:root{--bg-color: #0f172a;--card-bg: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #3b82f6;--accent-hover: #2563eb;--accent-secondary: #ec4899;--success: #22c55e;--warning: #eab308;--danger: #ef4444;--border-radius: 12px;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--font-main: "Segoe UI", system-ui, sans-serif}body{margin:0;background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-main);-webkit-font-smoothing:antialiased;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-secondary)}h1,h2,h3{margin-top:0;font-weight:700;letter-spacing:-.025em}h1{font-size:2.5rem;background:linear-gradient(to right,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:1.5rem}h2{font-size:1.8rem;margin-bottom:1rem}h3{font-size:1.25rem;color:var(--text-secondary)}.container{max-width:1200px;margin:0 auto;padding:2rem;width:100%;box-sizing:border-box}.card{background-color:var(--card-bg);border-radius:var(--border-radius);padding:1.5rem;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.05);transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;border:none;transition:all .2s;font-size:1rem}.btn-primary{background-color:var(--accent-primary);color:#fff;box-shadow:0 0 15px #3b82f680}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover);box-shadow:0 0 20px #3b82f6b3;transform:scale(1.05)}.btn-secondary{background-color:#ffffff1a;color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background-color:#fff3}.btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1)}input,textarea,select{background-color:#0003;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:.75rem;color:#fff;font-size:1rem;width:100%;box-sizing:border-box;transition:border-color .2s}input:focus,textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #3b82f633}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.bingo-cell{animation:popIn .3s cubic-bezier(.175,.885,.32,1.275)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:#334155;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#475569}.admin-layout{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.game-layout{display:grid;grid-template-columns:1fr 350px;gap:2rem}@media (max-width: 900px){.admin-layout,.game-layout{grid-template-columns:1fr}.game-layout>div:nth-child(2){order:2}}@media (max-width: 600px){.container{padding:1rem}h1{font-size:2rem}.card{padding:1rem}.btn{width:100%}}