/* ============================================
   TEKNIK SERVIS - MODERN UI DESIGN SYSTEM
   Version: 2.0
   ============================================ */

:root {
    /* ==========================================
       COLOR PALETTE - Light Mode
       ========================================== */
    
    /* Primary Colors - Sky Blue */
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;
    
    /* Neutral Colors */
    --neutral-0: #ffffff;
    --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;
    
    /* Success Colors - Green */
    --success-50: #ecfdf5;
    --success-100: #d1fae5;
    --success-200: #a7f3d0;
    --success-500: #10b981;
    --success-600: #059669;
    --success-700: #047857;
    
    /* Danger Colors - Rose */
    --danger-50: #fff1f2;
    --danger-100: #ffe4e6;
    --danger-200: #fecdd3;
    --danger-500: #f43f5e;
    --danger-600: #e11d48;
    --danger-700: #be123c;
    
    /* Warning Colors - Amber */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    
    /* Info Colors - Cyan */
    --info-50: #ecfeff;
    --info-100: #cffafe;
    --info-200: #a5f3fc;
    --info-500: #06b6d4;
    --info-600: #0891b2;
    --info-700: #0e7490;
    
    /* Secondary Colors - Purple */
    --secondary-50: #faf5ff;
    --secondary-100: #f3e8ff;
    --secondary-500: #a855f7;
    --secondary-600: #9333ea;
    
    /* ==========================================
       SEMANTIC COLORS - Light Mode
       ========================================== */
    --background: var(--neutral-50);
    --surface: var(--neutral-0);
    --surface-elevated: var(--neutral-0);
    --surface-variant: var(--neutral-100);
    --on-surface: var(--neutral-900);
    --on-surface-variant: var(--neutral-600);
    --on-surface-muted: var(--neutral-500);
    --outline: var(--neutral-300);
    --outline-variant: var(--neutral-200);
    
    /* Component Specific */
    --card-bg: var(--neutral-0);
    --card-border: var(--neutral-200);
    --table-bg: var(--neutral-0);
    --table-header-bg: var(--neutral-100);
    --table-hover-bg: var(--primary-50);
    --table-stripe-bg: var(--neutral-50);
    --input-bg: var(--neutral-0);
    --input-border: var(--neutral-300);
    --modal-bg: var(--neutral-0);
    --modal-overlay: rgba(15, 23, 42, 0.5);
    --dropdown-bg: var(--neutral-0);
    --dropdown-hover: var(--neutral-100);
    --tooltip-bg: var(--neutral-800);
    --tooltip-text: var(--neutral-0);
    
    /* ==========================================
       GRADIENTS
       ========================================== */
    --primary-gradient: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    --primary-gradient-hover: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-500) 100%);
    --success-gradient: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
    --danger-gradient: linear-gradient(135deg, var(--danger-500) 0%, var(--danger-600) 100%);
    --warning-gradient: linear-gradient(135deg, var(--warning-500) 0%, var(--warning-600) 100%);
    --info-gradient: linear-gradient(135deg, var(--info-500) 0%, var(--info-600) 100%);
    --surface-gradient: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.95) 100%);
    --glass-gradient: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    
    /* ==========================================
       TYPOGRAPHY
       ========================================== */
    --font-family-primary: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    
    /* ==========================================
       SPACING
       ========================================== */
    --space-0: 0;
    --space-1: 0.25rem;    /* 4px */
    --space-2: 0.5rem;     /* 8px */
    --space-3: 0.75rem;    /* 12px */
    --space-4: 1rem;       /* 16px */
    --space-5: 1.25rem;    /* 20px */
    --space-6: 1.5rem;     /* 24px */
    --space-8: 2rem;       /* 32px */
    --space-10: 2.5rem;    /* 40px */
    --space-12: 3rem;      /* 48px */
    --space-16: 4rem;      /* 64px */
    --space-20: 5rem;      /* 80px */
    --space-24: 6rem;      /* 96px */
    
    /* ==========================================
       BORDER RADIUS
       ========================================== */
    --radius-none: 0;
    --radius-sm: 0.25rem;     /* 4px */
    --radius-md: 0.375rem;    /* 6px */
    --radius-lg: 0.5rem;      /* 8px */
    --radius-xl: 0.75rem;     /* 12px */
    --radius-2xl: 1rem;       /* 16px */
    --radius-3xl: 1.5rem;     /* 24px */
    --radius-full: 9999px;
    
