/*
 * Hotel Management System - Production CSS Framework
 * Version: 2.0.0
 * Author: MiniMax Agent
 * Description: Complete production-ready CSS framework for hotel management system
 */

/* ============================================================================
   1. CSS VARIABLES & DESIGN TOKENS
   ============================================================================ */

:root {
    /* Color Palette */
    --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;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-info: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    
    /* Gray Scale */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success-50: #ecfdf5;
    --success-100: #d1fae5;
    --success-200: #a7f3d0;
    --success-300: #6ee7b7;
    --success-400: #34d399;
    --success-500: #10b981;
    --success-600: #059669;
    --success-700: #047857;
    --success-800: #065f46;
    --success-900: #064e3b;
    
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --warning-700: #b45309;
    --warning-800: #92400e;
    --warning-900: #78350f;
    
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;
    --danger-800: #991b1b;
    --danger-900: #7f1d1d;
    
    --info-50: #f0f9ff;
    --info-100: #e0f2fe;
    --info-200: #bae6fd;
    --info-300: #7dd3fc;
    --info-400: #38bdf8;
    --info-500: #0ea5e9;
    --info-600: #0284c7;
    --info-700: #0369a1;
    --info-800: #075985;
    --info-900: #0c4a6e;
    
    /* Typography */
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, 'Liberation Mono', Menlo, 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;
    --font-weight-black: 900;
    
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Spacing */
    --space-px: 1px;
    --space-0: 0;
    --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;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border Radius */
    --border-radius-none: 0;
    --border-radius-sm: 0.125rem;
    --border-radius: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-2xl: 1rem;
    --border-radius-3xl: 1.5rem;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Transitions */
    --transition-none: none;
    --transition-all: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-colors: color 150ms cubic-bezier(0.4, 0, 0.2, 1), background-color 150ms cubic-bezier(0.4, 0, 0.2, 1), border-color 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-opacity: opacity 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-shadow: box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-transform: transform 150ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-Index Scale */
    --z-auto: auto;
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-60: 60;
    --z-70: 70;
    --z-80: 80;
    --z-90: 90;
    --z-100: 100;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

/* ============================================================================
   2. RESET & BASE STYLES
   ============================================================================ */

/* Modern CSS Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    line-height: var(--line-height-normal);
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
    font-family: var(--font-family-sans);
    font-feature-settings: normal;
    font-variation-settings: normal;
}

body {
    margin: 0;
    line-height: inherit;
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    color: var(--gray-900);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Remove default margins */
h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
    margin: 0;
}

/* Remove list styles */
ul[role="list"],
ol[role="list"] {
    list-style: none;
}

/* Set shorter line heights on headings */
h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-tight);
    font-weight: var(--font-weight-semibold);
}

/* Balance text wrapping on headings */
h1, h2, h3, h4 {
    text-wrap: balance;
}

/* A elements without a class get default styles */
a:not([class]) {
    text-decoration-skip-ink: auto;
    color: currentColor;
}

/* Make images easier to work with */
img, picture {
    max-width: 100%;
    display: block;
}

/* Inherit fonts for inputs and buttons */
input, button, textarea, select {
    font: inherit;
}

/* Make sure textareas without a rows attribute are not tiny */
textarea:not([rows]) {
    min-height: 10em;
}

/* Anything that has been anchored to should have extra scroll margin */
:target {
    scroll-margin-block: 5ex;
}

/* ============================================================================
   3. LAYOUT SYSTEM
   ============================================================================ */

/* Container */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

@media (min-width: 1536px) {
    .container {
        max-width: 1536px;
    }
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--gray-50);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-left: 280px;
    transition: margin-left var(--transition-all);
    min-height: 100vh;
}

.page-content {
    flex: 1;
    padding: var(--space-6);
    overflow-y: auto;
}

/* Responsive layout */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
    }
}

/* Grid System */
.grid {
    display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-full { grid-column: 1 / -1; }

.gap-0 { gap: var(--space-0); }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }

