/* 
 * DaVinci Architectural Tools - Public Styles
 * Design System with Minimal Colors
 */

:root {
    --dat-primary: #6366f1;
    --dat-primary-dark: #4f46e5;
    --dat-secondary: #64748b;
    --dat-success: #10b981;
    --dat-danger: #ef4444;
    --dat-warning: #f59e0b;
    --dat-bg: #ffffff;
    --dat-bg-secondary: #f8fafc;
    --dat-border: #e2e8f0;
    --dat-text: #1e293b;
    --dat-text-muted: #64748b;
    --dat-radius: 12px;
    --dat-radius-lg: 16px;
    --dat-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --dat-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Container */
.dat-tools-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Search & Filters Header */
.dat-tools-header {
    margin-bottom: 32px;
}

.dat-search-box {
    position: relative;
    max-width: 400px;
    margin: 0 auto 24px;
}

.dat-search-input {
    width: 100%;
    padding: 12px 48px 12px 20px;
    border: 2px solid var(--dat-border);
    border-radius: var(--dat-radius);
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--dat-bg);
}

.dat-search-input:focus {
    outline: none;
    border-color: var(--dat-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.dat-search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dat-text-muted);
    pointer-events: none;
}

/* Filter Tabs */
.dat-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.dat-filter-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    flex: 1;
}

.dat-filter-tabs::-webkit-scrollbar {
    height: 4px;
}

.dat-filter-tabs::-webkit-scrollbar-track {
    background: var(--dat-bg-secondary);
    border-radius: 2px;
}

.dat-filter-tabs::-webkit-scrollbar-thumb {
    background: var(--dat-border);
    border-radius: 2px;
}

.dat-filter-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--dat-bg);
    border: 1px solid var(--dat-border);
    border-radius: var(--dat-radius);
    font-size: 14px;
    color: var(--dat-text);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dat-filter-tab:hover {
    background: var(--dat-bg-secondary);
    transform: translateY(-1px);
}

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

.dat-category-icon {
    font-size: 16px;
}

/* Sort Dropdown */
.dat-sort-select {
    padding: 8px 32px 8px 12px;
    border: 1px solid var(--dat-border);
    border-radius: var(--dat-radius);
    background: var(--dat-bg);
    color: var(--dat-text);
    font-size: 14px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9L2 5h8L6 9z' fill='%23374151'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

/* Tools Grid */
.dat-tools-grid {
    display: grid;
    gap: 24px;
    margin-bottom: 32px;
}

.dat-tools-grid.dat-cols-2 {
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

.dat-tools-grid.dat-cols-3 {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.dat-tools-grid.dat-cols-4 {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Tool Card */
.dat-tool-card {
    background: var(--dat-bg);
    border-radius: var(--dat-radius-lg);
    overflow: hidden;
    box-shadow: var(--dat-shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.dat-tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--dat-shadow-lg);
}

/* Tool Cover */
.dat-tool-cover {
    position: relative;
    height: 200px;
    background: var(--dat-bg-secondary);
    overflow: hidden;
}

.dat-tool-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dat-tool-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--dat-text-muted);
    opacity: 0.5;
}

/* Favorite Button */
.dat-favorite-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: var(--dat-radius);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.dat-favorite-btn svg {
    fill: var(--dat-text-muted);
    transition: all 0.3s ease;
}

.dat-favorite-btn:hover {
    background: white;
    transform: scale(1.05);
}

.dat-favorite-btn.is-favorite svg {
    fill: var(--dat-danger);
}

.dat-favorite-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--dat-text);
}

/* Tool Info */
.dat-tool-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Tool Badge */
.dat-tool-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

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

.dat-badge-featured {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

/* Tool Title */
.dat-tool-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.dat-tool-title a {
    color: var(--dat-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.dat-tool-title a:hover {
    color: var(--dat-primary);
}

/* Tool Category */
.dat-tool-category {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--dat-text-muted);
    margin-bottom: 12px;
}

/* Tool Description */
.dat-tool-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--dat-text-muted);
    margin-bottom: 16px;
    flex: 1;
}

/* Tool Stats */
.dat-tool-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-top: 1px solid var(--dat-border);
    border-bottom: 1px solid var(--dat-border);
    margin-bottom: 16px;
}

/* Rating */
.dat-tool-rating {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dat-rating-stars {
    display: flex;
    gap: 2px;
}

.dat-star {
    color: var(--dat-border);
    font-size: 14px;
    transition: color 0.3s ease;
}

.dat-star.filled {
    color: var(--dat-warning);
}

.dat-rating-count {
    font-size: 12px;
    color: var(--dat-text-muted);
}

/* Usage Count */
.dat-tool-usage {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--dat-text-muted);
}

.dat-tool-usage svg {
    width: 16px;
    height: 16px;
    stroke-width: 1.5;
}

/* Tool Actions */
.dat-tool-actions {
    display: flex;
    gap: 8px;
}

.dat-btn {
    flex: 1;
    padding: 10px 20px;
    border: 1px solid var(--dat-border);
    border-radius: var(--dat-radius);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dat-btn-primary {
    background: var(--dat-primary);
    border-color: var(--dat-primary);
    color: white;
}

.dat-btn-primary:hover {
    background: var(--dat-primary-dark);
    border-color: var(--dat-primary-dark);
    transform: translateY(-1px);
}

.dat-btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dat-bg);
    border: 1px solid var(--dat-border);
    border-radius: var(--dat-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dat-btn-icon:hover {
    background: var(--dat-bg-secondary);
    transform: scale(1.1);
}

.dat-btn-icon svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* No Results */
.dat-no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--dat-text-muted);
}

.dat-no-results svg {
    margin-bottom: 16px;
    stroke-width: 1;
}

.dat-no-results h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dat-text);
    margin-bottom: 8px;
}

.dat-no-results p {
    font-size: 14px;
}

/* Pagination */
.dat-pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.dat-pagination ul {
    display: flex;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.dat-pagination li {
    margin: 0;
}

.dat-pagination a,
.dat-pagination span {
    display: block;
    padding: 8px 12px;
    border: 1px solid var(--dat-border);
    border-radius: var(--dat-radius);
    color: var(--dat-text);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.dat-pagination .current span {
    background: var(--dat-primary);
    border-color: var(--dat-primary);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .dat-tools-grid {
        grid-template-columns: 1fr;
    }
    
    .dat-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dat-filter-tabs {
        justify-content: flex-start;
    }
    
    .dat-tool-cover {
        height: 160px;
    }
}

/* Loading State */
.dat-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

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

@keyframes dat-spin {
    to { transform: rotate(360deg); }
}