/* ============================================
   家长端样式
   ============================================ */

.parent-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px;
    min-height: 100vh;
}

.parent-header {
    text-align: center;
    padding: 24px 0 20px;
}

.parent-header h1 {
    font-size: 22px;
    color: var(--dark);
}

.parent-header .class-name {
    color: var(--gray-text);
    font-size: 14px;
    margin-top: 4px;
}

.parent-header .period-label {
    color: var(--gray-text);
    font-size: 14px;
    margin-top: 4px;
}

/* ============================================
   绑定页
   ============================================ */

.bind-card {
    text-align: center;
}

.bind-card h2 {
    font-size: 18px;
    margin-bottom: 4px;
}

.bind-card .hint {
    color: var(--gray-text);
    font-size: 14px;
    margin-bottom: 20px;
}

.code-input-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.code-input {
    width: 52px;
    height: 60px;
    border: 2px solid var(--gray-border);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--dark);
    transition: border-color 0.2s;
}

.code-input:focus {
    border-color: var(--primary);
}

.bind-card .form-group {
    text-align: left;
    margin-bottom: 20px;
}

.bind-card .tip {
    color: var(--gray-text);
    font-size: 12px;
    margin-top: 16px;
}

/* ============================================
   学生信息卡
   ============================================ */

.student-info-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
}

.student-icon {
    font-size: 28px;
}

.student-name {
    font-size: 18px;
    font-weight: 600;
}

.student-info-small {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--gray-text);
}

.link-sm {
    font-size: 13px;
}

/* ============================================
   倒计时
   ============================================ */

.countdown-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    font-size: 14px;
}

.countdown-text {
    font-weight: 600;
    color: var(--warning);
}

/* ============================================
   选项卡片
   ============================================ */

.options-group {
    margin-bottom: 16px;
}

.option-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: #fff;
    border: 2px solid var(--gray-border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.option-card:active {
    transform: scale(0.98);
}

.option-card.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.option-card.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.option-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.option-text {
    flex: 1;
}

.option-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 2px;
}

.option-desc {
    font-size: 13px;
    color: var(--gray-text);
}

.check-icon {
    color: var(--primary);
    font-size: 22px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ============================================
   已提交信息
   ============================================ */

.closed-banner {
    background: var(--danger-bg);
    color: var(--danger);
    text-align: center;
    font-size: 14px;
    padding: 12px 20px;
    font-weight: 500;
}

.submitted-info {
    background: var(--success-bg);
    padding: 14px 20px;
}

.submitted-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--success);
    margin-bottom: 4px;
}

.submitted-time {
    font-size: 12px;
    color: var(--gray-text);
}

/* ============================================
   统计区
   ============================================ */

.stats-bar {
    margin-top: 20px;
    padding: 16px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stats-bar > span:first-child {
    font-size: 14px;
    color: var(--gray-text);
    display: block;
    margin-bottom: 8px;
}

.stats-section {
    margin-top: 24px;
    text-align: center;
    padding: 20px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stats-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
}

.stats-numbers {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 12px;
}

.big-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
}

.stats-divider {
    font-size: 24px;
    color: var(--gray-text);
}

.total-number {
    font-size: 24px;
    color: var(--gray-text);
}

.stats-percent {
    font-size: 14px;
    color: var(--gray-text);
    margin-top: 8px;
}

.stats-hint {
    font-size: 12px;
    color: var(--gray-text);
    margin-top: 8px;
}

/* ============================================
   结果页
   ============================================ */

.result-card {
    text-align: center;
    padding: 32px 20px;
}

.result-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.result-card h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--success);
}

.result-detail {
    text-align: left;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-border);
}

.result-row:last-child {
    border-bottom: none;
}

.result-label {
    color: var(--gray-text);
    font-size: 14px;
}

.result-value {
    font-weight: 500;
}

.result-value.highlight {
    color: var(--primary);
    font-weight: 600;
}

.info-card {
    text-align: center;
    padding: 32px 20px;
}

.info-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.info-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.error-card {
    text-align: center;
    padding: 32px 20px;
}

.error-card p {
    margin-bottom: 16px;
    color: var(--danger);
}

/* 提交按钮 */
.btn-submit {
    margin-bottom: 16px;
    padding: 14px;
    font-size: 17px;
}