:root{--bg: #12131a;--bg-raised: #1a1c25;--bg-sunken: #0e0f15;--border: #2a2d3a;--text: #e6e8ef;--text-dim: #9aa0b0;--accent: #5b8def;--accent-soft: rgba(91, 141, 239, .16);--sq-light: #b9a687;--sq-dark: #7a6248;--sq-select: rgba(91, 141, 239, .55);--sq-last: rgba(233, 196, 106, .38);--good: #3fb950;--bad: #e5534b;--radius: 10px;--shadow: 0 10px 32px rgba(0, 0, 0, .45);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--border);background:var(--bg-raised);border-radius:8px;padding:7px 12px;transition:background .15s,border-color .15s,transform 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var(--border);background:var(--bg-raised);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px}.brand-mark{font-size:30px;line-height:1;color:var(--accent)}.brand h1{margin:0;font-size:18px;letter-spacing:-.01em}.brand p{margin:0;font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.09em}.head-actions{display:flex;gap:8px;flex-wrap:wrap}.layout{flex:1;display:grid;grid-template-columns:290px minmax(0,1fr) 390px;gap:22px;padding:22px;align-items:start}@media(max-width:1500px){.layout{grid-template-columns:260px minmax(0,1fr)}.layout .side-col{grid-column:1 / -1}}@media(max-width:900px){.layout{grid-template-columns:minmax(0,1fr)}.layout .side-col{grid-column:auto}}.games-col{display:flex;flex-direction:column;gap:14px;min-width:0;position:sticky;top:22px}@media(max-width:900px){.games-col{position:static}}.board-col{display:flex;flex-direction:column;gap:14px;align-items:center}.board-row{display:flex;gap:12px;align-items:stretch;width:100%;max-width:620px}.side-col{display:flex;flex-direction:column;gap:16px;min-width:0}.board-wrap{flex:1;min-width:0}.board{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);aspect-ratio:1;width:100%;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);user-select:none}.square{position:relative;display:flex;align-items:center;justify-content:center}.square.light{background:var(--sq-light)}.square.dark{background:var(--sq-dark)}.square.last-move:after{content:"";position:absolute;inset:0;background:var(--sq-last);pointer-events:none}.square.selected:after{content:"";position:absolute;inset:0;background:var(--sq-select);pointer-events:none}.piece-holder{position:relative;z-index:2;width:88%;height:88%;display:flex;align-items:center;justify-content:center;cursor:grab}.piece-holder:active{cursor:grabbing}.piece{display:block;pointer-events:none;filter:drop-shadow(0 2px 2px rgba(0,0,0,.35))}.legal-dot{position:absolute;width:26%;height:26%;border-radius:50%;background:#14141957;z-index:3;pointer-events:none}.coord{position:absolute;font-size:10px;font-weight:700;color:#14120e80;pointer-events:none;z-index:4}.coord.rank{top:3px;left:4px}.coord.file{bottom:2px;right:5px}.score-badge{position:absolute;top:4px;right:4px;z-index:6;min-width:24px;height:20px;padding:0 5px;border-radius:6px;font-size:11px;font-weight:700;color:#fff;display:flex;align-items:center;justify-content:center;gap:2px;box-shadow:0 1px 4px #00000080;pointer-events:none;font-variant-numeric:tabular-nums}.score-badge.is-best{outline:2px solid rgba(255,255,255,.85);outline-offset:-1px}.alt-dot{width:3px;height:3px;border-radius:50%;background:#ffffffd9}.best-ring{position:absolute;inset:8%;border:3px solid rgba(63,185,80,.9);border-radius:50%;z-index:5;pointer-events:none}.eval-bar{position:relative;width:26px;border-radius:8px;overflow:hidden;background:#2b2b30;box-shadow:var(--shadow);display:flex;flex-direction:column-reverse}.eval-bar.flipped{flex-direction:column}.eval-white{background:#f2efe8;width:100%;transition:height .35s ease}.eval-label{position:absolute;left:0;right:0;text-align:center;font-size:10px;font-weight:700;font-variant-numeric:tabular-nums}.eval-label.on-white{bottom:4px;color:#23242c}.eval-label.on-black{top:4px;color:#e8e8ee}.board-controls{display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:center;width:100%;max-width:620px}.control-group{display:flex;align-items:center;gap:8px}.control-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}.segmented{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.segmented 