/* ========== 表单验证提示样式（P0-008） ========== */
.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--t1);
    font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--card);
    color: var(--t1);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--pri);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

/* 错误状态 */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: #ef4444;
}

.form-group.has-error input:focus,
.form-group.has-error select:focus,
.form-group.has-error textarea:focus {
    box-shadow: 0 0 0 3px rgba(239,68,68,0.15);
}

/* 成功状态 */
.form-group.has-success input,
.form-group.has-success select,
.form-group.has-success textarea {
    border-color: #22c55e;
}

/* 错误提示文本 */
.form-error {
    display: none;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    font-size: 12px;
    color: #ef4444;
}

.form-group.has-error .form-error {
    display: flex;
}

.form-error::before {
    content: "!";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ef4444;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    flex-shrink: 0;
}

/* 成功提示 */
.form-success {
    display: none;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    font-size: 12px;
    color: #22c55e;
}

.form-group.has-success .form-success {
    display: flex;
}

.form-success::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #22c55e;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    flex-shrink: 0;
}