:root{color:#22202a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8f7fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--text-primary:#252331;--text-secondary:#716d7e;--text-muted:#a5a0af;--bg:#f8f7fb;--surface:#fff;--surface-muted:#f8f7fb;--surface-hover:#f2f0f6;--border:#e7e3eb;--border-strong:#c9c2d1;--purple:#8257e8;--purple-soft:#efeafe;--green:#1fa970;--green-soft:#e2f7ed;--x-color:#1fa970;--x-soft:#e2f7ed;--o-color:#d39d12;--o-soft:#fff3ce;--focus-ring:#a78bfa;--button-text:#fff;--button-hover:#3b3847;--win-background:#fbfaff;--card-shadow:0 22px 55px #2b233e12, 0 2px 5px #2b233e06}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--text-primary:#f2eff8;--text-secondary:#b5b0c0;--text-muted:#746e7d;--bg:#17151d;--surface:#211e28;--surface-muted:#2a2633;--surface-hover:#332e3d;--border:#3a3545;--border-strong:#575064;--purple:#b89aff;--purple-soft:#382d56;--green:#62d6a1;--green-soft:#193f34;--x-color:#62d6a1;--x-soft:#193f34;--o-color:#f6cb4e;--o-soft:#4a3b14;--focus-ring:#c4b5fd;--button-text:#1d1a24;--button-hover:#fff;--win-background:#302c39;--card-shadow:0 24px 60px #00000040, 0 2px 6px #0003}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;min-height:100vh;margin:0;transition:background .18s}button{-webkit-tap-highlight-color:transparent}.app-shell{width:min(100%,720px);margin:0 auto;padding:28px 24px 36px}.topbar{justify-content:space-between;align-items:center;margin-bottom:clamp(42px,9vw,76px);display:flex}.header-controls{align-items:center;gap:8px;display:flex}.brand{color:var(--text-primary);letter-spacing:-.03em;align-items:center;gap:10px;font-size:.92rem;font-weight:800;text-decoration:none;display:inline-flex}.brand-mark{grid-template-columns:repeat(2,6px);gap:2px;display:grid}.brand-mark i{background:var(--purple);border-radius:2px;width:6px;height:6px}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){background:var(--green)}.theme-toggle{border:1px solid var(--border);min-height:36px;color:var(--text-secondary);background:var(--surface);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:0 11px;font-size:.78rem;font-weight:700;transition:background .16s,border-color .16s,color .16s;display:inline-flex}.language-select select{border:1px solid var(--border);min-height:36px;color:var(--text-secondary);background:var(--surface);font:inherit;cursor:pointer;border-radius:999px;padding:0 9px;font-size:.72rem;font-weight:800}.language-select select:hover,.theme-toggle:hover{color:var(--text-primary);border-color:var(--border-strong)}.theme-toggle span{font-size:1rem;line-height:1}.game-card{border:1px solid var(--border);background:var(--surface);box-shadow:var(--card-shadow);border-radius:28px;padding:clamp(24px,6vw,46px)}.intro{text-align:center}.eyebrow{color:var(--text-secondary);letter-spacing:.12em;text-transform:uppercase;margin:0 0 9px;font-size:.72rem;font-weight:800}h1{color:var(--text-primary);letter-spacing:-.075em;margin:0;font-size:clamp(2.2rem,7vw,3.4rem);line-height:1}.subtitle{color:var(--text-secondary);margin:14px 0 0;font-size:.95rem}.scoreboard{border:1px solid var(--border);background:var(--surface-muted);border-radius:17px;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:34px auto 26px;padding:13px;display:grid}.score{grid-template-columns:1fr auto;align-items:center;padding:0 7px;display:grid;position:relative}.score-player{color:var(--text-secondary);min-width:0;font-size:.73rem;font-weight:700}.score-player input{width:100%;min-width:0;color:var(--text-secondary);font:inherit;font-size:inherit;font-weight:inherit;text-overflow:ellipsis;background:0 0;border:0;outline:0;padding:3px 0}.score-player input::placeholder{opacity:1;color:var(--text-secondary)}.score-player input:hover,.score-player input:focus{color:var(--text-primary)}.score strong{color:var(--text-primary);font-size:1.35rem;line-height:1}.score-mark{opacity:.08;font-size:2.25rem;font-weight:900;line-height:1;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.score-x .score-mark{color:var(--x-color)}.score-o .score-mark{color:var(--o-color)}.score-divider{color:var(--text-muted);font-weight:700}.turn-status{min-height:38px;color:var(--text-primary);justify-content:center;align-items:center;gap:9px;margin-bottom:17px;font-size:.92rem;font-weight:800;display:flex}.turn-token{background:var(--surface-muted);width:26px;height:26px;color:var(--text-secondary);border-radius:8px;place-items:center;font-size:.83rem;display:grid}.turn-token.x{background:var(--x-soft);color:var(--x-color)}.turn-token.o{background:var(--o-soft);color:var(--o-color)}.board{grid-template-columns:repeat(3,1fr);gap:10px;width:min(100%,392px);margin:0 