/* Modern Responsive Dashboard Theme */
:root {
    /* Color Palette */
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    /* Backgrounds */
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    --bg-header: #ffffff;
    
    /* Text */
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --text-sidebar: #e2e8f0;
    --text-sidebar-muted: #94a3b8;
    
    /* Borders */
    --border-color: #e5e7eb;
    
    /* Dimensions */
    --sidebar-width: 260px;
    --header-height: 64px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Auth Pages */
.auth-page {
    background-color: var(--bg-body);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 1.5rem;
}

.auth-card {
    background-color: var(--bg-card);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    width: 100%;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    color: var(--primary-color);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-muted);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.btn-full {
    width: 100%;
}

.demo-info {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #f8fafc;
    border-radius: 0.375rem;
    font-size: 0.8rem;
    border: 1px dashed var(--border-color);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    font-size: 16px;
}

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: inherit;
}

/* Layout Container */
.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: var(--text-sidebar);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 0.75rem;
}

.nav-item {
    border-radius: 0.5rem;
    overflow: hidden;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-sidebar-muted);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.nav-item.active .nav-link {
    background-color: var(--primary-color);
    color: #fff;
}

.nav-link i {
    width: 1.25rem;
    text-align: center;
    font-size: 1.1rem;
}

/* Top Header */
.top-header {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    height: var(--header-height);
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 0.375rem;
    display: none; /* Hidden on desktop */
}

.sidebar-toggle:hover {
    background-color: var(--bg-body);
    color: var(--text-main);
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Notifications */
.notification-btn {
    position: relative;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: color var(--transition-fast);
}

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

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--danger-color);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.1rem 0.35rem;
    border-radius: 9999px;
    border: 2px solid var(--bg-header);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    border: none;
    padding: 0.25rem;
    border-radius: 0.5rem;
    transition: background-color var(--transition-fast);
}

.user-menu-toggle:hover {
    background-color: var(--bg-body);
}

.user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-name {
    font-weight: 500;
    color: var(--text-main);
    display: block;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-main);
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

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

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.25rem 0;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding-top: var(--header-height);
    transition: margin-left var(--transition-normal);
    min-height: 100vh;
}

.content-wrapper {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

/* Dashboard Widgets */
.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    transition: transform var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.stat-change {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.stat-change.positive {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
}

.stat-change.negative {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.dashboard-card {
    background-color: var(--bg-card);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-main);
}

.activity-list {
    padding: 1rem 0;
}

.activity-item {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--bg-body);
}

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

.activity-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

/* Sidebar Backdrop */
.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 45;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    backdrop-filter: blur(2px);
}

.sidebar-backdrop.show {
    opacity: 1;
    visibility: visible;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border: none;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

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

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

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

.btn-outline:hover {
    border-color: var(--text-muted);
    background-color: var(--bg-body);
}

/* Form Controls */
.form-group {
    margin-bottom: 1rem;
}

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

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: inherit;
    font-size: 0.875rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: monospace;
    font-size: 0.875rem;
    min-height: 80px;
}

/* Account Page Specific Styles */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.page-description {
    color: var(--text-muted);
    font-size: 1rem;
}

.account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); /* Responsive grid */
    gap: 1.5rem;
}

.account-card {
    background-color: var(--bg-card);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.account-card .card-header {
    padding: 0 0 1rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
    display: block;
}

.account-card .card-title {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}

.account-card .card-description {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.connect-description {
    margin-bottom: 1.5rem;
    color: var(--text-main);
    line-height: 1.6;
}

.connect-help {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: #f8fafc;
    border-radius: 0.5rem;
    border: 1px dashed var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.btn-facebook {
    background-color: #1877F2;
    color: white;
    width: 100%;
    justify-content: center;
    padding: 0.75rem;
}
.btn-facebook:hover {
    background-color: #166fe5;
}

.pages-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.page-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background-color: #f9fafb;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.page-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-icon {
    width: 3rem;
    height: 3rem;
    background-color: #e0e7ff;
    color: var(--primary-color);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.page-details h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
}

.page-details p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.page-actions {
    display: flex;
    gap: 0.5rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}
.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.alert-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}
.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .dashboard-grid, .account-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 260px; /* Keep width, but hide it */
    }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

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

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

    .top-header {
        left: 0;
    }

    .sidebar-toggle {
        display: block;
    }

    .user-name {
        display: none;
    }

    .content-wrapper {
        padding: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .page-actions {
        width: 100%;
        justify-content: flex-end;
    }
}