:root {
  --bg: #fff7f4;
  --panel: #fffdfc;
  --ink: #3b2c31;
  --muted: #8d7d83;
  --line: #eadfe0;
  --green: #57a98b;
  --green-dark: #38846b;
  --green-soft: #e7f5ef;
  --coral: #ee7d8d;
  --yellow: #f1c66e;
  --pink-soft: #fff0f2;
  --lilac: #a999d5;
  --shadow: 0 14px 35px rgba(112, 72, 83, .1);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { min-width: 320px; overflow: hidden; background: var(--bg); }
button, input, select { font: inherit; }
button { color: inherit; }

.app-header {
  height: 68px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,253,252,.96); border-bottom: 1px solid var(--line); position: relative; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; transform: rotate(2deg); }
.brand-mark i { border-radius: 50%; background: var(--green); border: 2px solid #fff; box-shadow: 0 0 0 1px rgba(117,76,88,.12); animation: bead-breathe 3.2s ease-in-out infinite; }
.brand-mark i:nth-child(3n) { animation-delay: .45s; }
.brand-mark i:nth-child(2), .brand-mark i:nth-child(6) { background: var(--coral); }
.brand-mark i:nth-child(7) { background: var(--yellow); }
.brand strong { display: block; font-size: 17px; line-height: 1.15; }
.brand small { display: block; font-size: 8px; color: var(--muted); margin-top: 3px; letter-spacing: 1.2px; }
.header-actions, .view-controls, .tool-group { display: flex; align-items: center; gap: 8px; }
.local-badge { color: var(--muted); font-size: 12px; margin-right: 10px; }
.local-badge span { display: inline-block; width: 7px; height: 7px; background: #4ba878; border-radius: 50%; margin-right: 5px; }

/* Small original sticker mascots: a bow cat and a round little bead friend. */
.cute-buddies { display: flex; align-items: flex-end; gap: 5px; margin-right: 5px; }
.sticker-cat, .sticker-bun { display: block; position: relative; animation: sticker-float 4.2s ease-in-out infinite; }
.sticker-cat { width: 32px; height: 29px; border: 2px solid #47353a; border-radius: 46% 46% 42% 42%; background: #fff; transform: rotate(-3deg); }
.sticker-cat::before, .sticker-cat::after { content: ""; position: absolute; top: -8px; width: 12px; height: 13px; border: 2px solid #47353a; background: #fff; z-index: -1; }
.sticker-cat::before { left: 1px; transform: rotate(-27deg); clip-path: polygon(0 100%, 15% 0, 100% 100%); }
.sticker-cat::after { right: 1px; transform: rotate(27deg); clip-path: polygon(0 100%, 85% 0, 100% 100%); }
.cat-ear { display: none; }
.cat-eye, .bun-eye { position: absolute; width: 3px; height: 4px; border-radius: 50%; background: #47353a; top: 12px; }
.cat-eye.left { left: 9px; }.cat-eye.right { right: 9px; }
.cat-nose { position: absolute; width: 3px; height: 3px; background: var(--coral); border-radius: 50%; top: 18px; left: 14px; }
.sticker-cat b { position: absolute; width: 11px; height: 8px; right: -8px; top: 14px; background: var(--coral); border: 1px solid #b95a6a; border-radius: 8px 2px 8px 2px; transform: rotate(22deg); }
.sticker-cat b::after { content: ""; position: absolute; width: 4px; height: 4px; border-radius: 50%; background: var(--yellow); left: 3px; top: 1px; }
.sticker-bun { width: 28px; height: 26px; border: 2px solid #614b5b; border-radius: 47% 47% 43% 43%; background: #f7d9c5; animation-delay: .8s; }
.sticker-bun::before, .sticker-bun::after { content: ""; position: absolute; top: -5px; width: 9px; height: 9px; border: 2px solid #614b5b; background: #f7d9c5; border-radius: 60% 40% 45% 45%; z-index: -1; }
.sticker-bun::before { left: 2px; transform: rotate(-25deg); }.sticker-bun::after { right: 2px; transform: rotate(25deg); }
.bun-eye.left { left: 8px; }.bun-eye.right { right: 8px; }
.bun-cheek { position: absolute; width: 5px; height: 3px; border-radius: 50%; background: #ee958e; top: 17px; }.bun-cheek.left { left: 3px; }.bun-cheek.right { right: 3px; }
@keyframes sticker-float { 0%,100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-3px) rotate(2deg); } }
@keyframes bead-breathe { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }

