/* ============================================
   會員等級系統樣式
   ============================================ */

/* 會員等級卡片 */
.member-level-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.member-level-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.member-level-header {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    margin-bottom: var(--spacing);
    padding-bottom: var(--spacing);
    border-bottom: 1px solid var(--border-color);
}

.member-level-badge {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: white;
    flex-shrink: 0;
}

.member-level-badge.basic {
    background: linear-gradient(135deg, var(--gray), var(--gray-dark));
}

.member-level-badge.premium {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.member-level-badge.vip {
    background: linear-gradient(135deg, #9c27b0, #673ab7);
}

.member-level-badge.ultimate {
    background: linear-gradient(135deg, #ff9800, #ff5722);
}

.member-level-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--dark-color);
    font-size: var(--font-size-lg);
}

.member-level-info p {
    margin: 0;
    color: var(--gray);
    font-size: var(--font-size-sm);
}

.member-level-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing);
}

.member-level-current {
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
}

.member-level-next {
    color: var(--gray);
    font-size: var(--font-size-sm);
}

/* 升級進度條 */
.member-level-progress {
    margin-bottom: var(--spacing);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.progress-current {
    color: var(--dark-color);
    font-weight: var(--font-weight-medium);
}

.progress-target {
    color: var(--gray);
}

.progress-container {
    height: 8px;
    background: var(--light-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-bar.basic {
    background: var(--gray);
}

.progress-bar.premium {
    background: var(--primary-color);
}

.progress-bar.vip {
    background: linear-gradient(to right, #9c27b0, #673ab7);
}

.progress-bar.ultimate {
    background: linear-gradient(to right, #ff9800, #ff5722);
}

/* 會員特權列表 */
.member-privileges {
    margin-bottom: var(--spacing);
}

.member-privileges h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--dark-color);
    font-size: var(--font-size-md);
}

.privilege-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.privilege-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: background 0.2s ease;
}

.privilege-item:hover {
    background: var(--light-color);
}

.privilege-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: var(--font-size-xs);
}

.privilege-icon.available {
    background: var(--success-light);
    color: var(--success-color);
}

.privilege-icon.unavailable {
    background: var(--light-color);
    color: var(--gray);
}

.privilege-icon.upgrade {
    background: var(--warning-light);
    color: var(--warning-dark);
}

.privilege-text {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--dark-color);
}

.privilege-text .highlight {
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.privilege-text .upgrade-text {
    color: var(--warning-dark);
    font-style: italic;
}

/* 等級比較表格 */
.level-comparison {
    margin-top: var(--spacing);
}

.level-comparison h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--dark-color);
    font-size: var(--font-size-md);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-sm);
    text-align: center;
    border: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--light-color);
    color: var(--dark-color);
    font-weight: var(--font-weight-medium);
}

.comparison-table th.level-basic {
    background: var(--gray-light);
}

.comparison-table th.level-premium {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.comparison-table th.level-vip {
    background: #f3e5f5;
    color: #7b1fa2;
}

.comparison-table th.level-ultimate {
    background: #fff3e0;
    color: #e65100;
}

.comparison-table td.feature-name {
    text-align: left;
    background: var(--light-color);
    font-weight: var(--font-weight-medium);
}

.comparison-table .feature-value {
    font-weight: var(--font-weight-medium);
}

.comparison-table .feature-value.available {
    color: var(--success-color);
}

.comparison-table .feature-value.unavailable {
    color: var(--gray);
}

.comparison-table .feature-value.limited {
    color: var(--warning-dark);
}

/* 升級按鈕 */
.member-level-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing);
}

.btn-upgrade {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: var(--font-weight-medium);
    transition: all 0.2s ease;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-upgrade:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-upgrade:active {
    transform: translateY(0);
}

.btn-upgrade.vip {
    background: linear-gradient(135deg, #9c27b0, #673ab7);
    border-color: #9c27b0;
}

.btn-upgrade.vip:hover {
    background: linear-gradient(135deg, #7b1fa2, #512da8);
    border-color: #7b1fa2;
}

.btn-upgrade.ultimate {
    background: linear-gradient(135deg, #ff9800, #ff5722);
    border-color: #ff9800;
}

.btn-upgrade.ultimate:hover {
    background: linear-gradient(135deg, #f57c00, #e64a19);
    border-color: #f57c00;
}

.btn-details {
    padding: var(--spacing-sm);
    background: var(--light-color);
    border: 1px solid var(--border-color);
    color: var(--dark-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: var(--font-weight-medium);
    transition: all 0.2s ease;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-details:hover {
    background: var(--gray-light);
}

/* 等級徽章顯示 */
.level-badge-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--light-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.level-badge-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    color: white;
}

.level-badge-text {
    flex: 1;
}

.level-badge-text .level-name {
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
    font-size: var(--font-size-sm);
}

.level-badge-text .level-description {
    font-size: var(--font-size-xs);
    color: var(--gray);
}

/* 等級激勵系統 */
.level-incentives {
    margin-top: var(--spacing);
    padding: var(--spacing);
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    border-radius: var(--border-radius);
    border: 1px solid var(--primary-color);
}

.level-incentives h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--primary-dark);
    font-size: var(--font-size-md);
}

.incentive-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.incentive-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
    font-size: var(--font-size-sm);
}

.incentive-item i {
    color: var(--success-color);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .member-level-header {
        flex-direction: column;
        text-align: center;
    }
    
    .member-level-badge {
        width: 80px;
        height: 80px;
        font-size: var(--font-size-xxl);
    }
    
    .comparison-table {
        font-size: var(--font-size-xs);
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-xs);
    }
    
    .member-level-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .member-level-card {
        padding: var(--spacing-sm);
    }
    
    .level-badge-display {
        flex-direction: column;
        text-align: center;
    }
    
    .comparison-table {
        display: block;
        overflow-x: auto;
    }
}