/* ========================================
   怀孕计算器 - 专用样式
   ======================================== */

/* 注意：不要在此文件中定义 info-card 样式！
   所有 info-card 样式已在 tools-common.css 中统一定义 */

/* ========================================
   1. 计算方式选择
   ======================================== */
.calculation-method {
    margin-bottom: 30px;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

.method-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.method-tabs .tab-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 20px;
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    color: #495057;
    cursor: pointer;
    transition: all 0.3s ease;
}

.method-tabs .tab-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.method-tabs .tab-btn.active {
    background: #3498db;
    border-color: #3498db;
    color: white;
}

/* ========================================
   2. 基本信息表单
   ======================================== */
.basic-info {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

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

.form-label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-input {
    padding: 12px 15px;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-help {
    font-size: 0.85rem;
    color: #6c757d;
    margin-top: 5px;
}

.calculate-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-outline {
    background: white;
    border: 2px solid #dee2e6;
    color: #495057;
}

.btn-outline:hover {
    background: #f8f9fa;
    border-color: #adb5bd;
}

/* ========================================
   3. 计算结果
   ======================================== */
.result-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.result-section .section-title {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.result-content {
    margin-top: 20px;
}

.pregnancy-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.summary-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.summary-card:hover {
    transform: translateY(-5px);
}

.summary-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.summary-icon i {
    font-size: 1.5rem;
    color: white;
}

.summary-content {
    flex: 1;
}

.summary-content h4 {
    font-size: 0.9rem;
    color: #6c757d;
    margin: 0 0 8px 0;
    font-weight: 500;
}

.summary-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 5px;
}

.summary-detail {
    font-size: 0.85rem;
    color: #6c757d;
}

/* ========================================
   4. 孕期日历（动态生成区域）
   ======================================== */
.pregnancy-calendar {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ========================================
   5. 孕期里程碑
   ======================================== */
.pregnancy-milestones {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.milestone-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.milestone-tabs .tab-btn {
    flex: 1;
    min-width: 120px;
    padding: 10px 20px;
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #495057;
    cursor: pointer;
    transition: all 0.3s ease;
}

.milestone-tabs .tab-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.milestone-tabs .tab-btn.active {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-color: transparent;
    color: white;
}

.milestone-content {
    min-height: 200px;
}

/* ========================================
   6. 孕期建议
   ======================================== */
.pregnancy-advice {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.advice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.advice-card {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.advice-card:hover {
    transform: translateY(-5px);
}

.advice-card h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.advice-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advice-card ul li {
    padding: 8px 0;
    color: #495057;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    padding-left: 20px;
}

.advice-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #e74c3c;
    font-weight: bold;
    font-size: 1.2rem;
}

/* ========================================
   7. 健康提醒
   ======================================== */
.health-reminders {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.reminders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.reminder-card {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.reminder-card:hover {
    transform: translateY(-5px);
}

.reminder-icon {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.reminder-icon i {
    font-size: 1.8rem;
    color: #e74c3c;
}

.reminder-card h4 {
    font-size: 1.05rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
}

.reminder-card p {
    font-size: 0.9rem;
    color: #495057;
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   8. 响应式设计
   ======================================== */

/* 平板端 (768px - 1024px) */
@media (max-width: 1024px) {
    .pregnancy-summary {
        grid-template-columns: repeat(2, 1fr);
    }

    .advice-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机端 (< 768px) */
@media (max-width: 768px) {
    .method-tabs .tab-btn,
    .milestone-tabs .tab-btn {
        flex: 1 1 100%;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .pregnancy-summary {
        grid-template-columns: 1fr;
    }

    .advice-grid {
        grid-template-columns: 1fr;
    }

    .reminders-grid {
        grid-template-columns: 1fr;
    }

    .basic-info,
    .result-section,
    .pregnancy-milestones,
    .pregnancy-advice,
    .health-reminders {
        padding: 20px;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .summary-value {
        font-size: 1.1rem;
    }

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

    .calculate-actions .btn {
        width: 100%;
    }
}