92%, transparent);
  display: flex; flex-direction: column; gap: 18px; scrollbar-gutter: stable;
}
.drawer-head { display: none; }

/* The chosen page: a card that opens the gallery. */
.gen-card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 10px; }
.gen-card::after { content: ''; position: absolute; right: -6px; bottom: -6px; width: 18px; height: 18px; background: var(--trim) no-repeat center / contain; opacity: 0.85; pointer-events: none; }
.gen-pick { display: flex; gap: 12px; align-items: center; width: 100%; text-align: left; border: 0; background: transparent; padding: 2px; border-radius: calc(var(--radius) - 4px); }
.gen-pick:hover .gen-change { color: var(--accent); text-decoration: underline; }
.gen-pick .thumb { width: 58px; flex: none; }
.gen-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); }
.gen-title { font: var(--display-weight) calc(17px * var(--display-scale))/1.25 var(--font-display); }
.gen-change { font-size: 12.5px; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.gen-change kbd { font-size: 10px; padding: 2px 4px; }
.gen-desc { margin: 8px 2px 0; font-size: 12.5px; color: var(--muted); line-height: 1.45; }

/* Thumbnails (gallery and the card): a small page on a soft ground. */
.thumb {
  display: block; aspect-ratio: 3 / 4; border-radius: 6px; overflow: hidden; background: #fff;
  box-shadow: 0 0 0 1px var(--line), 0 1px 3px rgb(0 0 0 / 0.08);
}
.thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.thumb.loading, .shimmer { background: linear-gradient(100deg, var(--panel-2) 30%, color-mix(in srgb, var(--panel-2) 50%, var(--panel)) 50%, var(--panel-2) 70%) 0 0 / 300% 100%; animation: shimmer 1.4s linear infinite; }
.thumb.none { background: var(--panel-2); }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: -50% 0; } }

/* ------------------------------------------------------------ options */
.opts-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.opts-head h2, .side-title { font-size: 15px; }
.group { display: flex; flex-direction: column; gap: 16px; }
.field { position: relative; }
.field-head { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; min-height: 22px; position: relative; }
.field-label { font-size: 13px; font-weight: 600; }
.field-switch .field-head { margin: 0; }
.info {
  width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--line); background: var(--panel);
  color: var(--muted); font: italic 700 11px/1 Georgia, serif; display: inline-grid; place-items: center; padding: 0; flex: none;
}
.info:hover, .info:focus-visible { color: var(--accent); border-color: var(--accent); }
.tip {
  position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 20; display: none;
  background: var(--ink); color: var(--bg); font-size: 12.5px; line-height: 1.45; font-weight: 400; padding: 8px 10px; border-radius: 8px; box-shadow: var(--pop-shadow);
}
.tip.open { display: block; }
.slider-value { margin-left: auto; font: 600 12.5px/1 var(--font-mono); color: var(--accent); background: var(--accent-bg); padding: 3px 7px; border-radius: 99px; min-width: 34px; text-align: center; }
.field-head .switch.auto { margin-left: auto; }
.field-head .slider-value + .switch.auto { margin-left: 8px; }
.is-auto .slider-value { opacity: 0.4; }

input[type='text'], input[type='number'], select, textarea {
  width: 100%; font: inherit; font-size: 14px; color: var(--ink); background: var(--panel);
  border: var(--border-w) solid var(--line); border-radius: var(--chip-radius); padding: 7px 10px; min-height: 36px;
}
select { appearance: none; padding-right: 30px; cursor: pointer;
  background: var(--panel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5 6 7.5 9 4.5' fill='none' stroke='%23888' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 10px center / 12px; }
input:hover:not(:disabled), select:hover:not(:disabled), textarea:hover { border-color: color-mix(in srgb, var(--ink) 30%, var(--line)); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
input:disabled, select:disabled { opacity: 0.5; cursor: default; }
textarea.json { font: 12px/1.45 var(--font-mono); resize: vertical; }
[aria-invalid='true'] { border-color: var(--danger) !important; }

