/* 拼图工坊 · 样式 */

:root{
  color-scheme:dark;
  --bg:#0a0a0c;
  --panel:#131316;
  --panel-deep:#0d0d10;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#f3f0e9;
  --muted:#918d85;
  --dim:#6d6962;
  --accent:#d8ff5f;
  --accent-ink:#111407;
  --mono:ui-monospace, "SFMono-Regular", "Cascadia Mono", "Consolas", monospace;
}

*, *::before, *::after{ box-sizing:border-box; }
[hidden]{ display:none !important; }
html, body{ margin:0; }
body{
  min-height:100vh;
  color:var(--text);
  background:
    radial-gradient(900px 480px at 6% -8%, rgba(216,255,95,.055), transparent 62%),
    radial-gradient(820px 520px at 102% 0%, rgba(255,255,255,.035), transparent 58%),
    var(--bg);
  font-family:"Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{ background:rgba(216,255,95,.28); color:#fff; }

button, input, select{ font:inherit; color:inherit; }
button{ -webkit-tap-highlight-color:transparent; }
button:focus-visible, [role="button"]:focus-visible, select:focus-visible, input:focus-visible, label.custom-color:focus-within{
  outline:2px solid var(--accent);
  outline-offset:2px;
}

.app{ display:flex; flex-direction:column; min-height:100vh; }

/* ---------- top bar ---------- */
.topbar{
  width:100%; max-width:1680px; margin:0 auto;
  padding:20px 26px 16px;
  display:flex; align-items:center; justify-content:space-between; gap:18px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.logo{
  width:41px; height:41px; border-radius:12px; flex:none;
  display:grid; place-items:center;
  color:#101305;
  background:linear-gradient(145deg,#e9ff9b 0%,#d8ff5f 45%,#c1ea3c 100%);
  box-shadow:0 10px 30px -8px rgba(216,255,95,.45), inset 0 1px 0 rgba(255,255,255,.65);
}
.logo svg{ width:22px; height:22px; }
.brand h1{ font-size:20px; line-height:1.15; margin:0; font-weight:700; letter-spacing:.01em; }
.brand p{ margin:3px 0 0; font-size:9.5px; letter-spacing:.3em; color:var(--dim); text-transform:uppercase; }
.privacy{
  display:inline-flex; align-items:center; gap:8px;
  font-size:11.5px; color:#b9b5ad;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.075);
  padding:8px 13px; border-radius:999px;
}
.privacy svg{ width:13px; height:13px; color:var(--accent); }
.privacy .dot{
  width:5px; height:5px; border-radius:50%; background:var(--accent);
  box-shadow:0 0 0 3px rgba(216,255,95,.12);
}

.topbar-right{ display:flex; align-items:center; gap:10px; flex:none; }
.lang-select{
  position:relative;
  display:inline-flex; align-items:center; gap:6px;
  height:33px; padding:0 9px 0 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.075);
  background:rgba(255,255,255,.035);
  color:#b9b5ad;
  transition:border-color .15s ease, background .15s ease, color .15s ease;
}
.lang-select:hover{ border-color:rgba(255,255,255,.16); background:rgba(255,255,255,.06); color:var(--text); }
.lang-select svg{ width:14px; height:14px; flex:none; color:var(--accent); }
.lang-select select{
  appearance:none; -webkit-appearance:none;
  border:0; background:transparent; outline:none;
  color:inherit;
  font:inherit; font-size:11.5px; line-height:1;
  padding:0 13px 0 0;
  cursor:pointer;
  max-width:132px;
}
.lang-select::after{
  content:"";
  position:absolute; right:10px; top:50%;
  width:0; height:0;
  border-left:3.5px solid transparent;
  border-right:3.5px solid transparent;
  border-top:4.5px solid currentColor;
  transform:translateY(-50%);
  pointer-events:none;
  opacity:.7;
}
.lang-select select option{ background:#16161a; color:#f3f0e9; }

/* ---------- main ---------- */
.main{
  width:100%; max-width:1680px; margin:0 auto;
  padding:0 26px 22px;
  display:grid; grid-template-columns:minmax(0,1fr) 392px;
  gap:18px; align-items:start;
}

