/* UXRZONE 3D Portfolio - Main Styles */
/* Hyper-polished, minimalist design with smooth animations */

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --accent: #f093fb;
    --bg: #0a0a0a;
    --surface: #141414;
    --surface-light: #1e1e1e;
    --text: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;
    --border: #2a2a2a;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --shadow: rgba(0, 0, 0, 0.5);
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === INITIAL LOADER === */
.initial-loader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.initial-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.uxrzone-logo {
    margin-bottom: 30px;
    animation: fadeInUp 0.6s ease;
}

.logo-text {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: 4px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 14px;
    letter-spacing: 3px;
    color: var(--text-secondary);
    margin-top: 8px;
    text-transform: uppercase;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loader-text {
    color: var(--text-secondary);
    font-size: 14px;
    animation: pulse 2s ease-in-out infinite;
}

/* === CONTAINER === */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    animation: fadeIn 0.5s ease;
}

/* === HEADER === */
.header {
    margin-bottom: 40px;
    animation: fadeInDown 0.6s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}

.brand-name {
    font-size: 42px;
    font-weight: 900;
    letter-spacing: 3px;
    margin: 0;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.brand-tagline {
    font-size: 16px;
    opacity: 0.95;
    margin-top: 5px;
    letter-spacing: 1px;
}

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

/* === FILTERS === */
.filters-section {
    margin-bottom: 30px;
    animation: fadeInUp 0.7s ease;
}

.search-container {
    position: relative;
    margin-bottom: 20px;
}

.search-container input {
    width: 100%;
    padding: 18px 50px 18px 24px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 16px;
    transition: var(--transition);
}

.search-container input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.filter-item label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-item select {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-reset,
.btn-icon {
    padding: 12px 20px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-reset:hover,
.btn-icon:hover {
    background: var(--surface-light);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* === STATS BAR === */
.stats-bar {
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease;
}

.stats-content {
    padding: 15px 20px;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
}

.stats-content strong {
    color: var(--primary);
    font-weight: 700;
}

/* === GALLERY GRID === */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
    animation: fadeInUp 0.9s ease;
}

/* === MODEL CARD === */
.model-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    animation: scaleIn 0.4s ease;
}

.model-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.model-thumbnail {
    position: relative;
    aspect-ratio: 1;
    background: var(--bg);
    overflow: hidden;
}

.model-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.model-card:hover .model-thumbnail img {
    transform: scale(1.08);
}

.thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    background: linear-gradient(135deg, var(--surface), var(--surface-light));
}

.model-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
}

.model-content {
    padding: 20px;
}

.model-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
}

.model-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.model-collection {
    padding: 4px 10px;
    background: var(--surface-light);
    border-radius: 6px;
    font-size: 12px;
}

.model-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    padding: 4px 10px;
    background: rgba(102, 126, 234, 0.15);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 6px;
    font-size: 11px;
    color: var(--primary);
}

/* === SKELETON LOADERS === */
.skeleton {
    pointer-events: none;
    animation: none;
}

.skeleton-thumbnail,
.skeleton-title,
.skeleton-meta,
.skeleton-tags,
.stat-skeleton {
    background: linear-gradient(90deg, var(--surface) 0%, var(--surface-light) 50%, var(--surface) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

.skeleton-thumbnail {
    aspect-ratio: 1;
}

.skeleton-content {
    padding: 20px;
}

.skeleton-title {
    height: 20px;
    width: 70%;
    margin-bottom: 12px;
}

.skeleton-meta {
    height: 16px;
    width: 100%;
    margin-bottom: 12px;
}

.skeleton-tags {
    height: 24px;
    width: 60%;
}

.stat-skeleton {
    height: 20px;
    width: 200px;
    margin: 0 auto;
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    animation: fadeIn 0.5s ease;
}

.empty-state.hidden {
    display: none;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text);
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* === FOOTER === */
.footer {
    margin-top: 60px;
    padding: 30px 20px;
    border-top: 1px solid var(--border);
    animation: fadeIn 1s ease;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-brand strong {
    color: var(--primary);
}

.footer-links a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

/* === ANIMATIONS === */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }

    .brand-name {
        font-size: 32px;
    }

    .header-actions {
        margin-top: 20px;
    }

    .filters-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 16px;
    }

    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 28px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }
}