    /* ==========================================
       SHADOWS
       ========================================== */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    --shadow-primary: 0 4px 14px 0 rgba(14, 165, 233, 0.3);
    --shadow-success: 0 4px 14px 0 rgba(16, 185, 129, 0.3);
    --shadow-danger: 0 4px 14px 0 rgba(244, 63, 94, 0.3);
    --shadow-warning: 0 4px 14px 0 rgba(245, 158, 11, 0.3);
    
    /* ==========================================
       EFFECTS
       ========================================== */
    --glass-backdrop: blur(12px) saturate(180%);
    --glass-border: 1px solid rgba(255, 255, 255, 0.18);
    
    /* ==========================================
       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-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* ==========================================
       Z-INDEX SCALE
       ========================================== */
    --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
   ============================================ */
[data-theme="dark"] {
    /* Background Colors */
    --background: var(--neutral-950);
    --surface: var(--neutral-900);
    --surface-elevated: var(--neutral-800);
    --surface-variant: var(--neutral-800);
    --on-surface: var(--neutral-100);
    --on-surface-variant: var(--neutral-400);
    --on-surface-muted: var(--neutral-500);
    --outline: var(--neutral-700);
    --outline-variant: var(--neutral-800);
    
    /* Component Specific */
    --card-bg: var(--neutral-900);
    --card-border: var(--neutral-800);
    --table-bg: var(--neutral-900);
    --table-header-bg: var(--neutral-800);
    --table-hover-bg: rgba(14, 165, 233, 0.1);
    --table-stripe-bg: var(--neutral-800);
    --input-bg: var(--neutral-800);
    --input-border: var(--neutral-700);
    --modal-bg: var(--neutral-900);
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --dropdown-bg: var(--neutral-800);
    --dropdown-hover: var(--neutral-700);
    --tooltip-bg: var(--neutral-700);
    --tooltip-text: var(--neutral-100);
    
    /* Gradients for Dark Mode */
    --surface-gradient: linear-gradient(145deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    --glass-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    
    /* Adjusted Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    
    /* Adjusted Color Shades for Dark Mode */
    --primary-50: rgba(14, 165, 233, 0.1);
    --success-50: rgba(16, 185, 129, 0.1);
    --danger-50: rgba(244, 63, 94, 0.1);
    --warning-50: rgba(245, 158, 11, 0.1);
    --info-50: rgba(6, 182, 212, 0.1);
}

/* ============================================
   BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--on-surface);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* ============================================
   LAYOUT
   ============================================ */
.app-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    flex: 1;
    padding: var(--space-6) 0;
    min-height: calc(100vh - 180px);
}

.container-fluid {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
    max-width: 1920px;
    margin: 0 auto;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
    position: relative;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

/* Disable hover transform for cards inside tables or with data */
.card:not(.card-interactive):hover {
    transform: none;
}

.card.card-interactive:hover {
    transform: translateY(-2px);
}

.card-header {
    background: var(--surface-variant);
    color: var(--on-surface);
    border-bottom: 1px solid var(--card-border);
    padding: var(--space-4) var(--space-5);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
}

.card-header h4, .card-header h5, .card-header h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
}

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

.card-footer {
    background: var(--surface-variant);
    border-top: 1px solid var(--card-border);
    padding: var(--space-4) var(--space-5);
}

/* Status Cards */
.status-card {
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    color: var(--neutral-0);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.status-card.primary { background: var(--primary-gradient); }
.status-card.success { background: var(--success-gradient); }
.status-card.danger { background: var(--danger-gradient); }
.status-card.warning { background: var(--warning-gradient); color: var(--neutral-900); }
.status-card.info { background: var(--info-gradient); }

.status-card .icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-3);
    opacity: 0.9;
}

.status-card .value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

.status-card .label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-top: var(--space-1);
}

/* ============================================
   TABLES
   ============================================ */
.table {
    width: 100%;
    background: var(--table-bg);
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: var(--space-4);
}

.table thead th {
    background: var(--table-header-bg);
    color: var(--on-surface);
    border-bottom: 2px solid var(--card-border);
    padding: var(--space-3) var(--space-4);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    white-space: nowrap;
    text-align: left;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--card-border);
}

.table tbody tr:hover {
    background-color: var(--table-hover-bg);
}

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

.table td {
    padding: var(--space-3) var(--space-4);
    color: var(--on-surface-variant);
    font-size: var(--font-size-sm);
    vertical-align: middle;
    border-bottom: 1px solid var(--card-border);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--table-stripe-bg);
}