.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

/* ============================================================================
   4. SIDEBAR COMPONENT
   ============================================================================ */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: white;
    border-right: 1px solid var(--gray-200);
    z-index: var(--z-50);
    transition: transform var(--transition-all);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    text-align: center;
    background: var(--gradient-primary);
    color: white;
}

.sidebar-header .logo {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    border-radius: var(--border-radius-lg);
    object-fit: cover;
}

.sidebar-header .logo-placeholder {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.sidebar-header h4 {
    margin: 0;
    font-weight: var(--font-weight-bold);
    color: white;
    font-size: var(--font-size-lg);
}

.sidebar-menu {
    padding: var(--space-4);
}

.menu-item {
    margin-bottom: var(--space-2);
}

.menu-link {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-all);
    font-weight: var(--font-weight-medium);
    gap: var(--space-3);
    position: relative;
}

.menu-link:hover {
    background-color: var(--gray-50);
    color: var(--gray-900);
    transform: translateX(2px);
}

.menu-link.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.menu-link.active::before {
    content: '';
    position: absolute;
    left: -var(--space-4);
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-500);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.menu-icon {
    width: 20px;
    text-align: center;
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.menu-text {
    font-size: var(--font-size-sm);
    flex: 1;
}

/* Mobile sidebar */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: var(--z-40);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-opacity);
    }
    
    .sidebar-overlay.open {
        opacity: 1;
        visibility: visible;
    }
}

/* ============================================================================
   5. TOP NAVIGATION
   ============================================================================ */

.top-nav {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: var(--z-30);
    box-shadow: var(--shadow-sm);
}

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

.nav-toggle {
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    color: var(--gray-600);
    border-radius: var(--border-radius);
    transition: var(--transition-colors);
    display: none;
}

.nav-toggle:hover {
    background-color: var(--gray-100);
    color: var(--gray-900);
}

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

@media (max-width: 1024px) {
    .nav-toggle {
        display: block;
    }
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-info {
    text-align: right;
    display: none;
}

@media (min-width: 768px) {
    .user-info {
        display: block;
    }
}

.user-info h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

.user-info span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    border: 2px solid white;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition-transform);
}

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

/* ============================================================================
   6. PAGE HEADERS
   ============================================================================ */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-8);
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--gray-200);
    gap: var(--space-4);
}

.page-header-content {
    flex: 1;
}

.page-header-content h1 {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--gray-900);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header-content p {
    margin: 0;
    color: var(--gray-600);
    font-size: var(--font-size-base);
    max-width: 60ch;
}

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

/* Responsive page header */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .page-header-actions {
        justify-content: stretch;
    }
    
    .page-header-actions .btn {
        flex: 1;
        justify-content: center;
    }
}

/* ============================================================================
   7. STATISTICS CARDS
   ============================================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: white;
    border-radius: var(--border-radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition-all);
    position: relative;
    overflow: hidden;
}

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

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

.stat-card.success::before {
    background: var(--gradient-success);
}

.stat-card.warning::before {
    background: var(--gradient-warning);
}

.stat-card.danger::before {
    background: var(--gradient-danger);
}

.stat-card.info::before {
    background: var(--gradient-info);
}

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

.stat-details {
    flex: 1;
}

.stat-details h3 {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--gray-900);
    margin-bottom: var(--space-2);
    line-height: var(--line-height-tight);
}

.stat-change {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.stat-change.positive {
    color: var(--success-600);
}

.stat-change.negative {
    color: var(--danger-600);
}

.stat-change.neutral {
    color: var(--gray-500);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    background: var(--gray-50);
    color: var(--gray-600);
    flex-shrink: 0;
}

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

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

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

.stat-card.info .stat-icon {
    background: var(--info-100);
    color: var(--info-600);
}

/* ============================================================================
   8. MODERN CARDS
   ============================================================================ */

.modern-card {
    background: white;
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    margin-bottom: var(--space-6);
    overflow: hidden;
    transition: var(--transition-shadow);
}