/* ---------- stage ---------- */
.stage-panel{
  position:relative; display:flex; flex-direction:column; min-height:0;
  border:1px solid var(--line); border-radius:22px; overflow:hidden;
  background:linear-gradient(180deg,#121216 0%,#0d0d10 100%);
  box-shadow:0 40px 90px -60px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.035);
}
.stage{
  position:relative; flex:1; min-height:0;
  display:flex; align-items:center; justify-content:center;
  padding:28px;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:20px 20px;
  overflow:hidden;
}
.stage::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(58% 58% at 50% 46%, rgba(216,255,95,.045), transparent 72%);
}
.canvas{
  position:relative; z-index:1;
  display:block; max-width:100%; max-height:100%;
  user-select:none; -webkit-user-select:none;
  touch-action:manipulation; -webkit-touch-callout:none;
  background-color:#44454c;
  background-image:repeating-conic-gradient(#575860 0% 25%, #44454c 0% 50%);
  background-size:16px 16px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.45),
    0 0 0 2px rgba(0,0,0,.35),
    0 30px 80px -20px rgba(0,0,0,.8);
  border-radius:2px;
}
.canvas.is-panning{ cursor:grabbing !important; user-select:none; }

.cell-handles{
  position:absolute; inset:0; z-index:3;
  pointer-events:none;
  transition:opacity .15s ease;
}
.cell-handles.is-quiet{ opacity:0; }
.cell-handles.is-quiet .cell-handle{ pointer-events:none; }
.cell-handle-box{
  position:absolute;
  pointer-events:none;
}
.cell-handle{
  position:absolute; top:6px; right:6px;
  width:24px; height:24px; padding:0;
  display:grid; place-items:center;
  border-radius:7px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(10,10,12,.58);
  color:rgba(255,255,255,.78);
  opacity:0;
  cursor:grab;
  pointer-events:auto;
  touch-action:none;
  backdrop-filter:blur(7px);
  transition:opacity .18s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.cell-handles.is-revealed .cell-handle,
.cell-handle:hover,
.cell-handle:focus-visible{
  opacity:1;
  background:rgba(10,10,12,.86);
  border-color:rgba(216,255,95,.45);
  color:var(--accent);
}
.cell-handle:active{ cursor:grabbing; }
.cell-handle svg{ width:9px; height:14px; fill:currentColor; }
@media (pointer:coarse){
  .cell-handle{ width:28px; height:28px; }
}

.touch-sort-hint{ display:none; color:var(--dim); font-size:10px; white-space:nowrap; }
.touch-mode .touch-sort-hint{ display:inline-flex; }

.empty{
  position:relative; z-index:1;
  width:min(430px, 92%);
  display:flex; flex-direction:column; align-items:center; text-align:center;
  padding:42px 30px 34px;
  border:1.5px dashed rgba(255,255,255,.15);
  border-radius:24px;
  background:rgba(255,255,255,.012);
  cursor:pointer;
  transition:border-color .18s ease, background .18s ease, transform .18s ease;
}
.empty:hover, .empty:focus-visible{
  border-color:rgba(216,255,95,.5);
  background:rgba(216,255,95,.035);
}
.empty-icon{
  width:58px; height:58px; border-radius:18px;
  display:grid; place-items:center;
  color:var(--accent);
  background:rgba(216,255,95,.075);
  border:1px solid rgba(216,255,95,.18);
  box-shadow:inset 0 0 24px rgba(216,255,95,.06);
}
.empty-icon svg{ width:27px; height:27px; }
.empty h2{ margin:15px 0 0; font-size:16px; font-weight:600; letter-spacing:.01em; }
.empty p{ margin:7px 0 18px; font-size:12.5px; line-height:1.65; color:var(--muted); }
.btn-soft{
  display:inline-flex; align-items:center; gap:6px;
  font-size:12.5px; font-weight:600; color:var(--accent-ink);
  background:linear-gradient(180deg,#e6ff8e,#d2f84c);
  padding:9px 20px; border-radius:999px;
  box-shadow:0 8px 24px -10px rgba(216,255,95,.55);
}

