*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-dark:#0a0a0f;--bg-card:#14141f;--accent:#f59e0b;--accent-glow:#f59e0b88;--danger:#ef4444;--success:#22c55e;--text:#e2e8f0;--text-dim:#64748b}html,body,#root{background:var(--bg-dark);width:100%;height:100%;color:var(--text);-webkit-user-select:none;user-select:none;cursor:default;font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden}.screen{z-index:20;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#splash-screen{background:var(--bg-dark);z-index:100}.splash-content{text-align:center}.splash-logo,.menu-logo,.auth-logo,.gameover-logo{object-fit:contain;width:120px;height:120px;filter:drop-shadow(0 0 12px var(--accent-glow));margin:0 auto 15px;animation:2.5s ease-in-out infinite pulse-logo;display:block}.splash-logo{width:160px;height:160px;margin-bottom:20px}.gameover-logo{filter:drop-shadow(0 0 12px #ef444466);width:80px;height:80px;margin-bottom:10px}@keyframes pulse-logo{0%,to{opacity:.9;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.splash-title,.menu-title{color:var(--accent);letter-spacing:.15em;text-shadow:0 0 40px var(--accent-glow);margin-bottom:10px;font-family:Russo One,sans-serif;font-size:3.5rem}.menu-title{font-size:4rem}.menu-subtitle{color:var(--text-dim);margin-bottom:20px;font-size:1rem;font-style:italic}.menu-content,.auth-content,.multiplayer-content{text-align:center;width:100%;max-width:380px;padding:20px}.splash-loader{background:var(--bg-card);border-radius:2px;width:200px;height:4px;margin:20px auto 0;overflow:hidden}.loader-bar{background:var(--accent);border-radius:2px;width:0%;height:100%;animation:2.8s ease-in-out forwards load-progress}@keyframes load-progress{0%{width:0%}60%{width:70%}to{width:100%}}.btn-primary{letter-spacing:.1em;width:220px;color:var(--bg-dark);background:var(--accent);cursor:pointer;box-shadow:0 4px 20px var(--accent-glow);border:none;border-radius:12px;margin:0 auto 15px;padding:16px 40px;font-family:Russo One,sans-serif;font-size:1.3rem;transition:transform .15s,box-shadow .15s;display:block}.btn-primary:hover{box-shadow:0 6px 30px var(--accent-glow);transform:scale(1.05)}.btn-secondary{width:220px;color:var(--text-dim);border:2px solid var(--text-dim);cursor:pointer;background:0 0;border-radius:12px;margin:0 auto;padding:12px 40px;font-family:Inter,sans-serif;font-size:1rem;font-weight:600;transition:transform .15s,border-color .15s,color .15s;display:block}.btn-secondary:hover{border-color:var(--text);color:var(--text);transform:scale(1.05)}.lang-picker{justify-content:center;gap:8px;margin-bottom:20px;display:flex}.lang-btn{border:2px solid var(--text-dim);color:var(--text-dim);cursor:pointer;background:0 0;border-radius:8px;padding:6px 16px;font-family:Inter,sans-serif;font-size:.85rem;font-weight:600;transition:all .2s}.lang-btn.active{border-color:var(--accent);color:var(--accent);background:#f59e0b1a}.lang-btn:hover{border-color:var(--text);color:var(--text)}.high-score-display{color:var(--text-dim);flex-direction:column;gap:4px;margin-top:30px;font-size:.9rem;display:flex}.high-score-display span:last-child{color:var(--accent);font-size:1.5rem;font-weight:900}#auth-screen,#menu-screen,#multiplayer-screen,#profile-screen{background:var(--bg-dark);background-image:radial-gradient(ellipse at 50% 30%, #1a1a2e 0%, var(--bg-dark) 70%)}.auth-title{color:var(--accent);letter-spacing:.15em;text-shadow:0 0 30px var(--accent-glow);margin-bottom:30px;font-family:Russo One,sans-serif;font-size:2.5rem}.auth-form{background:var(--bg-card);border:1px solid #1e293b;border-radius:16px;margin-bottom:15px;padding:25px}.auth-form-title{color:var(--text);margin-bottom:20px;font-family:Russo One,sans-serif;font-size:1.2rem}.auth-form input{width:100%;color:var(--text);background:var(--bg-dark);border:2px solid #334155;border-radius:10px;outline:none;margin-bottom:12px;padding:12px 16px;font-family:Inter,sans-serif;font-size:.95rem;transition:border-color .2s;display:block}.auth-form input:focus{border-color:var(--accent)}.auth-form