@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{--bg-deep:#f4f8ff;--bg-main:#ebf3fe;--bg-card:#ffffffeb;--bg-card-hover:#fffffffa;--bg-elevated:#fff;--bg-glass:#ffffffbf;--accent-x:#3b82f6;--accent-x-dim:#3b82f61f;--accent-x-glow:0 0 20px #3b82f680;--accent-o:#00e5ff;--accent-o-dim:#00e5ff1f;--accent-o-glow:0 0 20px #00e5ff80;--accent-gold:#f59e0b;--accent-win:#10b981;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border-light:#e2e8f0cc;--border-bright:#00e5ff66;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--shadow-neon-cyan:0 10px 30px #00e5ff33;--shadow-neon-blue:0 10px 30px #3b82f633;--shadow-card:0 12px 40px #00b4ff1f, 0 2px 10px #00000005;--shadow-deep:0 20px 60px #00b4ff33;--font-main:"Outfit", system-ui, sans-serif;--font-display:"Space Grotesk", system-ui, sans-serif;--color-x:#3b82f6;--color-o:#00e5ff;--transition:.22s cubic-bezier(.4, 0, .2, 1);--transition-bounce:.35s cubic-bezier(.34, 1.56, .64, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-main);-webkit-font-smoothing:antialiased;min-height:100dvh;overflow-x:hidden;background:var(--bg-deep)!important;color:var(--text-primary)!important}#root{background:var(--bg-deep);flex-direction:column;min-height:100dvh;display:flex}.app-bg{z-index:-1;position:fixed;inset:0;overflow:hidden;background:radial-gradient(circle at 15% 15%,#00e5ff26 0%,#0000 45%),radial-gradient(circle at 85% 85%,#3b82f626 0%,#0000 45%),radial-gradient(circle,#fffffff2 0%,#f4f8ff 100%)!important}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px}.glass{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-light);border-radius:var(--radius-lg)}.btn{font-family:var(--font-main);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;display:inline-flex}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-primary{color:#fff;background:linear-gradient(135deg,#3b82f6,#00e5ff);box-shadow:0 4px 20px #00e5ff59}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 28px #00e5ff80}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-light);background:#ffffffe6;box-shadow:0 2px 8px #0000000a}.btn-secondary:hover:not(:disabled){border-color:var(--accent-x);color:var(--accent-x)}.btn-sm{border-radius:var(--radius-sm);padding:8px 16px;font-size:.85rem}.btn-lg{border-radius:var(--radius-lg);padding:16px 36px;font-size:1.05rem}.btn-full{width:100%}.navbar{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);z-index:100;background:#ffffffd9;justify-content:space-between;align-items:center;padding:16px 32px;display:flex;position:sticky;top:0}.navbar-logo{font-family:var(--font-display);background:linear-gradient(135deg,#2563eb,#00b4d8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;align-items:center;gap:8px;font-size:1.35rem;font-weight:800;display:flex}.navbar-right{align-items:center;gap:16px;display:flex}.navbar-tabs{border-radius:var(--radius-md);border:1px solid var(--border-light);background:#f1f5f9cc;gap:4px;padding:4px;display:flex}.navbar-tab{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);color:var(--text-secondary);background:0 0;border:none;padding:8px 20px;font-size:.875rem;font-weight:600}.navbar-tab.active{color:#2563eb;background:#fff;box-shadow:0 2px 10px #00b4ff26}.navbar-auth{align-items:center;display:flex;position:relative}.nav-profile-trigger{cursor:pointer;transition:var(--transition-bounce);background:#fff;border:1.5px solid #e2e8f0e6;border-radius:100px;outline:none;align-items:center;gap:8px;padding:4px 10px 4px 5px;display:flex;box-shadow:0 2px 8px #0000000a}.nav-profile-trigger:hover{border-color:#38bdf8;transform:translateY(-1px);box-shadow:0 4px 12px #00c8ff26}.nav-user-avatar{background:#e0f2fe;border-radius:50%;width:28px;height:28px}.nav-user-name{color:#1e293b;white-space:nowrap;text-overflow:ellipsis;max-width:120px;font-size:.85rem;font-weight:700;overflow:hidden}.nav-chevron{color:#64748b;transition:transform .2s}.nav-chevron.open{transform:rotate(180deg)}.nav-profile-dropdown{width:200px;box-shadow:var(--shadow-deep);z-index:1000;transform-origin:100% 0;background:#fff;border:1px solid #e2e8f0e6;border-radius:16px;flex-direction:column;gap:12px;padding:16px;display:flex;position:absolute;top:calc(100% + 8px);right:0}.nav-dropdown-header{flex-direction:column;gap:2px;display:flex}.nav-dropdown-role{color:#94a3b8;text-transform:uppercase;letter-spacing:.05em;font-size:.72rem;font-weight:700}.nav-dropdown-points{color:#1e293b;font-size:.9rem}.nav-dropdown-divider{background:#e2e8f0;width:100%;height:1px}.btn-dropdown-action{width:100%;font-family:var(--font-main);cursor:pointer;transition:var(--transition-bounce);box-sizing:border-box;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:8px 14px;font-size:.82rem;font-weight:700;display:inline-flex}.btn-dropdown-signout{color:#ef4444;background:#fef2f2}.btn-dropdown-signout:hover{background:#fee2e2;transform:translateY(-1px)}.btn-dropdown-google{color:#1e293b;background:#f8fafc;border:1px solid #e2e8f0}.btn-dropdown-google:hover:not(:disabled){background:#f1f5f9;border-color:#3b82f6;transform:translateY(-1px)}.btn-dropdown-google:disabled{opacity:.6;cursor:not-allowed}.play-type-container{flex-direction:column;align-items:center;gap:36px;max-width:640px;margin:0 auto;padding:48px 24px;display:flex}.play-type-hero{text-align:center}.play-type-title{background:linear-gradient(135deg,#2563eb 0%,#00b4d8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:clamp(2.4rem,6vw,3.5rem);font-weight:900;line-height:1.1}.play-type-subtitle{color:var(--text-secondary);font-size:1.05rem}.play-type-cards{grid-template-columns:1fr 1fr;gap:20px;width:100%;display:grid}.play-type-card{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);text-align:center;cursor:pointer;transition:var(--transition-bounce);background:#ffffffeb;border:1.5px solid #00e5ff4d;border-radius:24px;outline:none;padding:32px 24px;box-shadow:0 10px 30px #00c8ff1f,0 2px 8px #00000005}.play-type-card:hover{border-color:#00e5ff99;transform:translateY(-5px)scale(1.02);box-shadow:0 18px 45px #00e5ff40,0 0 20px #00e5ff26}.play-type-card:active{transform:scale(.98)}.play-type-icon{margin-bottom:14px;font-size:3rem}.play-type-card-title{color:#0f172a;background:linear-gradient(135deg,#1e293b,#0284c7);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:6px;font-size:1.3rem;font-weight:800}.play-type-card-desc{color:#64748b;font-size:.88rem;line-height:1.4}.btn-back-link{color:#2563eb;cursor:pointer;transition:var(--transition-bounce);background:#fff;border:1px solid #3b82f640;border-radius:100px;align-items:center;gap:6px;padding:6px 14px;font-size:.82rem;font-weight:600;animation:.4s cubic-bezier(.34,1.56,.64,1) forwards back-btn-slide-in;display:inline-flex;position:absolute;top:24px;left:24px;box-shadow:0 2px 6px #2563eb0d}.btn-back-link:hover{color:#2563eb;background:#f4f8ff;border-color:#3b82f6;transform:translate(-3px)scale(1.02)}@keyframes back-btn-slide-in{0%{opacity:0;transform:translate(-15px)}to{opacity:1;transform:translate(0)}}.neon-game-page{flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:1300px;min-height:calc(100dvh - 70px);margin:0 auto;padding:24px;display:flex;position:relative}.player-card-neon{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);min-width:310px;transition:var(--transition-bounce);border:1.5px solid #ffffffe6;border-radius:20px;align-items:center;gap:16px;padding:16px 20px;display:flex;position:relative;box-shadow:0 10px 30px #00c8ff1f,0 2px 8px #00000005}.player-card-neon.o{border-color:#00e5ff66}.player-card-neon.x{border-color:#3b82f666}.player-card-neon.active-turn{transform:translateY(-2px)scale(1.02);box-shadow:0 12px 36px #00e5ff40,0 0 20px #00e5ff33}@media (width>=900px){.game-corner-player.top-left-corner{z-index:10;position:absolute;top:24px;left:24px}.game-corner-player.bottom-right-corner{z-index:10;position:absolute;bottom:24px;right:24px}}.player-card-avatar-wrap{border-radius:50%;flex-shrink:0;width:54px;height:54px;position:relative}.player-card-avatar{object-fit:cover;background:#e0f2fe;border:2px solid #fff;border-radius:50%;width:100%;height:100%;box-shadow:0 0 12px #00e5ff4d}.player-card-info{flex-direction:column;flex:1;gap:2px;display:flex}.player-card-name{color:#1e293b;font-size:1rem;font-weight:700}.player-card-rank{color:#38bdf8;font-size:.8rem;font-weight:600}.player-card-score-pill{color:#0284c7;background:#e0f2feb3;border-radius:100px;align-items:center;gap:4px;width:fit-content;margin-top:4px;padding:3px 10px;font-size:.82rem;font-weight:700;display:inline-flex}.player-card-symbol-badge{background:#ffffffe6;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;display:flex;box-shadow:0 4px 14px #0000000f}.player-card-symbol-badge.o{color:var(--accent-o);box-shadow:0 0 16px #00e5ff66}.player-card-symbol-badge.x{color:var(--accent-x);box-shadow:0 0 16px #3b82f666}.neon-board-card{aspect-ratio:1;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffffff2;border:2px solid #fff;border-radius:32px;width:min(360px,90vw);padding:24px;position:relative;box-shadow:0 20px 60px #00c8ff29,0 4px 20px #00000008}.grid-line{z-index:1;background:linear-gradient(135deg,#00e5ff66,#3b82f666);border-radius:10px;position:absolute;box-shadow:0 0 8px #00e5ff4d}.grid-line.vertical{width:2.5px;top:24px;bottom:24px}.grid-line.vertical.line-1{left:calc(33.33% - 1.25px)}.grid-line.vertical.line-2{left:calc(66.66% - 1.25px)}.grid-line.horizontal{height:2.5px;left:24px;right:24px}.grid-line.horizontal.line-1{top:calc(33.33% - 1.25px)}.grid-line.horizontal.line-2{top:calc(66.66% - 1.25px)}.neon-grid{z-index:2;grid-template-rows:repeat(3,1fr);grid-template-columns:repeat(3,1fr);width:100%;height:100%;display:grid;position:relative}.lobby{flex-direction:column;gap:24px;max-width:560px;margin:0 auto;padding:36px 24px;display:flex}.lobby-hero{text-align:center;padding:40px 0 8px}.lobby-hero h1{background:linear-gradient(135deg,#2563eb 0%,#00b4d8 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:12px;font-size:clamp(2.2rem,6vw,3.2rem);font-weight:900;line-height:1.1}.lobby-hero p{color:var(--text-secondary);font-size:1rem;line-height:1.6}.mode-cards{grid-template-columns:1fr 1fr;gap:14px;display:grid}.mode-card{border-radius:var(--radius-md);border:2px solid var(--border-light);cursor:pointer;transition:var(--transition);background:var(--bg-card);text-align:left;padding:20px}.mode-card:hover{border-color:#38bdf8;transform:translateY(-2px)}.mode-card.selected-classic{border-color:var(--accent-o);box-shadow:var(--shadow-neon-cyan)}.mode-card.selected-sudden-death{border-color:var(--accent-x);box-shadow:var(--shadow-neon-blue)}.mode-card-icon{margin-bottom:8px;font-size:1.8rem}.mode-card-name{margin-bottom:4px;font-size:1rem;font-weight:700}.mode-card-desc{color:var(--text-secondary);font-size:.8rem;line-height:1.5}.name-input{border:1.5px solid var(--border-light);border-radius:var(--radius-md);width:100%;color:var(--text-primary);font-size:1rem;font-family:var(--font-main);transition:var(--transition);background:#fff;outline:none;padding:14px 