.button { height: 38px; border-radius: 11px; border: 1px solid var(--line); padding: 0 16px; cursor: pointer; background: #fff; font-weight: 650; font-size: 13px; transition: transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s ease, background .22s ease; }
.button:hover:not(:disabled) { transform: translateY(-2px); border-color: #d5aeb6; box-shadow: 0 7px 14px rgba(174,104,120,.13); }
.button:active:not(:disabled) { transform: translateY(0) scale(.97); }
.button:disabled, .icon-button:disabled { opacity: .4; cursor: not-allowed; }
.button.primary { color: #fff; background: var(--coral); border-color: var(--coral); box-shadow: 0 5px 12px rgba(238,125,141,.18); }
.button.primary::after { content: "  ✦"; font-size: 10px; opacity: .8; }
.button.primary:hover:not(:disabled) { background: var(--green-dark); }
.button.secondary { background: #fff; }
.button.full { width: 100%; }

.workspace { display: grid; grid-template-columns: 280px minmax(420px, 1fr) 270px; height: calc(100vh - 68px); min-height: 540px; background: var(--bg); }
.sidebar { background: var(--panel); overflow: auto; }
.controls-panel { padding: 24px 20px 30px; border-right: 1px solid var(--line); background: rgba(255,253,252,.92); }
.materials-panel { border-left: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; background: rgba(255,253,252,.96); }
.panel-heading { display: flex; gap: 10px; margin-bottom: 18px; }
.panel-heading.compact { margin-bottom: 16px; }
.step-number { flex: 0 0 30px; height: 22px; border-radius: 9px; color: var(--coral); background: var(--pink-soft); display: grid; place-items: center; font-weight: 800; font-size: 11px; margin-top: 1px; }
h1, h2, p { margin: 0; }
.panel-heading h2, .materials-header h2 { font-size: 15px; letter-spacing: 0; }
.panel-heading p, .materials-header p { color: var(--muted); font-size: 11px; margin-top: 4px; }

.upload-zone { width: 100%; height: 78px; border: 1px dashed #d2b6be; border-radius: 14px; background: #fff8f8; display: flex; align-items: center; gap: 13px; padding: 12px; text-align: left; cursor: pointer; transition: transform .22s cubic-bezier(.2,.8,.2,1), background .22s ease, border-color .22s ease; }
.upload-zone:hover, .upload-zone.dragging { background: var(--green-soft); border-color: var(--green); transform: translateY(-2px) rotate(-.4deg); }
.upload-icon { flex: 0 0 38px; height: 38px; display: grid; place-items: center; border-radius: 13px; background: #fff; color: var(--coral); box-shadow: 0 3px 9px rgba(148,83,99,.1); }
.upload-icon svg, .convert-button svg, .icon-button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.upload-zone strong, .upload-zone small { display: block; }
.upload-zone strong { font-size: 13px; }
.upload-zone small { color: var(--muted); font-size: 10px; margin-top: 4px; }
.text-button { width: 100%; border: 0; background: none; color: var(--coral); font-size: 11px; cursor: pointer; padding: 9px 0 14px; transition: transform .2s ease; }
.text-button:hover { transform: translateX(3px); }

