:root {
    /* Colors */
    --bg-default: #FFFFFF;
    --bg-muted: #FDFFFE;
    --surface-default: #F5F6FB;
    --surface-alt: #EDF1F8;
    --text-primary: #344054; /* Adjusted for readability */
    --text-secondary: #667085; /* Adjusted for readability */
    --text-inverse: #FFFFFF;
    --primary-default: #4A55A2; /* Adjusted for contrast */
    --primary-hover: #3E4784; /* Adjusted for contrast */
    --primary-active: #323A66; /* Adjusted for contrast */
    --primary-soft: #EAEBFF; /* Adjusted */
    --accent-default: #E0E4F2;
    --border-default: #E0E4F2; /* Adjusted */
    --border-muted: #F5F6FB; /* Adjusted */
    --success: #12B76A; /* Adjusted for consistency */
    --warning: #F79009; /* Adjusted for consistency */
    --danger: #F04438; /* Adjusted for consistency */
    --info-default: #B7BBD6;
    
    /* Typography */
    --font-family-sans: "Poppins", 'SF Pro Text', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    
    /* Radii */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-1: 4px;
    --spacing-2: 8px;
    --spacing-3: 12px;
    --spacing-4: 16px;
    --spacing-5: 20px;
    --spacing-6: 24px;
    --spacing-8: 32px;
    --spacing-10: 40px;
    --spacing-12: 48px;

    /* Shadows */
    --shadow-sm: 0 2px 6px rgba(17, 24, 39, 0.06);
    --shadow-md: 0 6px 18px rgba(17, 24, 39, 0.07);
    --shadow-lg: 0 12px 32px rgba(17, 24, 39, 0.08);
    --shadow-focus: 0 0 0 3px #B7BBD633;
}

body {
    font-family: var(--font-family-sans);
    background-color: var(--surface-default);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    line-height: 1.5;
}

.container-fluid, .container {
    padding-left: var(--spacing-6);
    padding-right: var(--spacing-6);
}

.card {
    background-color: var(--bg-default);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-header {
    background-color: var(--surface-alt);
    border-bottom: 1px solid var(--border-default);
    padding: var(--spacing-4) var(--spacing-5);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-6);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.btn {
    border-radius: var(--radius-sm);
    padding: var(--spacing-2) var(--spacing-4);
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.btn:focus {
    box-shadow: var(--shadow-focus);
}

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

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

.btn-primary:active, .btn-primary:focus {
    background-color: var(--primary-active) !important;
    border-color: var(--primary-active) !important;
    box-shadow: var(--shadow-focus);
}

.btn-secondary {
    background-color: var(--bg-default);
    border-color: var(--border-default);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--surface-alt);
    border-color: var(--border-default);
}

.btn-danger {
    background-color: var(--danger);
    border-color: var(--danger);
    color: var(--text-inverse);
}
.btn-danger:hover {
    opacity: 0.9;
}

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: var(--border-default);
    padding: var(--spacing-2) var(--spacing-3);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-default);
    box-shadow: var(--shadow-focus);
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: var(--surface-alt);
    border-bottom-width: 1px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--surface-default);
}
.table-hover tbody tr:hover {
    background-color: var(--surface-alt);
}

.table td, .table th {
    padding: var(--spacing-3) var(--spacing-4);
    vertical-align: middle;
}

.alert {
    border-radius: var(--radius-sm);
    padding: var(--spacing-3) var(--spacing-4);
}

.alert-success {
    background-color: #D1FADF;
    color: #039855;
    border-color: #A6F4C5;
}

.alert-warning {
    background-color: #FEF0C7;
    color: #B54708;
    border-color: #FEDF89;
}

.alert-danger {
    background-color: #FEE4E2;
    color: #D92D20;
    border-color: #FDA29B;
}

.alert-info {
    background-color: #EAEBFF;
    color: #4A55A2;
    border-color: #C7CBF2;
}


.pagination .page-link {
    border-radius: var(--radius-sm);
    margin: 0 var(--spacing-1);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
}

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

.badge {
    border-radius: var(--radius-full);
    font-weight: 500;
    padding: var(--spacing-1) var(--spacing-2);
}

.bg-success-soft {
    background-color: #D1FADF;
    color: #039855;
}

.bg-warning-soft {
    background-color: #FEF0C7;
    color: #B54708;
}

.bg-danger-soft {
    background-color: #FEE4E2;
    color: #D92D20;
}

.bg-info-soft {
    background-color: #EAEBFF;
    color: #4A55A2;
}

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

/* Specific component overrides for legacy compatibility */
.navbar {
    display: none; /* Hide old navbar */
}

#login-container {
    max-width: 450px;
    margin: var(--spacing-12) auto;
}

/* Sidebar Layout */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    background: var(--bg-default);
    color: var(--text-default);
    border-right: 1px solid var(--border-default);
    transition: transform 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed .sidebar-logo {
    display: none;
}

