/* ========================================
   Admin Page Styles
   ======================================== */

.admin-body {
    background: var(--gray-100);
    min-height: 100vh;
}

/* ========================================
   Login Screen
   ======================================== */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb 0%, #ea580c 100%);
    padding: var(--spacing-md);
}

.login-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 450px;
    width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo {
    height: 80px;
    margin-bottom: var(--spacing-md);
}

.login-header h1 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-size: 1.75rem;
}

.login-header p {
    color: var(--gray-600);
}

.login-form .form-group {
    margin-bottom: var(--spacing-md);
}

.login-form label {
    display: block;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.login-form input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.login-hint {
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    justify-content: center;
    width: 100%;
}

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

/* ========================================
   Admin Dashboard
   ======================================== */
.admin-dashboard {
    min-height: 100vh;
}

.admin-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.admin-header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.admin-logo img {
    height: 50px;
}

.admin-logo h1 {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin: 0;
    line-height: 1.2;
}

.admin-logo p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.admin-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-danger {
    background: var(--gradient-secondary);
    color: var(--white);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Admin Container
   ======================================== */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-lg);
}

/* ========================================
   Sidebar
   ======================================== */
.admin-sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    height: fit-content;
    position: sticky;
    top: 100px;
    box-shadow: var(--shadow-sm);
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
    width: 100%;
}

.nav-item:hover {
    background: var(--gray-50);
    color: var(--primary-color);
}

.nav-item.active {
    background: linear-gradient(135deg, #2563eb 0%, #f59e0b 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.nav-item i {
    font-size: 1.125rem;
}

/* ========================================
   Content Area
   ======================================== */
.admin-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.content-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
}

.content-header h2 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.content-header p {
    color: var(--gray-600);
    margin: 0;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

/* ========================================
   Media Type Selector
   ======================================== */
.media-type-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.type-btn {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.type-btn:hover {
    border-color: var(--primary-color);
    background: var(--gray-50);
}

.type-btn.active {
    border-color: #ea580c;
    background: linear-gradient(135deg, #2563eb 0%, #ea580c 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
}

.type-btn i {
    font-size: 2rem;
}

.type-btn span {
    font-weight: 600;
}

/* ========================================
   Upload Form
   ======================================== */
.media-upload-section {
    display: none;
}

.media-upload-section.active {
    display: block;
}

.upload-area {
    border: 3px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    background: var(--gray-50);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-lg);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--white);
}

.upload-area.drag-over {
    border-color: var(--accent-color);
    background: rgba(16, 185, 129, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: #ea580c;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 2px 8px rgba(234, 88, 12, 0.2));
}

.upload-area h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.upload-area p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.preview-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.preview-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.preview-remove:hover {
    transform: scale(1.1);
}

.video-preview {
    margin-top: var(--spacing-md);
}

.video-preview iframe,
.video-preview video {
    width: 100%;
    max-width: 600px;
    aspect-ratio: 16/9;
    border-radius: var(--radius-md);
}

.form-fields {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--gray-100);
}

.field-hint {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* ========================================
   Media Management
   ======================================== */
.media-filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-weight: 600;
    color: var(--gray-700);
}

.filter-select {
    padding: 0.625rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    cursor: pointer;
}

.media-list {
    display: grid;
    gap: var(--spacing-md);
}

.media-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    background: var(--white);
    transition: all var(--transition-base);
}

.media-item:hover {
    box-shadow: var(--shadow-md);
}

.media-thumbnail {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.media-thumbnail img,
.media-thumbnail video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-info h4 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.media-info p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.media-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.media-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.media-badge.published {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-color);
}

.media-badge.unpublished {
    background: rgba(107, 114, 128, 0.1);
    color: var(--gray-600);
}

.media-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.icon-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-300);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-btn:hover {
    background: var(--gray-50);
}

.icon-btn.delete {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.icon-btn.delete:hover {
    background: var(--secondary-color);
    color: var(--white);
}

.loading-state,
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--gray-500);
}

.loading-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-400);
}

/* ========================================
   Dashboard Tab
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: linear-gradient(135deg, #2563eb 0%, #ea580c 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(234, 88, 12, 0.3);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(234, 88, 12, 0.4);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9375rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    border: 2px solid var(--gray-200);
    background: var(--white);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--gray-700);
}

.quick-action-btn:hover {
    border-color: #ea580c;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(234, 88, 12, 0.05) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.quick-action-btn i {
    font-size: 2rem;
    color: #ea580c;
}

.quick-action-btn span {
    font-weight: 600;
}

.recent-activity {
    margin-top: var(--spacing-xl);
}

.recent-activity h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid #ea580c;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #2563eb 0%, #ea580c 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.activity-details {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ========================================
   Content Editor Tab
   ======================================== */
.editor-section {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
}

.editor-section h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.editor-section h3 i {
    color: #ea580c;
}

.editor-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.image-upload-preview {
    margin-top: var(--spacing-sm);
}

.image-upload-preview img {
    max-width: 300px;
    max-height: 200px;
    border-radius: var(--radius-md);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.editor-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--gray-200);
}

/* ========================================
   SEO & Analytics Tab
   ======================================== */
.seo-section {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
}

.seo-section h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.seo-section h3 i {
    color: #ea580c;
}

.char-counter {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
    text-align: right;
}

.char-counter.warning {
    color: #f59e0b;
}

.char-counter.error {
    color: var(--secondary-color);
}

.analytics-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    color: var(--accent-color);
    margin-top: var(--spacing-md);
}

.analytics-status.inactive {
    background: rgba(107, 114, 128, 0.1);
    color: var(--gray-600);
}

.analytics-status i {
    font-size: 1.25rem;
}

.code-input {
    font-family: 'Courier New', monospace;
    background: var(--gray-100);
}

.seo-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--gray-200);
}

/* ========================================
   Settings
   ======================================== */
.settings-section {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.settings-section h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.settings-form {
    max-width: 500px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #2563eb 0%, #ea580c 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(234, 88, 12, 0.3);
}

.info-card i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.info-card strong {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.info-card span {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ========================================
   Modal
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--gray-100);
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: var(--gray-200);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ========================================
   Alerts
   ======================================== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--accent-color);
    color: #065f46;
}

.alert-error {
    background: rgba(220, 38, 38, 0.1);
    border-left: 4px solid var(--secondary-color);
    color: #991b1b;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--primary-light);
    color: #1e3a8a;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .admin-container {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }

    .admin-nav {
        flex-direction: row;
        overflow-x: auto;
    }

    .nav-item span {
        display: none;
    }
}

@media (max-width: 768px) {
    .admin-header-content {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-actions {
        justify-content: center;
    }

    .media-type-selector {
        grid-template-columns: 1fr 1fr;
    }

    .media-item {
        grid-template-columns: 1fr;
    }

    .media-thumbnail {
        width: 100%;
        height: 200px;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn-large {
        width: 100%;
    }
}