/* 폼 공통 스타일 */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; color: var(--text); }
.form-group .optional { font-weight: 400; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border: 1.5px solid var(--border);
    border-radius: var(--radius); font-size: 15px; font-family: inherit;
    background: var(--bg-white); transition: border-color var(--transition); box-sizing: border-box;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27,77,142,0.08);
}
.form-group input::placeholder { color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-full { width: 100%; justify-content: center; }

/* 알림 메시지 */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 14px; margin-bottom: 20px; }
.alert-error { background: rgba(231,76,60,0.08); color: var(--error); border: 1px solid rgba(231,76,60,0.15); }
.alert-success { background: rgba(39,174,96,0.08); color: var(--success); border: 1px solid rgba(39,174,96,0.15); }

@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }