:root{--bg: #11161d;--bg-2: #1b222c;--bg-3: #232c38;--line: #2e3947;--text: #e6ebf1;--muted: #8a97a6;--accent: #f5c518;--accent-2: #3b9ed1;--danger: #d1495b;--ok: #4a9d5b;--radius: 10px;--shadow: 0 6px 24px rgba(0, 0, 0, .25)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--accent-2);text-decoration:none}h1,h2,h3{font-weight:650;letter-spacing:-.01em}code{background:var(--bg-3);padding:1px 5px;border-radius:4px;font-size:.85em}.app{min-height:100vh}.muted{color:var(--muted)}.small{font-size:.82rem}.centered{min-height:70vh;display:flex;align-items:center;justify-content:center}button{font-family:inherit;cursor:pointer}.btn-primary{background:var(--accent);color:#1a1500;border:none;border-radius:8px;padding:9px 16px;font-weight:600;transition:filter .15s}.btn-primary:hover{filter:brightness(1.07)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:7px 13px}.btn-ghost:hover{background:var(--bg-3)}.btn-ghost.small{padding:4px 10px;font-size:.82rem}input,textarea{font-family:inherit;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:9px 11px;font-size:.95rem}input:focus,textarea:focus{outline:2px solid var(--accent-2);border-color:transparent}label{display:flex;flex-direction:column;gap:6px;font-size:.88rem;color:var(--muted)}label.inline{flex-direction:row;align-items:center;gap:8px}.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.error-banner{background:#d1495b21;border:1px solid var(--danger);color:#ffb3bd;border-radius:8px;padding:10px 13px;font-size:.9rem}.success-banner{background:#4a9d5b21;border:1px solid var(--ok);color:#b6e6c1;border-radius:8px;padding:10px 13px;font-size:.9rem}.appbar{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;background:var(--bg-2);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{color:var(--text);font-weight:700;font-size:1.05rem}.appbar nav{display:flex;align-items:center;gap:14px}.appbar-links{display:flex;align-items:center;gap:4px}.appbar-links a{color:var(--muted);padding:7px 12px;border-radius:8px;font-size:.92rem;font-weight:500;transition:background .15s,color .15s}.appbar-links a:hover{color:var(--text);background:var(--bg-3)}.appbar-links a.active{color:var(--accent);background:#f5c5181a}.user-chip{color:var(--muted);font-size:.88rem;text-decoration:none}.user-chip:hover{color:var(--text)}.settings-gear{display:none;color:var(--muted);text-decoration:none;font-size:1.1rem}.bottom-nav{display:none}.login-split{display:grid;grid-template-columns:1.1fr 1fr;min-height:100vh}.login-hero{display:flex;flex-direction:column;justify-content:center;gap:18px;padding:48px 56px;border-right:1px solid var(--line);background:radial-gradient(120% 120% at 0% 0%,rgba(245,197,24,.12),transparent 55%),radial-gradient(120% 120% at 100% 100%,rgba(59,158,209,.12),transparent 55%),var(--bg-2)}.login-hero-brand{font-size:2rem;font-weight:700;letter-spacing:-.02em}.login-hero-tagline{color:var(--muted);font-size:1.05rem;max-width:30ch;margin:0;line-height:1.5}.login-hero-board{width:100%;max-width:360px}.login-hero-chips{display:flex;flex-wrap:wrap;gap:8px}.login-hero-chips span{background:var(--bg-3);border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:.85rem;color:var(--text)}.login-form-panel{display:flex;align-items:center;justify-content:center;padding:32px 28px;background:var(--bg)}.login-form{width:100%;max-width:340px;display:flex;flex-direction:column;gap:14px}.login-form-title{margin:0;font-size:1.5rem}.login-card{width:360px;display:flex;flex-direction:column;gap:14px}.login-title{margin:0}.hint{font-size:.8rem;color:var(--muted)}.link-btn{background:none;border:none;color:var(--accent-2);cursor:pointer;padding:0;font-size:inherit}.link-btn:hover{text-decoration:underline}.user-actions{display:flex;gap:8px;justify-content:flex-end}.container{max-width:1080px;margin:0 auto;padding:24px 22px;display:flex;flex-direction:column;gap:26px}.upload-card{display:flex;flex-direction:column;gap:12px}.pgn-input{resize:vertical;font-family:ui-monospace,monospace;font-size:.85rem}.upload-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.inline input[type=number]{width:64px}.game-name{font-weight:600;margin-bottom:4px}.game-opening{margin-top:3px}.games-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.table-search{flex:1 