@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.search-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
}

.search-header {
    margin-bottom: 24px;
    text-align: center;
}

.search-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.search-box {
    display: flex;
    gap: 8px;
    max-width: 640px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 4px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.search-box:focus-within {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

#search-input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    background: transparent;
    color: var(--text-primary);
}

#search-input::placeholder {
    color: var(--text-tertiary);
}

#search-btn {
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

#search-btn:hover {
    background: var(--primary-hover);
}

.loading {
    text-align: center;
    padding: 48px 20px;
}

.spinner {
    border: 3px solid var(--bg-tertiary);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    background: #fef2f2;
    color: #dc2626;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid #fecaca;
    font-weight: 500;
    font-size: 13px;
}

.search-summary {
    margin-bottom: 16px;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}

.filter-reset-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.filter-reset-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.integrated-filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    position: relative;
}

.filter-bar-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    gap: 16px;
    flex-wrap: wrap;
    flex: 1;
}

.filter-quick-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.filter-quick-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.2s ease;
    position: relative;
}

.filter-quick-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-quick-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.filter-quick-icon {
    font-size: 16px;
}

.filter-quick-text {
    white-space: nowrap;
}

.filter-quick-count {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 4px;
}

.filter-quick-arrow {
    font-size: 10px;
    margin-left: 2px;
    transition: transform 0.2s ease;
}

.filter-quick-btn.active .filter-quick-arrow {
    transform: rotate(180deg);
}

.filter-sort-group {
    display: flex;
    align-items: center;
}

.filter-sort-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
}

.filter-sort-select:hover {
    border-color: var(--primary-color);
}

.filter-sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-dropdown-panel {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    padding: 16px;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

.filter-dropdown-content {
    max-width: 100%;
}

.filter-platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
}

.filter-platform-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-primary);
}

.filter-platform-item:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.filter-platform-item input[type="radio"]:checked + .filter-platform-label {
    color: var(--primary-color);
    font-weight: 600;
}

.filter-platform-item input[type="radio"]:checked ~ .filter-platform-label,
.filter-platform-item:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.filter-platform-radio {
    margin-right: 8px;
    cursor: pointer;
}

.filter-platform-label {
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    flex: 1;
}

.filter-search-box {
    margin-bottom: 12px;
}

.filter-search-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
}

.filter-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.filter-brand-tag {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-primary);
    font-size: 13px;
    color: var(--text-primary);
}

.filter-brand-tag:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.filter-brand-tag.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.filter-brand-tag input[type="checkbox"] {
    margin-right: 6px;
    cursor: pointer;
}

.filter-price-quick {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.filter-price-quick-btn {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-price-quick-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-price-quick-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.filter-price-range {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-price-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.filter-price-input-group label {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 60px;
}

.filter-price-unit {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-discount-quick {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.filter-discount-quick-btn {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-discount-quick-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-discount-quick-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

.filter-grades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 8px;
}

.filter-grade-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-grade-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.filter-grade-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.filter-grade-icon {
    font-size: 24px;
}

.filter-grade-text {
    font-size: 13px;
}

.advanced-filter-panel {
    margin-bottom: 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.advanced-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.advanced-filter-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.advanced-filter-close {
    padding: 4px 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: color 0.2s ease;
}

.advanced-filter-close:hover {
    color: var(--text-primary);
}

.advanced-filter-content {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.search-summary strong {
    color: var(--text-primary);
    font-weight: 600;
}

.results-container {
    display: block;
    width: 100%;
    margin-bottom: 32px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 32px;
}

.pagination button {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.pagination button:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.filter-panel-wrapper {
    margin-bottom: 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.filter-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.filter-panel-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-count-badge {
    background: var(--primary-color);
    color: white;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 600;
}

.filter-panel-actions {
    display: flex;
    gap: 8px;
}

.filter-toggle-btn,
.filter-reset-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.filter-toggle-btn:hover,
.filter-reset-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-panel {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.filter-panel.collapsed {
    display: none;
}

.filter-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-section-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.filter-input {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
}

.filter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: -4px;
}

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

.filter-price-input {
    flex: 1;
}

.filter-price-separator {
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-checkbox-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.filter-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    padding: 4px 0;
}

.filter-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.filter-loading {
    font-size: 13px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 12px;
}

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

.filter-discount-unit {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-popularity {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-popularity-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-popularity-item label {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 80px;
}

.filter-number-input {
    flex: 1;
    max-width: 120px;
}

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

.filter-save-btn {
    padding: 10px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.filter-save-btn:hover {
    background: var(--primary-hover);
}

.filter-select {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.filter-chip:hover {
    background: var(--primary-color-dark, #2563eb);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.filter-chip-icon {
    font-size: 14px;
}

.filter-chip-label {
    font-weight: 500;
}

.filter-chip-remove {
    cursor: pointer;
    color: rgba(255, 255, 255, 0.9);
    font-weight: bold;
    font-size: 16px;
    line-height: 1;
    margin-left: 4px;
    padding: 0 2px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.filter-chip-remove:hover {
    color: white;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* 플랫폼 섹션 스타일 */
.platform-section {
    margin-bottom: 48px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
    width: 100%;
}

.platform-section:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.platform-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 20px 24px;
    border-bottom: 2px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.platform-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.platform-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin: 0;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.stat-label {
    color: #666;
    font-size: 14px;
    font-weight: 500;
}

.stat-value {
    color: #333;
    font-weight: 700;
    font-size: 16px;
}

.platform-features {
    margin: 0;
    font-size: 13px;
    color: #888;
    font-style: italic;
}

.platform-products-grid {
    padding: 24px;
    display: grid;
    gap: 20px;
    width: 100%;
    box-sizing: border-box;
    /* grid-template-columns는 PC/모바일 CSS에서 정의 */
}

/* 통계 카드 스타일 */
.statistics-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.stat-main {
    margin-bottom: 16px;
}

.stat-header {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.stat-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-label {
    color: #666;
    font-size: 14px;
    font-weight: 500;
}

.stat-value {
    color: #333;
    font-weight: 700;
    font-size: 16px;
}

.stat-platform {
    color: #2563eb;
    font-size: 13px;
    font-weight: 500;
}

.stat-rankings {
    border-top: 1px solid #e0e0e0;
    padding-top: 16px;
    margin-top: 16px;
}

.stat-rankings-header {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.stat-rankings-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-ranking-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8f9fa;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.stat-ranking-item:hover {
    background: #e9ecef;
    transform: translateX(4px);
}

.ranking-label {
    color: #666;
    font-size: 13px;
    font-weight: 500;
}

.ranking-value {
    color: #333;
    font-size: 13px;
    font-weight: 600;
}