18px;box-shadow:0 2px 8px #00000005}.name-input:focus{border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf833}.toast-neon{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-bright);border-radius:var(--radius-md);color:#1e293b;box-shadow:var(--shadow-deep);z-index:300;background:#fffffff2;padding:12px 24px;font-size:.9rem;font-weight:600;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.neon-cell.cell-winning{z-index:3;background:#ffd70014!important;animation:1.6s ease-in-out infinite alternate winning-cell-pulse!important;box-shadow:inset 0 0 16px #ffd7004d,0 0 20px #ffd70026!important}.neon-cell.cell-winning .neon-symbol{filter:drop-shadow(0 0 10px gold)drop-shadow(0 0 20px #ffd70099)!important}@keyframes winning-cell-pulse{0%{transform:scale(.98);box-shadow:inset 0 0 12px #ffd70033,0 0 12px #ffd7001a}to{transform:scale(1.02);box-shadow:inset 0 0 24px #ffd7008c,0 0 30px #ffd70059}}.winning-line-svg{z-index:10;pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.winning-line-svg line{filter:drop-shadow(0 0 8px #ffd700f2)drop-shadow(0 0 16px #ffb300b3);stroke-dasharray:200;stroke-dashoffset:200px;animation:.7s cubic-bezier(.34,1.56,.64,1) forwards draw-winning-line}@keyframes draw-winning-line{to{stroke-dashoffset:0}}.result-panel-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);text-align:center;box-sizing:border-box;background:#ffffffeb;border:1.5px solid #00e5ff40;border-radius:24px;width:100%;max-width:440px;margin-top:16px;padding:32px 24px 24px;position:relative;box-shadow:0 15px 40px #00b4ff24,0 0 15px #00e5ff0d}.result-badge{color:#3b82f6;background:#fff;border:2.5px solid #00e5ff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;animation:2s ease-in-out infinite alternate float-badge;display:flex;position:absolute;top:-24px;left:50%;transform:translate(-50%);box-shadow:0 4px 14px #00e5ff59}@keyframes float-badge{0%{transform:translate(-50%)translateY(0)}to{transform:translate(-50%)translateY(-3px)}}.trophy-icon{width:22px;height:22px}.result-content{flex-direction:column;align-items:center;gap:8px;display:flex}.result-title{color:#1e293b;margin-top:4px;font-size:1.6rem;font-weight:800}.result-winner-name{color:#2563eb;font-weight:900}.result-subtitle{color:#64748b;font-size:.95rem;font-weight:500}.result-points-tag{color:#b45309;background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b33;border-radius:100px;margin-top:4px;padding:4px 12px;font-size:.85rem;font-weight:800;display:inline-block}.result-actions{justify-content:center;align-items:center;gap:16px;width:100%;margin-top:16px;display:flex}.btn-result{font-family:var(--font-main);cursor:pointer;transition:var(--transition-bounce);box-sizing:border-box;border:none;border-radius:14px;outline:none;flex:1;justify-content:center;align-items:center;gap:8px;padding:12px 16px;font-size:.95rem;font-weight:700;display:inline-flex}.btn-result:active{transform:scale(.95)}.btn-result-primary{color:#fff;background:linear-gradient(135deg,#2563eb,#00b4d8);box-shadow:0 4px 15px #2563eb59}.btn-result-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #2563eb80}.btn-result-primary:disabled{opacity:.7;cursor:not-allowed;transform:none}.btn-result-secondary{color:#1e293b;background:#fff;border:1.5px solid #e2e8f0e6;box-shadow:0 2px 8px #0000000a}.btn-result-secondary:hover{color:#2563eb;border-color:#2563eb;transform:translateY(-2px);box-shadow:0 4px 12px #2563eb1a}.btn-icon{flex-shrink:0;width:18px;height:18px}.rematch-waiting-text{color:#64748b;margin-top:8px;font-size:.82rem;font-weight:600;animation:1.5s ease-in-out infinite pulse}