.app{max-width:1360px;margin:0 auto;padding:0 24px 96px}.topbar{display:flex;align-items:center;justify-content:space-between;width:100vw;margin-left:calc(50% - 50vw);padding:24px clamp(20px,4vw,48px);box-sizing:border-box}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;letter-spacing:-.01em;color:#b8bcc8;text-decoration:none}.brand:hover{color:#c8ccd8;opacity:.9}.brand-mark{font-size:1.5rem;filter:drop-shadow(0 0 12px rgba(90,156,245,.5))}.brand-mark.accent{color:#6aacff}.topbar .pill{font-size:.72rem;color:var(--ink-dim);border:1px solid var(--glass-border);background:var(--glass);padding:6px 12px;border-radius:999px}.hero{padding:28px 0 8px;text-align:center}.hero .eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;padding:7px 16px;border:1px solid rgba(90,156,245,.25);border-radius:999px;background:#5a9cf514}.hero h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800}.hero h1 .grad{background:linear-gradient(120deg,var(--accent) 0%,var(--accent-2) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p.sub{max-width:600px;margin:22px auto 0;font-size:1.12rem;line-height:1.6;color:var(--ink-dim)}.hero-cta{margin-top:40px;font-size:1.12rem;padding:16px 40px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:64px 0 8px}@media (max-width: 760px){.features{grid-template-columns:1fr}}.feature{text-align:left;padding:22px;border-radius:var(--radius);border:1px solid var(--glass-border);background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.feature .icon{font-size:1.4rem}.feature h3{margin:14px 0 8px;font-size:1.05rem}.feature p{margin:0;font-size:.92rem;line-height:1.55;color:var(--ink-faint)}.card{margin-top:40px;padding:32px;border-radius:var(--radius);border:1px solid var(--glass-border);background:linear-gradient(180deg,#ffffff0d,#ffffff05);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 30px 80px -40px #000c}.card h2{font-size:1.5rem;margin-bottom:6px}.card .hint{color:var(--ink-faint);font-size:.92rem;margin:0 0 20px}textarea{width:100%;min-height:180px;resize:vertical;padding:16px;font-family:SFMono-Regular,ui-monospace,Menlo,monospace;font-size:.88rem;line-height:1.5;color:var(--ink);background:#00000059;border:1px solid var(--glass-border);border-radius:14px;outline:none;transition:border-color .18s ease,box-shadow .18s ease}textarea:focus{border-color:#7c5cff99;box-shadow:0 0 0 3px #7c5cff2e}.source-row{display:flex;gap:12px;margin-bottom:14px;margin-top:20px;align-items:center}.source-select,.username-input{height:46px;padding:0 14px;color:var(--ink);background:#00000059;border:1px solid var(--glass-border);border-radius:12px;outline:none;font-family:inherit;font-size:.95rem;transition:border-color .18s ease,box-shadow .18s ease}.source-select{flex-shrink:0;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;padding-right:38px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a4a8bd' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.source-select option{background:var(--bg-1);color:var(--ink)}.username-input{flex:1;min-width:0}.source-select:focus,.username-input:focus{border-color:#7c5cff99;box-shadow:0 0 0 3px #7c5cff2e}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:flex-start;justify-content:center;padding:7vh 24px 24px;overflow-y:auto;background:#05060c9e;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:overlay-in .16s ease-out}@keyframes overlay-in{0%{opacity:0}}.modal{width:100%;max-width:620px;max-height:88vh;display:flex;flex-direction:column;border-radius:var(--radius);border:1px solid var(--glass-border);background:linear-gradient(180deg,#161928f5,#0d0f1af5);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 40px 100px -30px #000000e6;animation:modal-in .18s ease-out}@keyframes modal-in{0%{opacity:0;transform:translateY(10px) scale(.98)}}.modal-head{flex-shrink:0;display:flex;align-items:flex-start;justify-content:space-between;padding:22px 24px 16px;border-bottom:1px solid var(--glass-border)}.modal-head h3{font-size:1.2rem}.modal-sub{margin:6px 0 0;font-size:.85rem;color:var(--ink-faint)}.modal-close{border:none;background:transparent;color:var(--ink-dim);font-size:1.6rem;line-height:1;cursor:pointer;padding:0 4px;transition:color .15s ease}.modal-close:hover{color:var(--ink)}.modal-list{flex-shrink:1;min-height:120px;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:4px}.game-row{display:flex;align-items:center;gap:14px;width:100%;padding:13px 