@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{--bg-deep:#0a0a14;--bg-main:#0f0f1a;--bg-card:#15152a;--bg-elevated:#1c1c35;--bg-glass:#ffffff0a;--accent-x:#e040fb;--accent-x-dim:#e040fb26;--accent-o:#00e5ff;--accent-o-dim:#00e5ff26;--accent-gold:#ffd54f;--accent-win:#69ff47;--text-primary:#f0f0ff;--text-secondary:#88b;--text-muted:#4a4a7a;--border:#ffffff14;--border-bright:#ffffff2e;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--shadow-glow-x:0 0 24px #e040fb59;--shadow-glow-o:0 0 24px #00e5ff59;--shadow-card:0 8px 32px #00000080;--shadow-deep:0 24px 64px #000000b3;--font-main:"Inter", system-ui, sans-serif;--font-display:"Space Grotesk", system-ui, sans-serif;--color-x:#e040fb;--color-o:#00e5ff;--transition:.2s cubic-bezier(.4,0,.2,1);--transition-slow:.4s cubic-bezier(.4,0,.2,1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-main);background:var(--bg-deep);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100dvh;overflow-x:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-bright)}#root{flex-direction:column;min-height:100dvh;display:flex}.app-bg{z-index:-1;background:radial-gradient(ellipse 80% 60% at 20% 10%, #e040fb14 0%, transparent 60%), radial-gradient(ellipse 60% 50% at 80% 80%, #00e5ff12 0%, transparent 60%), var(--bg-deep);position:fixed;inset:0}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px}.glass{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px)saturate(150%);border:1px solid var(--border);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;position:relative;overflow:hidden}.btn:after{content:"";transition:var(--transition);background:#fff0;position:absolute;inset:0}.btn:hover:after{background:#ffffff0f}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-primary{color:#fff;background:linear-gradient(135deg,#7c3aed,#e040fb);box-shadow:0 4px 20px #e040fb4d}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 28px #e040fb80}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-bright)}.btn-secondary:hover:not(:disabled){border-color:var(--accent-x);color:var(--accent-x)}.btn-danger{color:#f87171;background:#ef444426;border:1px solid #ef44444d}.btn-danger:hover:not(:disabled){background:#ef444440}.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%}.display{font-family:var(--font-display);font-weight:700}h1,h2,h3,h4{font-family:var(--font-display)}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.text-md{font-size:1rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-3xl{font-size:2rem}.text-muted{color:var(--text-secondary)}.text-x{color:var(--accent-x)}.text-o{color:var(--accent-o)}.text-gold{color:var(--accent-gold)}.navbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0a0a14cc;justify-content:space-between;align-items:center;padding:16px 24px;display:flex;position:sticky;top:0}.navbar-logo{font-family:var(--font-display);background:linear-gradient(135deg, var(--accent-x), var(--accent-o));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.3rem;font-weight:800}.navbar-tabs{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border);gap:4px;padding:4px;display:flex}.navbar-tab{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);color:var(--text-secondary);font-size:.875rem;font-weight:500;font-family:var(--font-main);background:0 0;border:none;padding:8px 18px}.navbar-tab.active{background:var(--bg-elevated);color:var(--text-primary)}.navbar-tab:hover:not(.active){color:var(--text-primary)}.lobby{flex-direction:column;gap:24px;max-width:540px;margin:0 auto;padding:40px 24px;display:flex}.lobby-hero{text-align:center;padding:32px 0 8px}.lobby-hero h1{background:linear-gradient(135deg, var(--accent-x) 0%, var(--accent-o) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:12px;font-size:clamp(2rem,6vw,3rem);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:12px;display:grid}.mode-card{border-radius:var(--radius-md);border:2px solid var(--border);cursor:pointer;transition:var(--transition);background:var(--bg-card);text-align:left;padding:20px}.mode-card:hover{border-color:var(--border-bright);transform:translateY(-2px)}.mode-card.selected-classic{border-color:var(--accent-o);box-shadow:var(--shadow-glow-o)}.mode-card.selected-sudden-death{border-color:var(--accent-x);box-shadow:var(--shadow-glow-x)}.mode-card-icon{margin-bottom:10px;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:.78rem;line-height:1.5}.name-input{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);font-size:1rem;font-family:var(--font-main);transition:var(--transition);outline:none;padding:14px 16px}.name-input:focus{border-color:var(--accent-x);box-shadow:0 0 0 3px var(--accent-x-dim)}.name-input::placeholder{color:var(--text-muted)}.name-input:disabled{opacity:.5;cursor:not-allowed}.searching{text-align:center;flex-direction:column;align-items:center;gap:20px;padding:40px;display:flex}.search-spinner{border:4px solid var(--border);border-top-color:var(--accent-x);border-radius:50%;width:64px;height:64px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.search-timer{color:var(--text-secondary);font-size:2rem;font-weight:800}.game-layout{flex-direction:column;gap:20px;max-width:520px;margin:0 auto;padding:24px;display:flex}.player-banners{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;display:grid}.player-banner{border-radius:var(--radius-md);border:2px solid var(--border);transition:var(--transition);background:var(--bg-card);padding:14px 16px}.player-banner.x{border-color:var(--accent-x-dim)}.player-banner.o{text-align:right;border-color:var(--accent-o-dim)}.player-banner.active-x{border-color:var(--accent-x);box-shadow:var(--shadow-glow-x)}.player-banner.active-o{border-color:var(--accent-o);box-shadow:var(--shadow-glow-o)}.player-banner .role-badge{letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px;font-size:.7rem;font-weight:700}.player-banner .player-name{white-space:nowrap;text-overflow:ellipsis;max-width:120px;font-size:.95rem;font-weight:700;overflow:hidden}.player-banner .player-pts{color:var(--text-secondary);font-size:.78rem}.vs-badge{color:var(--text-muted);font-size:1.1rem;font-weight:900;font-family:var(--font-display)}.timer-wrap{justify-content:center;display:flex}.timer-ring-container{width:70px;height:70px;position:relative}.timer-ring-container svg{position:absolute;inset:0;transform:rotate(-90deg)}.timer-ring-bg{stroke:var(--bg-elevated)}.timer-ring-fg{stroke-linecap:round;transition:stroke-dashoffset 1s linear,stroke .5s}.timer-value{font-size:1.4rem;font-weight:800;font-family:var(--font-display);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.board-wrapper{justify-content:center;display:flex}.board{aspect-ratio:1;grid-template-columns:repeat(3,1fr);gap:10px;width:min(360px,100%);display:grid}.cell{border-radius:var(--radius-md);border:2px solid var(--border);background:var(--bg-card);font-family:var(--font-display);cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none;aspect-ratio:1;justify-content:center;align-items:center;font-size:clamp(1.8rem,8vw,2.5rem);font-weight:900;display:flex;position:relative}.cell:hover:not(.disabled){border-color:var(--border-bright);background:var(--bg-elevated)}.cell.x{color:var(--accent-x);border-color:var(--accent-x-dim)}.cell.o{color:var(--accent-o);border-color:var(--accent-o-dim)}.cell.selected{border-color:var(--accent-gold);background:#ffd54f14;box-shadow:0 0 16px #ffd54f66}.cell.placeable{cursor:pointer;border-color:#ffffff4d}.cell.placeable:hover{border-color:var(--accent-x);background:var(--accent-x-dim)}.cell.winning{animation:.6s ease-in-out infinite alternate winning-pulse}@keyframes winning-pulse{0%{box-shadow:0 0 #69ff4700}to{border-color:var(--accent-win);box-shadow:0 0 20px #69ff4780}}.cell.disabled{cursor:default;opacity:.9}@keyframes cell-pop{0%{opacity:0;transform:scale(.5)}70%{transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.cell-symbol-enter{animation:.25s cubic-bezier(.34,1.56,.64,1) forwards cell-pop}.phase-badge{background:var(--bg-elevated);border:1px solid var(--border);border-radius:100px;align-items:center;gap:6px;margin:0 auto;padding:6px 14px;font-size:.8rem;font-weight:600;display:inline-flex}.instruction-bar{text-align:center;color:var(--text-secondary);min-height:24px;transition:var(--transition);font-size:.85rem}.pieces-left{align-items:center;gap:5px;display:flex}.piece-dot{width:8px;height:8px;transition:var(--transition);border-radius:50%}.piece-dot.placed{opacity:.25}.end-screen{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:200;background:#000000bf;justify-content:center;align-items:center;padding:24px;animation:.3s fade-in;display:flex;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.end-card{background:var(--bg-card);border:1px solid var(--border-bright);border-radius:var(--radius-xl);text-align:center;width:100%;max-width:360px;box-shadow:var(--shadow-deep);padding:40px 32px;animation:.35s cubic-bezier(.34,1.56,.64,1) slide-up}@keyframes slide-up{0%{opacity:0;transform:translateY(40px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.end-emoji{margin-bottom:16px;font-size:4rem;display:block}.end-title{margin-bottom:8px;font-size:1.8rem;font-weight:900}.end-subtitle{color:var(--text-secondary);margin-bottom:28px;font-size:.9rem}.end-actions{flex-direction:column;gap:10px;display:flex}.rematch-waiting{color:var(--text-secondary);margin-top:8px;font-size:.8rem;animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.leaderboard-page{max-width:640px;margin:0 auto;padding:32px 24px}.leaderboard-table{border-collapse:collapse;width:100%;margin-top:20px}.leaderboard-table th{text-align:left;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-bottom:1px solid var(--border);padding:10px 16px;font-size:.78rem;font-weight:600}.leaderboard-table td{border-bottom:1px solid var(--border);transition:var(--transition);padding:14px 16px;font-size:.9rem}.leaderboard-table tr:hover td{background:var(--bg-glass)}.leaderboard-table .rank-cell{width:48px;color:var(--text-muted);font-weight:700}.leaderboard-table .rank-1{color:var(--accent-gold)}.leaderboard-table .rank-2{color:#bdbdbd}.leaderboard-table .rank-3{color:#cd7f32}.leaderboard-table .pts-cell{color:var(--accent-x);text-align:right;font-weight:700}.lb-row td{transition:background var(--transition)}.lb-row.rank-1 td{background:#ffd54f0d}.lb-row.rank-2 td{background:#bdbdbd0a}.lb-row.rank-3 td{background:#cd7f320a}.lb-row.lb-mine td{border-left:2px solid var(--color-x);background:#8b5cf614}.lb-row.lb-mine:hover td{background:#8b5cf624}.toast{background:var(--bg-elevated);border:1px solid var(--border-bright);border-radius:var(--radius-md);z-index:300;white-space:nowrap;padding:12px 20px;font-size:.9rem;animation:.3s toast-in;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(12px)}}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-4{margin-bottom:4px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.w-full{width:100%}.text-center{text-align:center}@media (width<=480px){.mode-cards{grid-template-columns:1fr}.cell{font-size:1.6rem}}.fade-in{animation:.3s fade-in}.slide-up{animation:.35s cubic-bezier(.34,1.56,.64,1) slide-up}.skeleton{background:linear-gradient(90deg, var(--bg-card) 25%, var(--bg-elevated) 50%, var(--bg-card) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}