1 220px;min-width:0}.games-count{margin-left:auto;white-space:nowrap}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--bg-2)}.games-table{width:100%;border-collapse:collapse;font-size:.9rem}.games-table thead th{text-align:left;padding:9px 14px;background:var(--bg-3);color:var(--muted);font-weight:600;font-size:.74rem;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line);white-space:nowrap}.th-sort{cursor:pointer;-webkit-user-select:none;user-select:none}.th-sort:hover,.th-active{color:var(--text)}.th-arrow{margin-left:5px;font-size:.7rem;opacity:.45}.th-active .th-arrow{opacity:1}.games-table tbody td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:middle}.games-table tbody tr:last-child td{border-bottom:none}.game-row{cursor:pointer}.game-row:hover td{background:var(--bg-3)}.col-center{text-align:center}.col-date{white-space:nowrap;color:var(--muted)}.col-actions{text-align:right;white-space:nowrap}.row-actions{display:flex;gap:6px;justify-content:flex-end}.players-cell{display:flex;flex-direction:column;gap:3px}.player-line{display:flex;align-items:center;gap:7px;white-space:nowrap}.player-you .player-name{font-weight:600}.side-square{width:11px;height:11px;border-radius:3px;border:1px solid var(--line);flex:none}.side-square.side-white{background:#eef1f5}.side-square.side-black{background:#11161d}.player-name{color:var(--text)}.player-elo{color:var(--muted);font-size:.82rem}.you-tag{font-size:.6rem;text-transform:uppercase;letter-spacing:.04em;font-weight:700;color:#1a1500;background:var(--accent);border-radius:4px;padding:1px 5px}.acc-cell{display:flex;flex-direction:column;line-height:1.25;font-variant-numeric:tabular-nums}.acc-cell .acc-you{font-weight:700;color:var(--text)}.result-badge{display:inline-flex;flex-direction:column;align-items:center;line-height:1.15;font-variant-numeric:tabular-nums}.result-score{font-weight:600}.result-word{font-size:.64rem;text-transform:uppercase;letter-spacing:.03em}.result-win .result-score,.result-win .result-word{color:#9fe3ad}.result-loss .result-score,.result-loss .result-word{color:#ffb3bd}.result-draw .result-score,.result-draw .result-word{color:var(--muted)}.result-none .result-score{color:var(--text)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-actions{display:flex;align-items:center;gap:8px}.stats-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:4px}.stat-card{display:flex;flex-direction:column;gap:2px}.stat-k{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}.stat-v{font-size:1.7rem;font-weight:700;font-variant-numeric:tabular-nums}.stat-chart{padding:8px 4px}.spark{width:100%;height:80px;display:block}.section-title{font-size:1.05rem;margin:8px 0 2px;border:none;padding:0}.coach-chat{height:420px}.coach-time{margin:4px 14px 12px;line-height:1.5}.chat-thinking{color:var(--muted);display:inline-flex;align-items:center;gap:6px}.chat-thinking .dots{display:inline-flex;gap:3px}.chat-thinking .dots i{width:5px;height:5px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite both}.chat-thinking .dots i:nth-child(2){animation-delay:.2s}.chat-thinking .dots i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}html{scroll-behavior:smooth}.help{max-width:1080px}.help>h1{margin:0 0 4px}.help-layout{display:grid;grid-template-columns:190px 1fr;gap:30px;align-items:start;margin-top:20px}.help-toc{position:sticky;top:70px;display:flex;flex-direction:column;gap:2px}.help-toc a{color:var(--muted);text-decoration:none;font-size:.9rem;padding:5px 10px;border-radius:6px;border-left:2px solid transparent}.help-toc a:hover{color:var(--text);background:var(--bg-2);border-left-color:var(--accent-2)}.help-content{min-width:0;max-width:760px}.help-content section{scroll-margin-top:72px;margin-bottom:34px}.help-content h2{font-size:1.3rem;margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}.help-content h3{font-size:1.02rem;margin:20px 0 8px}.help-content p{line-height:1.65;margin:0 0 12px}.help-content ul{line-height:1.65;padding-left:22px;margin:0 0 12px}.help-content li{margin-bottom:5px}.help-content ul ul{margin:5px 0 6px}.help-content a[href^="#"]{color:var(--accent-2);text-decoration:none}.help-content code{background:var(--bg-3);padding:1px 