16px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--ink);font-family:inherit;font-size:.95rem;text-align:left;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .1s ease}.game-row:hover{background:#ffffff0f;border-color:var(--glass-border);transform:translate(2px)}.game-players{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.game-players .vs{color:var(--ink-faint)}.game-result{flex-shrink:0;width:26px;text-align:center;font-size:1.3rem;font-weight:800;line-height:1}.game-result.win{color:var(--good)}.game-result.loss{color:var(--danger)}.game-result.draw{color:var(--ink-faint)}.game-date{flex-shrink:0;margin-left:6px;font-size:.82rem;color:var(--ink-dim);white-space:nowrap;font-variant-numeric:tabular-nums}.row{display:flex;align-items:center;gap:14px;margin-top:18px;flex-wrap:wrap}button.primary{border:none;cursor:pointer;font-size:.98rem;font-weight:600;color:#fff;padding:13px 26px;border-radius:12px;background:linear-gradient(120deg,#4a8ce8,#6aacff);box-shadow:0 12px 30px -10px #4a8ce880;transition:transform .12s ease,box-shadow .18s ease,opacity .18s ease}button.primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 18px 40px -12px #4a8ce8a6}button.primary:disabled{opacity:.55;cursor:not-allowed}button.ghost{border:1px solid var(--glass-border);background:transparent;color:var(--ink-dim);padding:13px 20px;border-radius:12px;cursor:pointer;font-size:.92rem}.sample-link{background:none;border:none;color:var(--accent-2);cursor:pointer;font-size:.88rem;padding:0;text-decoration:underline}.error{margin-top:14px;padding:12px 16px;border-radius:12px;background:#ff6b6b1a;border:1px solid rgba(255,107,107,.3);color:var(--danger);font-size:.9rem}.spinner{width:16px;height:16px;border:2px solid rgba(26,18,6,.35);border-top-color:#1a1206;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:-2px;margin-right:8px}@keyframes spin{to{transform:rotate(360deg)}}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0 26px}@media (max-width: 600px){.stats{grid-template-columns:1fr}}.stat{padding:20px;border-radius:16px;border:1px solid var(--glass-border);background:#00000040}.stat .num{font-size:2.4rem;font-weight:800;line-height:1}.stat .num.danger{color:var(--danger)}.stat .num.warn{color:var(--accent)}.stat .num.good{color:var(--good)}.stat .label{margin-top:8px;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint)}.moves-title{font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 12px}.chips{display:flex;flex-wrap:wrap;gap:10px}.chip{font-size:.85rem;font-weight:600;padding:8px 14px;border-radius:10px;border:1px solid var(--glass-border)}.chip.blunder{color:var(--danger);background:#ff6b6b1a;border-color:#ff6b6b4d}.chip.mistake{color:var(--accent);background:#f5b94d14;border-color:#f5b94d40}.clean-banner{padding:18px;border-radius:14px;background:#4ade8014;border:1px solid rgba(74,222,128,.25);color:var(--good);font-size:.95rem}.badge{display:inline-grid;place-items:center;border-radius:50%;color:#fff;font-weight:800;line-height:1;flex-shrink:0;box-shadow:0 2px 6px #00000059}.breakdown{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 26px}.breakdown-item{display:flex;align-items:center;gap:8px;padding:7px 12px 7px 8px;border-radius:10px;border:1px solid var(--glass-border);background:#00000040}.breakdown-item .bd-count{font-weight:700;font-size:.95rem}.breakdown-item .bd-label{font-size:.82rem;color:var(--ink-dim)}.workspace{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:36px;align-items:start;margin:36px 0 8px}@media (max-width: 900px){.workspace{grid-template-columns:1fr}}.board-col{position:relative;width:100%;display:flex;flex-direction:column;gap:4px;align-items:flex-start}.board-row{display:flex;flex-direction:row;gap:8px;align-items:stretch;width:100%;max-height:calc(100vh - 9rem)}.board-frame{flex:1;min-width:0;position:relative;padding:6px;border-top:1px solid rgba(111,150,196,.18);border-right:1px solid rgba(111,150,196,.18);border-bottom:2px solid rgba(111,150,196,.52);border-left:2px solid rgba(111,150,196,.52);border-radius:16px;max-width:calc(100vh - 9rem - 12px)}.coord-ranks{position:absolute;top:0;left:0;width:22px;bottom:22px;display:flex;flex-direction:column;justify-content:space-around;align-items:center;pointer-events:none;z-index:2}.coord-ranks