@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";[data-theme=dark]{--clr-bg: #0f0e0b;--clr-surface: #1a1710;--clr-surface2: #252016;--clr-surface-card: rgba(255, 255, 255, .04);--clr-overlay: rgba(0, 0, 0, .75);--clr-border: rgba(255, 255, 255, .08);--clr-border-soft: rgba(255, 255, 255, .05);--clr-border-input: rgba(255, 255, 255, .12);--clr-text: #eaeaea;--clr-text-muted: #7a7060;--clr-text-dim: #64748b;--clr-text-footer: #334155;--clr-accent: #f5c518;--clr-accent-light: #fde68a;--clr-accent-mid: #fbbf24;--clr-accent-rgb: 245, 197, 24;--clr-accent-dark: #d97706;--clr-accent-a06: rgba(245, 197, 24, .06);--clr-accent-a08: rgba(245, 197, 24, .08);--clr-accent-a10: rgba(245, 197, 24, .1);--clr-accent-a12: rgba(245, 197, 24, .12);--clr-accent-a15: rgba(245, 197, 24, .15);--clr-accent-a20: rgba(245, 197, 24, .2);--clr-accent-a35: rgba(245, 197, 24, .35);--clr-accent-a40: rgba(245, 197, 24, .4);--clr-accent-a50: rgba(245, 197, 24, .5);--clr-accent-a55: rgba(245, 197, 24, .55);--clr-orb1-from: #f5c518;--clr-orb1-to: #f97316;--clr-orb2-from: #fbbf24;--clr-orb2-to: #d97706;--clr-orb3-from: #fde68a;--clr-orb3-to: #f59e0b;--chess-light-sq: #f0d9b5;--chess-dark-sq: #b58863;--chess-board-border: #7a5230;--chess-coord-color: #7a5230;--clr-btn-primary-text: #0f0e0b;--clr-dropdown-bg: #1a1710}[data-theme=light]{--clr-bg: #fffbf0;--clr-surface: #fff8e1;--clr-surface2: #ffedb3;--clr-surface-card: rgba(0, 0, 0, .03);--clr-overlay: rgba(255, 255, 255, .75);--clr-border: rgba(0, 0, 0, .1);--clr-border-soft: rgba(0, 0, 0, .06);--clr-border-input: rgba(0, 0, 0, .15);--clr-text: #1a1008;--clr-text-muted: #6b5e3a;--clr-text-dim: #8c7542;--clr-text-footer: #a08040;--clr-accent: #c99a00;--clr-accent-light: #f5c518;--clr-accent-mid: #e0a800;--clr-accent-rgb: 201, 154, 0;--clr-accent-dark: #a67c00;--clr-accent-a06: rgba(201, 154, 0, .06);--clr-accent-a08: rgba(201, 154, 0, .08);--clr-accent-a10: rgba(201, 154, 0, .1);--clr-accent-a12: rgba(201, 154, 0, .12);--clr-accent-a15: rgba(201, 154, 0, .15);--clr-accent-a20: rgba(201, 154, 0, .2);--clr-accent-a35: rgba(201, 154, 0, .35);--clr-accent-a40: rgba(201, 154, 0, .4);--clr-accent-a50: rgba(201, 154, 0, .5);--clr-accent-a55: rgba(201, 154, 0, .55);--clr-orb1-from: #fde68a;--clr-orb1-to: #fbbf24;--clr-orb2-from: #fcd34d;--clr-orb2-to: #f59e0b;--clr-orb3-from: #fef3c7;--clr-orb3-to: #fde68a;--chess-light-sq: #f0d9b5;--chess-dark-sq: #b58863;--chess-board-border: #7a5230;--chess-coord-color: #7a5230;--clr-btn-primary-text: #1a1008;--clr-dropdown-bg: #fff8e1}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--clr-bg);color:var(--clr-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .25s ease,color .25s ease}#root{display:flex;flex-direction:column}.game-card{position:relative;border-radius:20px;background:var(--clr-surface-card);border:1px solid var(--clr-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);cursor:pointer;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;overflow:hidden}.game-card:hover:not(.game-card--disabled){transform:translateY(-4px);border-color:var(--clr-accent-a50);box-shadow:0 20px 60px var(--clr-accent-a20),0 0 0 1px var(--clr-accent-a15)}.game-card:hover:not(.game-card--disabled) .game-card-glow{opacity:1}.game-card:hover:not(.game-card--disabled) .game-card-arrow{transform:translate(4px);opacity:1}.game-card--disabled{cursor:default;opacity:.55}.game-card-glow{position:absolute;inset:0;background:radial-gradient(ellipse at top left,var(--clr-accent-a10) 0%,transparent 70%);opacity:0;transition:opacity .3s 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var(--clr-accent-a35);border-radius:100px;padding:6px 16px;font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--clr-accent-light);margin-bottom:24px}.