@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap";:root{--bg-color: #0f172a;--bg-gradient: radial-gradient(circle at top, #1e293b, #0f172a);--primary: #6366f1;--primary-hover: #4f46e5;--text-main: #f8fafc;--text-muted: #94a3b8;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--board-shadow: 0 20px 50px rgba(0, 0, 0, .5);--danger: #ef4444;--success: #22c55e;--font-main: "Outfit", sans-serif}body{margin:0;font-family:var(--font-main);background:var(--bg-color);background-image:var(--bg-gradient);color:var(--text-main);min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:2rem;flex:1;display:flex;flex-direction:column}.center-content{justify-content:center;align-items:center}.btn{background:var(--primary);color:#fff;border:none;padding:.8rem 2rem;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 15px #6366f14d;font-family:var(--font-main)}.btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 25px #6366f166}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-full{width:100%}.btn-large{padding:1rem 3rem;font-size:1.3rem;border-radius:16px}.btn-secondary{background:#ffffff1a;box-shadow:none}.btn-secondary:hover{background:#ffffff26;box-shadow:none}.btn-danger{background:var(--danger);box-shadow:0 4px 15px #ef44444d}.btn-danger:hover{background:#dc2626}.btn-play{padding:1.2rem 4rem;font-size:1.4rem}.btn-sm{padding:.4rem 1rem;font-size:.9rem;border-radius:8px}.btn-text{background:none;border:none;color:var(--text-muted);cursor:pointer;font-family:var(--font-main);transition:color .2s}.btn-text:hover{color:var(--text-main)}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:20px;padding:2rem;box-shadow:0 8px 32px #0000004d}.auth-panel{max-width:400px;width:100%}.auth-title{font-size:2rem;margin:0 0 .5rem;text-align:center}.auth-subtitle{color:var(--text-muted);text-align:center;margin-bottom:2rem}.auth-form{display:flex;flex-direction:column;gap:1.2rem}.form-group{display:flex;flex-direction:column;gap:.4rem}.form-group label{font-size:.9rem;color:var(--text-muted);font-weight:500}.form-group input{background:#0000004d;border:1px solid var(--glass-border);border-radius:10px;padding:.8rem 1rem;color:var(--text-main);font-size:1rem;font-family:var(--font-main);transition:border-color .2s}.form-group input:focus{outline:none;border-color:var(--primary)}.form-group input::placeholder{color:#94a3b880}.auth-error{color:var(--danger);font-size:.9rem;text-align:center;margin:0}.auth-switch{text-align:center;color:var(--text-muted);margin-top:1.5rem;font-size:.9rem}.auth-switch a{color:var(--primary);text-decoration:none;font-weight:600}.auth-switch a:hover{text-decoration:underline}.lobby-wrapper{max-width:600px;width:100%;display:flex;flex-direction:column;align-items:center;gap:2rem}.lobby-header{text-align:center}.lobby-title{font-size:2.5rem;margin:0 0 .5rem}.lobby-subtitle{color:var(--text-muted);font-size:1.1rem;margin:0}.tc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;width:100%}.tc-group{display:flex;flex-direction:column;gap:.5rem}.tc-group-label{font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin:0}.tc-options{display:flex;flex-wrap:wrap;gap:.5rem}.tc-btn{background:#ffffff0d;border:1px solid var(--glass-border);color:var(--text-main);padding:.6rem 1.2rem;border-radius:10px;cursor:pointer;font-family:var(--font-main);font-weight:600;font-size:.95rem;transition:all .2s}.tc-btn:hover{background:#6366f126;border-color:var(--primary)}.tc-btn-active{background:var(--primary);border-color:var(--primary);box-shadow:0 4px 15px #6366f14d}.tc-btn:disabled{opacity:.5;cursor:not-allowed}.lobby-actions{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%}.lobby-error{color:var(--danger);text-align:center}.searching-panel{display:flex;align-items:center;gap:1.5rem;width:100%}.searching-spinner{width:40px;height:40px;border:3px solid rgba(99,102,241,.3);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.searching-text{margin:0;font-weight:600;font-size:1.1rem}.searching-tc{margin:0;color:var(--text-muted)}.clock{background:#0000004d;padding:.8rem 1.5rem;border-radius:8px;display:flex;flex-direction:column;align-items:center;min-width:100px;border:1px solid transparent}.clock-active{background:#6366f11a;border-color:var(--primary);box-shadow:0 