/* ==========================================
   RentCars Design System 2026
   Modern Fleet Management UI
   ========================================== */

/* ===========================================
   CSS Custom Properties (Design Tokens)
   =========================================== */
:root {
    /* Primary Colors - Modern Blue Gradient */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Accent Colors - Teal/Cyan */
    --accent-50: #ecfeff;
    --accent-100: #cffafe;
    --accent-200: #a5f3fc;
    --accent-300: #67e8f9;
    --accent-400: #22d3ee;
    --accent-500: #06b6d4;
    --accent-600: #0891b2;

    /* Success - Green */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-300: #86efac;
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;

    /* Warning - Amber */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Danger - Rose/Red */
    --danger-50: #fff1f2;
    --danger-100: #ffe4e6;
    --danger-200: #fecdd3;
    --danger-300: #fda4af;
    --danger-400: #fb7185;
    --danger-500: #f43f5e;
    --danger-600: #e11d48;
    --danger-700: #be123c;

    /* Neutral - Slate */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    --neutral-950: #020617;

    /* Semantic Colors */
    --bg-primary: #ffffff;
    --bg-secondary: var(--neutral-50);
    --bg-tertiary: var(--neutral-100);
    --bg-sidebar: linear-gradient(180deg, var(--neutral-900) 0%, var(--neutral-800) 100%);
    
    --text-primary: var(--neutral-900);
    --text-secondary: var(--neutral-600);
    --text-tertiary: var(--neutral-400);
    --text-inverse: #ffffff;

    --border-color: var(--neutral-200);
    --border-color-strong: var(--neutral-300);

    /* Shadows - Layered approach */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
    --shadow-glow: 0 0 20px rgb(59 130 246 / 0.3);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --header-height: 64px;
    --content-max-width: 1400px;

    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: var(--neutral-900);
    --bg-secondary: var(--neutral-800);
    --bg-tertiary: var(--neutral-700);
    --bg-sidebar: linear-gradient(180deg, var(--neutral-950) 0%, var(--neutral-900) 100%);
    
    /* Improved text contrast for better readability */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-tertiary: #94a3b8;
    
    --border-color: var(--neutral-700);
    --border-color-strong: var(--neutral-600);

    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
}

/* ===========================================
   Base Styles & Reset
   =========================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-secondary);
}

[data-theme="dark"] html {
    background-color: var(--neutral-900);
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===========================================
   Layout: Sidebar Navigation (2026 Trend)
   =========================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

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

.sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.sidebar-brand {
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-section {
    margin-bottom: var(--space-6);
}

.nav-section-title {
    padding: var(--space-2) var(--space-6);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neutral-400);
    white-space: nowrap;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    color: var(--neutral-300);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-inverse);
    background: rgba(255,255,255,0.05);
}

.nav-link.active {
    color: var(--text-inverse);
    background: rgba(255,255,255,0.1);
    border-left-color: var(--primary-400);
}

.nav-link i {
    width: 20px;
    font-size: var(--text-lg);
    text-align: center;
    flex-shrink: 0;
}

.nav-badge {
    margin-left: auto;
    padding: 2px 8px;
    font-size: var(--text-xs);
    font-weight: 600;
    background: var(--danger-500);
    color: white;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-menu:hover {
    background: rgba(255,255,255,0.1);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-400), var(--accent-400));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.user-name {
    font-weight: 600;
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: var(--text-xs);
    color: var(--neutral-400);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Sidebar collapse button */
.sidebar-toggle {
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    z-index: 10;
    transition: transform var(--transition-base);
    color: var(--text-secondary);
}

.sidebar-toggle:hover {
    background: var(--neutral-200);
    color: var(--text-primary);
}

/* Collapsed sidebar state */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-brand,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-link span,
.sidebar.collapsed .nav-badge,
.sidebar.collapsed .user-info {
    opacity: 0;
    visibility: hidden;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.sidebar.collapsed .sidebar-toggle {
    transform: translateY(-50%) rotate(180deg);
}

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

.sidebar.collapsed .user-menu {
    justify-content: center;
    padding: var(--space-2);
}

.sidebar.collapsed .user-menu .user-info,
.sidebar.collapsed .user-menu > i:last-child {
    display: none;
}

.sidebar.collapsed .sidebar-lang-switcher {
    padding: var(--space-2);
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-slow);
}

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

/* Top Header Bar */
.top-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
    z-index: var(--z-sticky);
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.9);
}

[data-theme="dark"] .top-header {
    background: rgba(15, 23, 42, 0.9);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
}

.breadcrumb-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-nav a:hover {
    color: var(--primary-600);
}

.breadcrumb-nav .separator {
    color: var(--text-tertiary);
}

.breadcrumb-nav .current {
    color: var(--text-primary);
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--neutral-200);
    color: var(--text-primary);
}

/* Search Bar */
.search-bar {
    position: relative;
    width: 300px;
}

.search-bar input {
    width: 100%;
    padding: var(--space-2) var(--space-4) var(--space-2) 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
    background: var(--bg-primary);
}

[data-theme="dark"] .search-bar input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.search-bar i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

/* Page Content */
.page-content {
    flex: 1;
    padding: var(--space-8);
    max-width: var(--content-max-width);
    width: 100%;
    margin: 0 auto;
}

/* ===========================================
   Page Headers
   =========================================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0;
}

.page-title i {
    color: var(--primary-500);
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

.page-actions {
    display: flex;
    gap: var(--space-3);
}

/* ===========================================
   Cards (Modern Glass morphism style)
   =========================================== */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

/* Clickable card links */
a.card {
    transition: all var(--transition-fast);
}

a.card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-300);
}

[data-theme="dark"] a.card:hover {
    border-color: var(--primary-500);
    background-color: var(--neutral-750, #283548);
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: var(--text-sm);
}

.card-header-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

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

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--stat-color, var(--primary-500));
}

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

.stat-card-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.stat-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    background: var(--stat-bg, var(--primary-100));
    color: var(--stat-color, var(--primary-600));
}

.stat-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color);
}

.stat-footer a {
    font-size: var(--text-sm);
    color: var(--stat-color, var(--primary-600));
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.stat-footer a:hover {
    gap: var(--space-2);
    opacity: 0.8;
}

/* Color variations */
.stat-card.primary { --stat-color: var(--primary-500); --stat-bg: var(--primary-100); }
.stat-card.success { --stat-color: var(--success-500); --stat-bg: var(--success-100); }
.stat-card.warning { --stat-color: var(--warning-600); --stat-bg: var(--warning-100); }
.stat-card.danger { --stat-color: var(--danger-500); --stat-bg: var(--danger-100); }
.stat-card.info { --stat-color: var(--accent-600); --stat-bg: var(--accent-100); }

/* ===========================================
   Buttons (Modern 2026 style)
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    line-height: var(--leading-normal);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-200);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn i {
    font-size: 1.1em;
}

/* Button sizes */
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

/* Secondary Button */
.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color-strong);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--neutral-400);
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-400), var(--success-500));
    transform: translateY(-1px);
}

/* Danger Button */
.btn-danger {
    background: linear-gradient(135deg, var(--danger-500), var(--danger-600));
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-400), var(--danger-500));
    transform: translateY(-1px);
}

/* Warning Button */
.btn-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
    color: var(--neutral-900);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--warning-400), var(--warning-500));
}