.stage-drop{
  position:absolute; inset:14px; z-index:5;
  border:1.5px dashed rgba(216,255,95,.6);
  border-radius:16px;
  background:rgba(8,10,4,.66);
  display:flex; align-items:center; justify-content:center;
  color:var(--accent); font-size:13px; letter-spacing:.04em;
  opacity:0; pointer-events:none;
  transition:opacity .15s ease;
  backdrop-filter:blur(3px);
}
.stage.is-drag .stage-drop{ opacity:1; }

.stage-foot{
  display:flex; align-items:center; justify-content:space-between; gap:14px;
  padding:11px 18px;
  border-top:1px solid rgba(255,255,255,.055);
  font-size:11px; color:var(--dim);
  background:rgba(255,255,255,.012);
}
.stage-foot .info{
  flex:1; min-width:0;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
  color:#a09c94; font-variant-numeric:tabular-nums;
}
.stage-foot-right{ display:flex; align-items:center; gap:12px; flex:none; }
.stage-foot .tag{ display:inline-flex; align-items:center; gap:6px; white-space:nowrap; }
.stage-foot .tag::before{ content:""; width:4px; height:4px; border-radius:50%; background:rgba(216,255,95,.65); }

.alt-sort-hint{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 9px;
  border-radius:999px;
  border:1px solid rgba(216,255,95,.28);
  background:rgba(216,255,95,.09);
  color:#e6efc8; font-size:10.5px; font-weight:500; white-space:nowrap;
}
.alt-sort-hint kbd{
  font-family:var(--mono); font-size:9.5px; font-weight:700; line-height:1;
  padding:3px 5px; border-radius:4px;
  border:1px solid rgba(216,255,95,.45);
  background:rgba(216,255,95,.16);
  color:var(--accent);
}
.touch-mode .alt-sort-hint{ display:none; }

.canvas.is-sorting-drag{ cursor:grabbing !important; user-select:none; }

/* ---------- sidebar ---------- */
.sidebar{ display:flex; flex-direction:column; gap:12px; min-height:0; overflow:hidden; }
.sidebar-scroll{
  display:flex; flex-direction:column; gap:9px;
  flex:1; min-height:0;
  overflow-y:auto; overscroll-behavior:contain;
  padding-right:2px;
}
.card{
  border:1px solid var(--line);
  border-radius:18px;
  padding:15px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.032), rgba(255,255,255,0) 42%),
    var(--panel);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035), 0 24px 50px -40px rgba(0,0,0,.9);
}
.card-head{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  margin-bottom:12px;
}
.card-title{
  display:inline-flex; align-items:baseline; gap:7px;
  font-size:12.5px; font-weight:600; letter-spacing:.02em; color:#e9e5dd;
}
.card-title em{
  font-style:normal; font-family:var(--mono); font-size:10px;
  letter-spacing:.04em; color:var(--accent); opacity:.9;
}
.count-pill{
  font-family:var(--mono); font-size:10.5px; color:#b6b2aa;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.06);
  padding:3px 8px; border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.mini-note{ font-size:10.5px; color:var(--dim); white-space:nowrap; }

/* upload */
.dropzone{
  display:flex; align-items:center; gap:11px;
  padding:12px;
  border:1px dashed rgba(255,255,255,.17);
  border-radius:13px;
  background:rgba(255,255,255,.018);
  cursor:pointer;
  transition:border-color .16s ease, background .16s ease;
}
.dropzone:hover{ border-color:rgba(216,255,95,.48); background:rgba(216,255,95,.035); }
.dropzone.loading{ opacity:.65; cursor:progress; }
.drop-icon{
  width:34px; height:34px; flex:none; border-radius:10px;
  display:grid; place-items:center;
  color:var(--accent);
  background:rgba(216,255,95,.08);
  border:1px solid rgba(216,255,95,.14);
}
.drop-icon svg{ width:17px; height:17px; }
.drop-copy{ display:flex; flex-direction:column; gap:3px; min-width:0; }
.drop-copy strong{ font-size:12.5px; font-weight:600; }
.drop-copy small{ font-size:10.5px; color:var(--muted); }