.table-bordered {
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table-bordered th,
.table-bordered td {
    border: 1px solid var(--card-border);
}

.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
}

/* Mobile Card View for Tables */
@media (max-width: 768px) {
    .table-mobile-cards thead {
        display: none;
    }
    
    .table-mobile-cards tbody tr {
        display: block;
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: var(--radius-lg);
        margin-bottom: var(--space-3);
        padding: var(--space-3);
        box-shadow: var(--shadow-sm);
    }
    
    .table-mobile-cards tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-2) var(--space-3);
        border: none;
        border-bottom: 1px solid var(--card-border);
    }
    
    .table-mobile-cards tbody td:last-child {
        border-bottom: none;
    }
    
    .table-mobile-cards tbody td::before {
        content: attr(data-label);
        font-weight: var(--font-weight-semibold);
        color: var(--on-surface);
        font-size: var(--font-size-xs);
        text-transform: uppercase;
        letter-spacing: var(--letter-spacing-wider);
        margin-right: var(--space-2);
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    min-height: 44px; /* Touch target */
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-100);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Sizes */
.btn-xs {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    min-height: 28px;
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
    min-height: 36px;
    border-radius: var(--radius-md);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    min-height: 52px;
    border-radius: var(--radius-xl);
}

/* Primary Button */
.btn-primary {
    background: var(--primary-gradient);
    color: var(--neutral-0);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

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

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

/* Outline Primary */
.btn-outline-primary {
    background: transparent;
    color: var(--primary-500);
    border-color: var(--primary-500);
}

.btn-outline-primary:hover {
    background: var(--primary-50);
    color: var(--primary-600);
    border-color: var(--primary-600);
}

/* Success Button */
.btn-success {
    background: var(--success-gradient);
    color: var(--neutral-0);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

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

/* Outline Success */
.btn-outline-success {
    background: transparent;
    color: var(--success-500);
    border-color: var(--success-500);
}

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

/* Danger Button */
.btn-danger {
    background: var(--danger-gradient);
    color: var(--neutral-0);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

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

/* Outline Danger */
.btn-outline-danger {
    background: transparent;
    color: var(--danger-500);
    border-color: var(--danger-500);
}

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

/* Warning Button */
.btn-warning {
    background: var(--warning-gradient);
    color: var(--neutral-900);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

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

/* Outline Warning */
.btn-outline-warning {
    background: transparent;
    color: var(--warning-600);
    border-color: var(--warning-500);
}

.btn-outline-warning:hover {
    background: var(--warning-50);
    color: var(--warning-700);
    border-color: var(--warning-600);
}

/* Info Button */
.btn-info {
    background: var(--info-gradient);
    color: var(--neutral-0);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.btn-info:hover {
    transform: translateY(-1px);
}

/* Outline Info */
.btn-outline-info {
    background: transparent;
    color: var(--info-500);
    border-color: var(--info-500);
}

.btn-outline-info:hover {
    background: var(--info-50);
    color: var(--info-600);
    border-color: var(--info-600);
}

/* Secondary Button */
.btn-secondary {
    background: var(--neutral-200);
    color: var(--neutral-700);
    border-color: transparent;
}

[data-theme="dark"] .btn-secondary {
    background: var(--neutral-700);
    color: var(--neutral-200);
}

.btn-secondary:hover {
    background: var(--neutral-300);
    color: var(--neutral-800);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--neutral-600);
    color: var(--neutral-100);
}

/* Outline Secondary */
.btn-outline-secondary {
    background: transparent;
    color: var(--neutral-600);
    border-color: var(--neutral-300);
}

[data-theme="dark"] .btn-outline-secondary {
    color: var(--neutral-400);
    border-color: var(--neutral-600);
}

.btn-outline-secondary:hover {
    background: var(--neutral-100);
    color: var(--neutral-700);
    border-color: var(--neutral-400);
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background: var(--neutral-800);
    color: var(--neutral-300);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--on-surface-variant);
    border-color: var(--card-border);
}

.btn-ghost:hover {
    background: var(--surface-variant);
    color: var(--on-surface);
    border-color: var(--outline);
}

/* Link Button */
.btn-link {
    background: transparent;
    color: var(--primary-500);
    border-color: transparent;
    padding: 0;
    min-height: auto;
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--primary-600);
}

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

.btn.is-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btn-spinner 0.6s linear infinite;
}

