@import "https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Outfit:wght@400;500;600;700&display=swap";:root{--bg:#e6ebe7;--bg-accent:#d3ddd6;--surface:#f7faf8;--surface-2:#eef3ef;--ink:#1a211c;--muted:#5a655e;--accent:#1b6b4a;--accent-hover:#15563b;--accent-soft:color-mix(in srgb, var(--accent) 14%, transparent);--danger:#9b2c2c;--danger-soft:color-mix(in srgb, var(--danger) 12%, transparent);--ok:#1b6b4a;--border:color-mix(in srgb, var(--ink) 12%, transparent);--radius:14px;--radius-sm:8px;--shadow:0 10px 30px #1a211c14;--font-display:"Fraunces", Georgia, serif;--font-body:"Outfit", system-ui, sans-serif;color:var(--ink);background:radial-gradient(1200px 600px at 10% -10%, #c9d9ce 0%, transparent 55%), radial-gradient(900px 500px at 100% 0%, #dce6df 0%, transparent 50%), var(--bg);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*,:before,:after{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-width:320px}button,input,textarea,select{font:inherit}a{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.app{max-width:1280px;margin:0 auto;padding:24px 20px 64px}.hero{gap:16px;margin-bottom:28px;display:grid}.hero__brand h1{font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 8px;font-size:clamp(2.5rem,6vw,3.75rem);font-weight:700;line-height:1.05}.hero__tagline{max-width:42ch;color:var(--muted);margin:0;font-size:1.05rem;line-height:1.5}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 4px;font-size:.75rem;font-weight:600}.fair-play{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}.fair-play strong{margin-bottom:4px;font-size:.85rem;display:block}.fair-play p{color:var(--muted);margin:0;font-size:.9rem;line-height:1.45}.layout{gap:24px;display:grid}@media (width>=980px){.hero{grid-template-columns:1.2fr 1fr;align-items:end}.layout{grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);align-items:start}}.layout__board,.layout__side{flex-direction:column;gap:16px;display:flex}.board-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px;display:flex}.turn-line{margin:0;font-size:1.1rem;font-weight:600}.play-as{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;align-items:center;gap:8px;padding:6px 10px;display:inline-flex}.play-as__label{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:700}.play-as select{color:var(--ink);cursor:pointer;background:0 0;border:none;padding:2px 4px;font-size:.9rem;font-weight:700}.board-stage{grid-template-columns:36px 1fr;align-items:stretch;gap:12px;display:grid}.board-panel{width:100%;max-width:560px}.board-panel--chesscom{background:#302e2b;border-radius:8px;padding:10px;box-shadow:0 8px 28px #00000047}.board-panel__surface{width:100%;position:relative}.board-panel--edit{outline:2px dashed color-mix(in srgb, var(--accent) 45%, transparent);outline-offset:4px}.board-panel--predictor{box-shadow:0 8px 28px #00000047,0 0 0 2px #9bc70073}.predictor-overlay{pointer-events:none;z-index:30;position:absolute;inset:0}.predictor-digit{color:#111;border-radius:999px;place-items:center;width:clamp(1.15rem,3.2vw,1.55rem);height:clamp(1.15rem,3.2vw,1.55rem);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:clamp(.7rem,2vw,.85rem);font-weight:800;line-height:1;display:grid;position:absolute;box-shadow:0 0 0 2px #0000008c,0 4px 10px #00000059}.predictor-hint{margin:-4px 0 0;padding-left:48px}.predictor-legend{flex-wrap:wrap;gap:8px;margin:0 0 14px;padding:0;list-style:none;display:flex}.predictor-legend li{color:var(--muted);align-items:center;gap:6px;font-size:.8rem;font-weight:700;display:inline-flex}.predictor-legend__swatch{border-radius:999px;width:12px;height:12px;box-shadow:0 0 0 1px #00000040}.field--predictor,.field--human,.field--bullet{border-radius:var(--radius-sm);background:color-mix(in srgb, var(--accent) 10%, var(--surface-2));align-items:flex-start;margin-bottom:12px;padding:10px 12px}.field--bullet{background:color-mix(in srgb, #1a6b4a 14%, var(--surface-2))}.field--human{background:color-mix(in srgb, #c45c26 12%, var(--surface-2))}.field--predictor .field-sub,.field--human .field-sub,.field--bullet .field-sub{color:var(--muted);margin-top:2px;font-size:.8rem;font-weight:500;display:block}.human-timer{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);margin-top:-4px;padding:14px 16px}.human-timer--now{border-color:color-mix(in