.thumbs{ display:grid; grid-template-columns:repeat(auto-fill, minmax(96px, 1fr)); gap:8px; margin-top:10px; }
.thumbs:empty{ display:none; }
.thumb{
  position:relative; aspect-ratio:1 / 1; border-radius:10px; overflow:hidden;
  background:#08080a;
  border:1px solid rgba(255,255,255,.09);
  cursor:grab;
  transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.thumb:hover{ border-color:rgba(255,255,255,.24); }
.thumb.dragging{ opacity:.35; cursor:grabbing; }
.thumb.drop-target{ border-color:var(--accent); box-shadow:0 0 0 2px rgba(216,255,95,.25); transform:scale(.97); }
.thumb-canvas{ display:block; width:100%; height:100%; object-fit:cover; pointer-events:none; }
.thumb-index{
  position:absolute; top:5px; left:5px;
  min-width:17px; height:17px; padding:0 4px;
  display:grid; place-items:center;
  border-radius:5px;
  font-family:var(--mono); font-size:9.5px; font-weight:600; color:#f6f3ec;
  background:rgba(8,8,10,.72);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(4px);
}
.thumb-remove{
  position:absolute; top:4px; right:4px;
  width:20px; height:20px; padding:0;
  display:grid; place-items:center;
  border-radius:50%; border:1px solid rgba(255,255,255,.16);
  background:rgba(8,8,10,.74); color:#f4f1ea;
  cursor:pointer; opacity:0; transform:scale(.9);
  transition:opacity .14s ease, transform .14s ease, background .14s ease;
}
.thumb-remove svg{ width:11px; height:11px; fill:none; stroke:currentColor; stroke-width:2.2; stroke-linecap:round; }
.thumb:hover .thumb-remove, .thumb:focus-within .thumb-remove{ opacity:1; transform:scale(1); }
.thumb-remove:hover{ background:#e2543f; border-color:#e2543f; }
.thumb-move{
  position:absolute; left:50%; bottom:4px;
  transform:translateX(-50%) translateY(3px);
  display:flex; gap:3px;
  opacity:0; transition:opacity .14s ease, transform .14s ease;
}
.thumb:hover .thumb-move, .thumb:focus-within .thumb-move{ opacity:1; transform:translateX(-50%) translateY(0); }
.thumb-move button{
  width:20px; height:18px; padding:0; line-height:1;
  display:grid; place-items:center;
  border-radius:5px; border:1px solid rgba(255,255,255,.14);
  background:rgba(8,8,10,.74); color:#f4f1ea;
  font-size:12px; cursor:pointer;
}
.thumb-move button:hover{ background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }

.thumb-add{
  aspect-ratio:1 / 1;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
  border:1px dashed rgba(255,255,255,.16);
  border-radius:10px;
  background:rgba(255,255,255,.015);
  color:var(--dim);
  font-size:10px; cursor:pointer;
  transition:border-color .15s ease, color .15s ease, background .15s ease;
}
.thumb-add .plus{ font-size:18px; line-height:1; font-weight:300; }
.thumb-add:hover{ border-color:rgba(216,255,95,.45); color:var(--accent); background:rgba(216,255,95,.03); }

.hint{ margin:9px 1px 0; font-size:10.5px; line-height:1.55; color:var(--dim); }

/* mode */
.segmented{
  display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:3px;
  padding:3px; border-radius:12px;
  background:var(--panel-deep);
  border:1px solid rgba(255,255,255,.06);
}
.seg-btn{
  display:flex; flex-direction:column; align-items:center; gap:5px;
  padding:9px 3px 8px;
  border:0; border-radius:9px;
  background:transparent; color:var(--muted);
  font-size:11px; cursor:pointer;
  transition:background .15s ease, color .15s ease, box-shadow .15s ease;
}
.seg-btn svg{ width:19px; height:19px; fill:currentColor; }
.seg-btn:hover{ color:var(--text); background:rgba(255,255,255,.045); }
.seg-btn.active{
  background:linear-gradient(180deg,#e4ff85,#d2f84c);
  color:#111407; font-weight:600;
  box-shadow:0 6px 18px -8px rgba(216,255,95,.6), inset 0 1px 0 rgba(255,255,255,.55);
}