.field-group { display: grid; gap: 10px; }
.two-cols { grid-template-columns: 1fr 1fr; }
.field { display: block; margin: 0 0 14px; }
.field > span { display: flex; align-items: center; justify-content: space-between; font-size: 11px; font-weight: 650; margin-bottom: 7px; }
.field output { color: var(--green); }
.field input[type="number"], .field select { width: 100%; height: 36px; padding: 0 10px; border-radius: 10px; color: var(--ink); border: 1px solid var(--line); background: #fff; outline: 0; font-size: 12px; }
.field input:focus, .field select:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(23,120,91,.1); }
.check-row { min-height: 28px; display: flex; align-items: center; gap: 8px; font-size: 11px; cursor: pointer; }
.check-row input { accent-color: var(--green); }
.switch-row { justify-content: space-between; margin: 4px 0 12px; }
.switch-row span b, .switch-row span small { display: block; }
.switch-row span b { font-size: 11px; }
.switch-row span small { color: var(--muted); font-size: 9px; margin-top: 3px; }
input[role="switch"] { appearance: none; width: 34px; height: 19px; border-radius: 10px; background: #cdd3cf; position: relative; transition: .2s; cursor: pointer; }
input[role="switch"]::after { content: ""; position: absolute; width: 15px; height: 15px; left: 2px; top: 2px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: .2s; }
input[role="switch"]:checked { background: var(--green); }
input[role="switch"]:checked::after { transform: translateX(15px); }
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); padding: 3px; border-radius: 11px; background: #fff0f1; }
.segmented button { min-width: 0; border: 0; padding: 7px 2px; border-radius: 4px; background: transparent; font-size: 10px; cursor: pointer; color: var(--muted); }
.segmented button.active { background: #fff; color: var(--coral); box-shadow: 0 2px 7px rgba(154,87,104,.12); font-weight: 700; }
.divider { height: 1px; background: var(--line); margin: 18px 0; }
input[type="range"] { accent-color: var(--green); }
.range-field input { width: 100%; margin: 0; }
.similar-color-box { margin: -2px 0 14px; padding: 11px 12px 12px; border: 1px solid #f0dfe1; border-radius: 13px; background: #fff7f7; }
.similar-color-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.similar-color-head b, .similar-color-head small { display: block; }.similar-color-head b { font-size: 11px; }.similar-color-head small { color: var(--muted); font-size: 9px; margin-top: 2px; }.similar-color-head output { min-width: 25px; color: var(--coral); font-size: 11px; text-align: right; }
.similar-choice { display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 6px; color: var(--muted); font-size: 9px; margin: 9px 0; }.similar-choice select { width: 100%; min-width: 0; height: 31px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); padding: 0 7px; font-size: 10px; }
.similar-color-box .button { height: 32px; font-size: 10px; }
.direction-tools { margin: 0 0 12px; }.direction-tools > span { display: block; font-size: 11px; font-weight: 650; margin-bottom: 7px; }.direction-tools > div { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }.direction-tools .button { height: 32px; padding: 0 6px; font-size: 10px; }
.convert-button { width: 100%; height: 44px; background: var(--green-dark); border-color: var(--green-dark); color: #fff; display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 12px; }
.convert-button:hover:not(:disabled) { background: #35423d; border-color: #35423d; }
.hidden { display: none !important; }

.canvas-section { min-width: 0; display: grid; grid-template-rows: 60px 1fr 34px; background: #f5efee; }
.canvas-toolbar { padding: 0 16px; background: #fffdfc; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.source-meta { display: flex; align-items: center; gap: 9px; min-width: 0; }
.file-thumb { width: 36px; height: 36px; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 5px; background: #f3f5f2 center/cover no-repeat; display: grid; place-items: center; color: #a1aaa5; }
.source-meta > span:last-child { min-width: 0; }
.source-meta strong, .source-meta small { display: block; max-width: 210px; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; }
.source-meta strong { font-size: 11px; }
.source-meta small { font-size: 9px; color: var(--muted); margin-top: 3px; }
.icon-button { width: 34px; height: 34px; padding: 0; border: 1px solid var(--line); color: #6c5b61; background: #fff; border-radius: 10px; display: grid; place-items: center; cursor: pointer; transition: transform .2s cubic-bezier(.2,.8,.2,1), background .2s ease, border-color .2s ease; }
.icon-button:hover:not(:disabled), .icon-button.active:not(:disabled) { color: var(--coral); border-color: #e8afb8; background: var(--pink-soft); transform: translateY(-2px) rotate(-2deg); }
.tool-group { gap: 4px; }
.tool-separator { width: 1px; height: 22px; background: var(--line); margin: 0 3px; }
.zoom-control { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12px; }
.zoom-control input { width: 86px; }

