/* ===== DARK MODE (Default) ===== */
:root,
[data-theme="dark"] {
    --sidebar-width: 260px;
    --primary-color: #e50914;
    --bg-color: #0a0a0a;
    --card-bg: #1f1f1f;
    --border-color: #333;
    --text-color: #ffffff;
    --text-muted: #888888;
    --input-bg: #252525;
    --input-focus-bg: #2a2a2a;
    --sidebar-bg: #111111;
    --table-head-bg: #252525;
    --table-hover-bg: rgba(255, 255, 255, 0.05);
    --dropdown-bg: #1f1f1f;
    --dropdown-text: #aaaaaa;
    --stats-card-bg: linear-gradient(135deg, #1f1f1f 0%, #2a2a2a 100%);
    --tab-btn-color: #888;
    --ad-preview-bg: #252525;
    --ad-preview-color: #666;
    --chart-line: #888;
    --chart-grid: #333;
    --header-text-color: #ffffff;
}

/* ===== LIGHT MODE ===== */
[data-theme="light"] {
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --border-color: #dddddd;
    --text-color: #1a1a1a;
    --text-muted: #666666;
    --input-bg: #f8f8f8;
    --input-focus-bg: #ffffff;
    --sidebar-bg: #ffffff;
    --table-head-bg: #f8f9fa;
    --table-hover-bg: rgba(0, 0, 0, 0.02);
    --dropdown-bg: #ffffff;
    --dropdown-text: #444444;
    --stats-card-bg: #ffffff;
    --tab-btn-color: #666;
    --ad-preview-bg: #f0f0f0;
    --ad-preview-color: #999;
    --chart-line: #666;
    --chart-grid: #eee;
    --header-text-color: #333333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Headings visibility in dark mode */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] .card-header,
[data-theme="dark"] .sidebar-header,
[data-theme="dark"] .stats-card .label {
    color: #ffffff;
}

/* Form elements - Dark mode */
[data-theme="dark"] .form-label,
[data-theme="dark"] .form-check-label,
[data-theme="dark"] label {
    color: #dddddd !important;
}

[data-theme="dark"] .form-control {
    background: #1f1f1f;
    border-color: #333;
    color: #ffffff;
}

[data-theme="dark"] .form-control::placeholder {
    color: #888;
}

[data-theme="dark"] .form-select {
    background-color: #1f1f1f;
    border-color: #333;
    color: #ffffff;
}

[data-theme="dark"] .form-check-input {
    background-color: #333;
    border-color: #555;
}

[data-theme="dark"] textarea.form-control {
    color: #ffffff;
}

/* Card and content styling */
[data-theme="dark"] .card {
    background: #1f1f1f;
    border-color: #333;
}

[data-theme="dark"] .card-header {
    background: transparent;
    border-bottom-color: #333;
    color: #fff;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: bold;
}

.sidebar-header a {
    color: #34A853 !important;
}

.sidebar .nav {
    flex: 1;
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    padding: 10px 0;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    width: 100%;
    min-height: 0;
    scrollbar-width: thin;
}

.sidebar .nav-item {
    width: 100%;
    display: block !important;
}

.sidebar .nav::-webkit-scrollbar {
    width: 5px;
}

.sidebar .nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.sidebar .nav-link {
    color: var(--text-muted);
    padding: 12px 20px;
    border-left: 3px solid transparent;
    transition: all 0.3s;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: rgba(229, 9, 20, 0.1);
    color: var(--text-color);
    border-left-color: var(--primary-color);
}

.sidebar .nav-link i {
    width: 25px;
}

/* Removed .sidebar-footer as content moved into .nav */

.main-content {
    margin-left: var(--sidebar-width);
    padding: 30px;
    min-height: 100vh;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 20px;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

.table {
    color: var(--text-color);
}

.table thead th {
    background: var(--table-head-bg);
    border-color: var(--border-color);
    padding: 12px;
    font-weight: 600;
}

.table td {
    border-color: var(--border-color);
    padding: 12px;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: var(--table-hover-bg);
}

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

.btn-primary:hover {
    background: #b20710;
    border-color: #b20710;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.form-control,
.form-select {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px 15px;
}

