:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --accent-color: #6e87ff;
    --secondary-color: #8f8f8f;
    --approved-color: #4caf50;
    --denied-color: #f44336;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    position: relative;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

header p {
    color: var(--secondary-color);
    max-width: 800px;
    margin: 0 auto;
}

.controls {
    margin-bottom: 30px;
}

.search-container {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

#search-input {
    background-color: var(--card-bg);
    border: 1px solid #333;
    color: var(--text-color);
    padding: 10px 15px;
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    font-size: 1rem;
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid #333;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.filter-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.filter-btn:hover {
    background-color: #2a2a2a;
    transform: translateY(-1px);
}

.filter-btn.active:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.level-count {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.file-input-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.file-input-container button {
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    border: none;
}

.file-input-container button:hover {
    background-color: #5a73e8;
}

#file-name-display {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

#levels-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    transform: scale(1);
}

.level-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #333;
    opacity: 1;
    transform: translateY(0);
}

.level-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.level-header {
    padding: 15px;
    border-bottom: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.level-name {
    font-size: 1.25rem;
    font-weight: 600;
}

.level-id {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.level-info {
    padding: 15px;
    border-bottom: 1px solid #333;
}

.level-creator {
    margin-bottom: 8px;
    font-weight: 500;
}

.level-difficulty {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    background-color: #333;
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.level-description {
    color: var(--secondary-color);
    font-size: 0.95rem;
    margin-top: 10px;
}

.modifications {
    padding: 15px;
}

.mod-section {
    margin-bottom: 15px;
}

.mod-title {
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mod-list {
    list-style: none;
}

.mod-item {
    padding: 8px 0;
    border-bottom: 1px solid #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mod-item:last-child {
    border-bottom: none;
}

.mod-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.approved {
    background-color: var(--approved-color);
}

.denied {
    background-color: var(--denied-color);
}

.mod-item .denied+span {
    text-decoration: line-through;
    color: var(--secondary-color);
}

.empty-message {
    text-align: center;
    grid-column: 1 / -1;
    padding: 40px;
    color: var(--secondary-color);
}

.mod-page-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--accent-color);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.mod-page-btn:hover {
    background-color: #5a73e8;
}

.home-link {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--accent-color);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.home-link:hover {
    background-color: #5a73e8;
}

.footer {
    margin-top: 50px;
    text-align: center;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #5a73e8;
}

.copyright {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    #levels-container {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2rem;
    }

    body {
        padding: 15px;
    }
}

/* Pagination styles */
.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.pagination-btn {
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid #333;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    color: var(--secondary-color);
    font-size: 0.9rem;
    padding: 0 10px;
}