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

.modern-card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    background: var(--gradient-primary);
    color: white;
}

.modern-card-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.modern-card-header span {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
}

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

.modern-card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Card variants */
.modern-card.success .modern-card-header {
    background: var(--gradient-success);
}

.modern-card.warning .modern-card-header {
    background: var(--gradient-warning);
}

.modern-card.danger .modern-card-header {
    background: var(--gradient-danger);
}

.modern-card.info .modern-card-header {
    background: var(--gradient-info);
}

/* ============================================================================
   9. TABLE SYSTEM
   ============================================================================ */

.modern-table-container {
    background: white;
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.table-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-4);
    background: var(--gradient-primary);
    color: white;
}

.table-header h3 {
    margin: 0 0 var(--space-1);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.table-header p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.9);
}

.table-controls {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    flex-wrap: wrap;
}

.table-search {
    position: relative;
}

.table-search-input {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    width: 300px;
    transition: var(--transition-colors);
    background: white;
}

.table-search-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.table-search-input::placeholder {
    color: var(--gray-400);
}

.table-filters {
    display: flex;
    gap: var(--space-3);
}

.table-filter {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    background: white;
    cursor: pointer;
    transition: var(--transition-colors);
}

.table-filter:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.export-buttons {
    display: flex;
    gap: var(--space-2);
}

.export-btn {
    padding: var(--space-2) var(--space-3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: var(--transition-colors);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    backdrop-filter: blur(4px);
}

.export-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

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

/* Modern table */
.modern-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.modern-table th,
.modern-table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.modern-table th {
    background: var(--gray-50);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-700);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: var(--z-10);
}

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

.modern-table tbody tr:hover {
    background-color: var(--gray-50);
}

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

/* Table cell content */
.cell-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    background: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-700);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cell-primary {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.cell-secondary {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* ============================================================================
   10. STATUS BADGES
   ============================================================================ */

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    gap: var(--space-1);
}

.status-badge.active {
    background: var(--success-100);
    color: var(--success-700);
    border: 1px solid var(--success-200);
}

.status-badge.inactive {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.status-badge.pending {
    background: var(--warning-100);
    color: var(--warning-700);
    border: 1px solid var(--warning-200);
}

.status-badge.expired {
    background: var(--danger-100);
    color: var(--danger-700);
    border: 1px solid var(--danger-200);
}

.status-badge.warning {
    background: var(--warning-100);
    color: var(--warning-700);
    border: 1px solid var(--warning-200);
}

.status-badge.info {
    background: var(--info-100);
    color: var(--info-700);
    border: 1px solid var(--info-200);
}

.status-badge.success {
    background: var(--success-100);
    color: var(--success-700);
    border: 1px solid var(--success-200);
}

.status-badge.danger {
    background: var(--danger-100);
    color: var(--danger-700);
    border: 1px solid var(--danger-200);
}

/* ============================================================================
   11. BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-all);
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Button sizes */
.btn-xs {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
}

.btn-xl {
    padding: var(--space-5) var(--space-8);
    font-size: var(--font-size-lg);
}

/* Button variants */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border-color: var(--gray-300);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-warning {
    background: var(--gradient-warning);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-info {
    background: var(--gradient-info);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--gray-600);
}

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

.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

/* Button states */
.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: var(--border-radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Action buttons for tables */
.table-actions-cell {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.action-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: white;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-all);
    font-size: var(--font-size-sm);
    text-decoration: none;
}

.action-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.action-btn.view:hover {
    background: var(--primary-50);
    border-color: var(--primary-300);
    color: var(--primary-600);
}

.action-btn.edit:hover {
    background: var(--warning-50);
    border-color: var(--warning-300);
    color: var(--warning-600);
}

.action-btn.delete:hover {
    background: var(--danger-50);
    border-color: var(--danger-300);
    color: var(--danger-600);
}

/* ============================================================================
   12. FORM ELEMENTS
   ============================================================================ */

