/* 3D Models Page Styles */

.models-page {
    background: var(--color-bg-primary);
    min-height: 60vh;
}

/* Hero Section */
.models-hero {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, rgba(217, 70, 239, 0.08) 100%);
    padding: 2rem 0 1.5rem;
    text-align: center;
}

.models-hero h1 {
    font-size: var(--font-size-4xl);
    margin: 0;
    color: var(--color-primary);
}

/* Subtitle was hidden to save height; it now carries the library's promise. */
.models-hero p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin: 0.5rem 0 0;
}

/* Sticky Filters Container */
.filters-sticky-container {
    position: sticky;
    top: 116px; /* Below the sticky header (116px tall with the 60px logo) */
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.filters-bar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Search Box */
.search-box {
    width: 100%;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

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

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

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Mobile Filter Toggle Button */
.mobile-filter-toggle {
    display: none; /* Hidden on desktop */
    position: sticky;
    top: 88px;   /* below the sticky header (88px tall on phones) */
    background: var(--color-bg-primary);
    padding: var(--spacing-md) 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
}

.filter-toggle-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-toggle-btn:hover {
    background: var(--color-primary-dark);
}

.filter-icon {
    font-size: 1.2rem;
}

.filter-badge {
    background: rgba(255, 255, 255, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
}

/* Filter Modal */
.filter-modal {
    display: none; /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    align-items: flex-end; /* Slide up from bottom on mobile */
    justify-content: center;
}

.filter-modal.active {
    display: flex;
}

.filter-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.filter-modal-content {
    position: relative;
    background: var(--color-bg-primary);
    width: 100%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.filter-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.filter-modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.filter-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* Reset sticky positioning inside modal */
.filter-modal .filters-sticky-container {
    position: static;
    top: auto;
    padding: 0;
    border-bottom: none;
    box-shadow: none;
}

/* Clear All button styling */
.clear-all-btn {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

.clear-all-btn:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Models Section */
.models-section {
    padding: 4rem 0;
}

/* Models Grid - 6x6 = 36 cards */
.models-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    /* Anchor for absolutely-positioned exit animations (FLIP) */
    position: relative;
}

/* Model Card - Matches main page design.
   Enter/move/exit animations run via the Web Animations API in
   models-loader.js so cards can persist and reflow on filter changes. */
.model-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 1px 4px var(--color-shadow);
    transition: all var(--transition-base);
    cursor: pointer;
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--color-shadow);
}

.model-image {
    position: relative;
    aspect-ratio: 1/1;
    background: var(--gradient-gold);
    overflow: hidden;
}

/* Star button in model card */
.model-card .star-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    z-index: 10;
    line-height: 1;
}

.model-card .star-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    color: #fbbf24;
    transform: scale(1.1);
}

.model-card .star-btn.starred {
    color: #fbbf24;
}

.model-image .placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.collection-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    padding: 2px 6px;
    background: rgba(236, 72, 153, 0.9);
    color: white;
    border-radius: 3px;
    font-size: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

/* Image Asset Styling - Light Blue */
.model-card.image-asset .model-image {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.3) 0%, rgba(147, 197, 253, 0.3) 100%);
}

.model-card.image-asset .collection-badge.image-badge {
    background: rgba(96, 165, 250, 0.9);
}

.model-info {
    padding: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4px;
}

.model-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.model-price {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    flex-shrink: 0;
}

.model-price.free {
    color: #22c55e;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.load-more-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    border: none;
    color: white;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.load-more-button:hover {
    background: var(--color-secondary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.4);
}

.load-more-button svg {
    animation: bounce 1.5s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(5px);
    }
}

/* Viewer Modal */
.viewer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.viewer-modal.active {
    display: flex;
}

.viewer-modal .modal-content {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 1200px;
    height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--color-primary);
    margin: 0;
}

.viewer-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.viewer-switch-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.viewer-switch-btn:hover {
    background: var(--color-primary);
    color: white;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-primary);
    transform: scale(1.2);
}

.modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

#threejsCanvas {
    width: 100%;
    height: 100%;
    flex: 1;
}

.viewer-toolbar {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.viewer-toggle-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.viewer-toggle-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.clay-color-controls {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    padding-left: var(--spacing-sm);
    border-left: 1px solid var(--color-border);
}

.clay-color {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.clay-color input[type="color"] {
    width: 28px;
    height: 28px;
    padding: 0;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
}

.clay-color input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.clay-color input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 50%;
}

.viewer-toolbar-msg {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-left: auto;
}

.viewer-info {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.viewer-info p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Responsive Design */
@media (max-width: 1400px) {
    .models-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1024px) {
    .models-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .filters-sticky-container {
        top: 60px;
    }
}

@media (max-width: 768px) {
    /* Show mobile filter toggle, hide desktop filter bar */
    .mobile-filter-toggle {
        display: block;
    }

    /* Hide the filters-sticky-container on mobile */
    .filters-sticky-container {
        display: none;
    }

    /* Show filters when inside modal */
    .filter-modal .filters-sticky-container {
        display: block;
    }

    .models-hero {
        padding: 2rem 0 1.5rem;
    }

    .models-hero h1 {
        font-size: var(--font-size-4xl);
    }

    .models-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .filter-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .filter-group .filter-select {
        grid-column: 1 / -1;
    }

    .viewer-modal .modal-content {
        width: 95%;
        height: 90vh;
    }

    .modal-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .viewer-controls {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    /* Keep 2 columns on mobile as requested */
    .models-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .filters-sticky-container {
        top: 50px;
    }
}