/* Admin-specific styles */
.admin-body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Login Screen */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: var(--transition);
}

.login-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-card);
    animation: fadeInUp 0.8s ease;
}

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

.admin-logo {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: white;
    box-shadow: var(--shadow-glow);
}

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

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

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

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 15px;
    color: var(--text-secondary);
    z-index: 1;
}

.input-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 12px 15px 12px 45px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.toggle-password {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--text-primary);
}

.error-message {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-bottom: 15px;
    padding: 8px 12px;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 6px;
    display: none;
}

.error-message.show {
    display: block;
}

.login-btn {
    width: 100%;
    background: var(--primary-gradient);
    border: none;
    border-radius: 10px;
    padding: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.login-btn.loading .btn-text {
    display: none;
}

.login-btn.loading .btn-loader {
    display: block;
    margin: 0 auto;
}

.login-footer {
    text-align: center;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Admin Dashboard */
.admin-dashboard {
    display: flex;
    min-height: 100vh;
    transition: var(--transition);
}

.admin-dashboard.hidden {
    display: none;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

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

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-logo i {
    width: 35px;
    height: 35px;
    background: var(--primary-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-primary);
    background: rgba(102, 126, 234, 0.1);
    border-left-color: #667eea;
}

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

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

.logout-btn {
    width: 100%;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 8px;
    padding: 10px;
    color: #ff6b6b;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.logout-btn:hover {
    background: rgba(255, 107, 107, 0.2);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

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

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

#page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

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

.admin-user {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.admin-user i {
    font-size: 1.5rem;
    color: #667eea;
}

/* Content Sections */
.content-section {
    display: none;
    padding: 30px;
    flex: 1;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.add-btn {
    background: var(--primary-gradient);
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

/* Dashboard Stats */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 5px 0;
}

.stat-content p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}

/* Dashboard Charts */
.dashboard-charts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.chart-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 25px;
}

.chart-card h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: 600;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid #667eea;
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.activity-content {
    flex: 1;
}

.activity-title {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.activity-time {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Data Table */
.table-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

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

.data-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.data-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-active {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.status-inactive {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.featured-badge-table {
    background: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.edit-btn {
    background: rgba(33, 150, 243, 0.2);
    color: #2196f3;
    border: 1px solid rgba(33, 150, 243, 0.3);
}

.edit-btn:hover {
    background: rgba(33, 150, 243, 0.3);
}

.delete-btn {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.delete-btn:hover {
    background: rgba(255, 107, 107, 0.3);
}

/* Admin Grids */
.categories-admin-grid,
.channels-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.admin-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    transition: var(--transition);
}

.admin-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.admin-card-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.admin-card-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 25px;
}

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

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

.modal-form input,
.modal-form select,
.modal-form textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 12px 15px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.modal-form input:focus,
.modal-form select:focus,
.modal-form textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.modal-form textarea {
    resize: vertical;
    min-height: 80px;
}

.modal-form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.modal-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.modal-btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.modal-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 15px 20px;
    z-index: 2000;
    transform: translateX(400px);
    transition: var(--transition);
}

.toast.show {
    transform: translateX(0);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-icon {
    font-size: 1.2rem;
}

.toast-message {
    color: var(--text-primary);
    font-weight: 500;
}

.toast.success {
    border-left: 4px solid #4caf50;
}

.toast.success .toast-icon {
    color: #4caf50;
}

.toast.error {
    border-left: 4px solid #ff6b6b;
}

.toast.error .toast-icon {
    color: #ff6b6b;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block;
    }

    .admin-header {
        padding: 15px 20px;
    }

    .content-section {
        padding: 20px 15px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table-container {
        overflow-x: auto;
    }

    .categories-admin-grid,
    .channels-admin-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: 20px;
    }

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

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

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }

    .admin-header {
        padding: 15px;
    }

    .content-section {
        padding: 15px;
    }

    .stat-card {
        padding: 20px;
        flex-direction: column;
        text-align: center;
    }

    .action-buttons {
        flex-direction: column;
    }

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