.form-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    align-items: start;
}

.form-grid-1 {
    grid-template-columns: 1fr;
}

.form-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

.form-label.required::after {
    content: '*';
    color: var(--danger-500);
    margin-left: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    transition: var(--transition-colors);
    background: white;
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--danger-500);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

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

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Checkbox and radio inputs */
.form-checkbox,
.form-radio {
    width: 16px;
    height: 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-colors);
    accent-color: var(--primary-500);
}

.form-radio {
    border-radius: var(--border-radius-full);
}

.form-checkbox:checked,
.form-radio:checked {
    background: var(--primary-500);
    border-color: var(--primary-500);
}

/* Form help and error text */
.form-help {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    margin-top: var(--space-1);
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--danger-600);
    margin-top: var(--space-1);
    font-weight: var(--font-weight-medium);
}

/* Form actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-6) 0;
    border-top: 1px solid var(--gray-200);
    margin-top: var(--space-6);
}

/* Password input with toggle */
.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--border-radius);
    transition: var(--transition-colors);
}

.password-toggle:hover {
    color: var(--gray-600);
    background: var(--gray-100);
}

/* File input styling */
.form-file {
    position: relative;
    display: inline-block;
    cursor: pointer;
    width: 100%;
}

.form-file input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.form-file-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius-lg);
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    transition: var(--transition-colors);
    text-align: center;
    min-height: 100px;
    justify-content: center;
    flex-direction: column;
}

.form-file:hover .form-file-label {
    border-color: var(--primary-400);
    color: var(--primary-600);
    background: var(--primary-50);
}

/* Responsive forms */
@media (max-width: 768px) {
    .form-grid,
    .form-grid-3,
    .form-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
}

/* ============================================================================
   13. ALERTS & NOTIFICATIONS
   ============================================================================ */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-4);
    border: 1px solid;
    position: relative;
}

.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(--info-50);
    border-color: var(--info-200);
    color: var(--info-800);
}

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

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
}

.alert-message {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: var(--space-1);
    border-radius: var(--border-radius);
    transition: var(--transition-opacity);
    flex-shrink: 0;
}

.alert-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-100);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: 400px;
}

.toast {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    padding: var(--space-4);
    transform: translateX(100%);
    animation: slideIn 0.3s ease-out forwards;
}

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

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

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

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

@keyframes slideIn {
    to {
        transform: translateX(0);
    }
}

/* ============================================================================
   14. MODALS & OVERLAYS
   ============================================================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1055;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-opacity);
    padding: var(--space-4);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95);
    transition: var(--transition-transform);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gradient-primary);
    color: white;
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.modal-close {
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    color: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    transition: var(--transition-colors);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.modal-body {
    padding: var(--space-6);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* Modal sizes */
.modal-sm .modal-content {
    max-width: 400px;
}

.modal-lg .modal-content {
    max-width: 800px;
}

.modal-xl .modal-content {
    max-width: 1200px;
}

.modal-full .modal-content {
    max-width: 95vw;
    max-height: 95vh;
}

/* ============================================================================
   15. DROPDOWNS
   ============================================================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    min-width: 200px;
    z-index: var(--z-50);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-all);
    overflow: hidden;
    padding: var(--space-2);
}

.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition-colors);
    gap: var(--space-3);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: var(--font-size-sm);
    cursor: pointer;
    border-radius: var(--border-radius);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

.dropdown-item.danger {
    color: var(--danger-600);
}

.dropdown-item.danger:hover {
    background: var(--danger-50);
    color: var(--danger-700);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--space-2) 0;
}

/* ============================================================================
   16. PAGINATION
   ============================================================================ */

.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.pagination {
    display: flex;
    gap: var(--space-1);
}

.pagination-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    background: white;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-all);
    font-size: var(--font-size-sm);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.pagination-btn:hover:not(:disabled):not(.active) {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.pagination-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary-500);
    color: white;
    box-shadow: var(--shadow-md);
}