6px;border-radius:5px;font-size:.86em}.class-legend{display:flex;flex-wrap:wrap;gap:7px;margin:4px 0 12px}.class-chip{color:#fff;font-weight:600;font-size:.78rem;padding:3px 10px;border-radius:6px;white-space:nowrap}.help-kbd{font-family:inherit;font-size:.8rem;background:var(--bg-3);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 7px;color:var(--text)}.kbd-list{list-style:none;padding-left:0}.kbd-list li{margin-bottom:8px}.help-foot{margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}.opening-badge{margin-left:10px;font-size:.74rem;font-weight:500;vertical-align:middle;background:var(--bg-3);color:var(--muted);padding:2px 9px;border-radius:20px}.game-meta{display:flex;align-items:center;gap:10px}.badge{font-size:.74rem;padding:3px 9px;border-radius:20px;font-weight:600}.badge-done{background:#4a9d5b33;color:#9fe3ad}.badge-analyzing{background:#3b9ed133;color:#9ad6f0}.badge-pending{background:#8a97a633;color:var(--muted)}.badge-error{background:#d1495b33;color:#ffb3bd}.analysis{max-width:1320px;margin:0 auto;padding:18px 22px 40px}.analysis-top{display:flex;align-items:center;gap:16px;margin-bottom:14px}.game-title{margin:0;flex:1;font-size:1.15rem}.top-actions{display:flex;gap:8px;flex-wrap:wrap}.analyzing-banner{background:var(--bg-3);border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin-bottom:14px;font-size:.9rem}.progress-track{height:6px;background:var(--bg);border-radius:4px;margin-top:8px;overflow:hidden}.progress-fill{height:100%;background:var(--accent-2);transition:width .4s}.analysis-grid{display:grid;grid-template-columns:minmax(420px,1.3fr) minmax(200px,.7fr) minmax(300px,1fr);gap:18px;align-items:start}.board-col{display:flex;flex-direction:column;gap:14px}.board-row{display:flex;gap:12px}.board-wrap{flex:1}.evalbar{display:flex;flex-direction:column;align-items:center;width:30px}.evalbar-track{flex:1;width:18px;display:flex;flex-direction:column;border-radius:5px;overflow:hidden;border:1px solid var(--line);min-height:300px}.evalbar-white{background:#eef2f7;transition:flex-basis .4s}.evalbar-black{background:#2a2f37;transition:flex-basis .4s}.evalbar-label{font-size:.7rem;margin-top:6px;color:var(--muted);font-variant-numeric:tabular-nums}.wdlbar{display:flex;flex-direction:column;gap:4px}.wdlbar-track{display:flex;height:14px;border-radius:7px;overflow:hidden;border:1px solid var(--line)}.wdlbar-w{background:#eef2f7}.wdlbar-d{background:#7a8694}.wdlbar-l{background:#2a2f37}.wdlbar-labels{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted)}.candidate-panel{padding:12px 14px}.candidate-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.candidate-actions{display:flex;align-items:center;gap:8px}.depth-select{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:3px 6px;font-size:.8rem}.candidate-head h3{margin:0;font-size:.98rem}.candidate-list{list-style:none;margin:0;padding:0;counter-reset:cand}.candidate-row{display:flex;align-items:center;gap:10px;padding:5px 6px;border-radius:6px;cursor:default;font-size:.88rem}.candidate-row:hover{background:var(--bg-3)}.candidate-eval{font-variant-numeric:tabular-nums;font-weight:600;min-width:52px}.candidate-line{flex:1;font-family:ui-monospace,monospace;font-size:.82rem}.candidate-wdl{white-space:nowrap}.tb-badge{padding:6px 10px;border-radius:6px;font-size:.82rem;font-weight:600;margin-bottom:8px}.tb-win{background:#4a9d5b2e;color:#9fe3ad}.tb-draw{background:#8a97a62e;color:#c2cdd9}.tb-loss{background:#d1495b2e;color:#ffb3bd}.nav-controls{display:flex;align-items:center;justify-content:center;gap:8px}.nav-controls button{background:var(--bg-3);border:1px solid var(--line);color:var(--text);border-radius:7px;padding:6px 12px;font-size:1rem}.nav-controls button:disabled{opacity:.4;cursor:default}.nav-ply{font-variant-numeric:tabular-nums;color:var(--muted);min-width:64px;text-align:center}.move-annotation{display:flex;flex-direction:column;gap:7px;background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-size:.9rem}.annotation-head{display:flex;align-items:center;gap:10px}.annotation-tag{color:#fff;font-weight:600;padding:3px 9px;border-radius:6px;font-size:.78rem;white-space:nowrap}.annotation-line{color:var(--text);line-height:1.5}.annotation-best{color:var(--muted)}.annotation-best