/* Outline variants */
.btn-outline-primary {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-400);
}

.btn-outline-primary:hover {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color-strong);
}

.btn-outline-secondary:hover {
    background: var(--neutral-600);
    border-color: var(--neutral-600);
    color: white;
}

.btn-outline-danger {
    background: transparent;
    color: var(--danger-600);
    border-color: var(--danger-400);
}

.btn-outline-danger:hover {
    background: var(--danger-600);
    border-color: var(--danger-600);
    color: white;
}

.btn-outline-success {
    background: transparent;
    color: var(--success-600);
    border-color: var(--success-400);
}

.btn-outline-success:hover {
    background: var(--success-600);
    border-color: var(--success-600);
    color: white;
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

.btn-ghost:hover {
    background: var(--neutral-200);
    color: var(--text-primary);
}

/* Button Group */
.btn-group {
    display: inline-flex;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.btn-group .btn {
    border-radius: 0;
    margin-left: -1px;
}

.btn-group .btn:first-child {
    margin-left: 0;
    border-top-left-radius: var(--radius-lg);
    border-bottom-left-radius: var(--radius-lg);
}

.btn-group .btn:last-child {
    border-top-right-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

/* Loading state */
.btn.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===========================================
   Forms (Modern style)
   =========================================== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-label .required {
    color: var(--danger-500);
    margin-left: 2px;
}

.form-control,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

.form-control:disabled,
.form-select:disabled {
    background: var(--bg-tertiary);
    cursor: not-allowed;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger-500);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--danger-100);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-text {
    margin-top: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.invalid-feedback,
.text-danger {
    color: var(--danger-600);
    font-size: var(--text-xs);
    margin-top: var(--space-1);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-label {
    font-size: var(--text-sm);
    cursor: pointer;
}

/* Input Group */
.input-group {
    display: flex;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-top-left-radius: var(--radius-lg);
    border-bottom-left-radius: var(--radius-lg);
}

.input-group .form-control:last-child {
    border-top-right-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.input-group-text {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color-strong);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ===========================================
   Tables (Modern style)
   =========================================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.table th,
.table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    white-space: nowrap;
}

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

.table tbody tr:hover {
    background: var(--neutral-100);
}

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

.table-hover tbody tr:hover {
    background: var(--neutral-100);
}

[data-theme="dark"] .table-hover tbody tr:hover {
    background: var(--neutral-700);
}

.table .text-end {
    text-align: right;
}

/* Table responsive wrapper */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ===========================================
   Badges (Modern style)
   =========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 10px;
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-success, .bg-success {
    background: var(--success-100) !important;
    color: var(--success-700) !important;
}

.badge-warning, .bg-warning {
    background: var(--warning-100) !important;
    color: var(--warning-700) !important;
}

.badge-danger, .bg-danger {
    background: var(--danger-100) !important;
    color: var(--danger-700) !important;
}

.badge-info, .bg-info {
    background: var(--accent-100) !important;
    color: var(--accent-700) !important;
}

.badge-secondary, .bg-secondary {
    background: var(--neutral-200) !important;
    color: var(--neutral-700) !important;
}

/* Status badges - specific styles */
.badge-status {
    padding: 6px 12px;
    border-radius: var(--radius-md);
}

.badge-status.approved {
    background: linear-gradient(135deg, var(--success-100), var(--success-50));
    color: var(--success-700);
    border: 1px solid var(--success-200);
}

.badge-status.pending {
    background: linear-gradient(135deg, var(--warning-100), var(--warning-50));
    color: var(--warning-700);
    border: 1px solid var(--warning-200);
}

.badge-status.rejected {
    background: linear-gradient(135deg, var(--danger-100), var(--danger-50));
    color: var(--danger-700);
    border: 1px solid var(--danger-200);
}

.badge-status.completed {
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    color: var(--primary-700);
    border: 1px solid var(--primary-200);
}

.badge-status.cancelled {
    background: linear-gradient(135deg, var(--neutral-200), var(--neutral-100));
    color: var(--neutral-600);
    border: 1px solid var(--neutral-300);
}

/* ===========================================
   Alerts / Toasts
   =========================================== */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    border: 1px solid;
}

.alert i {
    font-size: var(--text-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-success {
    background: var(--success-50);
    border-color: var(--success-200);
    color: var(--success-800);
}

.alert-danger {
    background: var(--danger-50);
    border-color: var(--danger-200);
    color: var(--danger-800);
}

.alert-warning {
    background: var(--warning-50);
    border-color: var(--warning-200);
    color: var(--warning-800);
}

.alert-info {
    background: var(--accent-50);
    border-color: var(--accent-200);
    color: var(--accent-800);
}

.alert-dismissible {
    position: relative;
    padding-right: var(--space-12);
}

.btn-close {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: var(--text-lg);
    cursor: pointer;
    opacity: 0.5;
    padding: var(--space-2);
    transition: opacity var(--transition-fast);
}

.btn-close:hover {
    opacity: 1;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 400px;
}

.toast {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.hiding {
    animation: slideOut 0.3s ease forwards;
}

@keyframes slideOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    background: var(--success-100);
    color: var(--success-600);
}

.toast.error .toast-icon {
    background: var(--danger-100);
    color: var(--danger-600);
}

.toast.warning .toast-icon {
    background: var(--warning-100);
    color: var(--warning-600);
}

.toast.info .toast-icon {
    background: var(--accent-100);
    color: var(--accent-600);
}

.toast-body {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: var(--text-sm);
    margin-bottom: 2px;
}

.toast-message {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ===========================================
   Calendar (Modern style)
   =========================================== */
.calendar-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.calendar-header {
    padding: var(--space-4) var(--space-6);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.calendar-title {
    font-weight: 600;
    font-size: var(--text-lg);
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.calendar-nav-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-nav-btn:hover {
    background: var(--neutral-200);
    color: var(--text-primary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-weekday {
    padding: var(--space-3);
    text-align: center;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.calendar-weekday.weekend {
    color: var(--danger-500);
}

.calendar-day {
    aspect-ratio: 1;
    padding: var(--space-2);
    border: 1px solid var(--border-color);
    border-top: none;
    border-left: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    min-height: 80px;
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day:hover:not(.empty) {
    background: var(--bg-secondary);
}

.calendar-day.empty {
    background: var(--bg-tertiary);
    cursor: default;
}

.calendar-day.free {
    background: linear-gradient(135deg, var(--success-50), var(--success-100));
}

.calendar-day.free:hover {
    background: var(--success-100);
}

.calendar-day.busy {
    background: linear-gradient(135deg, var(--danger-50), var(--danger-100));
}

.calendar-day.busy:hover {
    background: var(--danger-100);
}

.calendar-day.today {
    box-shadow: inset 0 0 0 2px var(--primary-500);
}

.calendar-day.today::before {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: var(--primary-500);
    border-radius: 50%;
}

.calendar-day.weekend {
    background: var(--bg-tertiary);
}

.calendar-day.weekend.free {
    background: linear-gradient(135deg, var(--success-50), rgba(240,253,244,0.5));
}

.calendar-day.weekend.busy {
    background: linear-gradient(135deg, var(--danger-50), rgba(255,241,242,0.5));
}

.day-number {
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--text-primary);
}

