:root{--bg: #f3f1ec;--panel: #fbfaf7;--fg: #2b241f;--muted: #7b6f66;--line: #e2ddd4;--accent: #5d6aa0;--accent-ink: #fff;--ok: #3b7a3b;--ok-line: #9cc59c;--warn: #a8551c;--warn-line: #e2b48f;--danger: #c0392b;--aida: #fdfcf9;--f-display: "Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;--f-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;--f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #1c1916;--panel: #26221e;--fg: #f0e9e1;--muted: #a69a8f;--line: #3a342e;--accent: #9aa8e0;--accent-ink: #1c1916;--ok: #8fcf8f;--ok-line: #4b7a4b;--warn: #f0a46c;--warn-line: #7a5236;color-scheme:dark}}:root[data-theme=dark]{--bg: #1c1916;--panel: #26221e;--fg: #f0e9e1;--muted: #a69a8f;--line: #3a342e;--accent: #9aa8e0;--accent-ink: #1c1916;--ok: #8fcf8f;--ok-line: #4b7a4b;--warn: #f0a46c;--warn-line: #7a5236;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:15px;line-height:1.45;-webkit-tap-highlight-color:transparent;padding-bottom:env(safe-area-inset-bottom,0px)}a{color:inherit;text-decoration:none}h1{font-family:var(--f-display);font-weight:700;font-size:22px;margin:0 0 6px;letter-spacing:-.01em;text-wrap:balance}h2{font-family:var(--f-display);font-weight:700;font-size:18px;margin:0 0 6px}h2.sub{font-family:var(--f-body);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;margin:22px 0 8px}.wrap{max-width:1100px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.muted{color:var(--muted)}.small{font-size:13px}.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}.center{text-align:center;padding:24px 0}.row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.error{color:var(--danger);background:color-mix(in srgb,var(--danger) 8%,transparent);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);padding:10px 12px;border-radius:10px;margin:10px 0;font-size:14px}.tabs{position:sticky;top:0;z-index:5;display:flex;gap:4px;padding:8px max(12px,env(safe-area-inset-left,0px));background:var(--panel);border-bottom:1px solid var(--line);overflow-x:auto}.tabs a{padding:8px 14px;border-radius:999px;font-weight:500;font-size:14px;color:var(--muted);white-space:nowrap}.tabs a.active{background:var(--fg);color:var(--bg)}.page{padding-top:16px;padding-bottom:40px}.btn{font:inherit;font-size:13.5px;font-weight:500;border:1.5px solid var(--line);background:var(--panel);color:var(--fg);border-radius:8px;padding:7px 12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn:hover:not(:disabled){border-color:var(--muted)}.btn:disabled{opacity:.45;cursor:default}.btn.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.pri{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn.warn{border-color:var(--danger);color:var(--danger)}.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn.wide{width:100%;padding:12px;font-size:15px;margin-top:12px}.btn:focus-visible,.step:focus-visible,.chip:focus-visible,.mode:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.bar{display:inline-block;width:120px;height:6px;border-radius:3px;background:var(--line);overflow:hidden;vertical-align:middle}.bar i{display:block;height:100%;background:var(--accent);width:0;transition:width .3s}.input{font:inherit;width:100%;padding:10px 12px;border-radius:10px;border:1.5px solid var(--line);background:var(--panel);color:var(--fg)}.field{display:grid;gap:6px;margin-top:12px;font-size:13px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}.card:hover{border-color:var(--muted)}.card .thumb{width:100%;aspect-ratio:1;object-fit:contain;background:var(--aida);border-bottom:1px solid var(--line);display:block}.card-body{padding:10px 12px 12px;display:grid;gap:4px}.card-title{font-weight:600}.card .pr{display:flex;align-items:center;gap:8px}.card .pr .bar{flex:1;width:auto;height:4px}.thumb.ph{background:repeating-linear-gradient(45deg,var(--line) 0 2px,transparent 2px 10px)}.pixel{image-rendering:pixelated}.pulse{animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{50%{opacity:.5}}.spin{display:inline-block;width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px}@keyframes spin{to{transform:rotate(360deg)}}.empty{text-align:center;padding:40px 8px;max-width:420px;margin:0 auto}.empty-art{font-family:var(--f-mono);font-size:28px;letter-spacing:6px;color:var(--accent);margin-bottom:12px}.filters{display:grid;gap:10px;margin-bottom:14px}.