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:var(--clr-accent);box-shadow:0 0 8px var(--clr-accent);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.hero-title{font-size:clamp(2.4rem,6vw,4rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--clr-text);margin-bottom:20px}.hero-title-accent{background:linear-gradient(135deg,var(--clr-accent) 0%,var(--clr-accent-mid) 50%,var(--clr-accent-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.05rem;color:var(--clr-text-muted);max-width:480px;margin:0 auto;line-height:1.7}.games-section{margin-bottom:60px}.games-section-title{font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--clr-text-dim);margin-bottom:20px;padding-left:4px}.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.home-footer{text-align:center;color:var(--clr-text-footer);font-size:.8rem;padding-top:8px}@media(max-width:600px){.home-content{padding:70px 16px 32px}.hero{margin-bottom:40px}.hero-subtitle{font-size:.95rem;max-width:100%}.games-grid{grid-template-columns:1fr;gap:14px}.home-topbar{top:12px;right:14px}}.training-panel{display:flex;flex-direction:column;gap:1.25rem;background:var(--clr-surface);border:1px solid 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ease}.coach-badge--good{background:#22c55e1f;border-color:#22c55e4d;color:#4ade80;animation:coach-pop .35s cubic-bezier(.34,1.56,.64,1)}.coach-badge--inaccuracy{background:var(--clr-accent-a12);border-color:var(--clr-accent-a35);color:var(--clr-accent);animation:coach-pop .35s cubic-bezier(.34,1.56,.64,1)}.coach-badge--blunder{background:#ef44441f;border-color:#ef44444d;color:#f87171;animation:coach-pop .35s cubic-bezier(.34,1.56,.64,1)}.coach-badge--miss{background:#f973161f;border-color:#f973164d;color:#fb923c;animation:coach-pop .35s cubic-bezier(.34,1.56,.64,1)}@keyframes coach-pop{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.eval-bar{display:flex;height:10px;border-radius:6px;overflow:hidden;background:var(--clr-surface2);border:1px solid var(--clr-border)}.eval-bar__fill{transition:width .5s cubic-bezier(.4,0,.2,1)}.eval-bar__fill--white{background:linear-gradient(90deg,var(--chess-light-sq) 0%,#f5f5f5 100%);border-radius:6px 0 0 6px}.eval-bar__fill--black{background:linear-gradient(90deg,#1a1008,#0f0e0b);border-radius:0 6px 6px 0}.eval-bar__label{font-size:.7rem;color:var(--clr-text-dim);font-weight:500;text-align:center}.training-actions{gap:.5rem}.training-btn{width:100%;justify-content:flex-start!important;font-size:.82rem!important;padding:.5rem .75rem!important;transition:all .2s ease}.training-btn--active{background:var(--clr-accent-a20)!important;border-color:var(--clr-accent-a50)!important;color:var(--clr-accent-light)!important}.training-arrow-legend{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;padding:.5rem .6rem;background:var(--clr-accent-a08);border:1px solid var(--clr-accent-a20);border-radius:8px;font-size:.7rem;color:var(--clr-text-muted);animation:coach-pop .3s ease}.arrow-legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;flex-shrink:0}.arrow-legend-dot--from{background:var(--clr-accent);box-shadow:0 0 6px var(--clr-accent-a55)}.arrow-legend-dot--to{background:#22c55e;box-shadow:0 0 6px #22c55ecc}.arrow-legend-text{flex:1;min-width:0}.chess-clock{display:inline-flex;flex-direction:column;align-items:center;gap:1px;padding:6px 14px;border-radius:10px;border:1.5px solid var(--clr-border-soft);background:var(--clr-surface-card);transition:border-color .3s ease,background .3s ease,box-shadow .3s ease;min-width:72px}.chess-clock__label{font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--clr-text-muted);line-height:1}.chess-clock__time{font-size:1.1rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--clr-text-primary);letter-spacing:.04em;line-height:1.1}.chess-clock--active{border-color:var(--clr-accent-a40);background:var(--clr-accent-a12);box-shadow:0 0 0 3px var(--clr-accent-a12);animation:clock-pulse 2s