/**
 * XXManhwa - Admin Panel Stylesheet
 */

:root {
    --primary-color: #ff6b9d;
    --primary-dark: #e85a8a;
    --accent-color: #06ffa5;
    --bg-primary: #0f0f14;
    --bg-secondary: #16161f;
    --bg-tertiary: #1c1c28;
    --bg-card: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --border-color: #2a2a3a;
    --sidebar-width: 260px;
    --header-height: 60px;
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --font-primary: 'Lexend', sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
}

/* ========================================
   Login Page
   ======================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.login-logo .logo-text {
    display: flex;
    align-items: center;
    font-size: 2.2rem;
    font-weight: 700;
    font-family: var(--font-primary);
    letter-spacing: -0.5px;
}

.login-logo .logo-xx {
    color: #ff4444;
    font-weight: 800;
}

.login-logo .logo-manhwa {
    color: var(--text-primary);
    font-weight: 600;
}

.login-logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.login-logo .logo-icon {
    font-size: 2rem;
}

.login-header h1 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.login-form input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.login-form input:focus {
    border-color: var(--primary-color);
}

.password-input {
    position: relative;
}

.password-input input {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.login-footer {
    margin-top: 25px;
    text-align: center;
}

.login-footer a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-footer a:hover {
    color: var(--primary-color);
}

/* ========================================
   Admin Layout
   ======================================== */
.admin-body {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-logo .logo-text {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-primary);
    letter-spacing: -0.5px;
}

.sidebar-logo .logo-xx {
    color: #ff4444;
    font-weight: 800;
}

.sidebar-logo .logo-manhwa {
    color: var(--text-primary);
    font-weight: 600;
}

.admin-logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
}

.sidebar-logo .logo-icon {
    font-size: 1.5rem;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 15px 0;
}

.sidebar-nav ul {
    list-style: none;
}

.nav-section {
    padding: 15px 20px 8px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.sidebar-nav .nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-nav .nav-link.active {
    background: rgba(255, 107, 157, 0.1);
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background: var(--bg-primary);
    color: var(--primary-color);
}

/* Main Content Area */
.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Header */
.admin-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    z-index: 99;
}

.sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
}

.header-search {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.header-search input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

.header-search input:focus {
    border-color: var(--primary-color);
}

.header-search i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-dropdown {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 15px;
    background: var(--bg-tertiary);
    border-radius: 50px;
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.user-btn:hover {
    background: var(--bg-primary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-name {
    font-size: 0.9rem;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.user-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 5px 0;
}

.dropdown-menu .text-danger {
    color: #dc3545;
}

/* ========================================
   Admin Content
   ======================================== */
.admin-content {
    padding: 25px;
}

.admin-page-title {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 25px;
}

.page-header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 25px;
}

.page-header-flex .admin-page-title {
    margin-bottom: 0;
}

.header-actions-group {
    display: flex;
    gap: 10px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.stat-card.stat-warning {
    border-color: #dc3545;
}

.stat-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.3rem;
}

.stat-icon.bg-primary { background: rgba(255, 107, 157, 0.15); color: var(--primary-color); }
.stat-icon.bg-success { background: rgba(6, 255, 165, 0.15); color: var(--accent-color); }
.stat-icon.bg-info { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.stat-icon.bg-warning { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.stat-icon.bg-danger { background: rgba(220, 53, 69, 0.15); color: #dc3545; }

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.quick-action-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Admin Grid */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

@media (max-width: 1200px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
}

/* Admin Card */
.admin-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    color: var(--primary-color);
}

.card-link {
    font-size: 0.85rem;
    color: var(--primary-color);
}

.card-body {
    padding: 20px;
}

/* Admin Table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 500;
}

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

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

.manga-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.thumb-small {
    width: 40px;
    height: 55px;
    object-fit: cover;
    border-radius: 4px;
}

.type-badge,
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

.type-badge.manga { background: rgba(255, 107, 157, 0.15); color: var(--primary-color); }
.type-badge.manhwa { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.type-badge.manhua { background: rgba(6, 255, 165, 0.15); color: var(--accent-color); }