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{font:inherit;font-size:13px;padding:5px 11px;border-radius:999px;border:1.5px solid var(--line);background:var(--panel);color:var(--fg);cursor:pointer}.chip[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.chip.static{cursor:default;font-size:12px}.detail{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:24px;align-items:start}@media(max-width:720px){.detail{grid-template-columns:minmax(0,1fr)}}.detail .thumb,.detail canvas.thumb{width:100%;max-width:360px;aspect-ratio:auto;border-radius:12px;border:1px solid var(--line);background:var(--aida);display:block}.thumb.big{aspect-ratio:1}.palette{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:6px}.palette li{display:flex;gap:10px;align-items:center;font-size:14px}.sw{width:34px;height:34px;border-radius:7px;display:grid;place-items:center;font-size:17px;line-height:1;border:1px solid rgba(0,0,0,.15);flex:none}.warnings{font-size:13px;color:var(--warn);padding-left:18px}.upload{max-width:640px;margin:0 auto;display:grid;gap:12px}.modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:480px){.modes{grid-template-columns:1fr}}.mode{font:inherit;text-align:left;display:grid;gap:4px;padding:14px;border-radius:12px;border:1.5px solid var(--line);background:var(--panel);color:var(--fg);cursor:pointer}.mode[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.mode-ico{font-size:22px}.drop{display:grid;place-items:center;min-height:160px;border:2px dashed var(--line);border-radius:12px;background:var(--panel);cursor:pointer;color:var(--accent);font-weight:600;overflow:hidden}.drop img{max-width:100%;max-height:320px;display:block}.opts{display:grid;gap:12px;font-size:14px}.opts label{display:grid;gap:4px}.opts input[type=range]{width:100%;accent-color:var(--accent)}.opts .check{display:flex;gap:8px;align-items:center}.stitch-head{position:sticky;top:0;z-index:5;background:var(--panel);border-bottom:1px solid var(--line)}.stitch-head .wrap{padding-block:12px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.stitch-head h1{margin:0}.total{flex-wrap:wrap;justify-content:flex-end;margin-left:auto;display:flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:13px;color:var(--muted)}.sync{font-family:var(--f-body);font-size:12px;padding:3px 8px;border-radius:999px;border:1px solid var(--line);white-space:nowrap}.sync.ok{color:var(--ok);border-color:var(--ok-line)}.sync.warn{color:var(--warn);border-color:var(--warn-line)}.stitch-main{padding-block:16px 40px;display:grid;grid-template-columns:280px minmax(0,1fr);gap:20px;align-items:start}@media(max-width:820px){.stitch-main{grid-template-columns:minmax(0,1fr)}}.steps{display:flex;flex-direction:column;gap:6px}.steps h2{font-family:var(--f-body);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 4px;font-weight:600}@media(max-width:820px){.steps{flex-direction:row;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x proximity;margin-inline:-4px;padding-inline:4px}.steps h2{display:none}.step{min-width:150px;scroll-snap-align:start}}@media(min-width:821px){.steps{position:sticky;top:72px;max-height:calc(100vh - 90px);overflow-y:auto}}.step{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;text-align:left;background:var(--panel);border:1.5px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;color:var(--fg);font:inherit}.step:hover{border-color:var(--muted)}.step[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.step .nm{font-weight:600;font-size:14px;display:flex;gap:6px;align-items:baseline;flex-wrap:wrap}.step .nm small{font-weight:400;color:var(--muted);font-size:12px}.step .pr{display:flex;align-items:center;gap:8px;margin-top:4px;font-family:var(--f-mono);font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}.step .pr .bar{width:auto;flex:1;height:4px}.step.done .nm:after{content:"✓";color:var(--accent);font-weight:700}.tool{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:10px}.zoom{display:inline-flex}.zoom .btn{border-radius:0;padding:7px 11px}.zoom .btn:first-child{border-radius:8px 0 0 8px}.zoom .btn:last-child{border-radius:0 8px 8px 0;margin-left:-1.5px}.spacer{flex:1}.info{font-size:13px;color:var(--muted);min-height:20px;margin:0 0 8px;font-variant-numeric:tabular-nums}.info b{color:var(--fg);font-weight:600}.chartbox{overflow:auto;height:min(78vh,900px);border-radius:10px;border:1px solid var(--line);background:var(--aida);-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y;user-select:none;-webkit-user-select:none;overscroll-behavior:contain}.chartbox.paint{touch-action:none}.chartcanvas{position:sticky;top:0;left:0;display:block}.confirm{display:inline-flex;gap:8px;align-items:center;font-size:13px;flex-wrap:wrap}.legendnote{font-size:12.5px;color:var(--muted);margin-top:10px;max-width:65ch}@media(prefers-reduced-motion:reduce){.bar i{transition:none}.spin,.pulse{animation:none}}