.ctl{ margin-top:10px; }
.ctl.is-hidden{ display:none; }
.ctl-pair{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
  margin-top:10px;
}
.ctl-pair .ctl{ margin-top:0; min-width:0; }
.ctl-pair .ctl-top{ gap:6px; }
.ratio-chips{
  display:grid;
  grid-template-columns:repeat(5, minmax(0, 1fr));
  gap:4px;
}
.ratio-chip{
  min-width:0; padding:6px 2px;
  border-radius:7px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.025);
  color:var(--muted);
  font-family:var(--mono); font-size:10px;
  cursor:pointer;
  transition:color .15s ease, border-color .15s ease, background .15s ease;
}
.ratio-chip:hover{ color:var(--text); border-color:rgba(255,255,255,.18); }
.ratio-chip.active{
  color:var(--accent);
  border-color:rgba(216,255,95,.35);
  background:rgba(216,255,95,.07);
}
.range-ends{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  margin-top:1px;
  color:var(--dim); font-size:9.5px; line-height:1.4;
}
.range-ends span{ white-space:nowrap; }
input[type="range"]:disabled{ opacity:.35; cursor:not-allowed; }
.ctl-top{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  margin-bottom:6px;
  font-size:11.5px; color:#cfcac1;
}
.ctl-top label{ cursor:pointer; }
.num-field{
  display:inline-flex; align-items:baseline; gap:5px;
  font-family:var(--mono); font-size:11.5px; line-height:1.2;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.num-field input{
  width:36px; padding:2px 5px; margin:0;
  border:1px solid rgba(255,255,255,.1);
  border-radius:5px;
  background:rgba(255,255,255,.035);
  color:inherit; font:inherit; text-align:right;
  font-variant-numeric:tabular-nums;
  -moz-appearance:textfield; appearance:textfield;
  cursor:text;
  transition:border-color .15s ease, background .15s ease;
}
.num-field input:hover{ border-color:rgba(255,255,255,.2); background:rgba(255,255,255,.055); }
.num-field input::-webkit-outer-spin-button,
.num-field input::-webkit-inner-spin-button{ -webkit-appearance:none; margin:0; }
.num-field input:focus,
.num-field input:focus-visible{ outline:none; }
.num-field .unit{ color:var(--muted); font-size:10px; }

input[type="range"]{
  --p:50%;
  -webkit-appearance:none; appearance:none;
  display:block; width:100%; height:20px; margin:0;
  background:transparent; cursor:pointer;
}
input[type="range"]:focus{ outline:none; }
input[type="range"]::-webkit-slider-runnable-track{
  height:4px; border-radius:99px;
  background:linear-gradient(90deg, var(--accent) var(--p), rgba(255,255,255,.1) var(--p));
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none;
  width:14px; height:14px; margin-top:-5px;
  border-radius:50%;
  background:#f8f5ee;
  border:2px solid #0b0b0d;
  box-shadow:0 0 0 1px rgba(255,255,255,.25), 0 2px 8px rgba(0,0,0,.55);
  transition:transform .12s ease;
}
input[type="range"]:hover::-webkit-slider-thumb{ transform:scale(1.12); }
input[type="range"]:active::-webkit-slider-thumb{ transform:scale(1.2); }
input[type="range"]::-moz-range-track{ height:4px; border-radius:99px; background:rgba(255,255,255,.1); }
input[type="range"]::-moz-range-progress{ height:4px; border-radius:99px; background:var(--accent); }
input[type="range"]::-moz-range-thumb{
  width:11px; height:11px; border-radius:50%;
  background:#f8f5ee; border:2px solid #0b0b0d;
}

.chips{ display:grid; grid-template-columns:1fr 1fr; gap:5px; }
.chip{
  padding:7px 6px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.025);
  color:var(--muted);
  font-size:11px; cursor:pointer;
  transition:all .15s ease;
}
.chip:hover{ color:var(--text); border-color:rgba(255,255,255,.18); }
.chip.active{
  color:var(--accent);
  border-color:rgba(216,255,95,.35);
  background:rgba(216,255,95,.07);
}