srgb, var(--accent) 55%, var(--border));box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent)}.human-timer__head{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:10px;display:flex}.human-timer__label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:700}.human-timer__elo{color:var(--text);font-size:.85rem;font-weight:700}.human-timer__bar{background:var(--surface-2);border-radius:999px;height:8px;margin-bottom:10px;overflow:hidden}.human-timer__fill{transform-origin:0;border-radius:inherit;background:linear-gradient(90deg, #c45c26, var(--accent));width:100%;height:100%;transition:transform 50ms linear}.human-timer__status{text-align:center;margin:0}.human-timer__countdown{letter-spacing:-.03em;color:var(--text);font-size:clamp(1.75rem,5vw,2.35rem);font-weight:800}.human-timer__now-block{text-align:center}.human-timer__now{font-family:var(--font-display);letter-spacing:-.03em;color:var(--accent);margin:0;font-size:clamp(2rem,6vw,2.75rem);font-weight:700;animation:.45s cubic-bezier(.22,1,.36,1) human-now-pop}.human-timer__move{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:8px;margin:6px 0 0;font-size:1.15rem;display:flex}.human-timer__quality{font-size:.85rem;font-weight:700}.human-timer__quality--best,.human-timer__quality--good{color:#2f6b3a}.human-timer__quality--inaccuracy{color:#8a6a00}.human-timer__quality--mistake{color:#b45309}.human-timer__quality--blunder{color:var(--danger)}.human-timer__note{text-align:center;margin:10px 0 0}@keyframes human-now-pop{0%{opacity:.4;transform:scale(.86)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){.human-timer__now{animation:none}.human-timer__fill{transition:none}}.alt-card__rank--dot{color:#111;border-radius:999px;padding:2px 8px}.chesscom-piece{transition:transform .12s cubic-bezier(.22,1,.36,1);display:block}@media (prefers-reduced-motion:reduce){.chesscom-piece{transition:none}}.position-setup .setup-note{margin:0 0 12px}.setup-actions{margin-bottom:12px}.edit-tools{border-radius:var(--radius-sm);background:var(--surface-2);flex-direction:column;gap:10px;margin-bottom:16px;padding:12px;display:flex}.piece-palette{flex-wrap:wrap;gap:6px;display:flex}.palette-btn{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:#fff;place-items:center;width:44px;height:44px;padding:0;transition:background .14s,border-color .14s;display:grid}@media (hover:hover){.palette-btn:hover{border-color:var(--accent);background:var(--accent-soft)}}.palette-btn.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 2px var(--accent)}.piece-glyph{object-fit:contain;pointer-events:none;width:28px;height:28px;display:block}.btn.active-danger{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.scan-block{border-top:1px solid var(--border);margin-top:4px;padding-top:12px}.share-block{background:color-mix(in srgb, var(--accent) 8%, var(--surface));border:1px solid color-mix(in srgb, var(--accent) 22%, var(--border));border-radius:var(--radius-sm);border-top:1px solid color-mix(in srgb, var(--accent) 22%, var(--border));margin-top:12px;padding:12px}.share-status{color:var(--accent);margin:10px 0 0;font-size:.85rem;font-weight:600}.share-status--busy{opacity:.85}.scan-heading{margin:0 0 6px;font-size:.85rem;font-weight:700}.scan-preview{object-fit:contain;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;width:100%;max-height:160px;margin-top:10px;display:block}.warn{color:#8a5a00;border-radius:var(--radius-sm);background:#c98a1a24;margin:8px 0 0;padding:8px 10px;font-size:.9rem}@keyframes king-danger-flash{0%,to{opacity:.75}50%{opacity:1}}.eval-bar{flex-direction:column;gap:8px;min-height:200px;display:flex}.eval-bar__track{border:1px solid var(--border);background:#2a2f2c;border-radius:999px;flex-direction:column;flex:1;justify-content:flex-end;min-height:180px;display:flex;overflow:hidden}.eval-bar__fill{background:#f4f7f5;width:100%;transition:height .2s cubic-bezier(.22,1,.36,1)}.eval-bar__meta{writing-mode:horizontal-tb}.eval-bar__score{font-size:.95rem;font-weight:700;display:block}.eval-bar__label{color:var(--muted);font-size:.7rem;line-height:1.3;display:block}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.panel h2{letter-spacing:.02em;margin:0 0 12px;font-size:.95rem;font-weight:700}.panel h3{font-family:var(--font-display);margin:0 0 8px;font-size:1.25rem}.panel