.btn-primary.is-loading::after,
.btn-success.is-loading::after,
.btn-danger.is-loading::after,
.btn-info.is-loading::after {
    border-color: rgba(255, 255, 255, 0.3);
    border-right-color: white;
}

@keyframes btn-spinner {
    to { transform: rotate(360deg); }
}

/* Button Group */
.btn-group {
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.btn-group .btn {
    border-radius: var(--radius-md);
}

/* ============================================
   FORMS
   ============================================ */
.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface);
}

.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--on-surface);
    background-color: var(--input-bg);
    border: 2px solid var(--input-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    min-height: 44px; /* Touch target */
}

.form-control:hover,
.form-select:hover {
    border-color: var(--primary-300);
}

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

.form-control::placeholder {
    color: var(--on-surface-muted);
}

.form-control:disabled,
.form-select:disabled {
    background-color: var(--surface-variant);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Form Control Sizes */
.form-control-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
    min-height: 36px;
}

.form-control-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-base);
    min-height: 52px;
}

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

/* Select */
.form-select {
    padding-right: var(--space-10);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 16px 12px;
    appearance: none;
}

[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

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

.input-group .form-control {
    flex: 1;
    border-radius: 0;
}

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

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

.input-group .form-control:not(:first-child):not(:last-child) {
    border-radius: 0;
}

.input-group .form-control:not(:last-child) {
    border-right: none;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    color: var(--on-surface-variant);
    background-color: var(--surface-variant);
    border: 2px solid var(--input-border);
    white-space: nowrap;
}

.input-group-text:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    border-right: none;
}

.input-group-text:last-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    border-left: none;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px; /* Touch target */
    padding-left: 0;
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary-500);
}

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

/* Form Validation States */
.is-valid {
    border-color: var(--success-500) !important;
}

.is-valid:focus {
    box-shadow: 0 0 0 3px var(--success-100) !important;
}

.is-invalid {
    border-color: var(--danger-500) !important;
}

.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--danger-100) !important;
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--danger-500);
}

.is-invalid ~ .invalid-feedback {
    display: block;
}

.valid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--success-500);
}

.is-valid ~ .valid-feedback {
    display: block;
}

/* Form Group */
.form-group,
.mb-3 {
    margin-bottom: var(--space-4);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    border-radius: var(--radius-full);
    white-space: nowrap;
    vertical-align: middle;
}

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

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

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

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

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

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

[data-theme="dark"] .badge.bg-primary {
    background-color: rgba(14, 165, 233, 0.2) !important;
    color: var(--primary-300) !important;
}

[data-theme="dark"] .badge.bg-success {
    background-color: rgba(16, 185, 129, 0.2) !important;
    color: var(--success-200) !important;
}

[data-theme="dark"] .badge.bg-danger {
    background-color: rgba(244, 63, 94, 0.2) !important;
    color: var(--danger-200) !important;
}

[data-theme="dark"] .badge.bg-warning {
    background-color: rgba(245, 158, 11, 0.2) !important;
    color: var(--warning-200) !important;
}

[data-theme="dark"] .badge.bg-info {
    background-color: rgba(6, 182, 212, 0.2) !important;
    color: var(--info-200) !important;
}

[data-theme="dark"] .badge.bg-secondary {
    background-color: var(--neutral-700) !important;
    color: var(--neutral-300) !important;
}

/* Solid Badges */
.badge-solid.bg-primary {
    background-color: var(--primary-500) !important;
    color: var(--neutral-0) !important;
}

.badge-solid.bg-success {
    background-color: var(--success-500) !important;
    color: var(--neutral-0) !important;
}

.badge-solid.bg-danger {
    background-color: var(--danger-500) !important;
    color: var(--neutral-0) !important;
}

.badge-solid.bg-warning {
    background-color: var(--warning-500) !important;
    color: var(--neutral-900) !important;
}

.badge-solid.bg-info {
    background-color: var(--info-500) !important;
    color: var(--neutral-0) !important;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    position: relative;
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
}

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

.alert-dismissible .btn-close {
    position: absolute;
    top: 50%;
    right: var(--space-4);
    transform: translateY(-50%);
    padding: var(--space-2);
}

.alert-primary {
    background-color: var(--primary-50);
    border-color: var(--primary-200);
    color: var(--primary-700);
}

.alert-success {
    background-color: var(--success-50);
    border-color: var(--success-200);
    color: var(--success-700);
}

