/* PARA Portal - Ultra Modern Professional Styles */

:root {
    /* Modern Color Palette */
    --primary-color: #0f172a;
    --primary-hover: #1e293b;
    --primary-light: #f1f5f9;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-color: #059669;
    --success-light: #ecfdf5;
    --warning-color: #d97706;
    --warning-light: #fffbeb;
    --danger-color: #dc2626;
    --danger-light: #fef2f2;
    --info-color: #0891b2;
    --info-light: #ecfeff;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --black: #000000;

    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed: 80px;
    --header-height: 70px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-info: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-dark: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: var(--gray-900);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container-fluid {
    padding: 0;
    max-width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

.text-muted {
    color: var(--gray-500) !important;
}

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }

/* Links */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Login Page Styles */
.login-page {
    background: var(--gradient-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.08)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.login-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
    max-width: 420px;
    width: 100%;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.login-card .logo {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    color: var(--white);
    font-size: 2rem;
}

.login-card h2 {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
    font-size: var(--font-size-2xl);
}

.login-card .subtitle {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xl);
}

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

.login-card .form-control {
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    background: var(--gray-50);
}

.login-card .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: var(--white);
}

.login-card .form-control::placeholder {
    color: var(--gray-400);
}

.login-card .input-group {
    position: relative;
}

.login-card .input-group .form-control {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    border-right: none;
}

.login-card .input-group .btn {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    border-left: none;
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-600);
}

.login-card .btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.login-card .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-slow);
}

.login-card .btn-primary:hover::before {
    left: 100%;
}

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

.login-card .btn-primary:active {
    transform: translateY(0);
}

.login-card .form-check {
    margin: var(--spacing-lg) 0;
}

.login-card .form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.login-card .form-check-label {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.login-card .divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-xl) 0;
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

.login-card .divider::before,
.login-card .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.login-card .divider::before {
    margin-right: var(--spacing-md);
}

.login-card .divider::after {
    margin-left: var(--spacing-md);
}


/* Mobile Responsive Login */
@media (max-width: 576px) {
    .login-page {
        padding: var(--spacing-md);
    }

    .login-card {
        padding: var(--spacing-xl);
        margin: 0;
    }

    .login-card .logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .login-card h2 {
        font-size: var(--font-size-xl);
    }
}

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    color: var(--white);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

/* Main content: eliminate gap between sidebar and content */
.main-content {
    flex: 1;
    margin-left: 250px;
    transition: var(--transition-normal);
    min-height: 100vh;
    max-width: calc(100vw - 250px);
    overflow-x: auto;
    padding: 20px;
    box-sizing: border-box;
    width: calc(100vw - 250px);
}
/* Layout variant with fixed sidebar */
.dashboard-layout .main-content {
    margin-left: 250px;
    max-width: calc(100vw - 250px);
    width: calc(100vw - 250px);
}
.dashboard-layout .main-content.expanded {
    margin-left: 80px;
    max-width: calc(100vw - 80px);
    width: calc(100vw - 80px);
}
.dashboard-layout .main-content.full-expanded {
    margin-left: 0;
    max-width: 100vw;
    width: 100vw;
}

/* Grid shim to remove extra left gap when using Bootstrap columns with fixed sidebar */
.col-sidebar {
    flex: 0 0 0 !important;
    max-width: 0 !important;
    padding: 0 !important;
}

.col-main {
    flex: 0 0 100% !important;
    max-width: 100% !important;
}

/* Global fix: eliminate extra Bootstrap column gap next to fixed sidebar on all pages */
/* Ensure the fixed sidebar itself stays visible */
@media (min-width: 768px) {
    /* When using Bootstrap grid placeholders for the fixed sidebar,
       collapse the left column and make the main column full-width.
       Scoped to dashboard-layout to avoid affecting other grids. */
    .dashboard-layout .container-fluid > .row > .col-md-3:first-child {
        display: none !important;
        padding: 0 !important;
        margin: 0 !important;
        max-width: 0 !important;
        flex: 0 0 0 !important;
    }
    .dashboard-layout .container-fluid > .row > .col-md-9:last-child {
        max-width: 100% !important;
        flex: 0 0 100% !important;
        width: 100% !important;
    }
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed);
}