ease-in-out infinite}.chess-clock--active .chess-clock__time{color:var(--clr-accent-light)}@keyframes clock-pulse{0%,to{box-shadow:0 0 0 3px var(--clr-accent-a12)}50%{box-shadow:0 0 0 6px transparent}}.chess-clock--warning{border-color:#daa60b99;background:#daa60b1a}.chess-clock--warning .chess-clock__time{color:#f4c025}.chess-clock--warning.chess-clock--active{animation:clock-pulse-warn 1s ease-in-out infinite}@keyframes clock-pulse-warn{0%,to{box-shadow:0 0 0 3px #daa60b33}50%{box-shadow:0 0 0 6px transparent}}.chess-clock--danger{border-color:#df2020b3;background:#df20201f}.chess-clock--danger .chess-clock__time{color:#ed5e5e}.chess-clock--danger.chess-clock--active{animation:clock-pulse-danger .5s ease-in-out infinite}@keyframes clock-pulse-danger{0%,to{box-shadow:0 0 0 3px #df202040}50%{box-shadow:0 0 0 7px transparent}}.chess-clock--timeout{border-color:#df202080;background:#df202014;opacity:.7}.chess-clock--timeout .chess-clock__time{color:#e05252}@media(max-width:600px){.chess-clock{padding:4px 10px;min-width:60px}.chess-clock__time{font-size:.95rem}.chess-clock__label{font-size:.58rem}}:root{--selected-sq: #7fc97f;--last-move: rgba(255, 255, 100, .45);--legal-dot-color: rgba(0, 0, 0, .22);--capture-ring: rgba(0, 0, 0, .32);--check-sq: rgba(220, 50, 50, .65);--white-piece: #f8f5f0;--white-piece-shadow: #5a4a3a;--black-piece: #1a1008;--black-piece-shadow: #8b7355;--radius: 12px;--sq-size: clamp(44px, 7.5vmin, 72px)}.playboard-wrapper{display:flex;flex-direction:column;align-items:center;gap:20px;padding:24px 16px;min-height:100vh;background:var(--clr-bg);color:var(--clr-text);font-family:Inter,Segoe UI,system-ui,sans-serif}.playboard-header{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:680px}.playboard-title{font-size:2rem;font-weight:800;letter-spacing:-.5px;background:linear-gradient(135deg,var(--chess-light-sq) 0%,var(--clr-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0;display:flex;align-items:center;gap:10px}.title-icon{font-size:2.2rem;-webkit-text-fill-color:initial;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}.difficulty-badge{font-size:.75rem;font-weight:700;letter-spacing:.05em;padding:4px 12px;border-radius:100px;background:var(--clr-surface-card);border:1px solid var(--clr-border);-webkit-text-fill-color:var(--clr-text-muted);color:var(--clr-text-muted);margin-left:4px;vertical-align:middle}.playboard-controls{display:flex;gap:10px}.playboard-body{display:flex;align-items:flex-start;gap:20px;width:100%;max-width:1100px;justify-content:center}.playboard-main{display:flex;flex-direction:column;align-items:center;gap:10px;flex-shrink:0}.playboard-sidebar{display:flex;flex-direction:column;gap:16px;width:220px;flex-shrink:0;padding-top:4px}.captured-bar{display:flex;align-items:center;gap:8px;height:36px;width:100%;max-width:640px;padding:0 4px;justify-content:space-between}.captured-label{font-size:.75rem;color:var(--clr-text-muted);font-weight:500;white-space:nowrap}.captured-pieces{display:flex;flex-wrap:wrap;gap:2px;font-size:1.4rem;line-height:1}.board-container{display:flex;flex-direction:column;align-items:center;background:var(--clr-surface);border-radius:var(--radius);padding:8px;box-shadow:0 0 0 3px var(--chess-board-border),0 16px 48px #0006,inset 0 1px #ffffff0d}.board-inner-row{display:flex;align-items:stretch}.board-container--locked .board-grid{cursor:not-allowed;opacity:.92}.board-container--locked .board-square{cursor:not-allowed}.board-container--locked .board-square:hover .piece-wrapper{transform:none}.thinking-overlay{position:absolute;inset:0;background:#0a0a148c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;z-index:10;color:var(--clr-accent-light);font-size:.85rem;font-weight:600;letter-spacing:.05em;border-radius:2px}.thinking-spinner{width:28px;height:28px;border:3px solid