body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:#0f172a;color:#f8fafc}.container{max-width:1200px;margin:0 auto;padding:2rem}.btn{padding:.5rem 1rem;background:#3b82f6;color:#fff;border:none;border-radius:4px;cursor:pointer;font-weight:600}.btn:hover{background:#2563eb}.btn:disabled{background:#475569;cursor:not-allowed}input,select,textarea{padding:.75rem;border-radius:4px;border:1px solid #334155;background:#1e293b;color:#fff;width:100%;margin-bottom:1rem;box-sizing:border-box}.card{background:#1e293b;padding:1.5rem;border-radius:8px;margin-bottom:1.5rem;border:1px solid #334155}header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#1e293b;border-bottom:1px solid #334155}a{color:#3b82f6;text-decoration:none}