.day-status {
    margin-top: var(--space-1);
    font-size: var(--text-lg);
}

.day-status i {
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.1));
}

.calendar-legend {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
}

.legend-dot.free {
    background: var(--success-400);
}

.legend-dot.busy {
    background: var(--danger-400);
}

.legend-dot.today {
    background: var(--primary-500);
}

/* ===========================================
   Modals
   =========================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.show {
    display: flex;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
}

.modal-dialog {
    position: relative;
    z-index: var(--z-modal);
    width: 100%;
    max-width: 500px;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.modal-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    background: var(--bg-secondary);
}

/* ===========================================
   Tabs
   =========================================== */
.nav-tabs {
    display: flex;
    gap: var(--space-1);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--space-2);
}

.nav-tabs .nav-link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

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

.nav-tabs .nav-link.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

.tab-content {
    padding: var(--space-6) 0;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* ===========================================
   Empty States
   =========================================== */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-8);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    color: var(--text-tertiary);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================================
   List Groups
   =========================================== */
.list-group {
    display: flex;
    flex-direction: column;
}

.list-group-item {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background var(--transition-fast);
}

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

.list-group-item:hover {
    background: var(--neutral-100);
}

.list-group-flush .list-group-item:first-child {
    border-top: none;
}

/* ===========================================
   Dropdowns
   =========================================== */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    min-width: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    z-index: var(--z-dropdown);
    display: none;
}

.dropdown-menu.show {
    display: block;
    animation: dropdownFadeIn 0.15s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--neutral-100);
}

.dropdown-item-text {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-2) 0;
}

/* ===========================================
   Tooltips
   =========================================== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-3);
    background: var(--neutral-900);
    color: white;
    font-size: var(--text-xs);
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
    margin-bottom: var(--space-2);
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ===========================================
   Skeleton Loading
   =========================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--neutral-200) 0%,
        var(--neutral-100) 50%,
        var(--neutral-200) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.skeleton-card {
    height: 200px;
}

/* ===========================================
   Progress Bars
   =========================================== */
.progress {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar.success {
    background: linear-gradient(90deg, var(--success-500), var(--success-400));
}

.progress-bar.warning {
    background: linear-gradient(90deg, var(--warning-500), var(--warning-400));
}

.progress-bar.danger {
    background: linear-gradient(90deg, var(--danger-500), var(--danger-400));
}

/* ===========================================
   Utilities
   =========================================== */
.text-primary { color: var(--primary-600) !important; }
.text-success { color: var(--success-600) !important; }
.text-warning { color: var(--warning-600) !important; }
.text-danger { color: var(--danger-600) !important; }
.text-muted { color: var(--text-secondary) !important; }

.bg-primary { background-color: var(--primary-500) !important; }
.bg-light { background-color: var(--bg-secondary) !important; }
.bg-tertiary { background-color: var(--bg-tertiary) !important; }

.fw-bold { font-weight: 700 !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-normal { font-weight: 400 !important; }

.text-center { text-align: center !important; }
.text-end { text-align: right !important; }

.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }

.flex-column { flex-direction: column !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }

.gap-1 { gap: var(--space-1) !important; }
.gap-2 { gap: var(--space-2) !important; }
.gap-3 { gap: var(--space-3) !important; }
.gap-4 { gap: var(--space-4) !important; }
.gap-5 { gap: var(--space-5) !important; }

.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-5 { margin-bottom: var(--space-5) !important; }
.me-1 { margin-right: var(--space-1) !important; }
.me-2 { margin-right: var(--space-2) !important; }
.me-3 { margin-right: var(--space-3) !important; }
.ms-auto { margin-left: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.p-0 { padding: 0 !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-5 { padding: var(--space-5) !important; }
.py-2 { padding-top: var(--space-2) !important; padding-bottom: var(--space-2) !important; }
.py-3 { padding-top: var(--space-3) !important; padding-bottom: var(--space-3) !important; }
.py-5 { padding-top: var(--space-5) !important; padding-bottom: var(--space-5) !important; }
.px-4 { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }

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

.border { border: 1px solid var(--border-color) !important; }
.border-0 { border: none !important; }
.border-top { border-top: 1px solid var(--border-color) !important; }
.border-bottom { border-bottom: 1px solid var(--border-color) !important; }

.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }

.small { font-size: var(--text-sm) !important; }
.text-xs { font-size: var(--text-xs) !important; }

.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }

/* ===========================================
   Responsive / Mobile
   =========================================== */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .sidebar.collapsed ~ .main-content {
        margin-left: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .sidebar-toggle {
        display: none;
    }

    .page-content {
        padding: var(--space-4);
    }

    .top-header {
        padding: 0 var(--space-4);
    }

    .search-bar {
        display: none;
    }

    .mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: calc(var(--z-fixed) - 1);
        display: none;
    }

    .mobile-overlay.show {
        display: block;
    }
}

@media (max-width: 768px) {
    :root {
        --space-8: 1.5rem;
    }

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

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }

    .stat-card {
        padding: var(--space-4);
    }

    .stat-value {
        font-size: var(--text-2xl);
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: var(--text-lg);
    }

    .table th,
    .table td {
        padding: var(--space-3);
    }

    .btn-group {
        flex-direction: column;
    }

    .btn-group .btn {
        border-radius: var(--radius-lg) !important;
        margin: 2px 0;
        margin-left: 0;
    }

    .calendar-day {
        min-height: 60px;
    }

    .day-number {
        font-size: var(--text-sm);
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: var(--text-2xl);
    }

    .modal-dialog {
        margin: var(--space-4);
    }
}

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

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

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    body {
        background: white;
        color: black;
    }
}

/* ===========================================
   Animations
   =========================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease;
}

.animate-slide-up {
    animation: slideUp 0.4s ease;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Stagger animations for list items */
.stagger-item {
    animation: slideUp 0.4s ease backwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }

/* ===========================================
   Custom Scrollbar
   =========================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--neutral-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-400);
}

[data-theme="dark"]::-webkit-scrollbar-thumb {
    background: var(--neutral-600);
}

[data-theme="dark"]::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-500);
}

/* ===========================================
   Login Page Specific
   =========================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--neutral-900) 100%);
    padding: var(--space-4);
}

.login-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-10);
    width: 100%;
    max-width: 440px;
    text-align: center;
}

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: white;
    margin: 0 auto var(--space-6);
    box-shadow: var(--shadow-lg);
}

.login-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.login-btn {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
}

/* ===========================================
   Vehicle Cards
   =========================================== */
.vehicle-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.vehicle-card-header {
    padding: var(--space-4) var(--space-5);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.vehicle-registration {
    font-weight: 700;
    font-size: var(--text-lg);
    font-family: var(--font-mono);
}

.vehicle-card-body {
    padding: var(--space-5);
}

.vehicle-info-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
}

.vehicle-info-row i {
    width: 20px;
    color: var(--text-tertiary);
}

.vehicle-card-image {
    height: 140px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.vehicle-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vehicle-features {
    display: flex;
    gap: var(--space-2);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

.vehicle-features i {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.vehicle-card-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-2);
}

/* ===========================================
   Reservation Cards
   =========================================== */
.reservation-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.reservation-card:hover {
    box-shadow: var(--shadow-md);
}

.reservation-card-header {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
}

.reservation-vehicle {
    font-weight: 600;
}

.reservation-vehicle-reg {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.reservation-card-body {
    padding: var(--space-5);
}