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

/* ============================================================================
   17. EMPTY STATES
   ============================================================================ */

.empty-state {
    text-align: center;
    padding: var(--space-12);
    color: var(--gray-500);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    color: var(--gray-300);
}

.empty-state h4 {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-700);
}

.empty-state p {
    margin: 0 0 var(--space-4);
    color: var(--gray-500);
    max-width: 50ch;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================================
   18. LOADING STATES
   ============================================================================ */

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-top: 2px solid var(--primary-500);
    border-radius: var(--border-radius-full);
    animation: spin 1s linear infinite;
    display: inline-block;
}

.loading-spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 1.5px;
}

.loading-spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-50);
    backdrop-filter: blur(2px);
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius);
}

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

.skeleton-text {
    height: 1em;
    margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
    width: 60%;
    margin-bottom: 0;
}

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

.skeleton-card {
    height: 200px;
}

/* ============================================================================
   19. RESPONSIVE UTILITIES
   ============================================================================ */

/* Display utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Responsive display */
@media (min-width: 640px) {
    .sm\:hidden { display: none; }
    .sm\:block { display: block; }
    .sm\:flex { display: flex; }
    .sm\:grid { display: grid; }
}

@media (min-width: 768px) {
    .md\:hidden { display: none; }
    .md\:block { display: block; }
    .md\:flex { display: flex; }
    .md\:grid { display: grid; }
}

@media (min-width: 1024px) {
    .lg\:hidden { display: none; }
    .lg\:block { display: block; }
    .lg\:flex { display: flex; }
    .lg\:grid { display: grid; }
}

/* Text utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

/* Color utilities */
.text-primary { color: var(--primary-500); }
.text-success { color: var(--success-500); }
.text-warning { color: var(--warning-500); }
.text-danger { color: var(--danger-500); }
.text-info { color: var(--info-500); }

.text-gray-50 { color: var(--gray-50); }
.text-gray-100 { color: var(--gray-100); }
.text-gray-200 { color: var(--gray-200); }
.text-gray-300 { color: var(--gray-300); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-gray-900 { color: var(--gray-900); }

.bg-white { background-color: white; }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-gray-200 { background-color: var(--gray-200); }

.bg-primary { background-color: var(--primary-500); }
.bg-success { background-color: var(--success-500); }
.bg-warning { background-color: var(--warning-500); }
.bg-danger { background-color: var(--danger-500); }
.bg-info { background-color: var(--info-500); }

/* Spacing utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--space-1); }
.pl-2 { padding-left: var(--space-2); }
.pl-3 { padding-left: var(--space-3); }
.pl-4 { padding-left: var(--space-4); }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--space-1); }
.pr-2 { padding-right: var(--space-2); }
.pr-3 { padding-right: var(--space-3); }
.pr-4 { padding-right: var(--space-4); }

/* Border utilities */
.border { border: 1px solid var(--gray-200); }
.border-0 { border: 0; }
.border-t { border-top: 1px solid var(--gray-200); }
.border-b { border-bottom: 1px solid var(--gray-200); }
.border-l { border-left: 1px solid var(--gray-200); }
.border-r { border-right: 1px solid var(--gray-200); }

.border-gray-100 { border-color: var(--gray-100); }
.border-gray-200 { border-color: var(--gray-200); }
.border-gray-300 { border-color: var(--gray-300); }

.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-xl { border-radius: var(--border-radius-xl); }
.rounded-2xl { border-radius: var(--border-radius-2xl); }
.rounded-full { border-radius: var(--border-radius-full); }

/* Shadow utilities */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* Z-index utilities */
.z-0 { z-index: var(--z-0); }
.z-10 { z-index: var(--z-10); }
.z-20 { z-index: var(--z-20); }
.z-30 { z-index: var(--z-30); }
.z-40 { z-index: var(--z-40); }
.z-50 { z-index: var(--z-50); }

