* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.card-app {
    min-height: 100vh;
    background: #f5f7fa;
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px 15px 30px;
    color: white;
}

.card-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.card-header-left {
    flex: 1;
}

.card-site-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.card-site-slogan {
    font-size: 14px;
    opacity: 0.9;
}

.card-header-right {
    text-align: right;
}

.card-stats {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 10px 15px;
}

.card-stat-value {
    font-size: 20px;
    font-weight: 700;
    display: block;
}

.card-stat-label {
    font-size: 12px;
    opacity: 0.9;
}

.card-search-wrap {
    max-width: 1200px;
    margin: 0 auto;
}

.card-search-box {
    background: white;
    border-radius: 25px;
    padding: 5px 15px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.card-search-icon {
    font-size: 16px;
    margin-right: 10px;
}

.card-search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 10px 0;
    font-size: 14px;
    background: transparent;
}

.card-search-input::placeholder {
    color: #999;
}

.card-carrier-section {
    background: white;
    padding: 15px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.card-carrier-tabs {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 5px;
    -webkit-overflow-scrolling: touch;
}

.card-carrier-tabs::-webkit-scrollbar {
    display: none;
}

.card-carrier-tab {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #f5f7fa;
    border-radius: 20px;
    text-decoration: none;
    color: #666;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.card-carrier-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.card-carrier-tab.active .card-carrier-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.card-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    grid-auto-rows: 1fr;
}

.card-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card-card.card-offline {
    opacity: 0.7;
}

.card-card-header {
    padding: 12px 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.card-card-badge {
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.card-card-offline-tag {
    background: #fee2e2;
    color: #dc2626;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 12px;
}

.card-card-body {
    display: flex;
    padding: 12px 15px;
    gap: 12px;
    flex: 1;
    align-items: stretch;
}

.card-card-image {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    overflow: hidden;
    background: #f5f7fa;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-card-placeholder {
    font-size: 40px;
}

.card-card-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-card-title {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.4;
    min-height: 21px;
}

.card-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 24px;
}

.card-card-spec {
    background: #f5f7fa;
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 12px;
    white-space: nowrap;
}

.card-card-spec-value {
    color: #667eea;
    font-weight: 600;
}

.card-card-spec-label {
    color: #666;
}

.card-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 20px;
}

.card-card-tag {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    white-space: nowrap;
}

.card-card-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: #999;
}

.card-card-footer {
    padding: 12px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f0f0f0;
    flex-shrink: 0;
    min-height: 54px;
}

.card-card-price {
    display: flex;
    align-items: baseline;
}

.card-card-price-value {
    font-size: 24px;
    font-weight: 700;
    color: #dc2626;
}

.card-card-price-unit {
    font-size: 14px;
    color: #666;
}

.card-card-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.card-empty {
    text-align: center;
    padding: 60px 20px;
}

.card-empty-icon {
    font-size: 64px;
    margin-bottom: 15px;
}

.card-empty-text {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.card-empty-hint {
    font-size: 14px;
    color: #999;
}

.card-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 25px;
    padding: 15px;
}

.card-page-btn {
    padding: 10px 20px;
    background: white;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.card-page-btn:hover {
    background: #667eea;
    color: white;
}

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

.card-page-btn.disabled:hover {
    background: white;
    color: #333;
}

.card-page-info {
    font-size: 14px;
    color: #666;
}

.card-footer {
    text-align: center;
    padding: 30px 15px;
    color: #999;
    font-size: 13px;
}

@media (max-width: 768px) {
    .card-header {
        padding: 15px 12px 20px;
    }

    .card-header-inner {
        flex-direction: column;
        gap: 10px;
    }

    .card-header-right {
        text-align: left;
    }

    .card-site-name {
        font-size: 20px;
    }

    .card-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .card-card-body {
        padding: 10px 12px;
    }

    .card-card-image {
        width: 80px;
        height: 80px;
    }

    .card-card-title {
        font-size: 14px;
    }

    .card-card-price-value {
        font-size: 20px;
    }

    .card-card-btn {
        padding: 6px 16px;
        font-size: 13px;
    }
}

.card-filter-section {
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
}

.card-filter-header {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-filter-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-filter-actions {
    display: flex;
    gap: 10px;
}

.card-filter-toggle {
    background: white;
    border: 1px solid #ddd;
    padding: 8px 18px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    color: #666;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-filter-toggle:hover {
    border-color: #667eea;
    color: #667eea;
    background: #f0f4ff;
}

.filter-toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 10px;
}

.card-filter-reset {
    background: transparent;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    color: #999;
    text-decoration: none;
}

.card-filter-reset:hover {
    color: #e60012;
    background: #fee2e2;
}

@media (max-width: 768px) {
    .card-filter-content {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

.card-filter-group {
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.card-filter-group-label {
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.card-filter-chip {
    padding: 6px 14px;
    background: #f5f7fa;
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    font-size: 13px;
    color: #666;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.card-filter-chip:hover {
    border-color: #667eea;
    color: #667eea;
    background: #f0f4ff;
}

.card-filter-chip.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    color: white;
}

.card-filter-range {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.card-filter-range input {
    flex: 1;
    min-width: 60px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 13px;
}

.card-filter-range input:focus {
    outline: none;
    border-color: #667eea;
}

.card-filter-range-sep {
    color: #999;
    font-size: 13px;
}

.card-filter-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 13px;
    background: white;
    cursor: pointer;
}

.card-filter-select:focus {
    outline: none;
    border-color: #667eea;
}

.card-filter-btn {
    width: 100%;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.card-filter-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.card-filter-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    background: #667eea;
    color: white;
    font-size: 11px;
    padding: 0 6px;
    border-radius: 9px;
}

#filterPanel {
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    max-height: 800px;
    opacity: 1;
    padding-bottom: 20px;
}

.card-filter-hidden {
    max-height: 0 !important;
    opacity: 0 !important;
    padding-bottom: 0 !important;
    pointer-events: none;
}

.card-filter-hidden .card-filter-content {
    opacity: 0;
}

.card-filter-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    transition: opacity 0.2s ease 0.1s;
    opacity: 1;
}