.canvas-stage { position: relative; min-height: 0; overflow: auto; display: grid; place-items: center; background-color: #f5efee; background-image: radial-gradient(#ead9da 1px, transparent 1px); background-size: 18px 18px; }
.empty-state { text-align: center; padding: 30px 20px; max-width: 440px; }
.empty-state h1 { font-size: 21px; margin-top: 20px; letter-spacing: 0; }
.empty-state p { color: var(--muted); font-size: 12px; margin: 9px 0 20px; }
.empty-pattern { width: 104px; margin: auto; display: grid; grid-template-columns: repeat(3, 28px); gap: 7px; transform: rotate(-3deg); }
.empty-pattern span { aspect-ratio: 1; border-radius: 50%; background: #fff; border: 7px solid var(--green); box-shadow: 0 2px 5px rgba(0,0,0,.09); }
.empty-pattern span:nth-child(2), .empty-pattern span:nth-child(6) { border-color: var(--coral); }
.empty-pattern span:nth-child(4), .empty-pattern span:nth-child(8) { border-color: var(--yellow); }
.empty-pattern span:nth-child(3) { visibility: hidden; }
.floating-stickers { position: relative; width: 170px; height: 0; margin: auto; color: var(--coral); font-size: 20px; }
.floating-stickers span { position: absolute; display: grid; place-items: center; animation: sticker-float 4s ease-in-out infinite; }
.mini-bow { left: 5px; top: -10px; color: var(--coral); transform: rotate(-15deg); }
.mini-cloud { right: 8px; top: 30px; color: #9ac8bd; font-size: 14px; animation-delay: .4s !important; }
.mini-heart { right: 2px; top: -34px; color: var(--coral); font-size: 15px; animation-delay: 1s !important; }
.processing { text-align: center; display: grid; justify-items: center; gap: 6px; font-size: 12px; }
.processing small { color: var(--muted); }
.spinner { width: 32px; height: 32px; border-radius: 50%; border: 3px solid #cbd8d2; border-top-color: var(--green); animation: spin .8s linear infinite; margin-bottom: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }
.canvas-wrap { margin: auto; padding: 48px; min-width: min-content; min-height: min-content; }
#patternCanvas { display: block; width: auto; height: auto; max-width: none; aspect-ratio: auto; background: #fff; box-shadow: var(--shadow); image-rendering: auto; cursor: default; }
.statusbar { background: #fffdfc; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; }
.statusbar div { display: flex; align-items: center; gap: 14px; }
.statusbar label { display: flex; align-items: center; gap: 4px; cursor: pointer; }
.statusbar input { accent-color: var(--green); }