input::placeholder{color:var(--text-dim)}.auth-error{color:var(--danger);min-height:1.2em;margin-bottom:10px;font-size:.85rem}.auth-switch{color:var(--text-dim);margin-top:15px;font-size:.85rem}.auth-switch a{color:var(--accent);font-weight:600;text-decoration:none}.auth-switch a:hover{text-decoration:underline}.user-badge{justify-content:center;align-items:center;gap:12px;margin-bottom:20px;font-size:.9rem;display:flex}.user-badge span{color:var(--accent);font-weight:700}.user-badge a{color:var(--text-dim);font-size:.8rem;text-decoration:none}.user-badge a:hover{color:var(--danger)}#game-screen{background:var(--bg-dark)}#game-container{flex-direction:column;width:100vw;max-width:480px;height:100vh;max-height:850px;margin:0 auto;display:flex;position:relative;overflow:hidden}#score-bar{background:var(--bg-card);z-index:5;border-bottom:1px solid #1e293b;flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.score-left,.score-right{flex-direction:column;align-items:center;gap:2px;display:flex}.score-label{letter-spacing:.15em;color:var(--text-dim);font-size:.65rem;font-weight:700}#current-score,#current-level{color:var(--accent);font-family:Russo One,sans-serif;font-size:1.4rem}.score-center{text-align:center;flex-direction:column;flex:1;align-items:center;display:flex}#current-word-display{letter-spacing:.12em;color:var(--text);text-transform:uppercase;min-height:1.6rem;font-family:Russo One,sans-serif;font-size:1.6rem;transition:color .2s}#current-word-display.valid-prefix{color:var(--success)}#current-word-display.invalid-prefix{color:var(--danger)}.combo-display{color:gold;margin-top:2px;font-family:Russo One,sans-serif;font-size:.85rem;transition:opacity .3s}#game-canvas{touch-action:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;flex:1;min-height:0;display:block}#gameover-screen{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0a0a0feb}.gameover-content{text-align:center;padding:30px}.gameover-title{color:var(--danger);letter-spacing:.1em;text-shadow:0 0 30px #ef444466;margin-bottom:30px;font-family:Russo One,sans-serif;font-size:3rem}.gameover-stats{grid-template-columns:1fr 1fr;gap:20px;max-width:300px;margin-bottom:35px;margin-left:auto;margin-right:auto;display:grid}.stat{flex-direction:column;gap:4px;display:flex}.stat-label{letter-spacing:.12em;color:var(--text-dim);text-transform:uppercase;font-size:.75rem;font-weight:700}.stat-value{color:var(--accent);font-family:Russo One,sans-serif;font-size:1.6rem}#profile-screen{overflow-y:auto}.profile-content{text-align:center;width:100%;max-width:400px;padding:30px 20px}.profile-title{color:var(--accent);margin-bottom:5px;font-family:Russo One,sans-serif;font-size:1.8rem}.profile-username{color:var(--text-dim);margin-bottom:25px;font-size:1rem}.profile-stats{grid-template-columns:1fr 1fr 1fr;gap:15px;margin-bottom:30px;display:grid}.profile-section-title{color:var(--text);text-align:left;margin-bottom:15px;font-family:Russo One,sans-serif;font-size:1rem}.profile-history{margin-bottom:25px}.history-item{background:var(--bg-card);border:1px solid #1e293b;border-radius:10px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:10px 14px;font-size:.85rem;display:flex}.history-item .history-score{color:var(--accent);font-family:Russo One,sans-serif;font-size:1.1rem}.history-item .history-date{color:var(--text-dim);font-size:.75rem}.history-item .history-words{color:var(--text-dim)}.matchmaking-spinner{margin:40px 0}.spinner{border:4px solid var(--text-dim);border-top-color:var(--accent);border-radius:50%;width:50px;height:50px;margin:0 auto 20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.vs-text{color:var(--danger);margin:20px 0;font-family:Russo One,sans-serif;font-size:2rem}.opponent-name{color:var(--accent);font-family:Russo One,sans-serif;font-size:1.8rem}@media (width<=400px){.splash-title,.menu-title{font-size:2.8rem}#current-word-display{font-size:1.3rem}}@media (width>=768px){#game-container{border-left:1px solid #1e293b;border-right:1px solid #1e293b}}