span,.coord-files span{font-size:.65rem;font-weight:600;color:var(--ink-faint);font-variant-numeric:tabular-nums;line-height:1;-webkit-user-select:none;user-select:none}.coord-files{position:absolute;bottom:0;left:22px;right:0;height:22px;display:flex;flex-direction:row;justify-content:space-around;align-items:center;pointer-events:none;z-index:2}.board-wrap{width:100%;min-width:0;position:relative}.eval-wrap{position:relative;flex-shrink:0;display:flex;align-items:stretch;padding-left:32px}.eval-bar{width:18px;position:relative;border-radius:6px;overflow:hidden;border:1px solid var(--glass-border)}.eval-seg{position:absolute;left:0;right:0;transition:height .7s 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#ff5a5a8c}}.terminal-banner{position:absolute;top:12%;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 26px;border-radius:14px;pointer-events:none;z-index:10;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:banner-in .32s cubic-bezier(.2,1.2,.4,1)}.terminal-banner strong{font-size:1.15rem;font-weight:800;letter-spacing:.02em}.terminal-banner span{font-size:.82rem;color:var(--ink-dim);letter-spacing:.06em;text-transform:uppercase}.terminal-banner.is-mate{background:linear-gradient(180deg,#3c0808eb,#1c0404eb);border:1px solid rgba(255,90,90,.5);box-shadow:0 18px 50px -18px #000c,0 0 26px #ff5a5a38;color:#ffd5d5}.terminal-banner.is-draw{background:linear-gradient(180deg,#1c2030eb,#0f111ceb);border:1px solid var(--glass-border);box-shadow:0 18px 50px -18px #000c;color:var(--ink)}@keyframes banner-in{0%{opacity:0;transform:translate(-50%,-8px) scale(.96)}to{opacity:1;transform:translate(-50%) scale(1)}}.player-strip{display:flex;align-items:center;justify-content:space-between;width:100%;padding-left:24px;gap:8px}.player-info{display:flex;align-items:center;gap:8px;min-width:0}.player-avatar{flex-shrink:0;width:28px;height:28px;border-radius:50%;object-fit:cover;border:1.5px solid var(--glass-border);background:#ffffff0f}.player-avatar-fallback{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:var(--ink-faint);border:1.5px solid var(--glass-border);background:#ffffff0f;padding:4px;box-sizing:border-box}.player-name{font-size:.9rem;font-weight:600;letter-spacing:.01em;padding:4px 2px;color:var(--ink-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-clock{flex-shrink:0;font-size:.85rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--ink);background:#00000059;border:1px solid var(--glass-border);border-radius:8px;padding:4px 10px;min-width:52px;text-align:center}.mute-toggle{position:absolute;top:18px;right:18px;z-index:8;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:1px solid var(--glass-border);border-radius:999px;background:#0f121eb3;color:var(--ink);font-size:.95rem;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:.55;transition:opacity .15s ease,transform .1s ease,background .15s ease}.mute-toggle:hover{opacity:1;background:#141826d9;transform:translateY(-1px)}.mute-toggle.muted{color:var(--ink-faint);border-color:#ff6b6b59}@keyframes capture-fade{0%{opacity:1}to{opacity:0}}@keyframes capture-reveal{0%{opacity:0}to{opacity:1}}.panel-col{display:flex;flex-direction:column;gap:18px}.panel-col .card{margin-top:0}.panel-card{display:flex;flex-direction:column;gap:18px;position:relative}.panel-card h2{margin-bottom:0;padding-right:38px}.panel-card .hint,.panel-card .breakdown,.panel-card .move-readout{margin:0}.panel-card 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dotted;text-underline-offset:3px}.best-move-san:hover{opacity:.75}.variation-flag{color:#c9b6ff;font-size:.9rem;line-height:1.4}.variation-best{color:var(--ink-faint);font-weight:500}.variation-best b{color:var(--good);font-weight:700}.eval-pulse{color:var(--ink-faint);font-weight:500;animation:eval-pulse 1.1s ease-in-out infinite}@keyframes eval-pulse{0%,to{opacity:.45}50%{opacity:1}}.variation-exit{align-self:flex-start;font-size:.88rem;padding:10px 16px;color:#c9b6ff;border-color:#c9b6ff59;background:#7c5cff14}.variation-exit:hover{background:#7c5cff29}.accuracy-row{display:flex;gap:8px;margin-bottom:-8px}.accuracy-badge{flex:1;text-align:center;padding:6px 12px;border-radius:10px;font-size:.82rem;font-weight:700;letter-spacing:.02em;font-variant-numeric:tabular-nums}.accuracy-white{background:#f0f0f0;color:#1a1a1a;border:1px