var(--clr-accent-a20);border-top-color:var(--clr-accent);border-radius:50%;animation:spin .8s linear infinite}.thinking-overlay--paused{background:#140c00b8;color:#f5b942;animation:pausedPulse 2s ease-in-out infinite}.thinking-overlay--paused .thinking-spinner{border-color:#f5b94240;border-top-color:#f5b942;animation:spin 1.4s linear infinite}@keyframes pausedPulse{0%,to{opacity:1}50%{opacity:.8}}.status--thinking{background:var(--clr-accent-a15);border:1px solid var(--clr-accent-a35);color:var(--clr-accent-light)}.board-coords{display:flex;color:var(--chess-coord-color);font-size:.7rem;font-weight:700;-webkit-user-select:none;user-select:none}.board-coords--files{flex-direction:row;padding:0 2px}.board-coords--ranks{flex-direction:column;width:18px;justify-content:space-around;align-items:center}.coord-cell{width:var(--sq-size);height:18px;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;color:var(--chess-coord-color);-webkit-user-select:none;user-select:none}.board-coords--ranks .coord-cell{width:18px;height:var(--sq-size)}.coord-spacer{width:18px}.board-grid{display:grid;grid-template-columns:repeat(8,var(--sq-size));grid-template-rows:repeat(8,var(--sq-size));border:2px solid var(--chess-board-border);border-radius:2px;overflow:hidden;position:relative}.best-move-arrow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:5;animation:arrow-fade-in .3s ease}@keyframes arrow-fade-in{0%{opacity:0}to{opacity:1}}.board-square{position:relative;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:filter .1s ease}.board-square--light{background:var(--chess-light-sq)}.board-square--dark{background:var(--chess-dark-sq)}.board-square--selected{background:var(--selected-sq)!important;box-shadow:inset 0 0 0 3px #00780099}.board-square--last-move{background-color:var(--last-move)!important}.board-square--check{background:var(--check-sq)!important;animation:pulse-check 1s ease-in-out infinite alternate}.board-square--hint{animation:hint-glow 1.2s ease-in-out infinite alternate}@keyframes hint-glow{0%{box-shadow:inset 0 0 0 3px var(--clr-accent-a50),inset 0 0 12px var(--clr-accent-a20)}to{box-shadow:inset 0 0 0 3px var(--clr-accent),inset 0 0 24px var(--clr-accent-a40)}}.board-square--best-move-to{box-shadow:inset 0 0 0 3px #22c55ecc,inset 0 0 16px #22c55e4d}@keyframes pulse-check{0%{background:#dc32328c}to{background:#dc3232d9}}.board-square:hover:not(.board-square--selected){filter:brightness(1.1)}.legal-dot{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:1}.legal-dot:after{content:"";width:30%;height:30%;border-radius:50%;background:var(--legal-dot-color);transition:transform .1s ease}.legal-dot--capture:after{width:90%;height:90%;border-radius:50%;background:transparent;border:4px solid var(--capture-ring)}.piece-wrapper{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;width:100%;height:100%;transition:transform .12s ease}.board-square:hover .piece-wrapper{transform:scale(1.06)}.chess-piece{font-size:calc(var(--sq-size) * .76);line-height:1;display:flex;align-items:center;justify-content:center;cursor:grab;-webkit-user-select:none;user-select:none;transition:filter .1s ease}.chess-piece--white{color:var(--white-piece);filter:drop-shadow(0 1px 1px var(--white-piece-shadow)) drop-shadow(0 2px 3px rgba(0,0,0,.4))}.chess-piece--black{color:var(--black-piece);filter:drop-shadow(0 1px 0px var(--black-piece-shadow)) drop-shadow(0 2px 3px rgba(0,0,0,.55))}.chess-piece--dragging{opacity:.5;cursor:grabbing}.status-badge{margin-top:4px;padding:10px 24px;border-radius:999px;background:var(--clr-surface2);font-weight:700;font-size:.95rem;border:1px solid var(--clr-border);letter-spacing:.02em;transition:background .3s ease,color .3s ease;box-shadow:0 4px 14px #0003}.status--check{background:linear-gradient(135deg,#b8860b,var(--clr-accent));color:var(--clr-btn-primary-text);animation:pulse-badge 1s ease-in-out