.materials-header { padding: 22px 18px 15px; display: flex; align-items: center; justify-content: space-between; }
.summary-strip { display: grid; grid-template-columns: 1fr 1fr; margin: 0 18px 14px; border: 1px solid var(--line); border-radius: 13px; background: #fff8f8; }
.summary-strip div { padding: 10px 12px; }
.summary-strip div + div { border-left: 1px solid var(--line); }
.summary-strip span, .summary-strip strong { display: block; }
.summary-strip span { color: var(--muted); font-size: 9px; }
.summary-strip strong { font-size: 17px; margin-top: 3px; }
.material-similar { padding: 12px 16px 13px; border-top: 1px solid #f0e3e5; background: #fff8f8; }
.material-similar-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 9px; }.material-similar-head b, .material-similar-head small { display: block; }.material-similar-head b { font-size: 11px; }.material-similar-head small { color: var(--muted); font-size: 9px; margin-top: 3px; }.material-similar-head output { color: var(--coral); font-weight: 800; }.material-similar-head button { border: 0; background: transparent; color: var(--coral); font-size: 9px; cursor: pointer; padding: 2px; }
.similar-swatches { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 5px; }
.similar-swatch { min-width: 0; padding: 3px 1px; border: 1px solid transparent; border-radius: 8px; background: transparent; cursor: pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease; }.similar-swatch:hover { transform: translateY(-2px); background: #fff; }.similar-swatch.selected { border-color: var(--coral); background: #fff; box-shadow: 0 3px 8px rgba(182,99,117,.13); }.similar-swatch span { display: block; width: 22px; height: 22px; margin: auto; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px #d7c6ca; }.similar-swatch b { display: block; margin-top: 3px; overflow: hidden; color: var(--ink); font-size: 8px; text-overflow: ellipsis; }
.similar-selection { display: grid; grid-template-columns: 24px 1fr auto; align-items: center; gap: 7px; margin-top: 9px; }.similar-preview { width: 22px; height: 22px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px #d7c6ca; }.similar-selection > span:nth-child(2) { min-width: 0; color: var(--muted); font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.similar-selection .button { height: 29px; padding: 0 9px; font-size: 9px; }
.material-list { flex: 1; min-height: 0; overflow: auto; border-top: 1px solid var(--line); }
.material-empty { text-align: center; color: var(--muted); font-size: 11px; line-height: 1.7; padding-top: 55px; }
.material-empty span { display: block; width: 38px; height: 48px; margin: 0 auto 12px; border: 1px solid #bec7c2; border-radius: 3px; position: relative; }
.material-empty span::before, .material-empty span::after { content: ""; position: absolute; height: 1px; background: #cbd1ce; left: 7px; right: 7px; }
.material-empty span::before { top: 17px; }.material-empty span::after { top: 25px; }
.material-row { min-height: 52px; display: grid; grid-template-columns: 31px 1fr auto; align-items: center; gap: 10px; padding: 0 18px; border-bottom: 1px solid #f4e9ea; cursor: pointer; position: relative; transition: background .22s ease, transform .22s cubic-bezier(.2,.8,.2,1), padding-left .22s ease, opacity .22s ease, filter .22s ease; }
.material-row:hover { background: #fff5f5; transform: translateX(-2px); }
.material-list.has-selection .material-row:not(.selected) { opacity: .34; filter: saturate(.5); }
.material-row.selected { background: var(--pink-soft); padding-left: 22px; box-shadow: inset 4px 0 0 var(--coral); animation: selected-pop .28s ease-out; }
.material-row.selected::before { content: ""; position: absolute; left: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--coral); }
.color-dot { width: 27px; height: 27px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 1px #d9c9cc; transition: transform .22s ease; }
.material-row:hover .color-dot, .material-row.selected .color-dot { transform: scale(1.1) rotate(6deg); }
.material-row strong, .material-row small { display: block; }
.material-row strong { font-size: 11px; }.material-row small { color: var(--muted); font-size: 9px; margin-top: 2px; }
.material-count { text-align: right; }.material-count b { display: block; font-size: 12px; }.material-count small { font-size: 8px; color: var(--muted); }
.row-check { width: 18px; height: 18px; display: grid; place-items: center; position: absolute; right: 10px; top: 3px; border-radius: 50%; color: #fff; background: var(--coral); font-size: 10px; opacity: 0; transform: scale(.5) rotate(-20deg); transition: .22s cubic-bezier(.2,.8,.2,1); }
.material-row.selected .row-check { opacity: 1; transform: scale(1) rotate(0); }
.material-row:focus-visible { outline: 2px solid var(--coral); outline-offset: -2px; }
@keyframes selected-pop { from { transform: scale(.985); } to { transform: scale(1); } }
.materials-footer { padding: 14px 18px 18px; border-top: 1px solid var(--line); }
.materials-footer p { text-align: center; font-size: 9px; color: var(--muted); margin-top: 9px; }

