:root {
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Global Card Styles */
.modern-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.modern-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

/* Page Headers */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.page-header .container {
    padding-left: 0;
    padding-right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    align-items: center;
    gap: 1rem;
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0.5rem 0 0 0;
}

/* Sidebar Styles */
.suggestions-sidebar {
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

.suggestions-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.suggestions-header h5 {
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.suggestions-header .icon {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.suggestions-list {
    padding: 0.75rem;
}

.suggestion-item {
    margin: 0.5rem 0;
    border-radius: 8px;
    transition: var(--transition);
    overflow: hidden;
}

.suggestion-item:hover {
    background: #f8fafc;
    transform: translateX(4px);
}

.suggestion-link {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    padding: 1rem;
    border-left: 3px solid transparent;
    transition: var(--transition);
}

.suggestion-item:hover .suggestion-link {
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.person-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.person-popularity {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.popularity-badge {
    background: linear-gradient(135deg, var(--accent-color), #f59e0b);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Search Form Styles */
.search-container {
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.search-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: var(--card-background);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.btn-search {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-search:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-search:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Align multi-select (genre) height with single-selects */
.choices[data-type*="select-multiple"] .choices__inner {
    min-height: 38px; /* Match Bootstrap .form-select height */
    padding-top: 6px;
    padding-bottom: 6px;
    line-height: 1.5;
  }

/* Results Styles */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem 0;
    border-bottom: 2px solid var(--border-color);
}

.results-count {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.results-count .highlight {
    color: var(--primary-color);
    font-weight: 600;
}

/* Navbar Styles */

.custom-navbar {
    background: var(--card-background);
    padding: 1rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.navbar-brand:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

.nav-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    background-color: #f1f5f9;
    color: var(--primary-color);
}

/* Movie Card Styles */
.movie-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.movie-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.movie-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.movie-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.movie-year {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.movie-body {
    padding: 1.5rem;
    flex-grow: 1;
}

.movie-detail {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f1f5f9;
}

.movie-detail:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.detail-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.detail-label .icon {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.detail-content {
    color: var(--text-secondary);
    line-height: 1.5;
}

.role-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.role-links a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Metrics Styles */
.movie-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #fafbfc;
    border-top: 1px solid var(--border-color);
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Period Tabs */
.period-tabs {
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.period-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    margin: 0 0.25rem;
}

.period-tabs .nav-link:hover {
    background: #f8fafc;
    color: var(--primary-color);
}

.period-tabs .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .search-form {
        grid-template-columns: 1fr;
    }

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

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

    .page-title {
        font-size: 2rem;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}