.sidebar.collapsed .sidebar-favicon {
    display: block;
}

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

.sidebar.collapsed .nav-links .nav-link span {
    display: none;
}

.sidebar.collapsed .nav-links .nav-link {
    justify-content: center;
    padding: var(--spacing-3);
}

.sidebar.collapsed .nav-icon {
    margin-right: 0;
}

.sidebar.collapsed .sidebar-footer {
    padding: var(--spacing-2);
}

.sidebar.collapsed .user-details {
    display: none;
}

.sidebar.collapsed .user-avatar {
    margin-right: 0;
}

/* Tooltip for collapsed sidebar */
.sidebar.collapsed .nav-link {
    position: relative;
}

.sidebar.collapsed .nav-link::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    margin-left: var(--spacing-2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
    pointer-events: none;
}

.sidebar.collapsed .nav-link:hover::after {
    opacity: 1;
    visibility: visible;
}

.sidebar-header {
    padding: var(--spacing-6) var(--spacing-5);
    border-bottom: 1px solid var(--border-default);
}

.sidebar-logo {
    height: 32px;
    width: auto;
    max-width: 160px;
}

.sidebar-favicon {
    height: 28px;
    width: 28px;
    display: none;
}

.login-logo {
    height: 48px;
    width: auto;
    max-width: 200px;
}

.sidebar-brand {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    color: var(--text-inverse);
}

.brand-subtitle {
    font-size: var(--font-size-md);
    font-weight: 400;
    opacity: 0.8;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4) 0;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links .nav-item {
    margin: 0;
}

.nav-links .nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-5);
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.nav-links .nav-link:hover {
    color: var(--text-default);
    background-color: var(--surface-hover);
}

.nav-links .nav-link.active {
    color: var(--primary-default);
    background-color: var(--primary-light);
    border-right: 3px solid var(--primary-default);
    font-weight: 600;
}

.nav-icon {
    margin-right: var(--spacing-3);
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 2;
}

.sidebar-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--border-default);
}

.user-info {
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: var(--spacing-3);
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.logout-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: color 0.2s ease;
}

.logout-link:hover {
    color: var(--text-default);
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
    background-color: var(--surface-default);
    transition: margin-left 0.3s ease;
}

.sidebar.collapsed ~ .main-content {
    margin-left: 70px;
}

.top-header {
    background-color: var(--bg-default);
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    min-height: 60px;
}

.sidebar-toggle {
    background: none;
    border: none;
    padding: var(--spacing-2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
    width: 40px;
    height: 40px;
}

.sidebar-toggle:hover {
    background-color: var(--surface-alt);
}

.toggle-icon {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

/* Show left arrow when sidebar is expanded (to suggest collapse) */
.toggle-collapse {
    display: block;
}

.toggle-expand {
    display: none;
}

/* Show right arrow when sidebar is collapsed (to suggest expand) */
.sidebar.collapsed ~ .main-content .toggle-collapse {
    display: none;
}

.sidebar.collapsed ~ .main-content .toggle-expand {
    display: block;
}

.content-wrapper {
    padding: var(--spacing-6);
    max-width: 100%;
}

/* Login Layout */
.login-layout {
    min-height: 100vh;
    background-color: var(--surface-default);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.login-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--primary-default);
    margin-bottom: var(--spacing-2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .sidebar.collapsed {
        width: 100%;
        transform: translateX(-100%);
    }
    
    .sidebar.collapsed.show {
        transform: translateX(0);
        width: 100%;
    }
    
    .sidebar.collapsed .sidebar-logo {
        display: block;
    }
    
    .sidebar.collapsed .sidebar-favicon {
        display: none;
    }
    
    .sidebar.collapsed .sidebar-brand {
        display: block;
        text-align: left;
    }
    
    .sidebar.collapsed .nav-links .nav-link span {
        display: inline;
    }
    
    .sidebar.collapsed .nav-links .nav-link {
        justify-content: flex-start;
        padding: var(--spacing-3) var(--spacing-5);
    }
    
    .sidebar.collapsed .nav-icon {
        margin-right: var(--spacing-3);
    }
    
    .sidebar.collapsed .user-details {
        display: block;
    }
    
    .sidebar.collapsed .user-avatar {
        margin-right: var(--spacing-3);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar.collapsed ~ .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: var(--spacing-4);
    }
}

/* Legacy styles for compatibility */
.main-content .container,
.main-content .container-fluid {
    padding-left: 0;
    padding-right: 0;
    max-width: 100%;
}

#login-container {
    max-width: 450px;
    margin: var(--spacing-12) auto;
}

/* Review List Styles */
.reviews-list {
    background: white;
}

.review-item {
    transition: background-color 0.2s ease;
}

.review-item:hover {
    background-color: #f8f9fa;
}

.review-item:last-child {
    border-bottom: none !important;
}

.review-comment {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.review-reply {
    position: relative;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Star ratings */
.star-rating {
    display: inline-flex;
    gap: 2px;
}

/* Empty state styling */
.text-center.py-5 svg {
    opacity: 0.5;
}