/* Chips: radio groups that look like buttons; segmented when short. */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { position: relative; display: inline-flex; }
.chip-input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 99px; font-size: 13px; font-weight: 500;
  border: var(--border-w) solid var(--line); background: var(--panel); transition: background-color 0.12s, border-color 0.12s;
}
.chip:hover span { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.chip-input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.chip-input:checked + span::before { content: '✓'; margin-right: 5px; font-size: 11px; }
.chip-input:focus-visible + span { box-shadow: var(--focus); }
.chip-input:disabled + span { opacity: 0.45; }
.chips.segmented { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 2px; padding: 3px; background: var(--panel-2); border-radius: calc(var(--chip-radius) + 3px); }
.chips.segmented .chip span { width: 100%; justify-content: center; padding: 0 4px; border: 0; border-radius: var(--chip-radius); background: transparent; font-size: 12.5px; }
.chips.segmented .chip-input:checked + span { background: var(--panel); color: var(--ink); box-shadow: 0 1px 2px rgb(0 0 0 / 0.15), inset 0 -2px 0 var(--accent); }
.chips.segmented .chip-input:checked + span::before { content: none; }
.chips.segmented .chip-input:focus-visible + span { box-shadow: var(--focus); }

/* Switches (booleans, "Auto"). */
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; font-weight: 600; position: relative; }
.switch.auto { font-size: 12px; font-weight: 500; color: var(--muted); gap: 6px; }
.switch-input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
.switch-track { width: 34px; height: 20px; border-radius: 99px; background: color-mix(in srgb, var(--ink) 22%, var(--panel)); position: relative; flex: none; transition: background-color 0.15s; }
.switch.auto .switch-track { width: 28px; height: 16px; }
.switch-track::after { content: ''; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgb(0 0 0 / 0.3); transition: transform 0.15s; }
.switch.auto .switch-track::after { width: 12px; height: 12px; }
.switch-input:checked + .switch-track { background: var(--accent); }
.switch-input:checked + .switch-track::after { transform: translateX(14px); }
.switch.auto .switch-input:checked + .switch-track::after { transform: translateX(12px); }
.switch-input:focus-visible + .switch-track { box-shadow: var(--focus); }

/* Sliders. */
.slider { display: flex; align-items: center; gap: 8px; }
.slider .end { font-size: 11px; color: var(--muted); min-width: 14px; text-align: center; }
input[type='range'] { flex: 1; min-width: 0; accent-color: var(--accent); height: 22px; margin: 0; cursor: pointer; }

/* More options, paper, JSON. */
.more { border-top: 1px solid var(--line); padding-top: 4px; margin-top: 16px; }
.more > summary, .raw-json > summary, .meta > summary, .error-detail > summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; gap: 8px; padding: 10px 0; font-weight: 600; font-size: 13px; color: var(--ink);
}
.more > summary::-webkit-details-marker, .raw-json > summary::-webkit-details-marker, .meta > summary::-webkit-details-marker, .error-detail > summary::-webkit-details-marker { display: none; }
.more > summary::before, .raw-json > summary::before, .meta > summary::before, .error-detail > summary::before {
  content: ''; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(-45deg); transition: transform 0.15s; margin: 0 2px;
}
.more[open] > summary::before, .raw-json[open] > summary::before, .meta[open] > summary::before, .error-detail[open] > summary::before { transform: rotate(45deg); }
.more .count { font-size: 11px; font-weight: 600; color: var(--muted); background: var(--panel-2); border-radius: 99px; padding: 1px 7px; }
.more > .group { padding: 6px 0 4px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.mini { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.raw { margin-top: 14px; }
.raw-json > summary { font-weight: 500; color: var(--muted); }
.raw-json textarea { margin-bottom: 8px; }
.field-error { color: var(--danger); }

