:root{--bg:#16181c;--surface:#1f2228;--surface-2:#272b33;--border:#323742;--text:#e7e9ee;--muted:#9aa1ad;--accent:#5fa83b;--accent-2:#4f8fd8;--danger:#d93b3b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:var(--accent);color:#fff;border:1px solid #0000;border-radius:8px;padding:8px 14px;font-weight:600}button:disabled{opacity:.5;cursor:default}button.ghost{background:var(--surface-2);border-color:var(--border);color:var(--text);font-weight:500}button.full{width:100%;margin-top:8px}input,select,textarea{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:8px 10px}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-2);outline-offset:-1px}.muted{color:var(--muted)}.small{font-size:12.5px}.pad{padding:12px}.topbar{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:16px;padding:10px 20px;display:flex}.brand{white-space:nowrap;font-size:17px;font-weight:700}.brand-mark{color:var(--accent);font-size:20px}.user-form{flex:1;gap:8px;min-width:260px;max-width:460px;display:flex}.user-form input{flex:1;min-width:0}.top-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.depth{color:var(--muted);align-items:center;gap:6px;display:flex}.pgn-panel{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 20px}.pgn-panel textarea{width:100%;font-family:ui-monospace,Consolas,monospace;font-size:13px}.pgn-actions{gap:8px;margin-top:8px;display:flex}.banner{border-radius:8px;margin:12px 20px 0;padding:10px 14px}.banner.error{background:#3a1d1f;border:1px solid #6b2b2f}.panel .banner{margin:0}.layout{grid-template-columns:280px minmax(320px,1fr) 360px;align-items:start;gap:20px;padding:20px;display:grid}.sidebar,.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px}.panel{flex-direction:column;gap:12px;max-height:calc(100vh - 110px);display:flex;overflow:hidden}.sidebar{max-height:calc(100vh - 110px);overflow-y:auto}.center{flex-direction:column;align-items:center;gap:8px;min-width:0;display:flex}.intro h2{margin:4px 0 8px;font-size:18px}.watch{border-bottom:1px solid var(--border);margin-bottom:8px;padding-bottom:10px}.watch p{margin:8px 2px 0}.watch-toggle{background:var(--surface-2);border-color:var(--border);width:100%;color:var(--text);align-items:center;gap:8px;display:flex}.watch-dot{background:var(--muted);border-radius:50%;width:9px;height:9px}.watch-toggle.on{border-color:var(--accent)}.watch-toggle.on .watch-dot{background:var(--accent);animation:1.6s infinite pulse}@keyframes pulse{50%{opacity:.3}}.game-list{margin:0;padding:0;list-style:none}.game-item{text-align:left;width:100%;color:var(--text);background:0 0;align-items:center;gap:10px;padding:8px;font-weight:400;display:flex}.game-item:hover{background:var(--surface-2)}.game-item.selected{background:var(--surface-2);border-color:var(--border)}.game-main{flex-direction:column;min-width:0;display:flex}.game-opp{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.game-meta{text-transform:capitalize;font-size:12px}.result-dot{background:var(--muted);border-radius:3px;flex:none;width:10px;height:10px}.result-dot.win{background:var(--accent)}.result-dot.loss{background:var(--danger)}.fresh{background:var(--accent-2);color:#fff;border-radius:999px;margin-left:6px;padding:1px 6px;font-size:11px}.board-wrap{gap:10px;width:min(100%,100vh - 230px,720px);display:flex}.board{border-radius:6px;flex:1;min-width:0;overflow:hidden}.eval-bar{background:#3b3e45;border-radius:4px;flex-direction:column-reverse;flex:none;width:26px;display:flex;position:relative;overflow:hidden}.board-wrap.black .eval-bar{flex-direction:column}.eval-bar-white{background:#f1f1f1;transition:height .25s}.eval-bar-text{text-align:center;font-size:10px;font-weight:700;position:absolute;left:0;right:0}.eval-bar-text.on-white{color:#222;bottom:4px}.eval-bar-text.on-black{color:#eee;top:4px}.board-wrap.black .eval-bar-text.on-white{top:4px;bottom:auto}.board-wrap.black .eval-bar-text.on-black{top:auto;bottom:4px}.square-badge{z-index:5;color:#fff;pointer-events:none;border-radius:999px;justify-content:center;align-items:center;min-width:22px;height:22px;padding:0 4px;font-size:12px;font-weight:800;display:flex;position:absolute;top:-6px;right:-6px;box-shadow:0 1px 4px #00000080}.player-strip{width:min(100%,100vh - 230px,720px);padding-left:36px}.player-tag{align-items:center;gap:8px;font-weight:600;display:inline-flex}.piece-dot{border:1px solid #888;border-radius:3px;width:14px;height:14px}.piece-dot.w{background:#f1f1f1}.piece-dot.b{background:#222}.nav{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.nav button:not(.ghost){background:var(--surface-2);border-color:var(--border);min-width:44px}.check{color:var(--muted);align-items:center;gap:6px;margin-left:6px;display:flex}.empty-board{text-align:center;padding:80px 