infinite alternate}.status--checkmate{background:linear-gradient(135deg,#8b0000,#e94560);color:#fff}.status--stalemate{background:linear-gradient(135deg,var(--clr-surface2),var(--clr-surface));color:var(--clr-text)}@keyframes pulse-badge{0%{box-shadow:0 0 0 0 var(--clr-accent-a50)}to{box-shadow:0 0 0 10px #f5c51800}}.move-history{width:100%;background:var(--clr-surface);border-radius:var(--radius);padding:16px 20px;border:1px solid var(--clr-border);box-shadow:0 4px 20px #00000026}.history-title{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--clr-text-muted);margin:0 0 12px}.history-list{display:grid;grid-template-columns:28px 1fr 1fr;gap:2px 8px;max-height:160px;overflow-y:auto;font-size:.88rem;scrollbar-width:thin;scrollbar-color:var(--clr-surface2) transparent}.history-list::-webkit-scrollbar{width:4px}.history-list::-webkit-scrollbar-thumb{background:var(--clr-surface2);border-radius:4px}.history-empty{color:var(--clr-text-muted);font-style:italic;grid-column:1 / -1;font-size:.82rem}.history-header{display:grid;grid-template-columns:28px 1fr 1fr;gap:2px 8px;margin-bottom:6px;padding-bottom:6px;border-bottom:1px solid var(--clr-border)}.history-header__num{display:block}.history-header__col{font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:0 8px}.history-header__col--white{color:var(--chess-light-sq)}.history-header__col--black{color:var(--chess-dark-sq)}.history-row--active .history-move{background:var(--clr-accent-a12);border-radius:4px}.history-row--active .history-move--white,.history-row--active .history-move--black{color:var(--clr-accent-light)}.history-row{display:contents}.history-num{color:var(--clr-text-muted);font-size:.8rem;display:flex;align-items:center;justify-content:flex-end;padding-right:4px}.history-move{padding:3px 8px;border-radius:4px;font-family:Courier 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slide-up{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.promotion-title{text-align:center;font-size:1.2rem;font-weight:700;margin:0 0 24px;color:var(--clr-text)}.promotion-choices{display:flex;gap:16px}.promotion-choice{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 16px;border-radius:14px;border:2px solid transparent;background:var(--clr-surface2);cursor:pointer;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;color:var(--clr-text)}.promotion-choice:hover{transform:translateY(-4px);border-color:var(--clr-accent);box-shadow:0 8px 24px var(--clr-accent-a35)}.promotion-choice .chess-piece{font-size:3rem}.promotion-label{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--clr-text-muted)}.resign-modal{background:var(--clr-surface);border-radius:20px;padding:36px 40px;border:1px solid rgba(220,50,50,.35);box-shadow:0 24px 80px #00000073,0 0 0 1px #dc323226;animation:slide-up .25s ease;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:340px;text-align:center}.resign-modal__icon{font-size:2.8rem;line-height:1}.resign-modal__title{font-size:1.3rem;font-weight:800;color:var(--clr-text);margin:0}.resign-modal__subtitle{font-size:.9rem;color:var(--clr-text-muted);margin:0;line-height:1.5}.resign-modal__actions{display:flex;gap:12px;margin-top:8px;width:100%}.resign-modal__btn{flex:1}@media(max-width:900px){.playboard-body{flex-direction:column;align-items:center}.playboard-sidebar{width:100%;max-width:620px;padding-top:0}.history-list{max-height:120px}}@media(max-width:600px){:root{--sq-size: clamp(38px, 11vw, 56px)}.playboard-wrapper{padding:12px 8px;gap:12px}.playboard-header{flex-wrap:wrap;gap:8px;max-width:100%}.playboard-title{font-size:1.4rem}.playboard-controls{gap:6px}.board-container{padding:4px}.captured-bar{max-width:100%;overflow:hidden}.captured-pieces{overflow:hidden;max-width:calc(100vw - 120px);flex-wrap:nowrap}.status-badge{font-size:.82rem;padding:8px 