/* ------------------------------------------------------------ stage */
.stage { min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--stage-bg); position: relative; }
.stage:focus { outline: none; }
.actionbar {
  display: flex; align-items: center; gap: 10px 16px; flex-wrap: wrap; padding: 10px 20px;
  background: color-mix(in srgb, var(--panel) 88%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px);
}
.seed-group { display: flex; align-items: center; gap: 6px; }
.seed-label { font-size: 12px; font-weight: 600; color: var(--muted); }
#seed { width: 13ch; font-family: var(--font-mono); font-size: 13px; min-height: 34px; }
.tabs { display: inline-flex; gap: 2px; padding: 3px; background: var(--panel-2); border-radius: calc(var(--chip-radius) + 3px); }
.tab { border: 0; background: transparent; padding: 6px 12px; border-radius: var(--chip-radius); font-weight: 600; font-size: 13px; color: var(--muted); white-space: nowrap; }
.tab:hover { color: var(--ink); }
.tab[aria-selected='true'] { background: var(--panel); color: var(--ink); box-shadow: 0 1px 2px rgb(0 0 0 / 0.15), inset 0 -2px 0 var(--accent); }
.actions-end { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.zoom { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: var(--chip-radius); background: var(--panel); }
.zoom .icon-btn { height: 32px; min-width: 32px; border-radius: 0; }
.zoom-level { border: 0; background: transparent; font: 600 12px/1 var(--font-mono); min-width: 48px; height: 32px; padding: 0 4px; border-inline: 1px solid var(--line); }
.zoom-level:hover { background: var(--panel-2); }

.subbar { display: flex; align-items: center; gap: 8px 16px; flex-wrap: wrap; padding: 12px 24px 4px; }
.status-row { display: flex; align-items: center; gap: 6px; margin-left: auto; min-height: 30px; font-size: 12.5px; color: var(--muted); }
.tabs[hidden] + .status-row { margin-left: 0; }
.spinner { display: inline-flex; width: 20px; height: 20px; align-items: center; justify-content: center; visibility: hidden; }
body.busy .spinner { visibility: visible; }
.spinner .ring { width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.9s linear infinite; }
.spinner[data-move='spin'] svg { animation: spin 1.6s linear infinite; }
.spinner[data-move='bounce'] svg { animation: bounce 0.9s ease-in-out infinite; }
.spinner[data-move='bob'] svg { animation: bob 0.9s ease-in-out infinite; }
.spinner[data-move='pulse'] svg { animation: pulse 1.4s ease-in-out infinite; }
.spinner[data-move='flip'] svg { animation: flip 3.2s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px) scaleY(1.05); } }
@keyframes bob { 0%, 100% { transform: translateY(-2px); } 50% { transform: translateY(2px); } }
@keyframes pulse { 0%, 100% { opacity: 0.6; transform: scale(0.88); } 50% { opacity: 1; transform: scale(1); } }
@keyframes flip { 0%, 10% { transform: rotate(0); } 30%, 60% { transform: rotate(180deg); } 80%, 100% { transform: rotate(360deg); } }

.viewport { flex: 1; min-height: 0; overflow: auto; padding: 8px 24px 24px; overscroll-behavior: contain; }
.pages { display: flex; gap: 24px; justify-content: center; align-items: flex-start; }
.pages.zoomed { justify-content: flex-start; }
.pages.zoomed::after { content: ''; flex: 0 0 1px; }
.page { margin: 0; width: var(--page-w, 480px); flex: none; }
.page figcaption { font-size: 12px; font-weight: 600; color: var(--muted); margin: 0 0 8px; letter-spacing: 0.02em; }
.pages:not(.both) .page figcaption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.paper { background: #fff; box-shadow: var(--paper-shadow); border-radius: 3px; line-height: 0; transition: opacity 0.2s; overflow: hidden; }
.paper svg { width: 100%; height: auto; display: block; }
.placeholder .paper { aspect-ratio: 612 / 792; }
body.busy .page:not(.placeholder) .paper { opacity: 0.55; }

.meta { max-width: 720px; margin: 28px auto 0; color: var(--muted); }
.meta > summary { color: var(--muted); font-weight: 500; justify-content: center; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 4px 0 12px; font-size: 12.5px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; color: var(--ink); font-family: var(--font-mono); font-size: 12px; overflow-wrap: anywhere; }
.meta pre { font: 12px/1.45 var(--font-mono); background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: var(--chip-radius); padding: 10px; overflow: auto; max-height: 320px; margin: 0; }