dialog { border: 0; padding: 0; border-radius: 8px; box-shadow: 0 24px 80px rgba(0,0,0,.22); width: min(420px, calc(100vw - 30px)); }
dialog::backdrop { background: rgba(17, 28, 24, .52); backdrop-filter: blur(2px); }
.dialog-card { padding: 22px; }
.dialog-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.dialog-head h2 { font-size: 18px; }.dialog-head p { font-size: 11px; color: var(--muted); margin-top: 4px; }
.export-options { display: grid; gap: 8px; margin-bottom: 14px; }
.export-options label { display: flex; gap: 10px; border: 1px solid var(--line); border-radius: 6px; padding: 12px; cursor: pointer; }
.export-options label:has(input:checked) { border-color: var(--green); background: var(--green-soft); }
.export-options input { accent-color: var(--green); }.export-options b, .export-options small { display: block; }.export-options b { font-size: 12px; }.export-options small { font-size: 10px; color: var(--muted); margin-top: 3px; }
.dialog-card > .check-row { margin-bottom: 17px; }
.watermark-field { margin: 0 0 13px; }.watermark-field > span small { color: var(--muted); font-size: 9px; font-weight: 400; }.watermark-field input { width: 100%; height: 36px; padding: 0 10px; border: 1px solid var(--line); border-radius: 10px; outline: none; font-size: 12px; }.watermark-field input:focus { border-color: var(--coral); box-shadow: 0 0 0 2px rgba(238,125,141,.12); }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translate(-50%, 20px); padding: 10px 14px; border-radius: 5px; color: #fff; background: #26332e; box-shadow: 0 8px 25px rgba(0,0,0,.18); font-size: 12px; z-index: 100; opacity: 0; pointer-events: none; transition: .22s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1050px) {
  .workspace { grid-template-columns: 260px minmax(400px, 1fr); }
  .materials-panel { position: fixed; right: 0; top: 68px; bottom: 0; width: 270px; z-index: 8; box-shadow: -8px 0 25px rgba(0,0,0,.08); transform: translateX(100%); }
  .materials-panel.has-data { transform: translateX(0); transition: transform .25s; }
  .source-meta strong, .source-meta small { max-width: 130px; }
}

@media (max-width: 720px) {
  body { overflow: auto; }
  .app-header { height: 58px; padding: 0 12px; position: sticky; top: 0; }
  .brand-mark { width: 30px; height: 30px; }.brand small, .local-badge, #resetBtn { display: none; }
  .workspace { display: flex; flex-direction: column; height: auto; min-height: calc(100vh - 58px); }
  .controls-panel { order: 2; border: 0; padding: 20px 16px; overflow: visible; }
  .canvas-section { order: 1; height: 68vh; min-height: 470px; grid-template-rows: 52px 1fr 34px; }
  .materials-panel { order: 3; position: static; width: auto; min-height: 420px; border: 0; border-top: 1px solid var(--line); transform: none; box-shadow: none; }
  .tool-group { display: none; }.zoom-control { display: none; }.file-thumb { width: 32px; height: 32px; }
  .source-meta strong, .source-meta small { max-width: 150px; }
  .canvas-wrap { padding: 25px; }
  .empty-state h1 { font-size: 18px; }
  .statusbar { padding: 0 8px; }.statusbar div { gap: 7px; }.statusbar label { font-size: 9px; }
}

/* Floating drawers keep the canvas calm while settings and materials stay one tap away. */
.workspace { display: block; position: relative; height: calc(100vh - 68px); min-height: 0; }
.canvas-section { width: 100%; height: calc(100vh - 68px); min-height: 0; }
.drawer { position: fixed; top: 68px; bottom: 0; z-index: 30; width: min(322px, calc(100vw - 28px)); overflow: auto; box-shadow: 0 18px 50px rgba(103, 63, 74, .2); transition: transform .32s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease; }
.controls-panel.drawer { left: 0; border-right: 1px solid var(--line); border-radius: 0 18px 18px 0; transform: translateX(-105%); }
.materials-panel.drawer { right: 0; border-left: 1px solid var(--line); border-radius: 18px 0 0 18px; transform: translateX(105%); }
.drawer.drawer-open { transform: translateX(0); }
.drawer-toggle { width: auto; min-width: 38px; padding: 0 10px; gap: 5px; color: #6c5b61; }
.drawer-toggle span { font-size: 11px; }
.drawer-toggle.active { color: var(--coral); border-color: #e8afb8; background: var(--pink-soft); }
.drawer-backdrop { display: none; position: fixed; inset: 68px 0 0; z-index: 20; background: rgba(67, 42, 48, .12); backdrop-filter: blur(2px); opacity: 0; transition: opacity .25s ease; }
.drawer-backdrop.active { display: block; opacity: 1; }
.drawer-close { position: fixed; top: 80px; right: 16px; z-index: 40; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 50%; background: #fffdfc; color: var(--coral); box-shadow: 0 5px 15px rgba(103, 63, 74, .15); cursor: pointer; place-items: center; }
.drawer-close:not(.hidden) { display: grid; }
.drawer-close svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.drawer .materials-header, .drawer .panel-heading:first-child { padding-top: 24px; }
body.materials-docked .canvas-section { width: calc(100% - 322px); margin-right: 322px; }
body.materials-docked .materials-panel.drawer { transform: translateX(0); }
body.materials-docked .materials-panel .materials-header { padding-top: 24px; }