20px}.progress{background:var(--surface-2);border-radius:6px;flex:none;justify-content:center;align-items:center;height:26px;font-size:13px;display:flex;position:relative;overflow:hidden}.progress-bar{background:#2f5a22;transition:width .2s;position:absolute;inset:0 auto 0 0}.progress span{position:relative}.coach{background:var(--surface-2);border-radius:8px;flex:none;align-items:center;gap:10px;min-height:58px;padding:10px 12px;display:flex}.eval-graph{cursor:pointer;border-radius:6px;flex:none;width:100%;height:90px}.eval-graph-bg{fill:#3b3e45}.eval-graph-area{fill:#f1f1f1}.eval-graph-mid{stroke:#888;stroke-width:1px;vector-effect:non-scaling-stroke;stroke-dasharray:3 3}.eval-graph-cursor{stroke:var(--accent-2);stroke-width:2px;vector-effect:non-scaling-stroke}.summary{flex-direction:column;flex:none;gap:8px;display:flex}.accuracy-row{grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;display:grid}.accuracy-label{font-size:12px}.accuracy-card{text-align:center;border-radius:8px;padding:8px}.accuracy-card.light{color:#1b1d21;background:#e9ebef}.accuracy-card.dark{border:1px solid var(--border);background:#111316}.accuracy-card .muted{color:inherit;opacity:.6}.accuracy-name{text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.accuracy-value{font-size:22px;font-weight:800}.label-table{border-collapse:collapse;width:100%;font-size:13px}.label-table td{padding:3px 4px}.label-table td.count{text-align:center;width:40px;font-weight:700}.label-table td:nth-child(2){align-items:center;gap:8px;display:flex}.move-badge{color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:20px;height:18px;margin-right:5px;padding:0 3px;font-size:11px;font-weight:800;display:inline-flex}.move-badge.big{flex:none;min-width:32px;height:32px;margin:0;font-size:15px}.move-list{border-top:1px solid var(--border);flex:1;min-height:120px;padding-top:6px;overflow-y:auto}.move-row{grid-template-columns:38px 1fr 1fr;align-items:center;display:grid}.move-number{color:var(--muted);font-size:13px}.move-cell{text-align:left;color:var(--text);background:0 0;border-radius:6px;align-items:center;padding:4px 6px;font-weight:500;display:flex}.move-cell:hover{background:var(--surface-2)}.move-cell.selected{background:#33445a}.move-cell.empty{display:block}.source-link{text-align:center;flex:none}@media (width<=1180px){.layout{grid-template-columns:260px 1fr}.panel{grid-column:1/-1;max-height:none}.move-list{max-height:320px}}@media (width<=760px){.layout{grid-template-columns:1fr;padding:12px 16px}.sidebar{max-height:320px}.board-wrap,.player-strip{width:100%}.top-actions{margin-left:0}}.tabs{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;gap:4px;padding:3px;display:flex}.tabs button{color:var(--muted);background:0 0;padding:6px 12px;font-weight:600}.tabs button.on{background:var(--accent);color:#fff}.play-side h2{margin:4px 0 10px;font-size:18px}.setup,.controls{flex-direction:column;gap:8px;display:flex}.controls .full{margin-top:0}.field{margin-bottom:6px}.field-label{color:var(--muted);margin-bottom:6px;font-size:12.5px}.levels{flex-direction:column;gap:2px;display:flex}.level{color:var(--text);background:0 0;justify-content:space-between;padding:6px 10px;font-weight:500;display:flex}.level:hover{background:var(--surface-2)}.level.selected{background:var(--surface-2);border-color:var(--accent)}.segmented{gap:4px;display:flex}.segmented.wrap{flex-wrap:wrap}.segmented button{background:var(--surface-2);border-color:var(--border);color:var(--text);white-space:nowrap;flex:1;padding:6px 8px;font-weight:500}.segmented button.on{border-color:var(--accent);background:#2c3a26}.play-button{margin-top:4px;padding:12px;font-size:16px}.check.field{align-items:flex-start;margin-left:0;font-size:13px}.player-strip.play{justify-content:space-between;align-items:center;display:flex}.thinking{color:var(--accent-2);font-size:12.5px;font-weight:400;animation:1.2s infinite pulse}.clock{background:var(--surface-2);color:var(--muted);border-radius:6px;padding:3px 10px;font-family:ui-monospace,Consolas,monospace;font-size:18px;font-weight:700}.clock.active{color:#1b1d21;background:#e9ebef}.clock.active.low{background:var(--danger);color:#fff}.eval-bar.hidden{visibility:hidden}.coach-text{flex-direction:column;align-items:flex-start;gap:4px;display:flex}.small-button{margin-top:2px;padding:4px 10px;font-size:12.5px}.result-card{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;flex:none;padding:12px}.result-card.win{border-color:var(--accent)}.result-card.loss{border-color:var(--danger)}.result-title{margin-bottom:10px;font-size:18px;font-weight:700}.result-actions{gap:8px;display:flex}.move-cell.static{cursor:default}.move-cell.static:hover{background:0 0}