:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#120c1c;--bg-elev:#1c1328;--bg-elev-2:#261a38;--gold:#d4b45a;--gold-dim:#8a7030;--text:#f4e9d4;--muted:#b5a48a;--accent:#9b6dff;--danger:#e05d5d;--radius:14px;--sans:"PingFang TC", "Noto Sans TC", "Hiragino Sans GB", sans-serif;font:16px/1.45 var(--sans);background:var(--bg);color:var(--text)}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:radial-gradient(1200px 600px at 50% 110%, #3b1d6a 0%, transparent 55%), var(--bg)}#root{max-width:720px;margin:0 auto}button,input{font:inherit}.page{padding:20px 16px calc(28px + env(safe-area-inset-bottom));flex-direction:column;gap:16px;display:flex}.hero h1,.card h2{letter-spacing:.02em;margin:0 0 8px;font-weight:650}.hero h1{color:var(--text);font-size:1.8rem}.byline{color:var(--muted);margin:0 0 8px;font-size:.95rem}.byline a{color:var(--gold);text-decoration:none}.byline a:hover{text-decoration:underline}.eyebrow{color:var(--gold);letter-spacing:.12em;margin:0 0 6px;font-size:.8rem}.lead,.hint,.progress,.status{color:var(--muted);margin:0}.toolbar{align-items:stretch;gap:8px;display:flex}.mode-toggle{background:var(--bg-elev);border-radius:var(--radius);cursor:pointer;border:1px solid #3a2b55;flex:1;align-items:center;gap:12px;min-width:0;padding:12px 14px;display:flex}.mode-toggle.on{border-color:var(--accent)}.mode-toggle input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.mode-toggle .switch{background:#3a2b55;border-radius:999px;flex:none;width:44px;height:26px;position:relative}.mode-toggle .switch:after{content:"";background:#f4e9d4;border-radius:50%;width:20px;height:20px;transition:transform .15s;position:absolute;top:3px;left:3px}.mode-toggle.on .switch{background:var(--accent)}.mode-toggle.on .switch:after{transform:translate(18px)}.mode-toggle span{color:var(--text);font-weight:650}.refresh-btn{background:var(--bg-elev);border-radius:var(--radius);width:52px;min-height:52px;color:var(--text);border:1px solid #3a2b55;flex:none;place-items:center;padding:0;display:grid}.refresh-btn:disabled{opacity:.4}.card,.dropzone{background:var(--bg-elev);border-radius:var(--radius);border:1px solid #3a2b55;padding:16px}.muted-card{background:#181022}.row{align-items:center;gap:8px;display:flex}.row.wrap{flex-wrap:wrap}.row input,.title-input,label input{min-width:0;color:var(--text);background:#120c1c;border:1px solid #4a3a68;border-radius:10px;flex:1;padding:10px 12px}label{color:var(--muted);align-items:center;gap:8px;display:flex}label input{flex:none;width:72px}button{cursor:pointer;border:0;border-radius:10px;padding:10px 14px}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:var(--gold);color:#1a1020;font-weight:700}.ghost{background:var(--bg-elev-2);color:var(--text)}.ghost.danger,.danger{color:var(--danger)}.error{color:var(--danger);margin:0}.session-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.session-list li{gap:8px;display:flex}.session-item{text-align:left;background:var(--bg-elev-2);color:var(--text);flex-direction:column;flex:1;gap:4px;display:flex}.session-item span{color:var(--muted);font-size:.85rem}.session-head{align-items:center;gap:8px;display:flex}.title-input{font-size:1.15rem;font-weight:650}.dropzone{text-align:center;border-style:dashed;flex-direction:column;align-items:center;gap:12px;display:flex}.dropzone.active{border-color:var(--gold);background:#2a1c40}.board-preview{background:#0e0a16;border-radius:12px;gap:6px;padding:10px;display:grid}.board-cell{aspect-ratio:1;border:2px solid var(--gold-dim);background:#2a1c3c;border-radius:8px;position:relative;overflow:hidden}.board-cell img{object-fit:cover;width:100%;height:100%;display:block}.unknown{height:100%;color:var(--gold);place-items:center;font-size:1.4rem;font-weight:700;display:grid}.pair-badge{min-width:20px;height:20px;color:var(--gold);background:#140c1e;border-radius:999px;place-items:center;padding:0 5px;font-size:.75rem;font-weight:700;display:grid;position:absolute;top:4px;left:4px}.file-btn{justify-content:center;align-items:center;min-width:140px;min-height:44px;display:inline-flex;position:relative;overflow:hidden}.file-btn input[type=file]{opacity:0;cursor:pointer;background:0 0;border:0;width:100%;height:100%;margin:0;padding:0;font-size:64px;position:absolute;inset:0}.file-btn.is-busy{pointer-events:none;opacity:.5}.result-image{background:#0e0a16;border-radius:12px;width:100%;height:auto;display:block}.actions{flex-wrap:wrap;gap:8px;display:flex}.site-footer{color:var(--muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 16px;margin-top:8px;padding-top:16px;font-size:.85rem;display:flex}.site-footer a{color:var(--muted);align-items:center;gap:6px;text-decoration:none;display:inline-flex}.site-footer a:hover{color:var(--gold)}