/* color */
.swatches{ display:flex; flex-wrap:wrap; gap:6px; }
.swatch{
  width:28px; height:28px; padding:0;
  border-radius:9px;
  border:1px solid rgba(255,255,255,.16);
  cursor:pointer;
  transition:transform .14s ease, box-shadow .14s ease, border-color .14s ease;
  position:relative;
}
.swatch:hover{ transform:translateY(-2px); border-color:rgba(255,255,255,.34); }
.swatch[aria-pressed="true"]{
  box-shadow:0 0 0 2px #101013, 0 0 0 4px var(--accent);
}
.swatch.transparent{
  background-color:#1b1b20;
  background-image:linear-gradient(45deg,#3b3b42 25%, transparent 25%, transparent 75%, #3b3b42 75%),
                   linear-gradient(45deg,#3b3b42 25%, #1b1b20 25%, #1b1b20 75%, #3b3b42 75%);
  background-size:12px 12px;
  background-position:0 0, 6px 6px;
}
.custom-color{
  position:relative;
  display:flex; align-items:center; gap:8px;
  margin-top:11px;
  font-size:11px; color:var(--muted);
  cursor:pointer; width:100%;
}
.custom-swatch-wrap{
  position:relative;
  width:24px; height:24px; flex:none;
  border-radius:7px; overflow:hidden;
  border:1px solid rgba(255,255,255,.24);
}
.custom-swatch{ display:block; width:100%; height:100%; background:#ffffff; }
.custom-swatch.is-transparent{
  background-color:#1b1b20;
  background-image:linear-gradient(45deg,#3b3b42 25%, transparent 25%, transparent 75%, #3b3b42 75%),
                   linear-gradient(45deg,#3b3b42 25%, #1b1b20 25%, #1b1b20 75%, #3b3b42 75%);
  background-size:10px 10px;
  background-position:0 0, 5px 5px;
}
.custom-color input[type="color"]{
  position:absolute; inset:0;
  width:100%; height:100%;
  opacity:0; cursor:pointer; border:0; padding:0;
}
.custom-color:hover{ color:var(--text); }

.dock-colors{ display:flex; flex-wrap:wrap; align-items:center; gap:6px; margin-bottom:10px; }
.dock-colors .swatches{ display:contents; }
.custom-color--mini{
  width:28px; height:28px; flex:none;
  margin-top:0; gap:0;
}
.custom-color--mini .custom-swatch-wrap{
  width:28px; height:28px; border-radius:9px;
  border-color:rgba(255,255,255,.16);
}
.custom-color--mini .custom-swatch-wrap.is-active{
  box-shadow:0 0 0 2px #101013, 0 0 0 4px var(--accent);
}
.custom-color--mini .custom-swatch-wrap::after{
  content:"+";
  position:absolute; inset:0;
  display:grid; place-items:center;
  font-size:13px; font-weight:600; line-height:1;
  color:#fff; mix-blend-mode:difference;
  pointer-events:none;
}

.select-wrap{ position:relative; }
.select-wrap::after{
  content:""; position:absolute; right:12px; top:50%;
  width:6px; height:6px; margin-top:-4px;
  border-right:1.5px solid #9d998f; border-bottom:1.5px solid #9d998f;
  transform:rotate(45deg); pointer-events:none;
}
select{
  -webkit-appearance:none; appearance:none;
  width:100%; padding:9px 32px 9px 11px;
  border:1px solid rgba(255,255,255,.09);
  border-radius:9px;
  background:var(--panel-deep);
  color:#e6e2da;
  font-size:11.5px;
  cursor:pointer;
}
select:hover{ border-color:rgba(255,255,255,.18); }