solid rgba(255,255,255,.35)}.accuracy-black{background:#1a1a1a;color:#f0f0f0;border:1px solid rgba(255,255,255,.12)}.controls{display:flex;gap:10px}.controls button{flex:1;padding:12px 0;font-size:1.05rem;color:var(--ink);background:var(--glass);border:1px solid var(--glass-border);border-radius:12px;cursor:pointer;transition:background .15s ease,transform .1s ease}.controls button:hover:not(:disabled){background:#ffffff1a;transform:translateY(-1px)}.controls button:disabled{opacity:.35;cursor:not-allowed}.controls .controls-play{font-size:.95rem}.controls .controls-play.playing{background:#7c5cff2e;border-color:#7c5cff73;color:#c9b6ff}.movelist{border:1px solid var(--glass-border);border-radius:14px;background:#00000040;padding:6px;max-height:360px;overflow-y:auto}.movelist-row{display:grid;grid-template-columns:36px 1fr 1fr;align-items:center;gap:4px}.movelist-row:nth-child(odd){background:#ffffff05;border-radius:8px}.movenum{font-size:.82rem;color:var(--ink-faint);text-align:right;padding-right:6px;font-variant-numeric:tabular-nums;min-width:2.5ch}.move-cell{display:flex;align-items:center;gap:8px;padding:7px 10px;border:none;background:transparent;color:var(--ink);font-size:.95rem;font-weight:600;font-family:inherit;border-radius:8px;cursor:pointer;text-align:left;width:100%}.move-cell.empty{cursor:default}.move-cell:not(.empty):hover{background:#ffffff12}.move-cell.active{background:#7c5cff38;box-shadow:inset 0 0 0 1px #7c5cff80}.move-cell .san{font-variant-numeric:tabular-nums}.footer-note{text-align:center;margin-top:56px;font-size:.82rem;color:var(--ink-faint)}.mute-toggle{font-size:0}.end-modal-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;align-items:center;justify-content:center;background:#05070fb8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);border-radius:16px;animation:overlay-in .22s ease-out;cursor:default}.end-modal{position:relative;width:min(520px,94%);padding:42px 38px 34px;border-radius:26px;border:1px solid rgba(111,150,196,.35);background:linear-gradient(170deg,#12162a,#0a0d1a);box-shadow:0 48px 100px -28px #000000f2,0 0 0 1px #ffffff0a,inset 0 1px #ffffff14;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;animation:modal-in .32s cubic-bezier(.2,1.2,.4,1);cursor:auto}.end-modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--glass-border);border-radius:50%;background:#ffffff0a;color:var(--ink-dim);font-size:1.25rem;line-height:1;cursor:pointer;transition:background .15s ease,color .15s ease;font-family:inherit}.end-modal-close:hover{background:#ffffff1f;color:var(--ink)}.end-modal-winner{font-size:2.2rem;font-weight:800;letter-spacing:-.04em;line-height:1.1;margin-top:4px}.end-modal-winner--win{color:var(--accent)}.end-modal-winner--loss{color:var(--ink-dim)}.end-modal-winner--draw{color:var(--ink)}.end-modal-method{margin-top:2px;font-size:.88rem;font-weight:500;color:var(--ink-faint);letter-spacing:.025em}.end-modal-players{display:flex;align-items:center;gap:10px;font-size:1rem;font-weight:600;color:var(--ink);margin-top:2px}.end-modal-vs{font-size:.78rem;font-weight:500;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.08em}.end-modal-best{margin:10px 0 4px;padding:16px 20px;border-radius:16px;background:#6f96c412;border:1px solid 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#ffffff40}.account-id{min-width:0}.account-eyebrow{display:inline-block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}.account-username{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:800}.account-sub{margin:8px 0 0;font-size:.92rem;color:var(--ink-dim)}.account-section{margin-top:12px;padding:28px;border-radius:var(--radius);border:1px solid var(--glass-border);background:linear-gradient(180deg,#ffffff0d,#ffffff05);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 30px 80px -40px #000c}.account-section-title{font-size:1.2rem;font-weight:700}.account-section-sub{margin:8px 0 22px;font-size:.92rem;line-height:1.55;color:var(--ink-faint)}.connect-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 640px){.connect-grid{grid-template-columns:1fr}}.connect-card{display:flex;align-items:center;gap:14px;padding:18px;text-align:left;border-radius:16px;border:1px solid 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