:root {
    /* Color Palette - Dark Mode Premium */
    --bg-body: #0f1115; /* Very dark blue-grey */
    --bg-sidebar: #161b22;
    --bg-card: #1c2128;
    --bg-input: #2d333b;
    --border-color: #30363d;
    
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    --accent-primary: #1f6feb; /* Vibrant Blue */
    --accent-hover: #388bfd;
    --accent-danger: #f85149;
    --accent-success: #2ea043;
    --accent-warning: #db6d28;

    --sidebar-width: 250px;
    --header-height: 64px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
    
    /* Font */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 50;
}

.logo-area {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-item {
    padding: 0.5rem 1.5rem;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
}

.nav-item:hover, .nav-item.active {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--accent-primary);
    padding-left: calc(1.5rem - 3px); /* Compensate for border */
}

.nav-item.active {
    background-color: rgba(31, 111, 235, 0.1);
}

.nav-icon {
    margin-right: 0.75rem;
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* Header */
.top-header {
    height: var(--header-height);
    background-color: var(--bg-sidebar); /* Matches sidebar for seamless look or slightly lighter */
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between; /* Space between Nav and Actions */
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 40;
}

.top-nav {
    display: flex;
    gap: 1.5rem;
}

.top-nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.top-nav-link:hover {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-danger {
    background-color: transparent;
    border: 1px solid var(--accent-danger);
    color: var(--accent-danger);
}
.btn-danger:hover {
    background-color: rgba(248, 81, 73, 0.1);
}

.btn-icon-only {
    padding: 0.5rem;
    border-radius: 50%;
    color: var(--text-secondary);
    background: transparent;
}
.btn-icon-only:hover {
    background-color: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

/* Content Area */
.content-wrapper {
    padding: 2rem;
    flex: 1;
    overflow-y: auto;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.95rem;
}

.alert-success {
    background-color: rgba(46, 160, 67, 0.15);
    border: 1px solid rgba(46, 160, 67, 0.4);
    color: #3fb950;
}

/* Sections */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Data Table */
.data-table-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th, .data-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(0,0,0,0.2);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover {
    background-color: rgba(255,255,255,0.01);
}

.thumbnail-cell {
    width: 120px;
}
.thumbnail-img {
    width: 100%;
    border-radius: 4px;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
    background-color: #2a3038;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-info {
    background-color: rgba(56, 139, 253, 0.15);
    color: #58a6ff;
    border: 1px solid rgba(56, 139, 253, 0.4);
}

.badge-success {
    background-color: rgba(46, 160, 67, 0.15);
    color: #3fb950;
    border: 1px solid rgba(46, 160, 67, 0.4);
}

.badge-warning {
    background-color: rgba(219, 109, 40, 0.15);
    color: #f0883e;
    border: 1px solid rgba(219, 109, 40, 0.4);
}

.badge-secondary {
    background-color: rgba(110, 118, 129, 0.15);
    color: var(--text-secondary);
    border: 1px solid rgba(110, 118, 129, 0.4);
}

.badge-danger {
    background-color: rgba(248, 81, 73, 0.15);
    color: #ff6b6b;
    border: 1px solid rgba(248, 81, 73, 0.4);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.btn-outline:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Forms */
.form-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.2);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    padding-right: 2.5rem;
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

input[type="file"].form-control {
    padding: 0.4rem 0.8rem;
}

input[readonly] {
    background-color: rgba(0, 0, 0, 0.2);
    cursor: not-allowed;
}

.form-text {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.full-width {
    grid-column: span 2;
}

.section-box {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.01);
}

.section-box h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

code {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    color: var(--text-secondary);
}

.data-table a {
    color: var(--accent-primary);
}

.data-table a:hover {
    color: var(--accent-hover);
}

/* Pagination Styles */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.pagination-container {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

/* Pagy pagination styles - Make them look like buttons */
.pagy-nav,
.pagy-nav.pagination,
.pagination-container nav {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    align-items: center;
}

.pagy-nav .page,
.pagy-nav a,
.pagination-container .page,
.pagination-container a{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    height: 2.75rem;
    padding: 0 1rem;
    border-radius: 6px;
    background-color: white;
    border: 1px solid #e0e0e0;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.pagy-nav .page:hover:not(.gap):not(.disabled),
.pagy-nav ahover,
.pagination-container .page:hover:not(.gap):not(.disabled),
.pagination-container ahover {
    background-color: #f5f5f5;
    border-color: #d0d0d0;
    color: #333;
}

.pagy-nav .page.active,
.pagy-nav .page[aria-current="page"],
.pagination-container .page.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(31, 111, 235, 0.3);
}

.pagy-nav .page.disabled,
.pagy-nav .page[aria-disabled="true"],
.pagination-container .page.disabled {
    background-color: #e0e0e0;
    border-color: #d0d0d0;
    color: #999;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    opacity: 0.7;
}

.pagy-nav .page.prev,
.pagy-nav .page.next,
.pagination-container .page.prev,
.pagination-container .page.next {
    font-weight: 500;
    min-width: 2.75rem;
    background-color: white;
    border: 1px solid #e0e0e0;
    color: #333;
}

.pagy-nav .page.prev:hover:not(.disabled),
.pagy-nav .page.next:hover:not(.disabled),
.pagination-container .page.prev:hover:not(.disabled),
.pagination-container .page.next:hover:not(.disabled) {
    background-color: #f5f5f5;
    border-color: #d0d0d0;
    color: #333;
}

.pagy-nav .page.gap,
.pagination-container .page.gap {
    background-color: transparent;
    border: none;
    color: var(--text-muted);
    cursor: default;
    pointer-events: none;
    min-width: auto;
    padding: 0 0.5rem;
    box-shadow: none;
    font-weight: 400;
}

/* Filter Buttons */
.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.filter-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}