b{color:var(--text)}.annotation-missed-mate{color:#d1495b;font-weight:500}.annotation-missed-mate b{color:#d1495b}.annotation-actions{margin-top:2px}.annotation-explain{margin-top:4px;padding-top:9px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px}.annotation-explain-body{color:var(--text);line-height:1.55;white-space:pre-wrap}.accuracy-row{display:flex;gap:12px}.acc-card{flex:1;background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:10px 14px;text-align:center}.acc-card.acc-you{border-color:var(--accent);background:#f5c51812}.you-badge{margin-left:10px;font-size:.72rem;font-weight:600;vertical-align:middle;background:var(--accent);color:#1a1500;padding:2px 9px;border-radius:20px}select{font-family:inherit;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 9px;font-size:.9rem}.acc-label{color:var(--muted);font-size:.78rem}.acc-value{font-size:1.4rem;font-weight:700}.acc-sub{color:var(--muted);font-size:.75rem}.bestline-row{display:flex;align-items:center;gap:10px}.key-moments{padding:10px 14px}.km-list{display:flex;flex-direction:column;gap:2px}.km-item{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:6px;background:transparent;border:none;color:var(--text);text-align:left;cursor:pointer;font-size:.88rem;width:100%}.km-item:hover{background:var(--bg-3)}.km-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.km-move{font-weight:600;min-width:64px}.km-note{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-badge{font-size:.74rem;color:var(--muted)}.retry-card{padding:12px 14px;display:flex;flex-direction:column;gap:8px}.retry-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.retry-result{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.retry-good{color:var(--ok);font-weight:600;font-size:.88rem}.retry-actions{display:flex;gap:8px}.btn-on{background:var(--accent-2);color:#04222f;border-color:var(--accent-2)}.heatmap-bar{padding:10px 12px;display:flex;flex-direction:column;gap:7px;margin-top:8px}.heatmap-legend{display:flex;align-items:center;gap:6px;font-size:.8rem}.hm-swatch{width:12px;height:12px;border-radius:3px;display:inline-block}.hm-pos{background:#26c281b3}.hm-neg{background:#d1495bb3;margin-left:6px}.heatmap-split{display:flex;flex-direction:column;gap:5px}.matpos-track{display:flex;height:9px;border-radius:5px;overflow:hidden;border:1px solid var(--line)}.matpos-mat{background:#d9a441}.matpos-pos{background:#3b9ed1}.heatmap-note{margin:0}.graph-wrap{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:6px}.evalgraph{width:100%;height:90px;display:block;cursor:pointer;border-radius:5px}.nav-col{display:flex;flex-direction:column;gap:14px;min-width:0}.overview-band{display:grid;grid-template-columns:minmax(260px,320px) 1fr;gap:18px;align-items:stretch;margin-top:18px}.overview-band .accuracy-row{margin:0}.overview-band .acc-card{display:flex;flex-direction:column;justify-content:center}.overview-band .graph-wrap{display:flex;align-items:center}.overview-band .evalgraph{height:110px}.moves-col{padding:0;max-height:640px;display:flex;flex-direction:column}.moves-head{padding:12px 16px;border-bottom:1px solid var(--line);font-weight:600}.movelist{overflow-y:auto;padding:6px}.movelist-rows{display:flex;flex-direction:column}.mv-row{display:grid;grid-template-columns:38px 1fr 1fr;align-items:center;gap:4px;padding:1px 2px}.mv-head-row{display:grid;grid-template-columns:38px 1fr 1fr;gap:4px;padding:2px 2px 6px;margin-bottom:4px;border-bottom:1px solid var(--line)}.mv-col-head{font-size:.72rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding-left:7px}.mv-num{color:var(--muted);font-size:.82rem;text-align:right;padding-right:6px}.mv{background:transparent;border:none;color:var(--text);text-align:left;padding:4px 7px;border-radius:6px;font-size:.9rem;display:flex;align-items:center;gap:5px}.mv:hover{background:var(--bg-3)}.mv-active{background:var(--accent-2);color:#04222f;font-weight:600}.mv-empty{display:block}.mv-dot{width:7px;height:7px;border-radius:50%;display:inline-block}.mv-glyph{color:var(--accent);font-weight:700;margin-left:2px}.mv-note{font-size:.7rem;margin-left:2px;opacity:.7}.mv-missed-mate{color:#d1495b;font-weight:700;font-size:.62rem;margin-left:3px;border:1px solid currentColor;border-radius:4px;padding:0 