.status-badge.ongoing { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.status-badge.completed { background: rgba(6, 255, 165, 0.15); color: var(--accent-color); }
.status-badge.hiatus { background: rgba(220, 53, 69, 0.15); color: #dc3545; }

.badge-hot {
    padding: 2px 8px;
    background: #ff4444;
    color: white;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-left: 8px;
}

.badge-featured {
    padding: 2px 8px;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-left: 8px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    color: var(--text-primary);
}

.btn-icon.btn-primary:hover { background: var(--primary-color); color: white; }
.btn-icon.btn-success:hover { background: var(--accent-color); color: #000; }
.btn-icon.btn-danger:hover { background: #dc3545; color: white; }

.inline-form {
    display: inline;
}

/* ========================================
   Toolbar
   ======================================== */
.admin-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 15px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-form input {
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    min-width: 300px;
    outline: none;
}

.search-form input:focus {
    border-color: var(--primary-color);
}

.toolbar-info {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========================================
   Form Styles
   ======================================== */
.admin-form {
    max-width: 100%;
}

.form-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
}

@media (max-width: 1024px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group .required {
    color: #dc3545;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Cover Upload */
.cover-upload {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 20px;
}

.cover-preview {
    width: 150px;
    height: 200px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.cover-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.upload-divider {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.upload-divider::before,
.upload-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* Checkbox Grid */
.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-label {
    display: flex;
    align-items: flex-start;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--bg-tertiary);
}

.radio-label:hover {
    border-color: var(--primary-color);
    background: var(--bg-card);
}

.radio-label input[type="radio"] {
    margin-right: 12px;
    margin-top: 2px;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.radio-label span {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.radio-label strong {
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-label strong i {
    color: var(--primary-color);
    font-size: 1rem;
}

.radio-label small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.radio-label input[type="radio"]:checked + span strong {
    color: var(--primary-color);
}

.radio-label input[type="radio"]:checked {
    accent-color: var(--primary-color);
}

.radio-label input[type="radio"]:checked ~ span,
.radio-label:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(255, 107, 157, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.checkbox-label:hover {
    background: var(--bg-primary);
}

.checkbox-label input {
    accent-color: var(--primary-color);
}

.checkbox-switch {
    margin-bottom: 10px;
}

/* Type Selector (Manhwa/Manga) */
.type-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.type-option {
    cursor: pointer;
}

.type-option input {
    display: none;
}

.type-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.2s ease;
}

.type-box i {
    font-size: 2rem;
    color: var(--text-muted);
}

.type-box strong {
    font-size: 1.1rem;
}

.type-box small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.type-option input:checked + .type-box {
    border-color: var(--primary-color);
    background: rgba(255, 107, 157, 0.1);
}

.type-option input:checked + .type-box i {
    color: var(--primary-color);
}

.type-option:hover .type-box {
    border-color: var(--primary-color);
}

/* Stats List */
.stats-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.stat-item .stat-label {
    color: var(--text-muted);
}

/* Chapter List Admin */
.chapter-list-admin {
    max-height: 400px;
    overflow-y: auto;
}

.chapter-item-admin {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

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

.chapter-item-admin .chapter-number {
    font-weight: 600;
    min-width: 60px;
}

.chapter-item-admin .chapter-title {
    flex: 1;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.chapter-item-admin .chapter-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.chapter-item-admin .chapter-actions {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 15px;
    padding-top: 20px;
}

/* ========================================
   Upload Zone
   ======================================== */
.upload-zone {
    position: relative;
    padding: 40px;
    background: var(--bg-tertiary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary-color);
    background: rgba(255, 107, 157, 0.05);
}

.upload-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-placeholder i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.upload-placeholder p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.upload-placeholder span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.image-preview-item {
    position: relative;
    aspect-ratio: 2/3;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-number {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
}

.preview-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 5px;
    background: rgba(0,0,0,0.8);
    font-size: 0.7rem;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.form-help {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 10px;
}

.form-help i {
    margin-right: 5px;
}

.form-help code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.85em;
    color: var(--primary-color);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-primary);
}

.btn-success {
    background: var(--accent-color);
    color: #000;
}

.btn-info {
    background: #3b82f6;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   Tab Navigation
   ======================================== */
.tab-navigation {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 12px 24px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ========================================
   Alerts
   ======================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
}