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

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.header-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-title i {
    color: var(--accent-color);
    font-size: var(--font-size-lg);
}

.header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.header .btn {
    border: none;
    background: transparent;
    color: var(--gray-600);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.header .btn:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.user-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-right: var(--spacing-md);
}

.user-name {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

.user-role {
    color: var(--gray-500);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sidebar Navigation */
.sidebar-brand {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    text-align: center;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
}

.sidebar-brand .logo {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow);
}

.sidebar-brand h3 {
    color: var(--gray-900);
    font-weight: var(--font-weight-bold);
    margin: 0;
    font-size: var(--font-size-lg);
    letter-spacing: -0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav {
    padding: var(--spacing-lg) 0;
}

.nav-item {
    margin: var(--spacing-xs) var(--spacing-lg);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-fast);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--accent-color);
    transform: scaleY(0);
    transition: var(--transition-fast);
    border-radius: 0 4px 4px 0;
}

.nav-link:hover {
    background: var(--gray-50);
    color: var(--gray-900);
    transform: translateX(4px);
}

.nav-link.active {
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    box-shadow: var(--shadow) !important;
}

/* Active state standardization for all menu items */
.sidebar .nav-link {
    color: var(--gray-600);
    background: transparent;
}

.sidebar .nav-link .nav-text {
    color: inherit;
}

.sidebar .nav-link i {
    color: currentColor;
    opacity: 0.85;
    transition: var(--transition-fast);
}

/* Hover and focus states */
.sidebar .nav-link:hover,
.sidebar .nav-link:focus {
    background: var(--gray-50);
    color: var(--gray-900);
    transform: translateX(4px);
}

.sidebar .nav-link:hover i,
.sidebar .nav-link:focus i {
    color: currentColor;
    opacity: 1;
}

/* Focus visible for accessibility */
.sidebar .nav-link:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.35);
    outline-offset: 2px;
}

/* Active state - consistently applied to all selected menu items */
.sidebar .nav-link.active {
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    box-shadow: var(--shadow) !important;
    transform: none !important; /* Override hover transform when active */
    position: relative;
    z-index: 1;
}

.sidebar .nav-link.active i {
    color: var(--white) !important;
    opacity: 1 !important;
}

.sidebar .nav-link.active .nav-text {
    color: var(--white) !important;
}

/* Force active state to override all other states with maximum specificity */
.sidebar .nav-link.active,
.sidebar .nav-link.active:hover,
.sidebar .nav-link.active:focus,
.sidebar .nav-link.active:visited,
.sidebar .nav-link.active:active,
.sidebar .nav-link.active:focus-within,
.sidebar .nav-link.active::before,
.sidebar .nav-link.active::after {
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    box-shadow: var(--shadow) !important;
    transform: none !important;
}

.sidebar .nav-link.active i,
.sidebar .nav-link.active:hover i,
.sidebar .nav-link.active:focus i,
.sidebar .nav-link.active:visited i,
.sidebar .nav-link.active:active i {
    color: var(--white) !important;
    opacity: 1 !important;
}

.sidebar .nav-link.active .nav-text,
.sidebar .nav-link.active:hover .nav-text,
.sidebar .nav-link.active:focus .nav-text,
.sidebar .nav-link.active:visited .nav-text,
.sidebar .nav-link.active:active .nav-text {
    color: var(--white) !important;
}

/* Active state accent bar */
.nav-link.active::before {
    transform: scaleY(1);
    background: rgba(255, 255, 255, 0.8) !important;
}

/* Nav badge styling for active items */
.sidebar .nav-link.active .nav-badge {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--white);
}

/* Ensure no other styles can override the active state */
.sidebar .nav-link.active {
    background-image: var(--gradient-primary) !important;
}

/* Collapsed sidebar text visibility */
.sidebar.collapsed .nav-link .nav-text {
    opacity: 0;
    transform: translateX(-10px);
    width: 0;
}