.alert-danger {
    background-color: var(--danger-50);
    border-color: var(--danger-200);
    color: var(--danger-700);
}

.alert-warning {
    background-color: var(--warning-50);
    border-color: var(--warning-200);
    color: var(--warning-700);
}

.alert-info {
    background-color: var(--info-50);
    border-color: var(--info-200);
    color: var(--info-700);
}

[data-theme="dark"] .alert-primary {
    background-color: rgba(14, 165, 233, 0.1);
    border-color: rgba(14, 165, 233, 0.3);
    color: var(--primary-300);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--success-200);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(244, 63, 94, 0.1);
    border-color: rgba(244, 63, 94, 0.3);
    color: var(--danger-200);
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--warning-200);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
    color: var(--info-200);
}

/* ============================================
   DROPDOWNS
   ============================================ */
.dropdown-menu {
    position: absolute;
    z-index: var(--z-dropdown);
    min-width: 200px;
    padding: var(--space-2);
    background-color: var(--dropdown-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--dropdown-hover);
    color: var(--primary-600);
}

.dropdown-item.active {
    background-color: var(--primary-50);
    color: var(--primary-600);
}

[data-theme="dark"] .dropdown-item.active {
    background-color: rgba(14, 165, 233, 0.2);
}

.dropdown-item i {
    width: 16px;
    text-align: center;
    color: var(--on-surface-variant);
}

.dropdown-divider {
    height: 1px;
    margin: var(--space-2) 0;
    background-color: var(--card-border);
    border: none;
}

.dropdown-header {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--on-surface-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

/* ============================================
   MODALS
   ============================================ */
.modal {
    z-index: var(--z-modal);
}

.modal-backdrop {
    z-index: var(--z-modal-backdrop);
    background-color: var(--modal-overlay);
}

.modal-content {
    background-color: var(--modal-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--card-border);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--on-surface);
}

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

.modal-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

.btn-close {
    background: transparent;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

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

/* ============================================
   NAVBAR
   ============================================ */
.glass-navbar {
    background: var(--surface-gradient);
    backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    min-height: 64px;
    padding: var(--space-2) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: var(--font-weight-bold);
    color: var(--primary-500) !important;
    text-decoration: none;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.brand-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--on-surface);
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface-variant) !important;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--primary-50);
    color: var(--primary-600) !important;
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    background-color: rgba(14, 165, 233, 0.15);
}

/* Nav Text (responsive) */
.nav-text {
    display: none;
}

@media (min-width: 1200px) {
    .nav-text {
        display: inline;
        margin-left: var(--space-1);
    }
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--danger-500);
    color: white;
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: var(--shadow-danger);
    animation: pulse 2s infinite;
}

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

/* User Menu */
.user-menu {
    padding: var(--space-2) !important;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast);
}

.user-menu:hover .user-avatar {
    transform: scale(1.05);
}

.user-dropdown {
    min-width: 200px;
}

.user-info {
    padding: var(--space-3) var(--space-4);
    text-align: center;
    background: var(--surface-variant);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-2);
}

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

.user-role {
    font-size: var(--font-size-xs);
    color: var(--on-surface-muted);
    text-transform: capitalize;
}

.logout-item {
    color: var(--danger-500) !important;
}

.logout-item:hover {
    background-color: var(--danger-50) !important;
    color: var(--danger-600) !important;
}

/* Compact Menu */
.compact-menu {
    min-width: 180px;
}

.compact-menu .dropdown-header {
    padding: var(--space-2) var(--space-3);
}

.compact-menu .dropdown-item {
    padding: var(--space-2) var(--space-3);
}

/* System Toggle */
.system-toggle {
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-3);
}

/* System Menu */
.system-menu {
    display: none;
}

.system-menu.active {
    display: flex;
    align-items: center;
}

/* Navbar Controls */
.navbar-controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ============================================
   FOOTER
   ============================================ */
.modern-footer {
    background: var(--surface-gradient);
    border-top: 1px solid var(--card-border);
    padding: var(--space-4) 0;
    backdrop-filter: var(--glass-backdrop);
    margin-top: auto;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--on-surface-variant);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.footer-info {
    color: var(--on-surface-muted);
    font-size: var(--font-size-xs);
}

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

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding: var(--space-4) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--primary-gradient);
}

.timeline-item {
    position: relative;
    padding-left: 40px;
    margin-bottom: var(--space-5);
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--surface);
    border: 3px solid var(--primary-500);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.2);
    border-color: var(--primary-400);
}

