:root {
    --bg-color: #f8f9fa;
    --text-color: #333;
    --card-bg: white;
    --border-color: #e9ecef;
    --primary-color: #007bff;
    --secondary-bg: #f8f9fa;
    --card-title-color: #333;
    --card-author-color: #666;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --primary-color: #4dabf7;
    --secondary-bg: #333333;
    --card-title-color: #ffffff;
    --card-author-color: #cccccc;
}

body {
    background: var(--bg-color);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.navbar {
    background: var(--card-bg) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--text-color) !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.main-container {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.page-header {
    background: var(--secondary-bg);
    color: var(--text-color);
    border-radius: 8px 8px 0 0;
    padding: 2rem;
    text-align: center;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.content-section {
    padding: 2rem;
}

.novel-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
    overflow: hidden;
    margin-bottom: 1.5rem;
    background: var(--card-bg);
}

.novel-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.novel-cover {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.novel-info {
    padding: 1.5rem;
}

.novel-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--card-title-color);
}

.novel-title a {
    color: var(--card-title-color);
    text-decoration: none;
}

.novel-title a:hover {
    color: var(--primary-color);
}

.novel-author {
    color: var(--card-author-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 0.5rem;
    margin: 1rem 0;
    min-height: 80px;
}

.stat-item {
    text-align: center;
    padding: 0.5rem;
    background: var(--secondary-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 60px;
}

.stat-icon {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-color);
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-color);
    opacity: 0.7;
}

.novel-description {
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 1rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.novel-description a {
    color: var(--primary-color);
    text-decoration: none;
}

.novel-description a:hover {
    text-decoration: underline;
}

.btn-view {
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
}

.btn-view:hover {
    background: var(--primary-color);
    opacity: 0.9;
    color: white;
    transform: translateY(-1px);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-color);
    opacity: 0.7;
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: 2rem;
    opacity: 0.5;
    color: var(--primary-color);
}

.search-box {
    background: var(--secondary-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.form-control {
    border-radius: 6px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--card-bg);
    color: var(--text-color);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    background: var(--card-bg);
    color: var(--text-color);
}

.form-control::placeholder {
    color: var(--text-color);
    opacity: 0.6;
}

.btn-search {
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: white;
}

.btn-search:hover {
    background: var(--primary-color);
    opacity: 0.9;
    color: white;
}

.footer {
    background: var(--secondary-bg);
    color: var(--text-color);
    text-align: center;
    padding: 2rem;
    border-radius: 0 0 8px 8px;
    border-top: 1px solid var(--border-color);
}

.theme-toggle {
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    opacity: 0.9;
}

.tag {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    margin: 0.1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-more {
    display: inline-block;
    background: var(--secondary-bg);
    color: var(--text-color);
    padding: 0.25rem 0.5rem;
    margin: 0.1rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.tags-section {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.text-muted {
    color: var(--text-color) !important;
    opacity: 0.7;
}

.text-muted code {
    color: var(--primary-color);
    background: var(--secondary-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .page-title {
        font-size: 1.5rem;
    }

    .content-section {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}