.reservation-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
}

.reservation-detail:last-child {
    margin-bottom: 0;
}

.reservation-detail i {
    width: 18px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.reservation-card-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Quick action buttons on cards */
.quick-actions {
    display: flex;
    gap: var(--space-2);
}

.quick-action-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-action-btn:hover {
    background: var(--neutral-200);
    color: var(--text-primary);
}

.quick-action-btn.danger:hover {
    background: var(--danger-50);
    border-color: var(--danger-200);
    color: var(--danger-600);
}

.quick-action-btn.success:hover {
    background: var(--success-50);
    border-color: var(--success-200);
    color: var(--success-600);
}

/* ===========================================
   Filter Bar
   =========================================== */
.filter-bar {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-5) var(--space-6);
    margin-bottom: var(--space-6);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.filter-actions {
    display: flex;
    gap: var(--space-2);
}

/* ===========================================
   Reports / Charts placeholders
   =========================================== */
.report-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.chart-placeholder {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

/* ===========================================
   Admin / User Management Styles
   =========================================== */
.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.stat-content {
    flex: 1;
}

/* User Avatar Styles */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    border-radius: 50%;
    flex-shrink: 0;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--text-xs);
}

.avatar-md {
    width: 40px;
    height: 40px;
    font-size: var(--text-sm);
}

.avatar-lg {
    width: 48px;
    height: 48px;
    font-size: var(--text-base);
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: var(--text-2xl);
}

/* Page header with actions */
.page-header-content {
    flex: 1;
}

.page-header-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

/* Table striped secondary */
.table-secondary {
    background-color: var(--bg-tertiary);
    opacity: 0.7;
}

/* Form switch larger */
.form-check.form-switch .form-check-input {
    width: 3em;
    height: 1.5em;
    cursor: pointer;
}

/* Info items for profile/details pages */
.info-item {
    margin-bottom: var(--space-3);
}

.info-item label {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Bootstrap compatibility fixes */
.bg-primary-subtle { background-color: var(--primary-100) !important; }
.bg-success-subtle { background-color: var(--success-100) !important; }
.bg-warning-subtle { background-color: var(--warning-100) !important; }
.bg-danger-subtle { background-color: var(--danger-100) !important; }
.bg-info-subtle { background-color: var(--accent-100) !important; }
.bg-secondary-subtle { background-color: var(--neutral-200) !important; }

.text-primary { color: var(--primary-600) !important; }
.text-success { color: var(--success-600) !important; }
.text-warning { color: var(--warning-600) !important; }
.text-danger { color: var(--danger-600) !important; }
.text-info { color: var(--accent-600) !important; }

/* Badge improvements */
.badge.bg-success { background: var(--success-500) !important; color: white !important; }
.badge.bg-warning { background: var(--warning-500) !important; color: var(--neutral-900) !important; }
.badge.bg-danger { background: var(--danger-500) !important; color: white !important; }
.badge.bg-info { background: var(--accent-500) !important; color: white !important; }
.badge.bg-secondary { background: var(--neutral-500) !important; color: white !important; }
.badge.bg-light { background: var(--neutral-200) !important; color: var(--neutral-700) !important; }

/* Outline button warning */
.btn-outline-warning {
    background: transparent;
    color: var(--warning-600);
    border-color: var(--warning-400);
}

.btn-outline-warning:hover {
    background: var(--warning-500);
    border-color: var(--warning-500);
    color: var(--neutral-900);
}

.btn-outline-info {
    background: transparent;
    color: var(--accent-600);
    border-color: var(--accent-400);
}

.btn-outline-info:hover {
    background: var(--accent-600);
    border-color: var(--accent-600);
    color: white;
}

/* Dropdown menu width fix */
.sidebar-footer .dropdown-menu {
    width: calc(var(--sidebar-width) - var(--space-12));
}

/* Card border variants */
.card.border-danger {
    border-color: var(--danger-300) !important;
}

.card-header.bg-danger {
    background-color: var(--danger-500) !important;
}

/* Font monospace */
.font-monospace {
    font-family: var(--font-mono);
}

/* Text truncate */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Flex utilities */
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-wrap { flex-wrap: wrap !important; }

/* Display utilities */
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }

/* Additional spacing */
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.pt-4 { padding-top: var(--space-4) !important; }
.my-3 { margin-top: var(--space-3) !important; margin-bottom: var(--space-3) !important; }

/* Grid utilities */
.row { display: flex; flex-wrap: wrap; margin: calc(var(--space-4) * -0.5); }
.row > * { padding: calc(var(--space-4) * 0.5); }
.col-md-4 { flex: 0 0 auto; width: 100%; }
.col-md-6 { flex: 0 0 auto; width: 100%; }
.col-lg-4 { flex: 0 0 auto; width: 100%; }
.col-lg-6 { flex: 0 0 auto; width: 100%; }
.col-lg-8 { flex: 0 0 auto; width: 100%; }
.col-6 { flex: 0 0 auto; width: 50%; }
.col-12 { flex: 0 0 auto; width: 100%; }

@media (min-width: 768px) {
    .col-md-2 { flex: 0 0 auto; width: 16.6667%; }
    .col-md-3 { flex: 0 0 auto; width: 25%; }
    .col-md-4 { flex: 0 0 auto; width: 33.3333%; }
    .col-md-5 { flex: 0 0 auto; width: 41.6667%; }
    .col-md-6 { flex: 0 0 auto; width: 50%; }
    .d-md-inline { display: inline !important; }
}

@media (min-width: 1024px) {
    .col-lg-2 { flex: 0 0 auto; width: 16.6667%; }
    .col-lg-3 { flex: 0 0 auto; width: 25%; }
    .col-lg-4 { flex: 0 0 auto; width: 33.3333%; }
    .col-lg-6 { flex: 0 0 auto; width: 50%; }
    .col-lg-8 { flex: 0 0 auto; width: 66.6667%; }
}

/* Alert heading */
.alert-heading {
    font-weight: 600;
    margin-bottom: var(--space-2);
}

/* Selection styling */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Smooth transitions for theme changes - prevent white flash */
html {
    background-color: var(--bg-secondary);
}

[data-theme="dark"] html {
    background-color: var(--neutral-900);
}

/* Theme transition - only for specific properties */
.btn, .nav-link, .card, .form-control, .form-select, .sidebar, .main-content, .top-header {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

/* ===========================================
   Dark Mode - Complete Fixes
   =========================================== */

/* Form Controls in Dark Mode */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--neutral-800);
    border-color: var(--neutral-600);
    color: var(--neutral-100);
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--neutral-500);
}

[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .form-select:disabled {
    background-color: var(--neutral-700);
    color: var(--neutral-400);
}

[data-theme="dark"] .form-check-input {
    background-color: var(--neutral-700);
    border-color: var(--neutral-500);
}

[data-theme="dark"] .form-check-input:checked {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
}

[data-theme="dark"] .input-group-text {
    background-color: var(--neutral-700);
    border-color: var(--neutral-600);
    color: var(--neutral-300);
}

/* Cards in Dark Mode */
[data-theme="dark"] .card {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .card-header {
    background-color: var(--neutral-750, #283548);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .card-footer {
    background-color: var(--neutral-750, #283548);
    border-color: var(--neutral-700);
}