.timeline-content {
    background: var(--card-bg);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-item:hover .timeline-content {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-1);
    list-style: none;
    padding: 0;
    margin: var(--space-4) 0;
}

.page-item {
    display: flex;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface-variant);
    background: var(--surface);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--primary-50);
    border-color: var(--primary-300);
    color: var(--primary-600);
}

.page-item.active .page-link {
    background: var(--primary-gradient);
    border-color: var(--primary-500);
    color: white;
}

.page-item.disabled .page-link {
    color: var(--on-surface-muted);
    pointer-events: none;
    opacity: 0.5;
}

[data-theme="dark"] .page-link:hover {
    background: rgba(14, 165, 233, 0.15);
}

/* ============================================
   ACCORDION
   ============================================ */
.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-button {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--on-surface);
    background: var(--surface);
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.accordion-button:hover {
    background: var(--surface-variant);
}

.accordion-button:not(.collapsed) {
    background: var(--primary-gradient);
    color: white;
}

.accordion-button::after {
    content: '';
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-left: auto;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2364748b'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-size: 16px;
    transition: transform var(--transition-base);
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transform: rotate(-180deg);
}

.accordion-body {
    padding: var(--space-5);
    border-top: 1px solid var(--card-border);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin-bottom: var(--space-4);
    list-style: none;
    font-size: var(--font-size-sm);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    padding: 0 var(--space-2);
    color: var(--on-surface-muted);
}

.breadcrumb-item a {
    color: var(--on-surface-variant);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--primary-500);
}

.breadcrumb-item.active {
    color: var(--on-surface);
    font-weight: var(--font-weight-medium);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    z-index: var(--z-toast);
    pointer-events: none;
}

.toast-container.top-right {
    top: var(--space-4);
    right: var(--space-4);
}

.toast-container.bottom-right {
    bottom: var(--space-4);
    right: var(--space-4);
}

.toast-container.top-left {
    top: var(--space-4);
    left: var(--space-4);
}

.toast-container.bottom-left {
    bottom: var(--space-4);
    left: var(--space-4);
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 300px;
    max-width: 400px;
    padding: var(--space-4);
    margin-bottom: var(--space-2);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: toast-slide-in 0.3s ease-out;
}

.toast.toast-success {
    border-left: 4px solid var(--success-500);
}

.toast.toast-danger {
    border-left: 4px solid var(--danger-500);
}

.toast.toast-warning {
    border-left: 4px solid var(--warning-500);
}

.toast.toast-info {
    border-left: 4px solid var(--info-500);
}

.toast-icon {
    font-size: var(--font-size-xl);
}

.toast-success .toast-icon { color: var(--success-500); }
.toast-danger .toast-icon { color: var(--danger-500); }
.toast-warning .toast-icon { color: var(--warning-500); }
.toast-info .toast-icon { color: var(--info-500); }

.toast-body {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--on-surface);
}

.toast-close {
    background: none;
    border: none;
    padding: var(--space-1);
    cursor: pointer;
    color: var(--on-surface-muted);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

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

@keyframes toast-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.toast-exit {
    animation: toast-slide-out 0.2s ease-in forwards;
}

@keyframes toast-slide-out {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Text Colors */
.text-primary { color: var(--primary-500) !important; }
.text-success { color: var(--success-500) !important; }
.text-danger { color: var(--danger-500) !important; }
.text-warning { color: var(--warning-600) !important; }
.text-info { color: var(--info-500) !important; }
.text-muted { color: var(--on-surface-muted) !important; }

/* Background Colors */
.bg-primary { background-color: var(--primary-500) !important; }
.bg-success { background-color: var(--success-500) !important; }
.bg-danger { background-color: var(--danger-500) !important; }
.bg-warning { background-color: var(--warning-500) !important; }
.bg-info { background-color: var(--info-500) !important; }

/* Background Opacity */
.bg-primary.bg-opacity-10 { background-color: var(--primary-50) !important; }
.bg-success.bg-opacity-10 { background-color: var(--success-50) !important; }
.bg-danger.bg-opacity-10 { background-color: var(--danger-50) !important; }
.bg-warning.bg-opacity-10 { background-color: var(--warning-50) !important; }
.bg-info.bg-opacity-10 { background-color: var(--info-50) !important; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-none { box-shadow: none !important; }

/* Border Radius */
.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Clickable Elements */
.clickable {
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    animation: fade-in 0.3s ease-out;
}