/* Errors: friendly first, details on request. */
.error {
  display: flex; gap: 14px; margin: 12px 20px 0; padding: 14px 16px; border-radius: var(--radius);
  background: var(--danger-bg); color: var(--ink); border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent);
}
.error .mascot { width: 40px; height: 40px; flex: none; background: var(--mascot) no-repeat center / contain; }
.error strong { display: block; font-size: 15px; color: var(--danger); margin-bottom: 2px; }
.error p { margin: 0; font-size: 13.5px; }
.error-actions { display: flex; gap: 8px; margin-top: 10px; }
.error-detail { margin-top: 6px; }
.error-detail > summary { font-weight: 500; font-size: 12px; color: var(--muted); padding: 6px 0 2px; }
.error-detail code { display: block; font: 12px/1.45 var(--font-mono); overflow-wrap: anywhere; color: var(--muted); }

/* The animation player, as a tab of the stage. */
.player { display: flex; gap: 24px; align-items: flex-start; justify-content: center; flex-wrap: wrap; padding-top: 12px; }
.player-view { flex: 0 1 auto; width: min(440px, 100%); background: #fff; box-shadow: var(--paper-shadow); border-radius: var(--radius); overflow: hidden; line-height: 0; }
.player-view canvas { width: 100%; height: auto; aspect-ratio: 1; display: block; cursor: pointer; }
.player.busy .player-view { background: linear-gradient(100deg, #f1f1ef 30%, #fafaf9 50%, #f1f1ef 70%) 0 0 / 300% 100%; animation: shimmer 1.4s linear infinite; }
.player.busy .player-view canvas { opacity: 0.5; }
.player-controls { flex: 0 1 320px; min-width: 260px; display: flex; flex-direction: column; gap: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.transport { display: flex; align-items: center; gap: 10px; }
.transport #play { min-width: 76px; }
.player-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mini-field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; color: var(--muted); }
.player-save { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding-top: 12px; border-top: 1px solid var(--line); }
.player-save .muted { font-size: 12px; font-weight: 600; width: 100%; }
.tabular { font-variant-numeric: tabular-nums; font-size: 12px; min-width: 52px; text-align: right; }

/* ------------------------------------------------------------ dialogs */
dialog {
  border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); padding: 0; background: var(--panel); color: var(--ink);
  box-shadow: var(--pop-shadow); max-height: min(86vh, 860px);
}
dialog::backdrop { background: rgb(10 12 11 / 0.45); backdrop-filter: blur(2px); }
dialog[open] { animation: rise 0.18s ease-out; }
@keyframes rise { from { opacity: 0; transform: translateY(8px) scale(0.99); } }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 16px 8px 22px; position: sticky; top: 0; background: var(--panel); z-index: 1; }
.dialog-head h2 { font-size: calc(19px * var(--display-scale)); }
.gallery { width: min(960px, calc(100vw - 32px)); }
.gallery-body { padding: 0 22px 24px; display: flex; flex-direction: column; gap: 22px; }
.cards-group h3 { font-size: 14px; }
.cards-group > .hint { margin: 2px 0 10px; }
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.card {
  display: flex; gap: 14px; align-items: flex-start; width: 100%; height: 100%; text-align: left; padding: 12px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); transition: border-color 0.12s, box-shadow 0.12s, transform 0.12s;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); box-shadow: 0 4px 16px rgb(0 0 0 / 0.08); transform: translateY(-1px); }
.card.current { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); background: color-mix(in srgb, var(--accent-bg) 45%, var(--panel)); }
.card .thumb { width: 84px; flex: none; }
.card-text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.card-title { font: var(--display-weight) calc(15px * var(--display-scale))/1.25 var(--font-display); }
.card.current .card-title::after { content: ' · chosen'; font: 500 12px var(--font-body); color: var(--accent); }
.card-blurb { font-size: 12.5px; color: var(--muted); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.badges { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
.badge { font-size: 11px; font-weight: 600; color: var(--ink); background: var(--panel-2); border: 1px solid var(--line); border-radius: 99px; padding: 1px 8px; }
.help { width: min(420px, calc(100vw - 32px)); }
.keys { display: grid; grid-template-columns: max-content 1fr; gap: 10px 16px; margin: 4px 22px 8px; align-items: center; font-size: 13.5px; }
.keys dt { display: flex; gap: 4px; }
.keys dd { margin: 0; }
.help .hint { padding: 8px 22px 18px; margin: 0; }