/* Stat Cards in Dark Mode */
[data-theme="dark"] .stat-card {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .stat-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .stat-card .stat-value {
    color: #ffffff;
}

[data-theme="dark"] .stat-card .stat-label {
    color: var(--neutral-300);
}

[data-theme="dark"] .stat-card.primary { --stat-bg: rgba(59, 130, 246, 0.2); --stat-color: var(--primary-400); }
[data-theme="dark"] .stat-card.success { --stat-bg: rgba(34, 197, 94, 0.2); --stat-color: var(--success-400); }
[data-theme="dark"] .stat-card.warning { --stat-bg: rgba(245, 158, 11, 0.2); --stat-color: var(--warning-400); }
[data-theme="dark"] .stat-card.danger { --stat-bg: rgba(244, 63, 94, 0.2); --stat-color: var(--danger-400); }
[data-theme="dark"] .stat-card.info { --stat-bg: rgba(6, 182, 212, 0.2); --stat-color: var(--accent-400); }

[data-theme="dark"] .stat-footer {
    border-color: var(--neutral-700);
}

[data-theme="dark"] .stat-footer a {
    color: var(--stat-color, var(--primary-400));
}

/* Tables in Dark Mode */
[data-theme="dark"] .table-container {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .table {
    color: var(--neutral-100);
}

[data-theme="dark"] .table th {
    background-color: var(--neutral-750, #283548);
    color: var(--neutral-300);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .table td {
    border-color: var(--neutral-700);
}

[data-theme="dark"] .table tbody tr:hover {
    background-color: var(--neutral-700);
}

[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .table-secondary,
[data-theme="dark"] tr.table-secondary {
    background-color: var(--neutral-700) !important;
}

/* Dropdown Menu in Dark Mode */
[data-theme="dark"] .dropdown-menu {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .dropdown-item {
    color: var(--neutral-200);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: var(--neutral-600);
    color: white;
}

[data-theme="dark"] .dropdown-item-text {
    color: var(--neutral-400);
}

[data-theme="dark"] .dropdown-divider {
    border-color: var(--neutral-700);
}

/* Badges in Dark Mode */
[data-theme="dark"] .badge-primary {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--primary-300);
}

[data-theme="dark"] .badge-success,
[data-theme="dark"] .bg-success {
    background-color: rgba(34, 197, 94, 0.2) !important;
    color: var(--success-300) !important;
}

[data-theme="dark"] .badge-warning,
[data-theme="dark"] .bg-warning {
    background-color: rgba(245, 158, 11, 0.2) !important;
    color: var(--warning-300) !important;
}

[data-theme="dark"] .badge-danger,
[data-theme="dark"] .bg-danger {
    background-color: rgba(244, 63, 94, 0.2) !important;
    color: var(--danger-300) !important;
}

[data-theme="dark"] .badge-info,
[data-theme="dark"] .bg-info {
    background-color: rgba(6, 182, 212, 0.2) !important;
    color: var(--accent-300) !important;
}

[data-theme="dark"] .badge-secondary,
[data-theme="dark"] .bg-secondary {
    background-color: rgba(100, 116, 139, 0.3) !important;
    color: var(--neutral-300) !important;
}

/* Status Badges in Dark Mode */
[data-theme="dark"] .badge-status.approved {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
    color: var(--success-300);
    border-color: rgba(34, 197, 94, 0.3);
}

[data-theme="dark"] .badge-status.pending {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
    color: var(--warning-300);
    border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .badge-status.rejected {
    background: linear-gradient(135deg, rgba(244, 63, 94, 0.2), rgba(244, 63, 94, 0.1));
    color: var(--danger-300);
    border-color: rgba(244, 63, 94, 0.3);
}

[data-theme="dark"] .badge-status.completed {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    color: var(--primary-300);
    border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .badge-status.cancelled {
    background: linear-gradient(135deg, rgba(100, 116, 139, 0.3), rgba(100, 116, 139, 0.2));
    color: var(--neutral-400);
    border-color: rgba(100, 116, 139, 0.4);
}

/* Alerts in Dark Mode */
[data-theme="dark"] .alert-success {
    background-color: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--success-300);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(244, 63, 94, 0.15);
    border-color: rgba(244, 63, 94, 0.3);
    color: var(--danger-300);
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--warning-300);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(6, 182, 212, 0.15);
    border-color: rgba(6, 182, 212, 0.3);
    color: var(--accent-300);
}

/* Calendar in Dark Mode */
[data-theme="dark"] .calendar-container {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .calendar-header {
    background-color: var(--neutral-750, #283548);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .calendar-weekday {
    background-color: var(--neutral-750, #283548);
    border-color: var(--neutral-700);
    color: var(--neutral-400);
}

[data-theme="dark"] .calendar-day {
    border-color: var(--neutral-700);
}

[data-theme="dark"] .calendar-day:hover:not(.empty) {
    background-color: var(--neutral-700);
}

[data-theme="dark"] .calendar-day.empty {
    background-color: var(--neutral-750, #283548);
}

[data-theme="dark"] .calendar-day.free {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.1));
}

[data-theme="dark"] .calendar-day.free:hover {
    background-color: rgba(34, 197, 94, 0.2);
}

[data-theme="dark"] .calendar-day.busy {
    background: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(244, 63, 94, 0.1));
}

[data-theme="dark"] .calendar-day.busy:hover {
    background-color: rgba(244, 63, 94, 0.2);
}

[data-theme="dark"] .calendar-day.weekend {
    background-color: var(--neutral-750, #283548);
}

[data-theme="dark"] .calendar-day.weekend.free {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.05));
}

[data-theme="dark"] .calendar-day.weekend.busy {
    background: linear-gradient(135deg, rgba(244, 63, 94, 0.1), rgba(244, 63, 94, 0.05));
}

[data-theme="dark"] .calendar-legend {
    border-color: var(--neutral-700);
}

[data-theme="dark"] .calendar-nav-btn {
    background-color: var(--neutral-800);
    border-color: var(--neutral-600);
    color: var(--neutral-300);
}

[data-theme="dark"] .calendar-nav-btn:hover {
    background-color: var(--neutral-600);
    color: white;
}

/* Modal in Dark Mode */
[data-theme="dark"] .modal-content {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .modal-header {
    border-color: var(--neutral-700);
}

[data-theme="dark"] .modal-footer {
    background-color: var(--neutral-750, #283548);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .modal-backdrop {
    background-color: rgba(0, 0, 0, 0.7);
}

/* Toast in Dark Mode */
[data-theme="dark"] .toast {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .toast-message {
    color: var(--neutral-400);
}

/* Buttons Outline in Dark Mode */
[data-theme="dark"] .btn-outline-primary {
    color: var(--primary-400);
    border-color: var(--primary-500);
}

[data-theme="dark"] .btn-outline-primary:hover {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

[data-theme="dark"] .btn-outline-secondary {
    color: var(--neutral-300);
    border-color: var(--neutral-500);
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--neutral-600);
    border-color: var(--neutral-600);
    color: white;
}

[data-theme="dark"] .btn-outline-danger {
    color: var(--danger-400);
    border-color: var(--danger-500);
}

[data-theme="dark"] .btn-outline-danger:hover {
    background-color: var(--danger-600);
    border-color: var(--danger-600);
    color: white;
}

[data-theme="dark"] .btn-outline-success {
    color: var(--success-400);
    border-color: var(--success-500);
}