16px;text-align:center;word-break:break-word}.playboard-sidebar{width:100%}.move-history{padding:12px 14px}.history-list{max-height:100px;font-size:.82rem}.promotion-choices{gap:8px}.promotion-choice{padding:12px 8px}.promotion-choice .chess-piece{font-size:2.2rem}.thinking-overlay{font-size:.78rem;gap:8px;padding:0 12px;text-align:center}.resign-modal{padding:28px 24px;margin:16px}.resign-modal__actions{flex-direction:column}}@media(max-width:380px){:root{--sq-size: clamp(34px, 10.5vw, 44px)}.playboard-title{font-size:1.2rem}.difficulty-badge{display:none}}.difficulty-badge--training{background:var(--clr-accent-a15)!important;border-color:var(--clr-accent-a40)!important;color:var(--clr-accent-light)!important;-webkit-text-fill-color:var(--clr-accent-light)!important}.online-lobby{display:flex;flex-direction:column;gap:0;width:100%}.online-lobby__tabs{display:flex;gap:0;border-bottom:1px solid 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10px;border-radius:12px;background:var(--clr-surface-card);border:1px solid var(--clr-border);cursor:pointer;font-family:inherit;font-size:.85rem;font-weight:600;color:var(--clr-text);transition:border-color .2s,background .2s,transform .2s}.online-lobby__color-btn:hover{background:var(--clr-accent-a08);border-color:var(--clr-accent-a35);transform:translateY(-2px)}.online-lobby__color-btn--active{background:var(--clr-accent-a15);border-color:var(--clr-accent-a55);box-shadow:0 0 0 1px var(--clr-accent-a35)}.online-lobby__color-piece{font-size:1.8rem;line-height:1}.online-lobby__code-input{width:100%;padding:12px 16px;background:var(--clr-surface-card);border:1px solid var(--clr-border-input);border-radius:10px;font-family:Courier New,monospace;font-size:1.2rem;font-weight:700;letter-spacing:.2em;color:var(--clr-text);text-align:center;text-transform:uppercase;transition:border-color .2s;outline:none}.online-lobby__code-input:focus{border-color:var(--clr-accent-a50);box-shadow:0 0 0 2px var(--clr-accent-a15)}.online-lobby__submit-btn{width:100%}.online-lobby__status{display:flex;flex-direction:column;align-items:center;gap:16px;padding:8px 0;text-align:center}.online-lobby__status-icon{font-size:2.4rem}.online-lobby__status-msg{font-size:.9rem;color:var(--clr-text-muted);margin:0}.online-lobby__code-block{width:100%;background:var(--clr-accent-a08);border:1px solid var(--clr-accent-a20);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px}.online-lobby__code-label{font-size:.75rem;color:var(--clr-text-dim);font-weight:600;margin:0}.online-lobby__code-row{display:flex;align-items:center;gap:10px}.online-lobby__code{flex:1;font-family:Courier New,monospace;font-size:1.8rem;font-weight:800;letter-spacing:.25em;color:var(--clr-accent);text-shadow:0 0 20px var(--clr-accent-a55)}.online-lobby__copy-btn{flex-shrink:0;font-size:.78rem!important;padding:6px 12px!important}.online-lobby__waiting{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--clr-text-muted)}.online-lobby__spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--clr-border);border-top-color:var(--clr-accent);border-radius:50%;animation:online-spin .7s linear infinite;flex-shrink:0}.online-lobby__spinner--lg{width:36px;height:36px;border-width:3px}@keyframes online-spin{to{transform:rotate(360deg)}}.online-lobby__my-color{font-size:.82rem;color:var(--clr-text-dim);text-align:center;margin:0}@media(max-width:600px){.online-lobby__tab{padding:12px 0;font-size:.82rem}.online-lobby__code-row{flex-wrap:wrap;gap:8px}.online-lobby__code{font-size:1.4rem;letter-spacing:.15em;word-break:break-all}.online-lobby__copy-btn{width:100%;text-align:center}.online-lobby__status-icon{font-size:2rem}.online-lobby__status-msg{font-size:.85rem}.online-lobby__color-piece{font-size:1.5rem}}.setup-overlay{position:fixed;inset:0;background:#0a0a14d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:center;z-index:200;padding:24px;overflow-y:auto}.setup-card{background:var(--clr-surface);border:1px