0 15px #6366f133}.clock-low{background:#ef44441a;border-color:var(--danger);color:#fca5a5}.clock-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.clock-time{font-size:1.8rem;font-weight:700;font-variant-numeric:tabular-nums}.game-layout{display:flex;flex-direction:column;gap:1rem;width:100%;max-width:560px}.player-panel{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem}.player-info{display:flex;align-items:center;gap:.75rem}.player-avatar{width:40px;height:40px;border-radius:50%}.opponent-avatar{background:#334155}.my-avatar{background:linear-gradient(135deg,#6366f1,#a855f7)}.player-details h3{margin:0;font-size:1rem}.player-name{font-weight:600}.player-status{font-size:.8rem;color:var(--text-muted)}.status-online{color:var(--success)}.board-wrapper{position:relative;width:100%}.board-container{width:100%;aspect-ratio:1;box-shadow:var(--board-shadow);border-radius:4px;overflow:hidden}.game-over-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0009;z-index:10;border-radius:4px}.game-over-panel{text-align:center;max-width:300px}.game-over-title{font-size:1.3rem;margin:0 0 1.5rem}.game-over-actions{display:flex;gap:.5rem;justify-content:center}.connection-status{margin-top:.5rem;color:#fbbf24;text-align:center;font-size:.9rem}.game-controls{margin-top:1rem;display:flex;justify-content:center}.resign-confirm{display:flex;align-items:center;gap:.75rem;color:var(--text-muted)}.invite-panel{margin-top:1.5rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;max-width:560px}.invite-label{color:var(--text-muted);font-size:.9rem}.invite-link{background:#0000004d;padding:.6rem 1rem;border-radius:8px;-webkit-user-select:all;user-select:all;cursor:pointer;font-size:.85rem;word-break:break-all;transition:background .2s}.invite-link:hover{background:#00000080}.invite-hint{font-size:.75rem;color:var(--text-muted)}.color-select{display:flex;gap:1rem;margin-top:2rem;justify-content:center}.color-btn{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem 2rem;border-radius:16px;border:2px solid var(--glass-border);cursor:pointer;font-family:var(--font-main);font-weight:600;font-size:1rem;transition:all .2s}.color-white{background:#f8fafc;color:#0f172a}.color-white:hover{border-color:#f8fafc;transform:translateY(-2px)}.color-black{background:#0f172a;color:#f8fafc}.color-black:hover{border-color:#64748b;transform:translateY(-2px)}.color-piece{font-size:2.5rem}.tc-badge{margin-top:1rem;background:#6366f11a;color:var(--primary);padding:.3rem .8rem;border-radius:6px;font-size:.85rem;font-weight:600}.promotion-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#000000b3;z-index:20;border-radius:4px}.promotion-dialog{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:1.5rem;border-radius:16px;border:1px solid var(--glass-border);text-align:center}.promotion-dialog p{margin:0 0 1rem;font-weight:600}.promotion-options{display:flex;gap:.5rem}.promotion-btn{background:#ffffff1a;border:1px solid var(--glass-border);color:var(--text-main);padding:.6rem 1rem;border-radius:8px;cursor:pointer;font-family:var(--font-main);font-weight:600;transition:all .2s}.promotion-btn:hover{background:var(--primary);border-color:var(--primary)}@media(max-width:640px){.tc-grid{grid-template-columns:1fr}.lobby-title{font-size:2rem}.btn-play{padding:1rem 2rem;font-size:1.2rem}}.navbar{background:#0f172ae6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:100}.navbar-inner{max-width:1200px;margin:0 auto;padding:0 2rem;height:60px;display:flex;align-items:center;justify-content:space-between}.navbar-brand{font-size:1.4rem;font-weight:700;color:var(--text-main);text-decoration:none;display:flex;align-items:center;gap:.5rem}.navbar-logo{font-size:1.6rem}.navbar-links{display:flex;align-items:center;gap:1.5rem}.nav-link{color:var(--text-muted);text-decoration:none;font-weight:500;transition:color .2s}.nav-link:hover{color:var(--text-main)}.navbar-user{display:flex;align-items:center;gap:1rem}.navbar-username{color:var(--primary);font-weight:600}.btn-text{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.9rem;font-family:var(--font-main);transition:color .2s}.btn-text:hover{color:#ef4444}.btn-sm{padding:.4rem 1rem;font-size:.9rem}