.alert i {
    margin-top: 2px;
}

.alert ul {
    list-style: disc;
    padding-left: 20px;
}

.alert-success {
    background: rgba(6, 255, 165, 0.1);
    border: 1px solid rgba(6, 255, 165, 0.3);
    color: var(--accent-color);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #dc3545;
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.empty-state-small {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 25px;
}

.page-btn,
.page-num {
    min-width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.page-btn:hover,
.page-num:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.page-num.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    /* Prevent horizontal scroll */
    body {
        overflow-x: hidden;
    }
    
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
        width: 100%;
        max-width: 100%;
    }
    
    .sidebar-toggle {
        display: flex;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        flex-wrap: wrap;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cover-upload {
        grid-template-columns: 1fr;
    }
    
    .search-form input {
        min-width: 200px;
    }
    
    /* Form Grid Mobile */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-column {
        gap: 15px;
    }
    
    /* Cover Upload Mobile */
    .cover-upload {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .cover-preview {
        width: 100%;
        max-width: 200px;
        height: auto;
        aspect-ratio: 3/4;
        margin: 0 auto;
    }
    
    /* Upload Zone Mobile */
    .upload-zone {
        padding: 30px 15px;
    }
    
    .upload-placeholder i {
        font-size: 2.5rem;
    }
    
    .upload-placeholder p {
        font-size: 0.9rem;
    }
    
    /* Image Preview Grid Mobile */
    .image-preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
    }
    
    /* Type Selector Mobile */
    .type-selector {
        flex-direction: column;
        gap: 10px;
    }
    
    .type-option {
        width: 100%;
    }
    
    /* Radio Group Mobile */
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .radio-label {
        width: 100%;
    }
    
    /* Checkbox Grid Mobile */
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    /* Form Inputs Mobile - Prevent zoom on iOS */
    .form-group input[type="text"],
    .form-group input[type="url"],
    .form-group input[type="number"],
    .form-group input[type="email"],
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .form-group textarea {
        min-height: 100px;
    }
    
    /* Page Header Mobile */
    .page-header-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .page-header-flex > div {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .page-header-flex .btn {
        width: 100%;
        justify-content: center;
    }
    
    .header-actions-group {
        flex-direction: column;
        width: 100%;
    }
    
    .header-actions-group .btn {
        width: 100%;
    }
    
    /* Admin Card Mobile */
    .admin-card {
        padding: 15px;
    }
    
    .card-header h3 {
        font-size: 1rem;
    }
    
    /* Form Actions Mobile */
    .form-actions {
        padding-top: 15px;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    /* Admin Content Mobile */
    .admin-content {
        padding: 15px;
    }
    
    /* Tab Navigation Mobile */
    .tab-navigation {
        flex-direction: column;
        gap: 5px;
    }
    
    .tab-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 15px;
    }
    
    /* Alert Mobile */
    .alert {
        padding: 12px 15px;
        font-size: 0.9rem;
        word-wrap: break-word;
    }
    
    .alert-link {
        display: block;
        margin-top: 8px;
        text-decoration: underline;
    }
    
    /* Prevent overflow */
    * {
        max-width: 100%;
    }
    
    img {
        max-width: 100%;
        height: auto;
    }
    
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Extra Small Mobile Devices */
@media (max-width: 480px) {
    .admin-content {
        padding: 10px;
    }
    
    .admin-card {
        padding: 12px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .upload-zone {
        padding: 20px 10px;
    }
    
    .upload-placeholder i {
        font-size: 2rem;
    }
    
    .upload-placeholder p {
        font-size: 0.85rem;
    }
    
    .image-preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 6px;
    }
    
    .cover-preview {
        max-width: 150px;
    }
    
    .page-header-flex h1 {
        font-size: 1.5rem;
    }
    
    .card-header h3 {
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .type-box {
        padding: 15px;
    }
    
    .type-box i {
        font-size: 1.5rem;
    }
    
    .type-box strong {
        font-size: 0.95rem;
    }
    
    .type-box small {
        font-size: 0.75rem;
    }
    
    .alert {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    .alert i {
        font-size: 1rem;
    }
}