.nav-link.active::before {
    transform: scaleY(1);
}

.nav-link i {
    width: 20px;
    margin-right: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-base);
    opacity: 0.8;
}

.nav-link.active i {
    opacity: 1;
}

.nav-link .nav-text {
    flex: 1;
    transition: var(--transition-fast);
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar.collapsed .nav-link .nav-text {
    opacity: 0;
    transform: translateX(-10px);
    width: 0;
}

.nav-badge {
    background: var(--danger-color);
    color: var(--white);
    font-size: var(--font-size-xs);
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: var(--font-weight-semibold);
    margin-left: auto;
}

/* Sidebar Toggle */
.sidebar-toggle {
    position: absolute;
    top: 50%;
    right: -15px;
    transform: translateY(-50%);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition-fast);
    z-index: 1001;
}

.sidebar-toggle:hover {
    background: var(--gray-50);
    transform: translateY(-50%) scale(1.1);
}

.sidebar-toggle i {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* Floating Hamburger Menu for Mobile */
.floating-hamburger {
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-fast);
    z-index: 1051;
}

.floating-hamburger:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
}

.floating-hamburger i {
    font-size: var(--font-size-lg);
}

/* Content Area */
.content {
    padding: var(--spacing-2xl);
    max-width: 100%;
    margin-top: 0;
}

.page-header {
    margin-bottom: var(--spacing-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.page-title i {
    color: var(--accent-color);
    font-size: var(--font-size-2xl);
}

.page-subtitle {
    color: var(--gray-600);
    font-size: var(--font-size-base);
    margin: var(--spacing-sm) 0 0 0;
    font-weight: var(--font-weight-normal);
}

.page-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.page-breadcrumb {
    margin-bottom: var(--spacing-lg);
}

.page-breadcrumb .breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.page-breadcrumb .breadcrumb-item a {
    color: var(--gray-600);
}

.page-breadcrumb .breadcrumb-item.active {
    color: var(--gray-900);
    font-weight: var(--font-weight-medium);
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition-normal);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-fast);
}

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

.card:hover::before {
    opacity: 1;
}

.card-header {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.card-header i {
    color: var(--accent-color);
    font-size: var(--font-size-lg);
}

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

.card-footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Card Variants */
.card-primary {
    border-color: var(--accent-color);
}

.card-primary .card-header {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.card-success {
    border-color: var(--success-color);
}

.card-success .card-header {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
}

.card-warning {
    border-color: var(--warning-color);
}

.card-warning .card-header {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.1) 0%, rgba(217, 119, 6, 0.05) 100%);
}

.card-info {
    border-color: var(--info-color);
}

.card-info .card-header {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.1) 0%, rgba(8, 145, 178, 0.05) 100%);
}

/* Stats Cards */
.stats-card {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stats-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.8rem;
    color: var(--white);
    position: relative;
    box-shadow: var(--shadow-md);
}

.stats-icon.primary {
    background: var(--gradient-primary);
}

.stats-icon.success {
    background: var(--gradient-success);
}

.stats-icon.warning {
    background: var(--gradient-warning);
}

.stats-icon.info {
    background: var(--gradient-info);
}

.stats-icon.danger {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.stats-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.stats-label {
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.stats-change {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
}

.stats-change.positive {
    background: var(--success-light);
    color: var(--success-color);
}

.stats-change.negative {
    background: var(--danger-light);
    color: var(--danger-color);
}

.stats-change.neutral {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Tables */
.table-container {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.table {
    margin: 0;
    font-size: var(--font-size-sm);
}

.table th {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-bottom: 2px solid var(--gray-200);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    padding: var(--spacing-lg) var(--spacing-md);
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.8px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table td {
    padding: var(--spacing-lg) var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
    color: var(--gray-700);
}

.table tbody tr {
    transition: var(--transition-fast);
}

.table tbody tr:hover {
    background: linear-gradient(135deg, var(--gray-50) 0%, rgba(59, 130, 246, 0.02) 100%);
    transform: scale(1.01);
}