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slide-in 0.3s ease-out;
}

@keyframes slide-in {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Staggered Animation */
.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; }

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface-variant) 25%,
        var(--surface-elevated) 50%,
        var(--surface-variant) 75%
    );
    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; }
}

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

::-webkit-scrollbar-track {
    background: var(--surface-variant);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--neutral-400);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-500);
}

/* ============================================
   FOCUS STATES
   ============================================ */
*:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.btn:focus-visible {
    outline-offset: 3px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .glass-navbar,
    .modern-footer,
    .btn,
    .toast-container {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    .container-fluid {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

/* Desktop (992px - 1199px) */
@media (max-width: 1199.98px) {
    .nav-link span {
        display: none !important;
    }
    
    .nav-link {
        padding: var(--space-2);
    }
}

/* Tablet (768px - 991px) */
@media (max-width: 991.98px) {
    .glass-navbar {
        min-height: 60px;
    }
    
    .brand-icon {
        width: 36px;
        height: 36px;
        font-size: var(--font-size-base);
    }
    
    .brand-title {
        font-size: var(--font-size-base);
    }
    
    .content-wrapper {
        padding: var(--space-4) 0;
    }
    
    .container-fluid {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }
    
    .status-card {
        padding: var(--space-4);
    }
    
    .status-card .icon {
        font-size: var(--font-size-2xl);
    }
    
    .status-card .value {
        font-size: var(--font-size-xl);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile Large (576px - 767px) */
@media (max-width: 767.98px) {
    .content-wrapper {
        padding: var(--space-3) 0;
        min-height: calc(100vh - 140px);
    }
    
    .container-fluid {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
    
    .card {
        border-radius: var(--radius-lg);
        margin-bottom: var(--space-3);
    }
    
    .card-header {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-sm);
    }
    
    .card-body {
        padding: var(--space-4);
    }
    
    .table td,
    .table th {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-xs);
    }
    
    .btn {
        padding: var(--space-2) var(--space-4);
        font-size: var(--font-size-xs);
    }
    
    .btn-lg {
        padding: var(--space-3) var(--space-5);
        font-size: var(--font-size-sm);
    }
    
    .navbar-brand .brand-text {
        display: none;
    }
    
    .modal-dialog {
        margin: var(--space-3);
    }
    
    .dropdown-menu {
        min-width: 180px;
        max-width: calc(100vw - var(--space-6));
    }
}

/* Mobile Small (< 576px) */
@media (max-width: 575.98px) {
    .content-wrapper {
        padding: var(--space-2) 0;
    }
    
    .container-fluid {
        padding-left: var(--space-2);
        padding-right: var(--space-2);
    }
    
    .card {
        border-radius: var(--radius-md);
    }
    
    .status-card {
        padding: var(--space-3);
        text-align: center;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        border-radius: var(--radius-md) !important;
    }
    
    .navbar-controls {
        gap: var(--space-1);
    }
    
    .navbar-controls .btn {
        padding: var(--space-2);
    }
    
    .pagination {
        gap: 2px;
    }
    
    .page-link {
        min-width: 36px;
        min-height: 36px;
        padding: var(--space-1) var(--space-2);
        font-size: var(--font-size-xs);
    }
    
    .toast {
        min-width: auto;
        max-width: calc(100vw - var(--space-8));
        margin-left: var(--space-4);
        margin-right: var(--space-4);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --outline: #000000;
        --outline-variant: #333333;
    }
    
    .card,
    .btn,
    .form-control,
    .form-select {
        border-width: 2px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .card:hover,
    .btn:hover,
    .clickable:hover {
        transform: none !important;
    }
}

/* ============================================
   SELECT2 OVERRIDES (Third-party)
   ============================================ */
.select2-container {
    width: 100% !important;
}

.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    min-height: 44px;
    border: 2px solid var(--input-border);
    border-radius: var(--radius-lg);
    background-color: var(--input-bg);
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--on-surface);
    line-height: 40px;
    padding-left: var(--space-4);
}

.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: var(--primary-100);
    border: none;
    color: var(--primary-700);
    border-radius: var(--radius-md);
    padding: var(--space-1) var(--space-2);
}

[data-theme="dark"] .select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: rgba(14, 165, 233, 0.2);
    color: var(--primary-300);
}

.select2-dropdown {
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    background-color: var(--dropdown-bg);
    box-shadow: var(--shadow-lg);
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--primary-500);
}