/* Width & Height utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-fit { width: fit-content; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-fit { height: fit-content; }

/* Overflow utilities */
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }
.overflow-auto { overflow: auto; }

.overflow-x-hidden { overflow-x: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-hidden { overflow-y: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* Cursor utilities */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-default { cursor: default; }

/* Transform utilities */
.transform { transform: translateX(var(--tw-translate-x, 0)) translateY(var(--tw-translate-y, 0)) rotate(var(--tw-rotate, 0)) skewX(var(--tw-skew-x, 0)) skewY(var(--tw-skew-y, 0)) scaleX(var(--tw-scale-x, 1)) scaleY(var(--tw-scale-y, 1)); }

/* Transition utilities */
.transition { transition: var(--transition-all); }
.transition-none { transition: var(--transition-none); }
.transition-colors { transition: var(--transition-colors); }
.transition-opacity { transition: var(--transition-opacity); }
.transition-shadow { transition: var(--transition-shadow); }
.transition-transform { transition: var(--transition-transform); }

/* Hover utilities */
.hover\:bg-gray-50:hover { background-color: var(--gray-50); }
.hover\:bg-gray-100:hover { background-color: var(--gray-100); }
.hover\:text-gray-900:hover { color: var(--gray-900); }
.hover\:shadow-lg:hover { box-shadow: var(--shadow-lg); }

/* ============================================================================
   20. PRINT STYLES
   ============================================================================ */

@media print {
    * {
        -webkit-print-color-adjust: exact !important;
        color-adjust: exact !important;
    }
    
    .no-print {
        display: none !important;
    }
    
    .print-only {
        display: block !important;
    }
    
    .sidebar,
    .top-nav,
    .page-header-actions,
    .table-actions,
    .action-btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .page-content {
        padding: 0 !important;
    }
    
    .modern-card,
    .modern-table-container {
        box-shadow: none !important;
        border: 1px solid var(--gray-300) !important;
    }
    
    .modern-table th {
        background: var(--gray-100) !important;
        color: var(--gray-900) !important;
    }
}

/* ============================================================================
   21. ACCESSIBILITY
   ============================================================================ */

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

.btn:focus,
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --gray-50: #ffffff;
        --gray-100: #f0f0f0;
        --gray-200: #e0e0e0;
        --gray-300: #c0c0c0;
        --gray-400: #a0a0a0;
        --gray-500: #808080;
        --gray-600: #606060;
        --gray-700: #404040;
        --gray-800: #202020;
        --gray-900: #000000;
    }
}

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

/* ============================================================================
   22. DARK MODE SUPPORT
   ============================================================================ */

@media (prefers-color-scheme: dark) {
    .dark-mode {
        --gray-50: #1f2937;
        --gray-100: #374151;
        --gray-200: #4b5563;
        --gray-300: #6b7280;
        --gray-400: #9ca3af;
        --gray-500: #d1d5db;
        --gray-600: #e5e7eb;
        --gray-700: #f3f4f6;
        --gray-800: #f9fafb;
        --gray-900: #ffffff;
    }
    
    .dark-mode body {
        background-color: var(--gray-50);
        color: var(--gray-900);
    }
    
    .dark-mode .sidebar {
        background: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    .dark-mode .modern-card,
    .dark-mode .modern-table-container {
        background: var(--gray-100);
        border-color: var(--gray-200);
    }
}

/* ============================================================================
   23. PERFORMANCE OPTIMIZATIONS
   ============================================================================ */

/* Will-change for animations */
.stat-card,
.btn,
.action-btn,
.menu-link {
    will-change: transform;
}

/* GPU acceleration for smooth animations */
.modal-content,
.dropdown-menu,
.sidebar {
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Optimize font rendering */
body {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   ENHANCED DROPDOWN & ACTION MENU SYSTEM
   ============================================================================ */

/* Enhanced Dropdown Styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    background: none !important;
    border: none !important;
    padding: 0.5rem !important;
    cursor: pointer;
    transition: all var(--transition-base);
}