2px;line-height:1.3}.move-notes{display:flex;flex-direction:column;gap:8px;margin-top:6px}.glyph-row{display:flex;gap:5px;flex-wrap:wrap}.glyph-btn{background:var(--bg-2);color:var(--text);border:1px solid var(--line);border-radius:6px;min-width:32px;padding:4px 8px;font-weight:600;cursor:pointer}.glyph-btn:hover{border-color:var(--accent-2)}.glyph-on{background:var(--accent);color:#1a1500;border-color:var(--accent)}.note-input{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:7px 10px;font-size:.9rem}.chat-col{display:flex;flex-direction:column;gap:14px;min-width:0}.chat-panel{display:flex;flex-direction:column;height:640px;padding:0}.chat-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line)}.chat-head h3{margin:0;font-size:1rem}.chat-head-right{display:flex;align-items:center;gap:8px}.chat-messages{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:12px}.chat-msg{display:flex;flex-direction:column;gap:3px}.chat-user{align-items:flex-end}.chat-assistant{align-items:flex-start}.chat-bubble{max-width:92%;padding:9px 13px;border-radius:12px;font-size:.9rem;line-height:1.5;white-space:pre-wrap}.chat-user .chat-bubble{background:var(--accent-2);color:#04222f;border-bottom-right-radius:3px}.chat-assistant .chat-bubble{background:var(--bg-3);border:1px solid var(--line);border-bottom-left-radius:3px}.chat-ply{font-size:.7rem;color:var(--muted)}.chat-reasoning{max-width:92%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:6px 11px;margin-bottom:5px;font-size:.82rem}.chat-reasoning summary{color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none}.chat-reasoning-body{margin-top:6px;color:var(--muted);white-space:pre-wrap;line-height:1.45;max-height:220px;overflow-y:auto}.chat-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}.chat-input-row textarea{flex:1;resize:none}.report-section{margin-top:18px}.report-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}.report-head h2{margin:0;font-size:1.1rem}.markdown{color:var(--text);line-height:1.6;font-size:.94rem}.markdown h1,.markdown h2,.markdown h3{margin:18px 0 8px;line-height:1.3}.markdown h2{font-size:1.05rem;color:var(--accent);border-bottom:1px solid var(--line);padding-bottom:5px}.markdown h3{font-size:.98rem}.markdown p{margin:8px 0}.markdown ul,.markdown ol{margin:8px 0;padding-left:22px}.markdown li{margin:4px 0}.markdown strong{color:#fff}.markdown code{background:var(--bg-3);padding:1px 5px;border-radius:4px}.markdown table{border-collapse:collapse;margin:10px 0;width:100%}.markdown th,.markdown td{border:1px solid var(--line);padding:6px 10px;text-align:left;font-size:.88rem}.markdown th{background:var(--bg-3)}.markdown blockquote{border-left:3px solid var(--line);margin:8px 0;padding-left:12px;color:var(--muted)}.play-setup>h2{margin:0 0 2px}.play-setup-sub{margin:0 0 18px}.setup-row{display:flex;align-items:center;gap:14px}.setup-label{min-width:130px;color:var(--muted);font-size:.9rem}.setup-top{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}.setup-block{margin-top:18px}.setup-field{display:flex;flex-direction:column;gap:8px}.setup-field>label,.setup-strength label{color:var(--muted);font-size:.76rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.setup-strength{display:flex;flex-direction:column;gap:10px}.setup-strength-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.strength-value{font-size:1.2rem;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}.play-start{margin-top:22px;width:100%;padding:12px;font-size:1rem}.editor{display:flex;flex-direction:column;gap:8px}.editor-palette{display:flex;flex-wrap:wrap;gap:4px}.pal-btn{width:38px;height:38px;font-size:1.5rem;line-height:1;background:var(--bg-2);color:var(--text);border:1px solid var(--line);border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center}.pal-btn:hover{border-color:var(--accent-2)}.pal-on{background:var(--accent);border-color:var(--accent)}.editor-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.drill-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}.drill-card{display:flex;flex-direction:column;gap:3px;align-items:flex-start;text-align:left;background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:10px 12px;cursor:pointer;color:var(--text)}.drill-card:hover{border-color:var(--accent-2)}.drill-card:disabled{opacity:.6;cursor:default}.drill-name{font-weight:600}.