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

/* Table Actions */
.table .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius);
    margin: 0 var(--spacing-xs);
}

.table .btn-sm {
    padding: 4px 8px;
    font-size: 11px;
}

/* Table Status Badges */
.table .badge {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
}

/* Table Responsive */
@media (max-width: 768px) {
    .table-container {
        border-radius: var(--border-radius);
        margin: 0 -var(--spacing-md);
    }

    .table th,
    .table td {
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    .table .btn {
        padding: 2px 6px;
        font-size: 10px;
        margin: 0 1px;
    }
}

/* Mobile stacked table pattern for small screens */
@media (max-width: 768px) {
    .table-stacked thead {
        display: none;
    }
    .table-stacked tbody {
        display: block;
        width: 100%;
    }
    .table-stacked tr {
        display: block;
        width: 100%;
        margin-bottom: var(--spacing-md);
        background: var(--white);
        border: 1px solid var(--gray-200);
        border-radius: var(--border-radius-lg);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
    }
    .table-stacked td {
        display: flex;
        width: 100%;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid var(--gray-100);
    }
    .table-stacked td:last-child {
        border-bottom: 0;
    }
    .table-stacked td::before {
        content: attr(data-label);
        font-weight: var(--font-weight-semibold);
        color: var(--gray-600);
        margin-right: var(--spacing-md);
        flex: 0 0 50%;
        max-width: 50%;
        text-align: left;
    }
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: var(--transition-fast);
    border: 2px solid transparent;
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-normal);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.btn-success {
    background: var(--gradient-success);
    border-color: transparent;
    color: var(--white);
}

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

.btn-warning {
    background: var(--gradient-warning);
    border-color: transparent;
    color: var(--white);
}

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

.btn-info {
    background: var(--gradient-info);
    border-color: transparent;
    color: var(--white);
}

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

.btn-danger {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border-color: transparent;
    color: var(--white);
}

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

.btn-outline-primary {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: transparent;
}

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

.btn-outline-secondary {
    border-color: var(--gray-300);
    color: var(--gray-600);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--gray-900);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
    border-radius: calc(var(--border-radius) - 2px);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-base);
    border-radius: calc(var(--border-radius) + 2px);
}

.btn-icon {
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
}

.btn i {
    font-size: var(--font-size-base);
}

.btn-sm i {
    font-size: var(--font-size-sm);
}

.btn-lg i {
    font-size: var(--font-size-lg);
}

/* Button Groups */
.btn-group .btn {
    border-radius: 0;
    margin: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.btn-group .btn:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

/* Forms */
.form-control,
.form-select,
.form-floating .form-control {
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    transition: var(--transition-normal);
    background: var(--white);
    color: var(--gray-900);
}

.form-control:focus,
.form-select:focus,
.form-floating .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: var(--white);
    outline: none;
}

.form-control::placeholder,
.form-floating .form-control::placeholder {
    color: var(--gray-400);
    font-weight: var(--font-weight-normal);
}

.form-control:disabled,
.form-select:disabled {
    background: var(--gray-50);
    color: var(--gray-400);
    cursor: not-allowed;
}

.form-label {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-text {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

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

/* Form Floating Labels */
.form-floating {
    position: relative;
}

.form-floating .form-control {
    height: calc(3.5rem + 2px);
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

.form-floating label {
    position: absolute;
    top: 0;
    left: var(--spacing-lg);
    height: 100%;
    padding: 1rem 0;
    pointer-events: none;
    border: 2px solid transparent;
    transform-origin: 0 0;
    transition: var(--transition-normal);
    color: var(--gray-500);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    text-transform: none;
    letter-spacing: normal;
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
    color: var(--accent-color);
}

/* Form Checkboxes and Radios */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.form-check-input {
    width: 1.2rem;
    height: 1.2rem;
    margin-right: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: var(--white);
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.form-check-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-check-label {
    color: var(--gray-700);
    font-weight: var(--font-weight-normal);
    cursor: pointer;
    margin-bottom: 0;
}

/* Form Validation */
.is-valid {
    border-color: var(--success-color) !important;
}

