:root{--primary:#4f46e5;--secondary:#10b981;--accent:#f59e0b;--background:#fff;--text:#111827;--card:#f9fafb;--border:#e5e7eb}[data-theme=dark]{--primary:#6366f1;--secondary:#10b981;--accent:#f59e0b;--background:#1f2937;--text:#f9fafb;--card:#374151;--border:#4b5563}body{background:var(--background);color:var(--text);font-family:Inter,sans-serif;margin:0;padding:0}a{color:var(--primary);text-decoration:none}.card{background:var(--card);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 8px rgba(0,0,0,.03);padding:24px;margin-bottom:24px}button{background:var(--primary);color:#fff;border:none;border-radius:6px;padding:10px 24px;font-weight:700;cursor:pointer;transition:background .2s}button:disabled{background:#ccc;cursor:not-allowed}input,select,textarea{border:1px solid var(--border);border-radius:4px;padding:8px;margin-bottom:12px;font-size:1rem}.form-group{margin-bottom:18px}