:root{--background:#fff;--foreground:#0f172a;--primary:#2563eb;--primary-foreground:#fff;--secondary:#f1f5f9;--muted:#64748b;--border:#e2e8f0;--radius:12px;--font-sans:"Inter",system-ui,-apple-system,sans-serif}@media (prefers-color-scheme:dark){:root{--background:#020617;--foreground:#f8fafc;--primary:#3b82f6;--secondary:#1e293b;--muted:#94a3b8;--border:#1e293b}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--foreground);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}.glass{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a}.gradient-text{background:linear-gradient(135deg,#6366f1 0%,#a855f7 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:.9rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:var(--primary-foreground)}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}.card{background:var(--secondary);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:0 10px 25px -5px #0000001a}