/* ============================================
   DATATABLES OVERRIDES (Third-party)
   ============================================ */
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    color: var(--on-surface-variant);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background-color: var(--input-bg);
    border: 2px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--on-surface);
    padding: var(--space-2) var(--space-3);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    background: var(--surface);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: var(--on-surface-variant) !important;
    padding: var(--space-2) var(--space-3);
    margin: 0 2px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--primary-50) !important;
    border-color: var(--primary-300) !important;
    color: var(--primary-600) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--primary-gradient) !important;
    border-color: var(--primary-500) !important;
    color: white !important;
}

/* Log action badges */
.bg-create { background-color: var(--success-500) !important; color: white !important; }
.bg-update { background-color: var(--primary-500) !important; color: white !important; }
.bg-delete { background-color: var(--danger-500) !important; color: white !important; }
.bg-status_update { background-color: var(--info-500) !important; color: white !important; }
.bg-create_invoice { background-color: var(--secondary-500) !important; color: white !important; }
.bg-update_invoice { background-color: var(--warning-500) !important; color: var(--neutral-900) !important; }
.bg-invoice_deleted { background-color: var(--danger-500) !important; color: white !important; }
.bg-add_operation { background-color: var(--success-500) !important; color: white !important; }

/* Image Viewer */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    cursor: pointer;
}

.image-viewer img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

/* ============================================
   FORM SECTIONS & PAGE SPECIFIC
   ============================================ */
.form-section {
    background-color: var(--surface-variant);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
    border: 1px solid var(--card-border);
}

.form-section h5,
.form-section h6 {
    color: var(--on-surface);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--card-border);
}

.customer-type-selector {
    display: inline-block;
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-5);
    margin-bottom: var(--space-4);
    border: 1px solid var(--card-border);
}

/* Card header gradient overrides */
.card-header.bg-primary {
    background: var(--primary-gradient) !important;
}

.card-header.bg-success {
    background: var(--success-gradient) !important;
}

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

.card-header.bg-warning {
    background: var(--warning-gradient) !important;
}

.card-header.bg-info {
    background: var(--info-gradient) !important;
}

/* Ensure card-body uses proper dark mode colors */
.card-body {
    background-color: var(--card-bg);
    color: var(--on-surface);
}

/* Bootstrap bg-* overrides for dark mode compatibility */
[data-theme="dark"] .bg-light {
    background-color: var(--surface-variant) !important;
}

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

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

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

/* Shadow adjustments for dark mode */
[data-theme="dark"] .shadow,
[data-theme="dark"] .shadow-sm,
[data-theme="dark"] .shadow-lg {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4) !important;
}

/* Select2 dark mode full support */
[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection,
[data-theme="dark"] .select2-container--default .select2-selection--single,
[data-theme="dark"] .select2-container--default .select2-selection--multiple {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--on-surface) !important;
}

[data-theme="dark"] .select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered,
[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--on-surface) !important;
}

[data-theme="dark"] .select2-dropdown {
    background-color: var(--dropdown-bg) !important;
    border-color: var(--card-border) !important;
}

[data-theme="dark"] .select2-container--default .select2-results__option {
    color: var(--on-surface);
}

[data-theme="dark"] .select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--primary-500) !important;
    color: white !important;
}

[data-theme="dark"] .select2-container--default .select2-search--dropdown .select2-search__field {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--on-surface) !important;
}

/* Form text and labels dark mode */
[data-theme="dark"] .form-text {
    color: var(--on-surface-muted) !important;
}

/* Ensure all card elements have proper background */
[data-theme="dark"] .card,
[data-theme="dark"] .card-body,
[data-theme="dark"] .card-header,
[data-theme="dark"] .card-footer {
    background-color: var(--card-bg);
    color: var(--on-surface);
}

[data-theme="dark"] .card-header {
    background-color: var(--surface-variant);
    border-bottom-color: var(--card-border);
}

[data-theme="dark"] .card-footer {
    background-color: var(--surface-variant);
    border-top-color: var(--card-border);
}

/* Preserve gradient headers in dark mode */
[data-theme="dark"] .card-header.bg-primary,
[data-theme="dark"] .card-header.bg-success,
[data-theme="dark"] .card-header.bg-danger,
[data-theme="dark"] .card-header.bg-warning,
[data-theme="dark"] .card-header.bg-info {
    color: white;
}

[data-theme="dark"] .card-header.bg-warning {
    color: var(--neutral-900);
}