h4{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:14px 0 6px;font-size:.8rem}.panel-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.panel-head h2{margin:0}.recommendation__san{font-family:var(--font-display);letter-spacing:-.02em;color:var(--accent);margin:0 0 12px;font-size:2rem;font-weight:700}.recommendation__meta{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0;display:grid}.recommendation__meta dt{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:.7rem}.recommendation__meta dd{margin:2px 0 0;font-weight:600}.skeleton-block{border-radius:var(--radius-sm);background:linear-gradient(90deg, var(--surface-2), #fff, var(--surface-2));background-size:200% 100%;height:40px;margin-bottom:8px;animation:1.2s ease-in-out infinite shimmer}@keyframes shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.alt-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.alt-card{border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid #0000;padding:12px}.alt-card__head{align-items:baseline;gap:8px;display:flex}.alt-card__rank{color:var(--muted);font-size:.75rem;font-weight:700}.alt-card__san{font-size:1.05rem;font-weight:700}.alt-card__eval{color:var(--accent);margin-left:auto;font-weight:600}.alt-card__path{margin:4px 0 0;font-size:.85rem}.pros,.cons,.learning ul,.threats{margin:8px 0 0;padding-left:1.1rem;font-size:.9rem;line-height:1.45}.pros li{color:var(--ok)}.cons li{color:var(--danger)}.disclaimer,.engine-status{margin:12px 0 0}.field{flex-direction:column;gap:6px;margin-bottom:12px;font-size:.9rem;display:flex}.field.checkbox{flex-direction:row;align-items:center;gap:8px}.field input[type=text],.field input[type=number],.field input:not([type]),.field textarea,.field select,.row input{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--ink);background:#fff;padding:10px 12px}.field textarea{resize:vertical;min-height:72px}.field input[type=range]{width:100%;accent-color:var(--accent)}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn{appearance:none;border:1px solid var(--border);color:var(--ink);border-radius:var(--radius-sm);cursor:pointer;background:#fff;padding:10px 14px;font-size:.9rem;font-weight:600;transition:background .14s,border-color .14s,transform .12s}@media (hover:hover){.btn:hover:not(:disabled){background:var(--surface-2);border-color:color-mix(in srgb, var(--ink) 22%, transparent)}}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}@media (hover:hover){.btn.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}}.btn.icon{padding:8px 10px;font-size:.8rem}.tabs{background:var(--surface-2);border-radius:var(--radius-sm);gap:4px;margin-bottom:12px;padding:4px;display:flex}.tab{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:8px 10px;font-size:.85rem;font-weight:600}.tab.active{color:var(--ink);background:#fff;box-shadow:0 1px 3px #1a211c14}.game-list{flex-direction:column;gap:6px;max-height:280px;margin:12px 0 0;padding:0;list-style:none;display:flex;overflow:auto}.game-item{text-align:left;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:#fff;flex-direction:column;gap:2px;width:100%;padding:10px 12px;display:flex}@media (hover:hover){.game-item:hover{border-color:var(--accent);background:var(--accent-soft)}}.game-item__players{font-size:.9rem;font-weight:600}.game-item__meta{font-size:.78rem}.move-list{flex-direction:column;gap:4px;max-height:220px;margin:0;padding:0;list-style:none;display:flex;overflow:auto}.move-list li{grid-template-columns:2.5rem 1fr 1fr;align-items:center;gap:4px;display:grid}.move-num{color:var(--muted);font-size:.85rem}.move{text-align:left;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 8px;font-weight:500}@media (hover:hover){.move:hover{background:var(--accent-soft)}}.move.active{background:var(--accent);color:#fff}.nav-btns{flex-wrap:wrap;gap:4px;display:flex}.muted{color:var(--muted)}.tiny{font-size:.78rem}.tabular{font-variant-numeric:tabular-nums}.error{color:var(--danger);background:var(--danger-soft);border-radius:var(--radius-sm);margin:8px 0 0;padding:8px 10px;font-size:.9rem}.banner-error{margin:0}.learning p{margin:0;line-height:1.5}@media (width<=640px){.app{padding:16px 14px 48px}.board-stage{grid-template-columns:28px 1fr}.recommendation__meta{grid-template-columns:repeat(2,minmax(0,1fr))}.board-panel{max-width:none}}