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg-fill{display:flex;width:100%}.seg-fill button{flex:1}.seg button{background:var(--bg);color:var(--text);border:none;padding:8px 14px;text-transform:capitalize;font-size:.88rem}.seg button:not(:last-child){border-right:1px solid var(--line)}.seg button.seg-on{background:var(--accent);color:#1a1500;font-weight:600}.strength-slider{width:100%;accent-color:var(--accent)}.play-game{max-width:1100px;margin:0 auto;padding:18px 22px 40px}.play-layout{display:grid;grid-template-columns:minmax(360px,1.4fr) minmax(240px,1fr);gap:22px;align-items:start}.play-board-col{display:flex;flex-direction:column;gap:8px}.clock{align-self:stretch;text-align:center;font-variant-numeric:tabular-nums;font-size:1.2rem;font-weight:600;padding:8px;border-radius:8px;background:var(--bg-2);border:1px solid var(--line);color:var(--muted)}.clock-active{color:var(--text);border-color:var(--accent)}.play-side{display:flex;flex-direction:column;gap:14px}.play-status{background:var(--bg-3);border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-weight:600;text-align:center;text-transform:capitalize}.play-status.finished{background:#f5c5181f;border-color:var(--accent)}.play-actions{display:flex;gap:10px;flex-wrap:wrap}.coach{padding:12px 14px;display:flex;flex-direction:column;gap:10px}.coach-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.coach-result{display:flex;flex-direction:column;gap:7px;font-size:.9rem}.coach-verdict{display:flex;align-items:center;gap:8px}.coach-explain{display:flex;flex-direction:column;gap:6px}.coach-actions{display:flex;gap:8px;margin-top:2px}@media (max-width: 900px){.play-layout{grid-template-columns:1fr}}.explorer{padding:12px 14px;display:flex;flex-direction:column;gap:8px}.explorer-filters{display:flex;flex-direction:column;gap:6px}.chip-sm{padding:3px 9px;font-size:.78rem}.explorer-head{display:flex;align-items:center;justify-content:space-between}.explorer-head h3{margin:0;font-size:.98rem}.explorer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.explorer-row{display:grid;grid-template-columns:52px 64px 1fr;align-items:center;gap:8px;width:100%;padding:4px 6px;border-radius:6px;background:transparent;border:none;color:var(--text);text-align:left;font-size:.88rem}.explorer-clickable{cursor:pointer}.explorer-clickable:hover{background:var(--bg-3)}.explorer-move{font-weight:600}.explorer-count{text-align:right}.explorer-wdl{display:flex;height:16px;border-radius:4px;overflow:hidden;border:1px solid var(--line);font-size:.62rem}.ewdl-w{background:#eef2f7;color:#1b222c;display:flex;align-items:center;justify-content:center}.ewdl-d{background:#7a8694;color:#11161d;display:flex;align-items:center;justify-content:center}.ewdl-b{background:#2a2f37;color:#cdd6e0;display:flex;align-items:center;justify-content:center}.explore-fen{display:flex;gap:8px}.explore-fen input{flex:1;font-family:ui-monospace,monospace;font-size:.78rem}.puzzle-tabs{align-self:flex-start}.trainer-stats{display:flex;flex-wrap:wrap;gap:10px 28px;margin-bottom:14px}.tstat{display:flex;flex-direction:column;gap:2px}.tstat-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.tstat-val{font-size:1.15rem;font-weight:600;display:flex;align-items:baseline;gap:6px}.tstat-delta{font-size:.8rem;font-weight:600}.tstat-delta.up{color:#9fe3ad}.tstat-delta.down{color:#ffb3bd}.trainer-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.trainer-controls-right{display:flex;gap:8px}.rush-intro{display:flex;flex-direction:column;align-items:flex-start;gap:10px;max-width:520px}.rush-intro h3{margin:0}.rush-result{font-size:1.05rem}.rush-best{color:var(--accent);font-weight:600}.rush-bestline{margin-top:-4px}.theme-stats{display:flex;flex-direction:column;gap:8px;padding:10px 14px}.theme-stat-row{display:grid;grid-template-columns:130px 1fr auto;align-items:center;gap:10px}.theme-stat-name{font-size:.9rem}.theme-stat-bar{height:10px;background:var(--bg-3);border-radius:6px;overflow:hidden}.theme-stat-fill{display:block;height:100%;border-radius:6px}.theme-stat-pct{white-space:nowrap;font-variant-numeric:tabular-nums}.theme-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.chip{background:var(--bg-2);color:var(--text);border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:.85rem;cursor:pointer}.chip:hover{border-color:var(--accent-2)}.themes-browser{display:flex;flex-direction:column;gap:6px}.puzzle-group-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;flex:none;line-height:1;background:var(--bg-3);border:1px