.form-control:focus,
.form-select:focus {
    background: var(--input-focus-bg);
    border-color: var(--primary-color);
    color: var(--text-color);
    box-shadow: none;
}

.form-label {
    color: var(--text-muted);
    margin-bottom: 8px;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

.btn-close-white {
    filter: invert(1);
}

.dropdown-menu {
    background: var(--dropdown-bg);
    border: 1px solid var(--border-color);
}

.dropdown-item {
    color: var(--dropdown-text);
}

.dropdown-item:hover {
    background: var(--table-hover-bg);
    color: var(--text-color);
}

.badge.bg-success {
    background: #28a745 !important;
}

.badge.bg-warning {
    background: #ffc107 !important;
    color: #000;
}

.badge.bg-danger {
    background: #dc3545 !important;
}

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

.stats-card {
    background: var(--stats-card-bg);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.stats-card i {
    font-size: 2rem;
    opacity: 0.7;
}

.stats-card .number {
    font-size: 2rem;
    font-weight: bold;
    margin: 10px 0 5px;
}

.stats-card .label {
    color: #888;
    font-size: 0.9rem;
}

.search-box {
    max-width: 300px;
}

.pagination {
    margin-top: 20px;
}

.page-link {
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

.page-link:hover {
    background: var(--table-head-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

.page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.alert {
    border: none;
    border-radius: 8px;
}

.alert-success {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.alert-info {
    background: rgba(13, 202, 240, 0.2);
    color: #0dcaf0;
}

.tabs-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--tab-btn-color);
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--text-color);
    border-bottom-color: var(--primary-color);
}

.ad-preview {
    background: var(--ad-preview-bg);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ad-preview-color);
}

.blur-canvas {
    cursor: crosshair;
    border-radius: 8px;
}

.thumbnail-compare {
    display: flex;
    gap: 20px;
}

.thumbnail-compare>div {
    flex: 1;
}

.thumbnail-compare img {
    width: 100%;
    border-radius: 8px;
}

/* ===== RESPONSIVENESS ===== */

/* New Sidebar Mobile Styles */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    backdrop-filter: blur(2px);
}

.admin-header .mobile-header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    padding: 0 10px;
}

.header-item-left,
.header-item-right {
    flex: 0 0 50px;
    display: flex;
    align-items: center;
}

.header-item-right {
    justify-content: flex-end;
}

.header-item-center {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.premium-logo {
    display: flex;
    align-items: center;
    text-decoration: none !important;
    font-weight: 800;
    font-size: 1.2rem;
    white-space: nowrap;
    background: linear-gradient(135deg, #FF4B2B 0%, #FF416C 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
}

.premium-logo i {
    -webkit-text-fill-color: #e50914;
    font-size: 1.2em;
    filter: drop-shadow(0 0 8px rgba(229, 9, 20, 0.4));
}

#mobileSidebarToggle i {
    color: var(--header-text-color);
}

#mobileSidebarToggle i {
    color: var(--header-text-color);
}

.admin-header {
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    height: 60px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 997;
}

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1005;
        /* Higher than header */
        visibility: hidden;
    }

    .sidebar.show {
        transform: translateX(0);
        visibility: visible;
    }

    .sidebar-overlay.show {
        display: block;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 20px 15px !important;
        padding-top: 80px !important;
        /* Space for mobile header */
    }

    /* Stack filter forms on mobile */
    .card-header form.d-flex {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .card-header form.d-flex input,
    .card-header form.d-flex select,
    .card-header form.d-flex button {
        width: 100% !important;
    }

    .stats-card {
        padding: 15px;
    }

    .stats-card .number {
        font-size: 1.5rem;
    }

    .stats-card i {
        font-size: 1.5rem;
    }
}

/* For larger screens, ensure sidebar is visible */
@media (min-width: 992px) {
    .sidebar {
        transform: none !important;
    }

    .main-content {
        margin-left: var(--sidebar-width);
    }

    .admin-header {
        display: none !important;
    }
}

/* Other responsive tweaks */
.table-responsive {
    border: 0;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

@media (max-width: 576px) {
    .stats-card {
        margin-bottom: 10px;
    }

    .d-flex.justify-content-between.align-items-center {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 10px;
    }

    .search-box {
        max-width: 100%;
    }
}