[data-theme="dark"] .btn-outline-success:hover {
    background-color: var(--success-600);
    border-color: var(--success-600);
    color: white;
}

[data-theme="dark"] .btn-outline-warning {
    color: var(--warning-400);
    border-color: var(--warning-500);
}

[data-theme="dark"] .btn-outline-warning:hover {
    background-color: var(--warning-600);
    border-color: var(--warning-600);
    color: var(--neutral-900);
}

[data-theme="dark"] .btn-outline-info {
    color: var(--accent-400);
    border-color: var(--accent-500);
}

[data-theme="dark"] .btn-outline-info:hover {
    background-color: var(--accent-600);
    border-color: var(--accent-600);
    color: white;
}

/* Secondary Button in Dark Mode */
[data-theme="dark"] .btn-secondary {
    background-color: var(--neutral-700);
    border-color: var(--neutral-600);
    color: var(--neutral-100);
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: var(--neutral-600);
    border-color: var(--neutral-500);
}

/* Ghost Button in Dark Mode */
[data-theme="dark"] .btn-ghost {
    color: var(--neutral-300);
}

[data-theme="dark"] .btn-ghost:hover {
    background-color: var(--neutral-600);
    color: white;
}

/* Filter Bar in Dark Mode */
[data-theme="dark"] .filter-bar {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

/* Vehicle Cards in Dark Mode */
[data-theme="dark"] .vehicle-card {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .vehicle-card-header {
    background-color: var(--neutral-750, #283548);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .vehicle-card-image {
    background-color: var(--neutral-700);
}

[data-theme="dark"] .vehicle-info-row i {
    color: var(--neutral-500);
}

[data-theme="dark"] .vehicle-features {
    color: var(--neutral-500);
}

[data-theme="dark"] .vehicle-features i {
    background-color: var(--neutral-700);
}

[data-theme="dark"] .vehicle-card-footer {
    border-color: var(--neutral-700);
}

/* Reservation Cards in Dark Mode */
[data-theme="dark"] .reservation-card {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .reservation-card-header {
    background-color: var(--neutral-750, #283548);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .reservation-detail i {
    color: var(--neutral-500);
}

[data-theme="dark"] .reservation-card-footer {
    border-color: var(--neutral-700);
}

/* Quick Action Buttons in Dark Mode */
[data-theme="dark"] .quick-action-btn {
    background-color: var(--neutral-800);
    border-color: var(--neutral-600);
    color: var(--neutral-400);
}

[data-theme="dark"] .quick-action-btn:hover {
    background-color: var(--neutral-600);
    color: white;
}

[data-theme="dark"] .quick-action-btn.danger:hover {
    background-color: rgba(244, 63, 94, 0.15);
    border-color: rgba(244, 63, 94, 0.4);
    color: var(--danger-400);
}

[data-theme="dark"] .quick-action-btn.success:hover {
    background-color: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.4);
    color: var(--success-400);
}

/* Skeleton Loading in Dark Mode */
[data-theme="dark"] .skeleton {
    background: linear-gradient(
        90deg,
        var(--neutral-700) 0%,
        var(--neutral-600) 50%,
        var(--neutral-700) 100%
    );
    background-size: 200% 100%;
}

/* Progress Bar in Dark Mode */
[data-theme="dark"] .progress {
    background-color: var(--neutral-700);
}

/* Empty State in Dark Mode */
[data-theme="dark"] .empty-state-icon {
    background-color: var(--neutral-700);
    color: var(--neutral-500);
}

/* List Group in Dark Mode */
[data-theme="dark"] .list-group-item {
    border-color: var(--neutral-700);
    background-color: transparent;
}

[data-theme="dark"] .list-group-item:hover {
    background-color: var(--neutral-700);
}

/* Tabs in Dark Mode */
[data-theme="dark"] .nav-tabs {
    border-color: var(--neutral-700);
}

[data-theme="dark"] .nav-tabs .nav-link {
    color: var(--neutral-400);
}

[data-theme="dark"] .nav-tabs .nav-link:hover {
    color: var(--neutral-200);
}

[data-theme="dark"] .nav-tabs .nav-link.active {
    color: var(--primary-400);
    border-bottom-color: var(--primary-400);
}

/* Tooltip in Dark Mode */
[data-theme="dark"] [data-tooltip]::after {
    background-color: var(--neutral-100);
    color: var(--neutral-900);
}

/* Login Page in Dark Mode */
[data-theme="dark"] .login-card {
    background-color: var(--neutral-800);
}

[data-theme="dark"] .login-subtitle {
    color: var(--neutral-400);
}

/* Search Bar in Dark Mode */
[data-theme="dark"] .search-bar input {
    background-color: var(--neutral-800);
    border-color: var(--neutral-600);
    color: var(--neutral-100);
}

[data-theme="dark"] .search-bar input:focus {
    background-color: var(--neutral-700);
    border-color: var(--primary-500);
}

[data-theme="dark"] .search-bar i {
    color: var(--neutral-500);
}

/* Theme Toggle Button in Dark Mode */
[data-theme="dark"] .theme-toggle {
    background-color: var(--neutral-800);
    border-color: var(--neutral-600);
    color: var(--neutral-300);
}

[data-theme="dark"] .theme-toggle:hover {
    background-color: var(--neutral-700);
    color: var(--neutral-100);
}

/* Sidebar Toggle in Dark Mode */
[data-theme="dark"] .sidebar-toggle {
    background-color: var(--neutral-800);
    border-color: var(--neutral-600);
    color: var(--neutral-300);
}

[data-theme="dark"] .sidebar-toggle:hover {
    background-color: var(--neutral-700);
}

/* Mobile Menu Button in Dark Mode */
[data-theme="dark"] .mobile-menu-btn {
    background-color: var(--neutral-800);
    border-color: var(--neutral-600);
    color: var(--neutral-200);
}

/* Reports/Charts in Dark Mode */
[data-theme="dark"] .chart-placeholder {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

/* Info Items in Dark Mode */
[data-theme="dark"] .info-item label {
    color: var(--neutral-500);
}

/* Bootstrap Compatibility in Dark Mode */
[data-theme="dark"] .bg-light {
    background-color: var(--neutral-800) !important;
}

[data-theme="dark"] .bg-white {
    background-color: var(--neutral-800) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--neutral-200) !important;
}

[data-theme="dark"] .text-muted {
    color: var(--neutral-500) !important;
}

[data-theme="dark"] .border {
    border-color: var(--neutral-700) !important;
}

[data-theme="dark"] .border-top,
[data-theme="dark"] .border-bottom {
    border-color: var(--neutral-700) !important;
}

/* Card border variants in Dark Mode */
[data-theme="dark"] .card.border-danger {
    border-color: rgba(244, 63, 94, 0.5) !important;
}

[data-theme="dark"] .card-header.bg-danger {
    background-color: rgba(244, 63, 94, 0.3) !important;
    color: var(--danger-300);
}

/* Breadcrumb in Dark Mode */
[data-theme="dark"] .breadcrumb-nav a {
    color: var(--neutral-400);
}

[data-theme="dark"] .breadcrumb-nav a:hover {
    color: var(--primary-400);
}

[data-theme="dark"] .breadcrumb-nav .separator {
    color: var(--neutral-600);
}