solid var(--clr-border);border-radius:24px;padding:36px;width:100%;max-width:640px;display:flex;flex-direction:column;gap:28px;animation:setupSlideIn .35s cubic-bezier(.34,1.56,.64,1) both}@keyframes setupSlideIn{0%{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.setup-card--online{max-width:460px}.setup-back-btn{align-self:flex-start;background:none;border:1px solid var(--clr-border);border-radius:8px;color:var(--clr-text-muted);font-family:inherit;font-size:.8rem;font-weight:600;padding:6px 12px;cursor:pointer;transition:color .2s,border-color .2s}.setup-back-btn:hover{color:var(--clr-accent-light);border-color:var(--clr-accent-a40)}.setup-header{text-align:center}.setup-icon{font-size:2.4rem;display:block;margin-bottom:12px}.setup-title{font-size:1.6rem;font-weight:800;color:var(--clr-text);letter-spacing:-.02em;margin-bottom:8px}.setup-subtitle{font-size:.9rem;color:var(--clr-text-dim)}.setup-section{display:flex;flex-direction:column;gap:10px}.setup-section-label{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--clr-text-dim)}.setup-options{display:grid;grid-template-columns:1fr 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var(--clr-accent-a15)}.setup-option-icon{font-size:1.6rem;line-height:1}.setup-option-title{font-size:.9rem;font-weight:700;color:var(--clr-text)}.setup-option-desc{font-size:.72rem;color:var(--clr-text-dim);line-height:1.4}.setup-option--easy.setup-option--active{background:#34d3991f!important;border-color:#34d39980!important;box-shadow:0 0 0 1px #34d39940,0 8px 24px #34d3991f}.setup-option--medium.setup-option--active{background:#fbbf241f!important;border-color:#fbbf2480!important;box-shadow:0 0 0 1px #fbbf2440,0 8px 24px #fbbf241f}.setup-option--hard.setup-option--active{background:#ef44441f!important;border-color:#ef444480!important;box-shadow:0 0 0 1px #ef444440,0 8px 24px #ef44441f}.setup-time-options{display:flex;flex-wrap:wrap;gap:8px}.setup-time-btn{padding:6px 14px;border-radius:20px;border:1.5px solid var(--clr-border-input);background:var(--clr-surface-card);color:var(--clr-text-muted);font-size:.82rem;font-weight:600;font-family:inherit;cursor:pointer;transition:border-color .2s ease,background .2s ease,color .2s ease,transform .15s ease;letter-spacing:.02em}.setup-time-btn:hover{border-color:var(--clr-accent-a40);color:var(--clr-accent-light);transform:translateY(-1px)}.setup-time-btn--active{background:var(--clr-accent-a12);border-color:var(--clr-accent-a40);color:var(--clr-accent-light);box-shadow:0 0 0 2px var(--clr-accent-a12)}.setup-start-btn{width:100%;padding:15px;border-radius:14px;background:linear-gradient(135deg,var(--clr-accent) 0%,var(--clr-accent-mid) 100%);border:none;color:var(--clr-btn-primary-text);font-family:inherit;font-size:1rem;font-weight:700;letter-spacing:.02em;cursor:pointer;transition:opacity .2s,transform .2s,box-shadow .2s;box-shadow:0 8px 24px var(--clr-accent-a35)}.setup-start-btn:hover:not(.setup-start-btn--disabled){opacity:.9;transform:translateY(-1px);box-shadow:0 12px 32px var(--clr-accent-a55)}.setup-start-btn--disabled{opacity:.35;cursor:not-allowed}@media(max-width:600px){.setup-overlay{padding:12px;align-items:flex-start}.setup-card{padding:24px 18px;gap:20px;border-radius:18px;max-height:90vh;overflow-y:auto}.setup-title{font-size:1.3rem}.setup-icon{font-size:2rem}.setup-options--3{grid-template-columns:1fr 1fr 1fr;gap:8px}.setup-option{padding:12px 8px;gap:4px}.setup-option-icon{font-size:1.3rem}.setup-option-title{font-size:.82rem}.setup-option-desc{font-size:.65rem}.setup-start-btn{padding:14px;font-size:.95rem}}@media(max-width:380px){.setup-options--3{grid-template-columns:1fr}}.chess-page{position:relative;min-height:100vh;padding-top:57px}.chess-page .playboard-wrapper{min-height:calc(100vh - 