/* ==============================================
   search.css - Search Page & Header Search
   ============================================== */

/* --- Header Search Bar (expandable) --- */
.header-search-bar {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) 0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
    z-index: var(--z-header-search);
}

.header-search-bar.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.header-search-form {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-secondary-bg);
    border-radius: var(--radius-btn);
    padding: var(--space-2) var(--space-3);
}

.header-search-icon {
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.header-search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: var(--text-md);
    color: var(--color-text);
    outline: none;
    font-family: var(--font-sans);
}

.header-search-input::placeholder {
    color: var(--color-text-muted);
}

.header-search-close {
    flex-shrink: 0;
    color: var(--color-text-muted);
    padding: var(--space-1);
    border-radius: var(--radius-btn);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-search-close:hover {
    color: var(--color-text);
    background-color: var(--color-border);
}

.header-search-toggle {
    position: relative;
}

/* --- Header Notification Bell --- */
.header-notification {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: -6px;
    right: -8px;
    min-width: 16px;
    height: 16px;
    padding: 0 var(--space-1);
    border-radius: 9999px;
    background-color: hsl(var(--destructive));
    color: hsl(var(--destructive-foreground));
    font-size: var(--text-2xs);
    font-weight: var(--font-bold);
    line-height: 16px;
    text-align: center;
}

/* --- Search Page --- */
.search-page {
    padding-top: var(--space-2);
}

.search-hero {
    margin-bottom: var(--space-6);
}

.search-form-large {
    width: 100%;
}

.search-input-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-card-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-25) var(--space-3);
    transition: border-color var(--transition-fast);
}

.search-input-wrap:focus-within {
    border-color: var(--color-primary);
}

.search-input-icon {
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.search-input-large {
    flex: 1;
    border: none;
    background: transparent;
    font-size: var(--text-lg);
    color: var(--color-text);
    outline: none;
    font-family: var(--font-sans);
}

.search-input-large::placeholder {
    color: var(--color-text-muted);
}

.search-clear {
    flex-shrink: 0;
    color: var(--color-text-muted);
    padding: var(--space-1);
    border-radius: 50%;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.search-clear:hover {
    color: var(--color-text);
    background-color: var(--color-secondary-bg);
}

.search-submit-btn {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-btn);
}

/* --- Search Content Layout (results + sidebar) --- */
.search-content {
    display: block;
}

.search-content-with-sidebar {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .search-content-with-sidebar {
        grid-template-columns: 1fr 240px;
    }
}

.search-results {
    min-width: 0;
}

.search-result-header {
    margin-bottom: var(--space-4);
}

.search-result-title {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--color-text);
}

.search-result-title strong {
    color: var(--color-primary);
}

.search-result-count {
    color: var(--color-text-muted);
    font-size: var(--text-md);
    font-weight: var(--font-normal);
    margin-left: var(--space-1);
}

/* --- Popular Keywords Sidebar --- */
.search-sidebar {
    order: -1;
}

@media (min-width: 768px) {
    .search-sidebar {
        order: 0;
    }
}

.popular-keywords {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-5);
}

.popular-keywords-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--color-text);
}

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

.popular-keyword-item {
    border-bottom: 1px solid var(--color-border);
}

.popular-keyword-item:last-child {
    border-bottom: none;
}

.popular-keyword-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.popular-keyword-link:hover {
    color: var(--color-primary);
}

.popular-keyword-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    font-size: var(--text-2xs);
    font-weight: var(--font-bold);
    color: var(--color-text-muted);
    background-color: var(--color-secondary-bg);
    border-radius: var(--radius-badge);
    flex-shrink: 0;
}

.popular-keyword-rank.top-rank {
    background-color: var(--color-primary);
    color: hsl(var(--primary-foreground));
}

.popular-keyword-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Search Autocomplete Dropdown --- */
.search-autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: var(--z-dropdown);
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-card) var(--radius-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-height: 320px;
    overflow-y: auto;
}

.autocomplete-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-25) var(--space-3);
    font-size: var(--text-md);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition-fast);
    cursor: pointer;
}

.autocomplete-item:hover,
.autocomplete-item-active {
    background-color: var(--color-secondary-bg);
}

.autocomplete-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Search History Section --- */
.search-history {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
}

.search-history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.search-history-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text);
}

.search-history-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
    margin: 0;
}

.search-history-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-15) var(--space-3);
    background-color: var(--color-secondary-bg);
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    font-size: var(--text-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.search-history-chip:hover {
    background-color: var(--color-border);
    border-color: var(--color-text-muted);
}

/* --- Popular Keywords Chips (on search page) --- */
.popular-chips {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
}

.popular-chips-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.popular-chips-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.popular-chip {
    display: inline-flex;
    align-items: center;
    padding: var(--space-15) var(--space-3);
    background-color: var(--color-secondary-bg);
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    font-size: var(--text-sm);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.popular-chip:hover {
    background-color: var(--color-primary);
    color: hsl(var(--primary-foreground));
    border-color: var(--color-primary);
}

/* --- Product Tags --- */
.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-15);
    margin-top: var(--space-3);
}

.product-tag-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-25);
    background-color: var(--color-secondary-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-badge);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.product-tag-badge:hover {
    background-color: var(--color-primary);
    color: hsl(var(--primary-foreground));
    border-color: var(--color-primary);
}

.btn-delete-history {
    background: none;
    border: none;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.btn-delete-history:hover {
    color: hsl(var(--destructive));
}

/* Search suggestion tips on empty results */
.search-suggestions {
    text-align: left;
    background: var(--color-secondary-bg);
    border-radius: var(--radius-card);
    padding: 1rem 1.25rem;
    margin: 1rem auto 1.5rem;
    max-width: 320px;
}

.search-suggestion-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-secondary);
}

.search-suggestion-list {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.search-suggestion-list li {
    padding: 0.2rem 0;
}