.dropdown-toggle:hover {
    background-color: var(--gray-100) !important;
    border-radius: var(--border-radius);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    min-width: 200px;
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    overflow: hidden;
    max-height: 300px;
    overflow-y: auto;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition-base);
    gap: 0.75rem;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: var(--gray-50);
    color: var(--gray-900);
    text-decoration: none;
}

.dropdown-item i {
    width: 16px;
    text-align: center;
    opacity: 0.7;
}

/* Action Menu Styles for Table Three-Dot Menus */
.action-menu-container {
    position: relative;
    display: inline-block;
}

.action-menu-toggle, 
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    color: var(--gray-500);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 14px;
}

.action-menu-toggle:hover,
.action-btn:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.action-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    min-width: 150px;
    z-index: 1060;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.15s ease;
    overflow: hidden;
    /* Prevent page scroll when menu is open */
    overscroll-behavior: contain;
}

.action-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.action-menu .dropdown-item {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    gap: 0.5rem;
}

.action-menu .dropdown-item:first-child {
    margin-top: 0.25rem;
}

.action-menu .dropdown-item:last-child {
    margin-bottom: 0.25rem;
}

/* Table Container Scroll Prevention */
.table-responsive,
.modern-table-container {
    position: relative;
    /* Ensure action menus are contained within table */
    overflow: visible;
}

.table-responsive .action-menu,
.modern-table-container .action-menu {
    /* Ensure menus don't cause horizontal scroll */
    max-width: 180px;
}

/* Prevent Body Scroll When Menu is Open */
body.menu-open {
    overflow: hidden;
}

/* Toast Container Enhancements */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    pointer-events: none;
}

.toast {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    padding: 1rem;
    margin-bottom: 0.5rem;
    min-width: 300px;
    max-width: 500px;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

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

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

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

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

.toast-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--gray-900);
}

.toast-message {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: color var(--transition-base);
}

.toast-close:hover {
    color: var(--gray-600);
}

/* Pagination Styles */
.table-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-top: 1px solid var(--gray-200);
    margin-top: 1rem;
}

.pagination-info {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 0.5rem;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.pagination-btn.active {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
    color: white;
}

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

.pagination-ellipsis {
    padding: 0 0.5rem;
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Dark Mode Support for New Components */
.dark-mode .dropdown-menu,
.dark-mode .action-menu {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

.dark-mode .dropdown-item {
    color: var(--gray-300);
}

.dark-mode .dropdown-item:hover {
    background-color: var(--gray-700);
    color: white;
}

.dark-mode .action-menu-toggle:hover,
.dark-mode .action-btn:hover {
    background-color: var(--gray-700);
    color: var(--gray-300);
}

.dark-mode .toast {
    background: var(--gray-800);
    border-color: var(--gray-700);
    color: var(--gray-200);
}

.dark-mode .toast-title {
    color: white;
}

.dark-mode .toast-message {
    color: var(--gray-300);
}

.dark-mode .pagination-btn {
    background: var(--gray-800);
    border-color: var(--gray-600);
    color: var(--gray-300);
}

.dark-mode .pagination-btn:hover:not(:disabled) {
    background-color: var(--gray-700);
    border-color: var(--gray-500);
}

.dark-mode .pagination-btn.active {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    .dropdown-menu {
        position: fixed;
        top: 6%!important;
        bottom: auto!important;
        left: auto!important;
        right: auto!important;
        transform: translateY(100%);
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
        min-width: auto;
        max-height: 50vh;
    }
    
    .dropdown-menu.show {
        transform: translateY(0);
    }
    
    .action-menu {
        min-width: 140px;
        max-width: 160px;
    }
    
    .table-pagination {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .pagination-controls {
        justify-content: center;
    }
    
    .toast {
        min-width: 280px;
        max-width: calc(100vw - 40px);
    }
}

/* ============================================================================
   END OF PRODUCTION CSS FRAMEWORK
   ============================================================================ */