/* ------------------------------------------------------------ pose explorer */
.pose-side .group { margin-top: 4px; }
.seed-inline { display: flex; gap: 6px; }
.seed-inline input { font-family: var(--font-mono); }
.pose-stage { align-items: center; justify-content: center; gap: 16px; padding: 24px; overflow: auto; }
.pose-figure { margin: 0; width: min(560px, 100%, calc(100dvh - 220px)); }
.pose-out { aspect-ratio: 1; border-radius: var(--radius); }
.pose-out.busy { opacity: 0.55; }
.pose-figure figcaption { text-align: center; margin-top: 10px; }

/* ------------------------------------------------------------ phones */
.mobile-bar, .scrim { display: none; }
@media (max-width: 1080px) {
  .actionbar { padding: 10px 16px; }
  .btn-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
}
@media (max-width: 760px) {
  :root { --gutter: 12px; }
  .bar { gap: 8px; min-height: 52px; padding-block: 6px; }
  .brand-slot, .brand .lockup { height: 26px; }
  .tag { display: none; }
  .modes { margin-left: auto; }
  .mode { padding: 6px 9px; font-size: 12.5px; }
  .bar-end { margin-left: 0; }
  #help-btn { display: none; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .side {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; max-height: 86dvh; padding: 0 16px calc(24px + env(safe-area-inset-bottom));
    border: 0; border-radius: 18px 18px 0 0; background: var(--panel); box-shadow: 0 -12px 40px rgb(0 0 0 / 0.25);
    transform: translateY(105%); visibility: hidden; transition: transform 0.25s ease, visibility 0s linear 0.25s;
  }
  body[data-drawer='open'] .side { transform: none; visibility: visible; transition: transform 0.25s ease; }
  .drawer-head { display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 2; background: var(--panel); padding: 14px 0 6px; margin-bottom: -6px; }
  .drawer-head::before { content: ''; position: absolute; top: 6px; left: 50%; width: 36px; height: 4px; margin-left: -18px; border-radius: 4px; background: var(--line); }
  .drawer-title { font-size: 16px; }
  .opts-head h2 { display: none; }
  .scrim { display: block; position: fixed; inset: 0; z-index: 39; background: rgb(10 12 11 / 0.45); }
  .scrim[hidden] { display: none; }
  .actionbar { padding: 8px 12px; gap: 8px; }
  #seed { flex: 1 1 60px; width: 60px; min-width: 0; }
  .seed-label { display: none; }
  .tabs { flex: 1 1 100%; }
  .tab { flex: 1; padding: 6px 8px; }
  .seed-group { flex: 1 1 auto; }
  .zoom { display: none; }
  .actions-end { margin-left: auto; }
  .subbar { padding: 8px 12px 2px; }
  .status-row { margin-left: 0; width: 100%; }
  .opts-head { justify-content: flex-end; margin: 0 0 -8px; }
  .error { margin: 10px 12px 0; }
  .viewport { padding: 6px 12px calc(84px + env(safe-area-inset-bottom)); }
  .mobile-bar {
    display: flex; gap: 8px; position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 30;
    padding: 6px; border-radius: 16px; background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--line); box-shadow: var(--pop-shadow); backdrop-filter: blur(8px);
  }
  .mobile-bar .btn { flex: 1; min-height: 42px; }
  .player { gap: 14px; }
  .player-controls { flex-basis: 100%; }
  .pose-layout { grid-template-columns: minmax(0, 1fr); grid-auto-rows: max-content; overflow-y: auto; }
  .pose-layout .side { position: static; transform: none; visibility: visible; max-height: none; border-radius: 0; box-shadow: none; padding: 16px; order: 2; overflow: visible; }
  .pose-stage { order: 1; padding: 16px 12px 4px; overflow: visible; justify-content: flex-start; }
  .pose-figure { width: 100%; }
  .gallery { width: 100vw; max-width: 100vw; max-height: 92dvh; margin: auto 0 0; border-radius: 18px 18px 0 0; }
  .gallery-body { padding: 0 14px 24px; }
  .cards { grid-template-columns: 1fr; }
  .card .thumb { width: 64px; }
}