[data-theme="dark"] .breadcrumb-nav .current {
    color: var(--neutral-200);
}

/* Selection in Dark Mode */
[data-theme="dark"] ::selection {
    background-color: var(--primary-700);
    color: var(--neutral-100);
}

/* Stat Footer Link in Dark Mode */
[data-theme="dark"] .stat-footer a {
    color: var(--primary-400);
}

[data-theme="dark"] .stat-footer a:hover {
    color: var(--primary-300);
}

/* Badge with solid bg in Dark Mode */
[data-theme="dark"] .badge.bg-success {
    background-color: var(--success-600) !important;
    color: white !important;
}

[data-theme="dark"] .badge.bg-warning {
    background-color: var(--warning-600) !important;
    color: var(--neutral-900) !important;
}

[data-theme="dark"] .badge.bg-danger {
    background-color: var(--danger-600) !important;
    color: white !important;
}

[data-theme="dark"] .badge.bg-info {
    background-color: var(--accent-600) !important;
    color: white !important;
}

[data-theme="dark"] .badge.bg-secondary {
    background-color: var(--neutral-600) !important;
    color: white !important;
}

[data-theme="dark"] .badge.bg-light {
    background-color: var(--neutral-700) !important;
    color: var(--neutral-200) !important;
}

/* Fix focus ring in Dark Mode */
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

[data-theme="dark"] .btn:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* Additional text color fixes for Dark Mode */
[data-theme="dark"] .text-primary {
    color: var(--primary-400) !important;
}

[data-theme="dark"] .text-success {
    color: var(--success-400) !important;
}

[data-theme="dark"] .text-warning {
    color: var(--warning-400) !important;
}

[data-theme="dark"] .text-danger {
    color: var(--danger-400) !important;
}

[data-theme="dark"] .text-info {
    color: var(--accent-400) !important;
}

/* Enhanced Dark Mode Text Readability */
[data-theme="dark"] body {
    color: #f8fafc;
}

[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3, 
[data-theme="dark"] h4, 
[data-theme="dark"] h5, 
[data-theme="dark"] h6,
[data-theme="dark"] .page-title,
[data-theme="dark"] .card-header,
[data-theme="dark"] .modal-title {
    color: #ffffff;
}

[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] label,
[data-theme="dark"] .form-label {
    color: #e2e8f0;
}

[data-theme="dark"] .nav-link:not(.active) {
    color: #cbd5e1;
}

[data-theme="dark"] .form-text,
[data-theme="dark"] .text-secondary,
[data-theme="dark"] small {
    color: #94a3b8 !important;
}

[data-theme="dark"] .stat-label {
    color: #cbd5e1;
}

[data-theme="dark"] .stat-value {
    color: #ffffff;
}

[data-theme="dark"] .day-number {
    color: #f1f5f9;
}

[data-theme="dark"] .user-name {
    color: #f8fafc;
}

[data-theme="dark"] .user-email {
    color: #94a3b8;
}

[data-theme="dark"] .filter-group label {
    color: #cbd5e1;
}

[data-theme="dark"] .reservation-vehicle {
    color: #f8fafc;
}

[data-theme="dark"] .reservation-vehicle-reg {
    color: #94a3b8;
}

[data-theme="dark"] .vehicle-registration {
    color: #f8fafc;
}

[data-theme="dark"] .legend-item {
    color: #cbd5e1;
}

[data-theme="dark"] .empty-state-title {
    color: #f8fafc;
}

[data-theme="dark"] .empty-state-description {
    color: #94a3b8;
}

[data-theme="dark"] .toast-title {
    color: #f8fafc;
}

[data-theme="dark"] .login-title {
    color: #ffffff;
}

[data-theme="dark"] .calendar-title {
    color: #f8fafc;
}

/* ===========================================
   Mini Stat Cards (for compact dashboards)
   =========================================== */
.stat-card-mini {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-5);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.stat-card-mini::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--stat-color, var(--primary-500));
}

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

.stat-card-mini-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-card-mini-info {
    flex: 1;
}

.stat-card-mini-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-card-mini-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-top: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stat-card-mini-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    background: var(--stat-bg, var(--primary-100));
    color: var(--stat-color, var(--primary-600));
    flex-shrink: 0;
    margin-left: var(--space-4);
}

/* Color variations for mini cards */
.stat-card-mini.primary { --stat-color: var(--primary-500); --stat-bg: var(--primary-100); }
.stat-card-mini.success { --stat-color: var(--success-500); --stat-bg: var(--success-100); }
.stat-card-mini.warning { --stat-color: var(--warning-600); --stat-bg: var(--warning-100); }
.stat-card-mini.danger { --stat-color: var(--danger-500); --stat-bg: var(--danger-100); }
.stat-card-mini.info { --stat-color: var(--accent-600); --stat-bg: var(--accent-100); }

/* Mini Stat Cards in Dark Mode */
[data-theme="dark"] .stat-card-mini {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .stat-card-mini:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .stat-card-mini .stat-card-mini-value {
    color: #ffffff;
}

[data-theme="dark"] .stat-card-mini .stat-card-mini-label {
    color: var(--neutral-300);
}

[data-theme="dark"] .stat-card-mini.primary { --stat-bg: rgba(59, 130, 246, 0.2); --stat-color: var(--primary-400); }
[data-theme="dark"] .stat-card-mini.success { --stat-bg: rgba(34, 197, 94, 0.2); --stat-color: var(--success-400); }
[data-theme="dark"] .stat-card-mini.warning { --stat-bg: rgba(245, 158, 11, 0.2); --stat-color: var(--warning-400); }
[data-theme="dark"] .stat-card-mini.danger { --stat-bg: rgba(244, 63, 94, 0.2); --stat-color: var(--danger-400); }
[data-theme="dark"] .stat-card-mini.info { --stat-bg: rgba(6, 182, 212, 0.2); --stat-color: var(--accent-400); }

/* ===========================================
   Location Card Icon Fix
   =========================================== */
.location-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    flex-shrink: 0;
    background: var(--neutral-100);
    color: var(--neutral-600);
}

[data-theme="dark"] .location-icon-wrapper {
    background: var(--neutral-700);
    color: var(--neutral-300);
}

/* ===========================================
   Archived/Past Reservation Style
   =========================================== */
.badge-status.archived {
    background: linear-gradient(135deg, var(--neutral-200), var(--neutral-100));
    color: var(--neutral-500);
    border: 1px solid var(--neutral-300);
}

[data-theme="dark"] .badge-status.archived {
    background: linear-gradient(135deg, rgba(100, 116, 139, 0.2), rgba(100, 116, 139, 0.1));
    color: var(--neutral-400);
    border-color: rgba(100, 116, 139, 0.3);
}

.reservation-archived {
    opacity: 0.7;
}

.reservation-archived:hover {
    opacity: 1;
}

/* ===========================================
   Detail Icon Wrappers (for reservation details)
   =========================================== */
.detail-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: var(--text-base);
}

.detail-icon-primary {
    background: var(--primary-100);
    color: var(--primary-600);
}

.detail-icon-info {
    background: var(--accent-100);
    color: var(--accent-600);
}

.detail-icon-success {
    background: var(--success-100);
    color: var(--success-600);
}

.detail-icon-warning {
    background: var(--warning-100);
    color: var(--warning-700);
}

.detail-icon-danger {
    background: var(--danger-100);
    color: var(--danger-600);
}