solid var(--line);font-size:.95rem}.theme-card{display:flex;flex-direction:column;gap:6px;align-items:stretch;text-align:left;cursor:pointer}.theme-card:hover{border-color:var(--accent-2)}.theme-card-head{display:flex;align-items:center;gap:8px}.theme-card-dot{width:9px;height:9px;border-radius:50%;flex:none}.theme-card-name{font-weight:600}.theme-card-count{margin-left:auto;font-size:.78rem;color:var(--muted);background:var(--bg-3);border-radius:999px;padding:1px 9px;font-variant-numeric:tabular-nums}.theme-card-desc{line-height:1.35}.trainer-theme{display:flex;flex-direction:column;gap:8px;padding:12px 14px;margin-bottom:12px}.trainer-theme-head{display:flex;align-items:center;gap:12px}.trainer-theme-name{font-weight:600;font-size:1.05rem}.trainer-theme-line{margin:0}.trainer-theme-desc{margin:0;line-height:1.5;max-width:70ch}.trainer-explain{display:flex;flex-direction:column;gap:8px}.chip-on{background:var(--accent);color:#1a1500;border-color:var(--accent);font-weight:600}.puzzle-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:6px 0 14px}.puzzle-summary{font-size:.9rem;color:var(--muted)}.puzzle-summary b{color:var(--text);font-size:1.05rem}.puzzle-toolbar-controls{display:flex;gap:14px;flex-wrap:wrap}.puzzle-group{margin-bottom:16px}.puzzle-group-head{display:flex;align-items:center;gap:9px;width:100%;background:none;border:none;color:var(--text);padding:6px 2px;cursor:pointer;border-bottom:1px solid var(--line);margin-bottom:12px}.puzzle-group-caret{font-size:.7rem;color:var(--muted);width:12px}.puzzle-group-dot{width:9px;height:9px;border-radius:50%;flex:none}.puzzle-group-name{font-weight:600}.puzzle-group-count{margin-left:auto;font-size:.8rem;color:var(--muted);background:var(--bg-3);border-radius:999px;padding:1px 9px}.puzzle-layout{display:grid;grid-template-columns:1fr minmax(320px,460px);gap:22px;align-items:start}.puzzle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.puzzle-card{display:flex;flex-direction:column;gap:5px;align-items:flex-start;cursor:pointer;text-align:left}.puzzle-card:hover{border-color:var(--accent-2)}.puzzle-active{border-color:var(--accent)}.puzzle-card-done{opacity:.72}.puzzle-theme{font-weight:600}.puzzle-card-meta{display:flex;align-items:center;gap:8px;font-size:.85rem}.side-dot{width:11px;height:11px;border-radius:50%;border:1px solid var(--line);display:inline-block}.side-white{background:#eef1f5}.side-black{background:#11161d}.puzzle-card-src{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.puzzle-card-foot{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:4px;min-height:20px}.puzzle-del{font-size:.95rem;opacity:.55;padding:0 2px}.puzzle-del:hover{opacity:1}.puzzle-solver{display:flex;flex-direction:column;gap:10px;position:sticky;top:70px}.puzzle-head{display:flex;align-items:center;justify-content:space-between}.puzzle-msg{text-align:center;font-weight:600;padding:8px;border-radius:8px;background:var(--bg-3)}.puzzle-solved{background:#4a9d5b2e;color:#9fe3ad}.puzzle-wrong{background:#d1495b2e;color:#ffb3bd}.puzzle-revealed{background:#f5c5181f;color:var(--accent)}.puzzle-actions{display:flex;justify-content:center;gap:10px}@media (max-width: 900px){.puzzle-layout{grid-template-columns:1fr}.puzzle-solver{position:static}}.user-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.user-table{width:100%;border-collapse:collapse;margin-top:8px}.user-table th,.user-table td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);font-size:.9rem}.user-table th{color:var(--muted);font-weight:600}@media (max-width: 1100px){.analysis-grid,.overview-band{grid-template-columns:1fr}.chat-panel{height:480px}}.settings-section{padding:16px 18px}.settings-section h2{margin:0 0 4px;font-size:1.05rem}.theme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-top:12px}.theme-card{display:flex;align-items:center;gap:10px;padding:8px 10px;background:var(--bg-2);border:1px solid