57px);padding-top:16px}.chess-page-header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--clr-bg);opacity:.95;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--clr-border-soft)}.chess-page-back{background:var(--clr-surface-card);border:1px solid var(--clr-border-input);color:var(--clr-text-muted);font-family:inherit;font-size:.82rem;font-weight:600;padding:8px 14px;border-radius:10px;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;letter-spacing:.01em}.chess-page-back:hover{background:var(--clr-accent-a12);border-color:var(--clr-accent-a40);color:var(--clr-accent-light);transform:translate(-2px)}@media(max-width:600px){.chess-page{padding-top:50px}.chess-page .playboard-wrapper{min-height:calc(100vh - 50px);padding-top:10px}.chess-page-header{padding:8px 12px}.chess-page-back{font-size:.78rem;padding:7px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}}.chess-page-connecting{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:calc(100vh - 57px)}.connecting-spinner{width:44px;height:44px;border:3px solid var(--clr-border-soft);border-top-color:var(--clr-accent);border-radius:50%;animation:spin .8s linear infinite}.connecting-label{font-size:.95rem;color:var(--clr-text-muted);letter-spacing:.02em}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;position:relative;overflow:hidden;background:var(--clr-bg)}.bg-orb{position:fixed;border-radius:50%;filter:blur(80px);opacity:.18;pointer-events:none;animation:orbFloat 12s ease-in-out infinite}.bg-orb--1{width:600px;height:600px;background:radial-gradient(circle,var(--clr-orb1-from) 0%,var(--clr-orb1-to) 100%);top:-200px;left:-150px;animation-delay:0s}.bg-orb--2{width:500px;height:500px;background:radial-gradient(circle,var(--clr-orb2-from) 0%,var(--clr-orb2-to) 100%);top:30%;right:-150px;animation-delay:-4s}.bg-orb--3{width:400px;height:400px;background:radial-gradient(circle,var(--clr-orb3-from) 0%,var(--clr-orb3-to) 100%);bottom:-100px;left:30%;animation-delay:-8s}@keyframes orbFloat{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-40px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.95)}}.login-card{position:relative;z-index:1;width:100%;max-width:420px;background:var(--clr-surface);border:1px solid var(--clr-border);border-radius:24px;padding:48px 40px;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:0 0 0 1px var(--clr-accent-a08),0 32px 80px #0000004d;text-align:center;animation:card-in .4s cubic-bezier(.22,.61,.36,1)}@keyframes card-in{0%{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.login-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:32px}.login-brand-icon{font-size:2rem;filter:drop-shadow(0 2px 8px var(--clr-accent-a55))}.login-brand-name{font-size:1.3rem;font-weight:800;background:linear-gradient(135deg,var(--clr-accent) 0%,var(--clr-accent-mid) 60%,var(--clr-accent-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}.login-title{font-size:1.5rem;font-weight:700;color:var(--clr-text);margin:0 0 10px;letter-spacing:-.02em}.login-subtitle{font-size:.9rem;color:var(--clr-text-dim);margin:0 0 36px;line-height:1.6}.btn.login-google-btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 24px;border-radius:14px;color:var(--clr-text);font-size:.95rem;font-weight:600;margin-bottom:16px}.btn.login-google-btn:hover:not(:disabled){border-color:var(--clr-accent-a50);transform:translateY(-2px);box-shadow:0 8px 24px var(--clr-accent-a20)}.login-google-icon{width:20px;height:20px;flex-shrink:0}.login-spinner{width:18px;height:18px;border:2px solid var(--clr-border);border-top-color:var(--clr-accent-light);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-error{font-size:.83rem;color:#f87171;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:8px;padding:10px 14px;margin:0 0 12px}.login-footer{font-size:.75rem;color:var(--clr-text-footer);margin:8px 0 0;line-height:1.5}