auto;display:grid}.square{aspect-ratio:1;border:1px solid var(--border);background:var(--surface-muted);color:var(--text-primary);font:inherit;cursor:pointer;border-radius:18px;font-size:clamp(2.4rem,12vw,4.25rem);font-weight:800;line-height:1;transition:border-color .14s,background .14s,transform .14s}.square:not(:disabled):hover{border-color:var(--border-strong);background:var(--surface-hover);transform:translateY(-2px)}.square:disabled{cursor:default}.square-loading{cursor:wait!important}.square-x{color:var(--x-color)}.square-o{color:var(--o-color)}.winning-square{background:var(--win-background);border-color:currentColor}.confetti{z-index:10;pointer-events:none;position:fixed;inset:0;overflow:hidden}.confetti-piece{top:-24px;left:var(--confetti-left);background:var(--confetti-color);width:9px;height:15px;animation:confetti-fall 3.2s cubic-bezier(.2, .7, .3, 1) var(--confetti-delay) both;transform:rotate(var(--confetti-rotation));border-radius:2px;position:absolute}@keyframes confetti-fall{0%{opacity:0;transform:translate3d(0, -24px, 0) rotate(var(--confetti-rotation))}10%{opacity:1}to{opacity:0;transform:translate3d(45px, 110vh, 0) rotate(calc(var(--confetti-rotation) + 540deg))}}.spinner,.square-spinner{border:2px solid;border-right-color:#0000;border-radius:50%;flex:none;animation:.7s linear infinite spin;display:inline-block}.spinner{width:14px;height:14px}.square-spinner{width:30px;height:30px;color:var(--purple);border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.actions{justify-content:center;gap:10px;margin-top:27px;display:flex}.button{min-height:43px;font:inherit;cursor:pointer;border-radius:11px;justify-content:center;align-items:center;gap:8px;padding:0 16px;font-size:.84rem;font-weight:800;transition:transform .14s,background .14s,border-color .14s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button:disabled,.room-form input:disabled{cursor:wait;opacity:.65}.button:disabled:hover{transform:none}.secondary-button{border:1px solid var(--border);color:var(--text-secondary);background:0 0}.secondary-button:hover{border-color:var(--border-strong);color:var(--text-primary)}.primary-button{border:1px solid var(--text-primary);color:var(--button-text);background:var(--text-primary)}.primary-button:hover{background:var(--button-hover)}.footer-note{color:var(--text-muted);text-align:center;margin:21px 0 0;font-size:.76rem}.mode-choice,.room-form{gap:28px;display:grid}.mode-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.room-form label{color:var(--text-secondary);gap:8px;font-size:.78rem;font-weight:800;display:grid}.room-form input{border:1px solid var(--border);min-height:45px;color:var(--text-primary);background:var(--surface-muted);font:inherit;border-radius:11px;outline:0;padding:0 13px}.room-form input:focus{border-color:var(--focus-ring);box-shadow:0 0 0 3px color-mix(in srgb, var(--focus-ring) 25%, transparent)}.form-message{color:var(--o-color);text-align:center;margin:0;font-size:.82rem;font-weight:700}.rematch-request{border:1px solid var(--border-strong);color:var(--text-primary);background:var(--surface-muted);text-align:center;border-radius:11px;margin:18px 0 -8px;padding:11px 14px;font-size:.84rem;font-weight:800}.loading-message{min-height:24px;color:var(--text-secondary);justify-content:center;align-items:center;gap:8px;margin:13px 0 -7px;font-size:.82rem;font-weight:700;display:flex}.waiting-panel{border:1px dashed var(--border-strong);color:var(--text-secondary);text-align:center;border-radius:17px;justify-items:center;gap:14px;margin-top:30px;padding:clamp(18px,5vw,24px);display:grid}.waiting-panel p{margin:0}.copy-invite-button{width:min(100%,260px)}.qr-code-description{font-size:.82rem;font-weight:700}.qr-code{border:1px solid var(--border);background:#fff;border-radius:14px;place-items:center;width:min(100%,204px);padding:12px;display:grid}.qr-code svg{width:100%;height:auto;display:block}.turn-timer{min-width:32px;color:var(--text-secondary);font-variant-numeric:tabular-nums}button:focus-visible,a:focus-visible,.language-select select:focus-visible,.score-player input:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){.confetti{display:none}}@media (width<=440px){.app-shell{padding:20px 15px 28px}.topbar{margin-bottom:38px}.game-card{border-radius:22px;padding:27px 18px}.scoreboard{margin-top:28px}.score-player{font-size:.66rem}.square{border-radius:14px}.mode-actions{grid-template-columns:1fr}.waiting-panel{gap:12px}}