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

:root {
    --accent-color: #00ffff;
    --bg-primary: #0a0a0a;
    --bg-secondary: #111;
    --bg-tertiary: #1a1a1a;
    --border-color: #333;
    --text-primary: #fff;
    --text-secondary: #ccc;
    --text-tertiary: #888;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-logo {
    font-size: 48px;
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
}

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

.loading-bar {
    width: 200px;
    height: 2px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.3s ease;
}

.loading-text {
    margin-top: 20px;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* Header */
header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(17, 17, 17, 0.95);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-left h1 {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.header-subtitle {
    color: var(--text-tertiary);
    font-size: 14px;
}

.header-right {
    display: flex;
    gap: 15px;
    align-items: center;
}

.header-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.header-link:hover {
    background: var(--bg-tertiary);
    color: var(--accent-color);
}

/* Search and Filters */
.controls {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

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

.search-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 15px 20px 15px 50px;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

/* Stats Bar */
.stats-bar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 20px;
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.stat-label {
    color: var(--text-tertiary);
}

.stat-value {
    color: var(--accent-color);
    font-weight: 600;
}

/* Gallery Grid */
.gallery-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 30px;
}

/* Style Card */
.style-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.style-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.1);
}

.style-preview {
    height: 250px;
    background: var(--bg-tertiary);
    position: relative;
    overflow: hidden;
}

/* Preview obrázky v kartách - NOVÉ */
.style-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Odstranit nebo zakomentovat staré styly pro canvas */
/*
.style-preview canvas {
    width: 100%;
    height: 100%;
}

.style-preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 64px;
    color: var(--border-color);
}
*/

.style-id-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-family: monospace;
}

.style-info {
    padding: 25px;
}

.style-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.style-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.style-category {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-tertiary);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    color: var(--text-secondary);
}

.style-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Barevné tečky v kartě - NOVÉ */
.style-colors {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.2s ease;
    cursor: help;
}

.color-dot:hover {
    transform: scale(1.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.style-meta {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-tertiary);
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 3D Preview Modal */
.preview-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
}

.preview-modal.active {
    display: block;
}

/* Loading pro 3D preview - NOVÉ */
.preview-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
    z-index: 1000;
}

.preview-loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #00ffff;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

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

/* Error State */
.error-container {
    max-width: 600px;
    margin: 100px auto;
    padding: 40px;
    text-align: center;
}

.error-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.error-title {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.error-message {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.error-button {
    background: var(--accent-color);
    color: var(--bg-primary);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.error-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-tertiary);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Footer */
footer {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        align-items: start;
    }
    
    .filters {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px;
    }
}

/* Upravit cursor pro style-preview - pouze obrázek je klikatelný */
.style-preview {
    cursor: pointer;
}

/* Odstranit hover efekt z celé karty */
.style-card {
    cursor: default;
}

/* Zachovat hover efekt pouze pro obrázek */
.style-card .style-preview:hover {
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

/* Nová sekce pro akční tlačítka */
.style-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Základní styl pro akční tlačítka */
.action-btn {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    font-family: inherit;
}

/* Primární tlačítko (Zobrazit ve 3D) */
.action-btn-primary {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.action-btn-primary:hover {
    background: var(--accent-color);
    filter: brightness(1.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.3);
}

/* Sekundární tlačítko (Stáhnout kód) */
.action-btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Aktivní stav tlačítek */
.action-btn:active {
    transform: translateY(0);
    box-shadow: none;
}

/* Ikony v tlačítkách */
.action-btn span:first-child {
    font-size: 16px;
}

/* Responsive pro menší obrazovky */
@media (max-width: 480px) {
    .style-actions {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
    }
}