.is-valid:focus {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1) !important;
}

.is-invalid {
    border-color: var(--danger-color) !important;
}

.is-invalid:focus {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1) !important;
}

.valid-feedback,
.invalid-feedback {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.valid-feedback {
    color: var(--success-color);
}

.invalid-feedback {
    color: var(--danger-color);
}

/* Form Rows and Columns */
.form-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -var(--spacing-md);
}

.form-col {
    flex: 1;
    padding: 0 var(--spacing-md);
    min-width: 200px;
}

/* Input Groups */
.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group .form-control {
    border-radius: 0;
    border-right: none;
}

.input-group .form-control:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-group .btn {
    border-radius: 0;
    border-left: none;
}

.input-group .btn:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    color: var(--gray-600);
    text-align: center;
    white-space: nowrap;
    background-color: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.badge.bg-success {
    background: var(--success-light);
    color: var(--success-color);
    border-color: rgba(5, 150, 105, 0.2);
}

.badge.bg-warning {
    background: var(--warning-light);
    color: var(--warning-color);
    border-color: rgba(217, 119, 6, 0.2);
}

.badge.bg-danger {
    background: var(--danger-light);
    color: var(--danger-color);
    border-color: rgba(220, 38, 38, 0.2);
}

.badge.bg-info {
    background: var(--info-light);
    color: var(--info-color);
    border-color: rgba(8, 145, 178, 0.2);
}

.badge.bg-secondary {
    background: var(--gray-100);
    color: var(--gray-600);
    border-color: var(--gray-200);
}

.badge.bg-primary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.2) 100%);
    color: var(--accent-color);
    border-color: rgba(59, 130, 246, 0.3);
}

.badge:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Status Badges */
.badge.status-active {
    background: var(--success-light);
    color: var(--success-color);
    border-color: rgba(5, 150, 105, 0.2);
}

.badge.status-expired {
    background: var(--danger-light);
    color: var(--danger-color);
    border-color: rgba(220, 38, 38, 0.2);
}

.badge.status-suspended {
    background: var(--warning-light);
    color: var(--warning-color);
    border-color: rgba(217, 119, 6, 0.2);
}

.badge.status-pending {
    background: var(--info-light);
    color: var(--info-color);
    border-color: rgba(8, 145, 178, 0.2);
}

.badge.status-lifetime {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border-color: rgba(217, 119, 6, 0.3);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.alert-success { background-color: #d1fae5; color: #065f46; }
.alert-warning { background-color: #fef3c7; color: #92400e; }
.alert-danger { background-color: #fee2e2; color: #991b1b; }
.alert-info { background-color: #dbeafe; color: #1e40af; }

/* Pagination */
.pagination {
    margin: 0;
}

.page-link {
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    margin: 0 2px;
    border-radius: 6px;
}

.page-link:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

/* Modal */
.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.modal-title {
    font-weight: 700;
    color: var(--dark-color);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
}

/* Search and Filters */
.search-filters {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.search-filters .row {
    margin: 0;
    gap: 1rem;
}

.search-filters .col {
    padding: 0 0.5rem;
}

/* Mobile Responsive Design */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 260px;
        --header-height: 65px;
    }

    .sidebar {
        width: var(--sidebar-width);
    }

    .dashboard-layout .main-content {
        margin-left: var(--sidebar-width);
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
        --header-height: 60px;
        --spacing-xl: 1rem;
        --spacing-2xl: 1.5rem;
    }

    .dashboard-layout {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        z-index: 1050;
        transform: translateX(-100%);
        transition: var(--transition-normal);
    }
 
    .sidebar.show {
        transform: translateX(0);
    }
 
    /* Overlay that appears on mobile when sidebar is open.
       When hidden it must not intercept pointer events so page clickable area remains interactive. */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        opacity: 0;
        visibility: hidden;
        pointer-events: none; /* allow clicks through when overlay is hidden */
        transition: var(--transition-normal);
    }
 
    .sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
        pointer-events: auto; /* intercept clicks only when visible */
    }

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

    .header {
        padding: 0 var(--spacing-lg);
        position: relative;
    }