.detail-icon-secondary {
    background: var(--neutral-200);
    color: var(--neutral-600);
}

/* Detail Icon Wrappers in Dark Mode */
[data-theme="dark"] .detail-icon-primary {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-400);
}

[data-theme="dark"] .detail-icon-info {
    background: rgba(6, 182, 212, 0.2);
    color: var(--accent-400);
}

[data-theme="dark"] .detail-icon-success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success-400);
}

[data-theme="dark"] .detail-icon-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-400);
}

[data-theme="dark"] .detail-icon-danger {
    background: rgba(244, 63, 94, 0.2);
    color: var(--danger-400);
}

[data-theme="dark"] .detail-icon-secondary {
    background: var(--neutral-700);
    color: var(--neutral-400);
}

/* ===========================================
   Audit Log Styles
   =========================================== */
.audit-log-list {
    display: flex;
    flex-direction: column;
}

.audit-log-item {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

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

.audit-log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.audit-log-user {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.audit-log-comment {
    font-size: var(--text-sm);
    color: var(--text-primary);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-top: var(--space-2);
}

[data-theme="dark"] .audit-log-item {
    border-color: var(--neutral-700);
}

[data-theme="dark"] .audit-log-comment {
    background: var(--neutral-700);
}

/* ===========================================
   Dashboard Stats Grid (new modern layout)
   =========================================== */
.dashboard-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
}

.dashboard-stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.dashboard-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--stat-color, var(--primary-500));
}

.dashboard-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--stat-color, var(--primary-300));
    text-decoration: none;
}

.dashboard-stat-card:hover .dashboard-stat-arrow {
    transform: translateX(4px);
    opacity: 1;
}

.dashboard-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--stat-bg, var(--primary-100));
    color: var(--stat-color, var(--primary-600));
    flex-shrink: 0;
}

.dashboard-stat-content {
    flex: 1;
    min-width: 0;
}

.dashboard-stat-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.dashboard-stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: var(--space-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dashboard-stat-arrow {
    color: var(--text-tertiary);
    font-size: var(--text-lg);
    opacity: 0.5;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

/* Color variations */
.dashboard-stat-card.primary { --stat-color: var(--primary-500); --stat-bg: var(--primary-100); }
.dashboard-stat-card.success { --stat-color: var(--success-500); --stat-bg: var(--success-100); }
.dashboard-stat-card.warning { --stat-color: var(--warning-600); --stat-bg: var(--warning-100); }
.dashboard-stat-card.danger { --stat-color: var(--danger-500); --stat-bg: var(--danger-100); }
.dashboard-stat-card.info { --stat-color: var(--accent-600); --stat-bg: var(--accent-100); }

/* Badge indicator for pending items */
.dashboard-stat-card.has-badge .dashboard-stat-icon::after {
    content: '';
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 12px;
    height: 12px;
    background: var(--danger-500);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* Dark mode */
[data-theme="dark"] .dashboard-stat-card {
    background: var(--bg-secondary);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .dashboard-stat-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--stat-color);
}

[data-theme="dark"] .dashboard-stat-card.primary { --stat-bg: rgba(59, 130, 246, 0.2); --stat-color: var(--primary-400); }
[data-theme="dark"] .dashboard-stat-card.success { --stat-bg: rgba(34, 197, 94, 0.2); --stat-color: var(--success-400); }
[data-theme="dark"] .dashboard-stat-card.warning { --stat-bg: rgba(245, 158, 11, 0.2); --stat-color: var(--warning-400); }
[data-theme="dark"] .dashboard-stat-card.danger { --stat-bg: rgba(244, 63, 94, 0.2); --stat-color: var(--danger-400); }
[data-theme="dark"] .dashboard-stat-card.info { --stat-bg: rgba(6, 182, 212, 0.2); --stat-color: var(--accent-400); }

[data-theme="dark"] .dashboard-stat-value {
    color: var(--text-primary);
}

[data-theme="dark"] .dashboard-stat-arrow {
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-stat-card {
        padding: var(--space-4);
    }
    
    .dashboard-stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .dashboard-stat-value {
        font-size: var(--text-2xl);
    }
}

/* ===========================================
   Confirm Modal Styles
   =========================================== */
.confirm-modal-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto;
}

.confirm-modal-icon.danger {
    background: var(--danger-100);
    color: var(--danger-500);
}

.confirm-modal-icon.warning {
    background: var(--warning-100);
    color: var(--warning-600);
}

.confirm-modal-icon.success {
    background: var(--success-100);
    color: var(--success-500);
}

.confirm-modal-icon.primary {
    background: var(--primary-100);
    color: var(--primary-500);
}

[data-theme="dark"] .confirm-modal-icon.danger {
    background: rgba(244, 63, 94, 0.2);
    color: var(--danger-400);
}

[data-theme="dark"] .confirm-modal-icon.warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-400);
}

[data-theme="dark"] .confirm-modal-icon.success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success-400);
}

[data-theme="dark"] .confirm-modal-icon.primary {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-400);
}

#confirmModal .modal-content {
    border-radius: var(--radius-xl);
    border: none;
    box-shadow: var(--shadow-xl);
}

#confirmModal .modal-header {
    padding: var(--space-6) var(--space-6) var(--space-2);
}

#confirmModal .modal-body {
    padding: var(--space-4) var(--space-6);
}

#confirmModal .modal-footer {
    padding: var(--space-4) var(--space-6) var(--space-6);
}

#confirmModal .btn-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
}

/* ===========================================
   Language Switcher
   =========================================== */
.sidebar-lang-switcher {
    padding: var(--space-2) var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-lang-switcher .lang-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--neutral-300);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-lang-switcher .lang-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-inverse);
}

.sidebar-lang-switcher .lang-toggle i:first-child {
    font-size: 1rem;
}

.sidebar-lang-switcher .lang-toggle span {
    flex: 1;
    text-align: left;
}

.sidebar-lang-switcher .dropdown-menu {
    min-width: 140px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-1);
}

.sidebar-lang-switcher .dropdown-item {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.sidebar-lang-switcher .dropdown-item:hover {
    background: var(--bg-tertiary);
}

.sidebar-lang-switcher .dropdown-item.active {
    background: var(--primary-50);
    color: var(--primary-600);
    font-weight: 500;
}

/* Collapsed sidebar language switcher */
.sidebar.collapsed .sidebar-lang-switcher .lang-toggle span,
.sidebar.collapsed .sidebar-lang-switcher .lang-toggle i:last-child {
    display: none;
}

.sidebar.collapsed .sidebar-lang-switcher .lang-toggle {
    justify-content: center;
    padding: var(--space-2);
}

/* Login page language switcher */
.login-lang-switcher {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
}

.login-lang-switcher .dropdown-menu {
    min-width: 120px;
}

.login-page {
    position: relative;
}

/* Dark theme adjustments */
[data-theme="dark"] .sidebar-lang-switcher .dropdown-menu {
    background: var(--neutral-800);
    border-color: var(--neutral-700);
}

[data-theme="dark"] .sidebar-lang-switcher .dropdown-item {
    color: var(--neutral-200);
}

[data-theme="dark"] .sidebar-lang-switcher .dropdown-item:hover {
    background: var(--neutral-700);
}

[data-theme="dark"] .sidebar-lang-switcher .dropdown-item.active {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-400);
}