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8px;font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--text-dim)}.palette-row{display:flex;align-items:center;gap:10px;margin-bottom:7px}.palette-label{font-size:12px;color:var(--text-dim);width:42px}.palette{display:flex;gap:4px}.palette-btn{width:38px;height:38px;padding:3px;display:flex;align-items:center;justify-content:center;background:var(--bg-sunken)}.palette-btn.active{border-color:var(--accent);background:var(--accent-soft)}.field{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}.field-block{display:block;margin-bottom:10px}.field-label{font-size:12px;color:var(--text-dim);display:block;margin-bottom:4px}.field .field-label{margin-bottom:0;width:58px}.castle-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 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div{display:flex;flex-direction:column;font-size:13px}.game-list{list-style:none;margin:0;padding:0;max-height:340px;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.game-list button{width:100%;display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:10px;align-items:center;text-align:left;background:var(--bg-sunken);font-size:13px}.result-chip{width:22px;height:22px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:11px;color:#fff}.result-chip.win{background:var(--good)}.result-chip.loss{background:var(--bad)}.result-chip.draw{background:#6d7280}.game-main{display:flex;flex-direction:column;min-width:0}.game-sub{font-size:11px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.game-meta{display:flex;flex-direction:column;align-items:flex-end;font-size:11px;white-space:nowrap}.pgn-input{min-height:200px}.active-games{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:14px 14px 12px;max-height:calc(100vh - 110px);display:flex;flex-direction:column}.ghost-btn{border:none;background:transparent;color:var(--text-dim);padding:3px 7px;font-size:13px}.ghost-btn:hover:not(:disabled){background:#2b2f3d;color:var(--text)}.game-cards{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;overflow-y:auto;min-height:0}.game-card{width:100%;display:grid;grid-template-columns:76px minmax(0,1fr);gap:11px;align-items:center;text-align:left;padding:9px;background:var(--bg-sunken);border-color:transparent}.game-card.your-move{border-color:#3fb95073}.game-card.selected{border-color:var(--accent);background:var(--accent-soft)}.card-body{display:flex;flex-direction:column;gap:3px;min-width:0}.card-top{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-meta{display:flex;align-items:center;gap:6px;font-size:11px;flex-wrap:wrap}.turn-chip{padding:1px 6px;border-radius:4px;font-weight:600;font-size:10px;text-transform:uppercase;letter-spacing:.04em}.turn-chip.mine{background:#3fb9502e;color:#6ed37f}.turn-chip.theirs{background:#2b2f3d;color:var(--text-dim)}.card-eval{display:flex;align-items:center;gap:6px;font-size:11px}.eval-num{font-variant-numeric:tabular-nums;font-weight:700;min-width:32px}.adv-track{flex:1;height:4px;border-radius:2px;background:#33374a;overflow:hidden;min-width:30px}.adv-fill{display:block;height:100%;transition:width .4s ease}.best-hint{white-space:nowrap}.card-opening{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-board{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);width:76px;height:76px;border-radius:5px;overflow:hidden;flex-shrink:0}.mini-square{display:flex;align-items:center;justify-content:center}.mini-square.light{background:var(--sq-light)}.mini-square.dark{background:var(--sq-dark)}.mini-square.lit{background:#c9b56b}.mini-square .piece{width:100%;height:100%;filter:none}.account-chip{display:inline-flex;align-items:center;gap:2px;padding:5px 6px 5px 11px;border:1px solid var(--border);border-radius:8px;background:var(--bg-sunken);font-size:13px;font-weight:600}.live-banner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;width:100%;max-width:620px;padding:9px 13px;border-radius:9px;background:var(--bg-raised);border:1px solid var(--border);font-size:13px}.live-banner.mine{border-color:#3fb95080;background:#3fb95014}.live-banner .ghost-btn{margin-left:auto;color:var(--accent)}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%);background:#262a38;border:1px solid var(--border);border-radius:9px;padding:10px 18px;font-size:14px;box-shadow:var(--shadow);z-index:200}