    .header .mobile-menu-toggle {
        display: flex !important;
    }

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

    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .page-title {
        font-size: var(--font-size-2xl);
        text-align: center;
    }

    .page-subtitle {
        text-align: center;
        margin-bottom: 0;
    }

    .page-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    .stats-card {
        margin-bottom: var(--spacing-lg);
    }

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

    .table-responsive {
        border-radius: var(--border-radius);
        margin: 0 -var(--spacing-md);
    }

    .btn-group-vertical .btn {
        border-radius: var(--border-radius) !important;
        margin-bottom: var(--spacing-xs);
    }

    .modal-dialog {
        margin: var(--spacing-md);
        max-width: calc(100vw - 2rem);
    }

    .form-row {
        margin: 0 -var(--spacing-sm);
    }

    .form-col {
        padding: 0 var(--spacing-sm);
        min-width: 100%;
    }
}

@media (max-width: 576px) {
    :root {
        --spacing-lg: 0.75rem;
        --spacing-xl: 1rem;
        --spacing-2xl: 1.25rem;
    }

    .container-fluid {
        padding: 0;
    }

    .content {
        padding: var(--spacing-md);
    }

    .page-header {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .page-title {
        font-size: var(--font-size-xl);
    }

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

    .stats-card {
        padding: var(--spacing-lg);
    }

    .stats-value {
        font-size: var(--font-size-3xl);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .table th,
    .table td {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    .badge {
        font-size: 10px;
        padding: 2px 6px;
    }

    .form-control,
    .form-select {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .form-label {
        font-size: var(--font-size-xs);
    }

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

    .modal-header,
    .modal-footer {
        padding: var(--spacing-md);
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .page-actions,
    .btn,
    .modal,
    .mobile-menu-toggle {
        display: none !important;
    }

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

    .content {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #000;
        break-inside: avoid;
    }

    .table {
        font-size: 12px;
    }

    .badge {
        border: 1px solid #000;
        background: #fff !important;
        color: #000 !important;
    }
}

/* Modern Professional Sidebar */
.sidebar-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    z-index: 1000;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: transparent;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1rem;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    color: white;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.sidebar-subtitle {
    font-size: 0.75rem;
    opacity: 0.8;
}

.sidebar-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.menu-section {
    padding: 0 1rem;
}

.menu-item {
    margin-bottom: 0.25rem;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    font-weight: 500;
}

.menu-link:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    transform: translateX(4px);
}

.menu-link.active {
    background: rgba(255,255,255,0.15);
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.menu-icon {
    width: 20px;
    text-align: center;
    margin-right: 0.75rem;
    font-size: 1rem;
    flex-shrink: 0;
}

.menu-text {
    flex: 1;
    font-size: 0.95rem;
}

.menu-indicator {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: #fff;
    border-radius: 2px;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: auto;
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    color: white;
}

.user-details {
    flex: 1;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.125rem;
}

.user-role {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Main Content Adjustment */
.main-content {
    margin-left: 290px !important;
    padding: 2rem;
    min-height: 100vh;
    background: #f8f9fa;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar-wrapper {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

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

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

    .menu-text {
        display: none;
    }

    .menu-link {
        justify-content: center;
        padding: 0.875rem;
    }

    .menu-icon {
        margin-right: 0;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --white: #ffffff;
        --gray-50: #ffffff;
        --gray-100: #f5f5f5;
        --gray-200: #e5e5e5;
        --gray-900: #000000;
        --gray-800: #1a1a1a;
        --gray-700: #333333;
    }

    .card {
        border: 2px solid var(--gray-900);
    }

    .btn {
        border: 2px solid;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here when needed */
}

/* Focus Visible for Accessibility */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Screen Reader Only Text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 576px) {
    .login-card {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .content {
        padding: 0.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-light { background-color: var(--light-color) !important; }

.border-primary { border-color: var(--primary-color) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.rounded-lg { border-radius: 12px !important; }
.rounded-xl { border-radius: 16px !important; }

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .page-actions,
    .btn,
    .modal {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content {
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
}