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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --background: #ecf0f1;
    --card-background: #ffffff;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --border-color: #bdc3c7;
    --star-color: #f39c12;
    --viewed-color: #27ae60;
    --movie-color: #9b59b6;
    --tv-color: #16a085;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--background);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--secondary-color);
}

h1 {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-light);
    font-size: 1.2em;
}

.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.controls h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1em;
}

.theme-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding: 5px;
}

.theme-tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--background);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85em;
    user-select: none;
}

.theme-tag:hover {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.theme-tag.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.btn-clear {
    margin-top: 10px;
    padding: 8px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
    font-size: 0.9em;
}

.btn-clear:hover {
    background: #c0392b;
}

#sortSelect {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    background: white;
}

.checkbox-label {
    display: block;
    margin-bottom: 10px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input {
    margin-right: 8px;
    cursor: pointer;
}

.stats {
    font-size: 0.95em;
    color: var(--text-color);
}

.stats p {
    margin-bottom: 5px;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.media-card {
    background: var(--card-background);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    border-left: 5px solid var(--secondary-color);
}

.media-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.media-card.viewed {
    border-left-color: var(--viewed-color);
}

.media-card.movie {
    border-left-color: var(--movie-color);
}

.media-card.tv {
    border-left-color: var(--tv-color);
}

.media-header {
    margin-bottom: 15px;
}

.media-title {
    font-size: 1.3em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.media-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.type-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75em;
    font-weight: bold;
    text-transform: uppercase;
}

.type-badge.movie {
    background: var(--movie-color);
    color: white;
}

.type-badge.tv {
    background: var(--tv-color);
    color: white;
}

.year {
    color: var(--text-light);
    font-size: 0.9em;
}

.themes {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 15px;
}

.theme-badge {
    display: inline-block;
    padding: 3px 8px;
    background: var(--background);
    border-radius: 12px;
    font-size: 0.75em;
    color: var(--text-color);
}

.media-actions {
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.viewed-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.viewed-checkbox input {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.viewed-checkbox label {
    cursor: pointer;
    font-weight: 500;
    color: var(--viewed-color);
}

.rating {
    display: flex;
    gap: 5px;
}

.star {
    cursor: pointer;
    font-size: 1.5em;
    color: var(--border-color);
    transition: color 0.2s ease, transform 0.2s ease;
    user-select: none;
}

.star:hover,
.star.filled {
    color: var(--star-color);
}

.star:hover {
    transform: scale(1.2);
}

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

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 1.2em;
}

/* Scrollbar styling */
.theme-filters::-webkit-scrollbar {
    width: 6px;
}

.theme-filters::-webkit-scrollbar-track {
    background: var(--background);
    border-radius: 10px;
}

.theme-filters::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    h1 {
        font-size: 2em;
    }

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

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