/**
 * TSH48 第9期生招募 - 报名表单样式
 *
 * 复用主页 style.css 的品牌色变量和基础样式。
 */

/* ===== 表单容器 ===== */
.form-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1.5rem 3rem;
    flex: 1;
}

/* ===== 表单分区 ===== */
.form-section {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: #fff;
}

.form-section legend {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    padding: 0 0.75rem;
    letter-spacing: 1px;
}

/* ===== 表单网格 ===== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group-wide {
    grid-column: 1 / -1;
}

/* ===== 输入框 ===== */
.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.4rem;
}

.required {
    color: var(--color-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="url"],
.form-group textarea {
    padding: 0.65rem 0.8rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ===== 文件上传 ===== */
.form-group input[type="file"] {
    padding: 0.5rem;
    border: 1px dashed #ccc;
    border-radius: 6px;
    background: var(--color-light-gray);
}

/* ===== 提示与错误 ===== */
.form-hint {
    font-size: 0.82rem;
    color: var(--color-gray);
    margin-top: 0.3rem;
}

.field-error {
    display: block;
    font-size: 0.82rem;
    color: var(--color-primary);
    margin-top: 0.3rem;
    min-height: 1em;
}

/* ===== 复选框组 ===== */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ===== "其他"选项自定义输入字段（通用） ===== */
.has-other {
    align-items: center;
}

.other-field {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.other-field .field-error {
    flex-basis: 100%;
}

.other-input {
    max-width: 240px;
    padding: 0.5rem 0.7rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.other-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.12);
}

.other-counter {
    font-size: 0.8rem;
    color: var(--color-gray);
}

.other-counter.char-counter-max {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== 社交媒体行 ===== */
.social-media-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.social-label {
    font-weight: 600;
    font-size: 0.95rem;
}

.social-media-row input[type="url"] {
    padding: 0.5rem 0.7rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.9rem;
}

.social-media-row .field-error {
    grid-column: 1 / -1;
}

/* ===== 验证码区域 ===== */
.captcha-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.captcha-group input[type="text"] {
    width: 120px;
    padding: 0.6rem 0.8rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1.1rem;
    letter-spacing: 4px;
    text-align: center;
}

.captcha-img {
    height: 44px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid #ddd;
}

.captcha-refresh {
    font-size: 0.85rem;
    color: var(--color-gray);
    text-decoration: underline;
}

.captcha-refresh:hover {
    color: var(--color-primary);
}

/* ===== 表单操作区 ===== */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.submit-btn {
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 3px;
    padding: 0.8rem 3rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.submit-btn:hover,
.submit-btn:focus {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    outline: none;
}

.btn-cancel {
    display: inline-flex;
    align-items: center;
    color: var(--color-gray);
    font-size: 1rem;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    border: 1px solid #ccc;
}

.btn-cancel:hover {
    color: var(--color-dark);
    border-color: var(--color-dark);
}

/* ===== 提示框 ===== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.alert-error {
    background: #fee;
    border: 1px solid #fcc;
    color: var(--color-primary);
}

.alert-warning {
    background: #fff8e1;
    border: 1px solid #ffe082;
    color: #8d6e00;
}

/* ===== 成功页面 ===== */
.success-page {
    text-align: center;
    padding: 3rem 1.5rem;
}

.success-icon {
    font-size: 4rem;
    color: #4caf50;
    margin-bottom: 1rem;
}

.success-page h2 {
    font-size: 2rem;
    color: var(--color-dark);
    margin-bottom: 1.5rem;
}

.success-text {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.success-no {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
}

.success-hint {
    font-size: 0.95rem;
    color: var(--color-gray);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-back {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.7rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-back:hover {
    background: var(--color-primary-dark);
}

/* ===== 响应式适配 ===== */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .social-media-row {
        grid-template-columns: 1fr;
    }

    .social-media-row .social-label {
        margin-bottom: 0.3rem;
    }

    .captcha-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .captcha-group input[type="text"] {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .submit-btn,
    .btn-cancel {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}