var(--line);border-radius:8px;cursor:pointer;color:var(--text);text-align:left}.theme-card:hover{background:var(--bg-3)}.theme-card-on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.theme-swatch{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;width:34px;height:34px;border-radius:5px;overflow:hidden;flex:0 0 auto;border:1px solid var(--line)}.theme-swatch>span{display:block}.theme-label{font-size:.9rem}.settings-preview{max-width:360px;margin-top:8px}.settings-toggle{display:flex;align-items:flex-start;gap:10px;margin-top:10px;cursor:pointer}.settings-toggle input{margin-top:3px;flex:0 0 auto;width:16px;height:16px;cursor:pointer}.settings-toggle span{font-size:.9rem;line-height:1.4}.home-hero{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:linear-gradient(135deg,#f5c5181a,#3b9ed114);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}.home-greet{margin:0 0 4px;font-size:1.5rem}.home-name{color:var(--accent)}.home-stats{display:flex;gap:10px;flex-wrap:wrap}.home-stat{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--bg-2);border:1px solid var(--line);border-radius:9px;padding:10px 16px;min-width:88px}.home-stat-val{font-size:1.25rem;font-weight:700;font-variant-numeric:tabular-nums}.home-stat-label{font-size:.66rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.home-areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.home-area{display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-decoration:none;color:var(--text);transition:border-color .15s,transform .1s,background .15s}.home-area:hover{border-color:var(--accent);transform:translateY(-2px);background:var(--bg-3)}.home-area-icon{font-size:1.7rem;line-height:1;color:var(--accent)}.home-area-label{font-weight:600;font-size:1.02rem}.home-area-blurb{line-height:1.35}.home-lower{display:grid;grid-template-columns:1fr minmax(280px,360px);gap:16px;align-items:start}.home-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.home-section-head h2{margin:0;font-size:1.05rem}.home-recent-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.home-recent-row{display:flex;flex-direction:column;gap:1px;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--text)}.home-recent-row:hover{background:var(--bg-3)}.home-recent-name{font-weight:500}.home-daily-board{max-width:300px;margin:4px 0 8px}.home-daily-cta{align-self:flex-start;text-decoration:none;display:inline-block;margin-top:4px}@media (max-width: 640px){body{overflow-x:hidden}.settings-gear{display:inline-flex;align-items:center}.home-hero{flex-direction:column;align-items:stretch}.home-stats{justify-content:space-between}.home-stat{flex:1;min-width:70px}.home-lower{grid-template-columns:1fr}.login-split{grid-template-columns:1fr;min-height:auto}.login-hero{padding:26px 22px;border-right:none;border-bottom:1px solid var(--line);gap:12px}.login-hero-board{display:none}.login-hero-brand{font-size:1.6rem}.login-form-panel{padding:24px 22px}.appbar{padding:10px 14px}.appbar-links,.user-chip{display:none}.app{padding-bottom:64px}.container{padding:14px 12px;gap:18px}.analysis,.play-game{padding:12px 12px 24px}.evalbar-track{min-height:0}.setup-row{flex-direction:column;align-items:stretch;gap:8px}.setup-label{min-width:0}.setup-top{grid-template-columns:1fr}.seg{width:100%}.seg button{flex:1;padding:10px 8px}.nav-controls button{min-height:44px;padding:8px 16px}.mv{padding:7px 8px}.user-table{display:block;overflow-x:auto;white-space:nowrap}.puzzle-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.chat-panel{height:62vh}.trainer-controls{align-items:stretch}.diff-seg{width:100%}.puzzle-toolbar-controls{width:100%;gap:10px}.puzzle-toolbar-controls .inline{flex:1;min-width:0}.puzzle-toolbar-controls select{width:100%}.theme-chips{gap:6px}.chip{padding:6px 11px}.help-layout{grid-template-columns:1fr;gap:14px}.help-toc{position:static;flex-direction:row;flex-wrap:wrap;gap:6px}.help-toc a{background:var(--bg-2);border-left:none}.help-content{max-width:none}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:56px;background:var(--bg-2);border-top:1px solid var(--line);z-index:20}.bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);text-decoration:none;font-size:.68rem}.bottom-nav a.bn-active{color:var(--accent)}.bn-icon{font-size:1.25rem;line-height:1}}