.download, .copy{
  flex:1; min-width:0;
  display:flex; align-items:center; justify-content:center; gap:6px;
  padding:10px 8px;
  border-radius:10px;
  font-size:12px; font-weight:700; letter-spacing:.01em;
  cursor:pointer; white-space:nowrap;
  transition:transform .14s ease, box-shadow .2s ease, filter .14s ease, background .15s ease, border-color .15s ease;
}
.download{
  border:0;
  background:linear-gradient(180deg,#e7ff90 0%,#d5fa50 55%,#c8ef3e 100%);
  color:#111407;
  box-shadow:0 14px 34px -16px rgba(216,255,95,.65), inset 0 1px 0 rgba(255,255,255,.6);
}
.copy{
  border:1px solid rgba(255,255,255,.13);
  background:rgba(255,255,255,.05);
  color:#e9e5dd;
  font-weight:600;
}
.download:hover:not(:disabled){ transform:translateY(-1px); box-shadow:0 18px 40px -16px rgba(216,255,95,.8), inset 0 1px 0 rgba(255,255,255,.6); }
.copy:hover:not(:disabled){ background:rgba(255,255,255,.085); border-color:rgba(255,255,255,.24); }
.download:active:not(:disabled){ transform:translateY(0); filter:brightness(.97); }
.copy:active:not(:disabled){ transform:translateY(0); background:rgba(255,255,255,.07); }
.download:disabled, .copy:disabled{ opacity:.34; cursor:not-allowed; box-shadow:none; filter:saturate(.4); }
.download svg, .copy svg{ width:16px; height:16px; flex:none; }
.download span, .copy span{ min-width:0; overflow:hidden; text-overflow:ellipsis; }

/* 长文案语言（德/西/法/英）收紧按钮与标签，避免溢出 */
html[data-lang="de"] .download,
html[data-lang="de"] .copy,
html[data-lang="es"] .download,
html[data-lang="es"] .copy,
html[data-lang="fr"] .download,
html[data-lang="fr"] .copy,
html[data-lang="en"] .download,
html[data-lang="en"] .copy{ font-size:11px; gap:4px; padding:10px 5px; letter-spacing:0; }
html[data-lang="de"] .seg-btn,
html[data-lang="es"] .seg-btn,
html[data-lang="fr"] .seg-btn,
html[data-lang="en"] .seg-btn,
html[data-lang="de"] .chip,
html[data-lang="es"] .chip,
html[data-lang="fr"] .chip,
html[data-lang="en"] .chip{ font-size:10.5px; }
html[data-lang="de"] .ctl-top,
html[data-lang="es"] .ctl-top,
html[data-lang="fr"] .ctl-top,
html[data-lang="en"] .ctl-top{ font-size:11px; }
html[data-lang="de"] .alt-sort-hint,
html[data-lang="es"] .alt-sort-hint,
html[data-lang="fr"] .alt-sort-hint,
html[data-lang="en"] .alt-sort-hint{ font-size:10px; padding:4px 7px; }
html[data-lang="de"] .lang-select select,
html[data-lang="es"] .lang-select select,
html[data-lang="fr"] .lang-select select,
html[data-lang="en"] .lang-select select{ max-width:120px; }

/* 韩/日/中：标题与按钮略宽，保留原字号 */
html[data-lang="ko"] .seg-btn span,
html[data-lang="ja"] .seg-btn span{ letter-spacing:.01em; }
html[data-lang="ko"] .ctl-top label,
html[data-lang="ja"] .ctl-top label{ word-break:keep-all; }

/* 窄屏：顶栏换行，语言选择器与隐私标签并排 */
@media (max-width: 900px){
  .topbar{ flex-wrap:wrap; }
  .topbar-right{ width:100%; justify-content:space-between; }
}
@media (max-width: 720px){
  .lang-select select{ max-width:110px; }
}
html[lang="de"] .dt,
html[lang="es"] .dt,
html[lang="fr"] .dt{ hyphens:auto; }
.spinner{
  width:13px; height:13px; border-radius:50%;
  border:2px solid rgba(17,20,7,.25);
  border-top-color:#111407;
  animation:spin .7s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.export-dock{
  flex:none;
  padding:12px;
  border:1px solid rgba(255,255,255,.09);
  border-radius:16px;
  background:linear-gradient(180deg,#17171c 0%,#111114 100%);
  box-shadow:0 -20px 44px -32px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.045);
}
.dock-head{
  display:flex; align-items:baseline; justify-content:space-between; gap:10px;
  margin-bottom:9px;
  font-size:10.5px; color:var(--dim);
}
.dock-dims{
  font-family:var(--mono); font-size:10.5px; color:#dedad2;
  font-variant-numeric:tabular-nums;
}
.dock-row{ display:flex; align-items:stretch; gap:6px; }
.dock-row .select-wrap{ flex:0 0 132px; }
.dock-row select{ height:100%; padding:10px 22px 10px 9px; font-size:10px; border-radius:10px; }
.dock-note{ margin:8px 0 0; text-align:center; font-size:9.5px; line-height:1.5; color:var(--dim); }