@media (max-width: 720px) {
  html, body { width: 100%; height: 100%; overflow: hidden; }
  .app-header { height: 58px; padding: 0 8px; }
  .brand { gap: 7px; }.brand-mark { width: 28px; height: 28px; }.brand strong { max-width: 88px; overflow: hidden; font-size: 14px; white-space: nowrap; text-overflow: ellipsis; }
  .cute-buddies, .local-badge, #resetBtn { display: none !important; }
  .workspace, .canvas-section { height: calc(100dvh - 58px); }
  .canvas-section { grid-template-rows: 48px minmax(0, 1fr) auto; }
  .drawer { top: 58px; bottom: 0; width: 100%; max-width: none; overflow-y: auto; overscroll-behavior: contain; }
  .controls-panel.drawer { padding: 18px 14px calc(36px + env(safe-area-inset-bottom)); border-radius: 0; transform: translateX(-101%); }
  .controls-panel.drawer.drawer-open { transform: translateX(0); }
  .materials-panel.drawer { border-radius: 0; transform: translateX(101%); }
  .materials-panel.drawer.drawer-open { transform: translateX(0); }
  .drawer-backdrop { inset: 58px 0 0; }
  .drawer-toggle span { display: none; }
  .drawer-toggle { padding: 0; width: 32px; min-width: 32px; height: 32px; }
  .header-actions { gap: 4px; }.header-actions .primary { height: 32px; padding: 0 8px; font-size: 10px; }
  .canvas-toolbar { padding: 0 8px; }.source-meta strong, .source-meta small { max-width: 112px; }.file-thumb { width: 30px; height: 30px; }.view-controls { gap: 4px; }
  .canvas-stage { min-height: 0; }
  .canvas-wrap { padding: 14px; }
  .empty-state { padding: 20px 14px; }.empty-pattern { width: 88px; grid-template-columns: repeat(3, 24px); gap: 6px; }.empty-state h1 { font-size: 17px; }.empty-state p { margin-bottom: 16px; }
  .statusbar { min-height: 50px; padding: 5px 9px calc(5px + env(safe-area-inset-bottom)); flex-direction: column; align-items: stretch; justify-content: center; gap: 4px; }
  .statusbar > span { font-size: 9px; }.statusbar div { width: 100%; justify-content: space-between; gap: 5px; }.statusbar label { font-size: 9px; white-space: nowrap; }.statusbar #zoomOutput { display: none; }
  .drawer-close { top: 69px; right: 10px; }
  body.materials-docked .canvas-section { width: 100%; margin-right: 0; }
  body.materials-docked .materials-panel.drawer { top: 58px; left: 0; right: 0; bottom: 0; width: 100%; height: auto; border: 0; border-radius: 0; transform: translateX(101%); }
  body.materials-docked .materials-panel.drawer.drawer-open { transform: translateX(0); }
  .materials-header { padding: 18px 14px 12px; }.summary-strip { margin: 0 14px 12px; }.material-similar { padding: 11px 14px 12px; }.material-row { padding-left: 14px; padding-right: 14px; }.materials-footer { padding: 11px 14px calc(13px + env(safe-area-inset-bottom)); }
  dialog { max-height: calc(100dvh - 24px); overflow-y: auto; }.dialog-card { padding: 18px; }
}