/* ------------------------------------------------------------ motion & print */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .thumb.loading, .shimmer { animation: none; }
}

@media print {
  html, body { height: auto; overflow: visible; background: #fff !important; }
  .shell { display: block; height: auto; }
  #ambient, .skip, .bar, .side, .actionbar, .subbar, .error, .player, .meta, .mobile-bar, .scrim, #view-pose, dialog, figcaption,
  .page:not(.print) { display: none !important; }
  .layout, .stage, .viewport, .pages { display: block !important; overflow: visible !important; padding: 0 !important; margin: 0 !important; background: none !important; height: auto !important; }
  .page.print { display: block !important; width: 100% !important; margin: 0; break-after: page; break-inside: avoid; }
  .page.print:last-of-type { break-after: auto; }
  .paper { box-shadow: none !important; border-radius: 0; opacity: 1 !important; }
}

/* ------------------------------------------------------------ jigsaw */
.jig-side .group { margin-top: 4px; }
.jig-side [hidden] { display: none; }
.jig-side:not(.rotating) .jig-rot-hint { display: none; }
.jig-stage { padding: 0; }
.jig-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 8px var(--gutter);
  background: var(--panel); border-bottom: var(--border-w) solid var(--line);
}
.jig-stat { font: 600 14px/1 var(--font-mono); color: var(--ink); padding: 6px 10px; background: var(--panel-2); border-radius: var(--chip-radius); }
.jig-tools { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; }
.jig-tools .btn[aria-pressed='true'] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.jig-table { position: relative; flex: 1 1 auto; min-height: 0; overflow: hidden; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
#jig-canvas, #jig-fx { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
#jig-canvas { cursor: grab; }
#jig-canvas.dragging { cursor: grabbing; }
#jig-fx { pointer-events: none; }
.jig-pieces button { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; padding: 0; }
.jig-busy {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 10px; font-weight: 600;
  background: color-mix(in srgb, var(--stage-bg) 70%, transparent); color: var(--ink);
}
.jig-busy[hidden], .jig-done[hidden] { display: none; }
.jig-ring { width: 18px; height: 18px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.9s linear infinite; }
.jig-done {
  position: absolute; left: 50%; top: 16px; transform: translateX(-50%); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: center;
  padding: 10px 16px; border-radius: var(--radius); background: var(--panel); color: var(--ink); box-shadow: var(--pop-shadow); border: 1px solid var(--accent);
  max-width: calc(100% - 24px);
}
.jig-done strong { font: var(--display-weight) calc(18px * var(--display-scale))/1.2 var(--font-display); color: var(--accent); }
@media (max-width: 760px) {
  .jig-layout { grid-template-columns: minmax(0, 1fr); grid-auto-rows: max-content; overflow-y: auto; }
  .jig-layout .side { position: static; transform: none; visibility: visible; max-height: none; border-radius: 0; box-shadow: none; padding: 16px; order: 2; overflow: visible; }
  .jig-stage { order: 1; height: calc(100dvh - 52px); min-height: 420px; }
  .jig-bar { padding: 6px 10px; gap: 6px 8px; }
  .jig-stat { font-size: 13px; padding: 5px 8px; }
}
.jig-stat .tabular { font-size: inherit; min-width: 0; text-align: left; }
.jig-tool { gap: 6px; }
.jig-tool svg { flex: none; }
#jig-zoom-level { font: 600 12px/1 var(--font-mono); min-width: 3ch; }
@media (max-width: 760px) {
  .wide-only { display: none; }
  .jig-bar { flex-wrap: nowrap; gap: 6px; }
  .jig-stat { flex: none; }
  .jig-zoom { display: none; }
  .jig-tools { gap: 4px; flex: none; }
  .jig-tools .jig-tool { min-width: 44px; min-height: 44px; padding: 0 10px; justify-content: center; }
  .jig-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}