.sidebar-foot{
  display:flex; align-items:center; justify-content:center; gap:12px;
  padding:0;
  font-size:10.5px; color:var(--dim);
}
.sidebar-foot button{
  border:0; background:none; padding:2px 0;
  color:inherit; font-size:inherit; cursor:pointer;
  border-bottom:1px dotted rgba(255,255,255,.16);
}
.sidebar-foot button:hover{ color:#e8e4dc; }
.sidebar-foot .sep{ opacity:.5; }

/* toast */
.toast{
  position:fixed; left:50%; bottom:26px; z-index:80;
  transform:translate(-50%, 12px);
  max-width:min(90vw, 460px);
  padding:10px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(26,26,31,.94);
  color:#f4f1ea;
  font-size:12px; letter-spacing:.01em;
  box-shadow:0 16px 44px rgba(0,0,0,.55);
  opacity:0; pointer-events:none;
  transition:opacity .22s ease, transform .22s ease;
  backdrop-filter:blur(10px);
  text-align:center;
}
.toast.show{ opacity:1; transform:translate(-50%, 0); }

.sidebar-scroll::-webkit-scrollbar{ width:7px; }
.sidebar-scroll::-webkit-scrollbar-track{ background:transparent; }
.sidebar-scroll::-webkit-scrollbar-thumb{ background:rgba(255,255,255,.17); border-radius:99px; }
.sidebar-scroll::-webkit-scrollbar-thumb:hover{ background:rgba(255,255,255,.28); }

/* ---------- desktop shell ---------- */
@media (min-width: 961px){
  .app{ height:100vh; min-height:660px; overflow:hidden; }
  .main{ flex:1; min-height:0; align-items:stretch; }
  .stage-panel{ min-height:0; }
  .thumbs{ grid-template-columns:repeat(5, minmax(0,1fr)); }
}

@media (max-width: 960px){
  .main{ grid-template-columns:minmax(0,1fr); }
  .stage-panel{ min-height:420px; }
  .stage{ padding:20px; min-height:360px; }
  .canvas{ max-height:58vh; }
  .sidebar{ max-width:680px; width:100%; margin:0 auto; overflow:visible; }
  .sidebar-scroll{ overflow:visible; flex:none; }
  .topbar{ padding:18px 18px 14px; }
  .main{ padding:0 18px 18px; }
}

@media (max-width: 720px){
  .stage{ min-height:300px; padding:14px; }
  .canvas{ max-height:46vh; }
  .stage-foot{ padding:9px 13px; font-size:10px; flex-wrap:wrap; gap:6px 10px; }
  .stage-foot .info{ flex:1 1 100%; }
  .stage-foot .tag{ display:none; }
  .stage-foot-right{ width:100%; flex-wrap:wrap; gap:8px; }
  .topbar{ padding:15px 14px 12px; gap:10px; }
  .main{ padding:0 12px 14px; gap:12px; }
  .privacy{ font-size:10.5px; padding:7px 10px; }
  .privacy span.label{ display:none; }
  .empty{ padding:30px 18px 26px; }
  .empty h2{ font-size:14.5px; }
}

@media (max-width: 380px){
  .dock-colors{ gap:5px; }
  .swatch{ width:26px; height:26px; border-radius:8px; }
  .custom-color--mini,
  .custom-color--mini .custom-swatch-wrap{ width:26px; height:26px; }
}

@media (hover: none){
  .thumb-remove, .thumb-move{ opacity:1; transform:none; }
  .thumb-move{ transform:translateX(-50%); }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
}