:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #38bdf8;--accent-secondary: #818cf8;--accent-success: #4ade80;--accent-warning: #fbbf24;--accent-danger: #ef4444;--border-color: rgba(255, 255, 255, .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-primary: #0284c7;--accent-secondary: #6366f1;--accent-success: #16a34a;--accent-warning: #d97706;--accent-danger: #dc2626;--border-color: rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;transition:background-color .3s,color .3s;overflow:hidden}h1,h2,h3,h4,h5,h6{font-weight:600;letter-spacing:-.02em}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}.flex-center{display:flex;align-items:center;justify-content:center}.full-screen{width:100vw;height:100vh}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-fast);border:none;outline:none;gap:.5rem}.btn-primary{background:var(--accent-primary);color:#fff;box-shadow:0 0 15px var(--accent-glow)}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 0 25px var(--accent-glow)}.glass-panel{background:#1e293bb3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn var(--transition-normal) forwards}