/**
 * Enhanced Design System - نظام التصميم المحسّن
 * نظام تصميم شامل ومحسّن للنظام
 * Version: 2.0
 */

@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================
   نظام الألوان المحسّن
   ============================================ */
:root {
  /* Primary 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;

  /* Accent Colors */
  --accent-teal: #14b8a6;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  /* Semantic Colors */
  --success-50: #ecfdf5;
  --success-100: #d1fae5;
  --success-500: #10b981;
  --success-700: #047857;
  
  --warning-50: #fffbeb;
  --warning-100: #fef3c7;
  --warning-500: #f59e0b;
  --warning-700: #b45309;
  
  --error-50: #fef2f2;
  --error-100: #fee2e2;
  --error-500: #ef4444;
  --error-700: #b91c1c;
  
  --info-50: #eff6ff;
  --info-100: #dbeafe;
  --info-500: #3b82f6;
  --info-700: #1d4ed8;
  
  /* Neutral Colors */
  --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;
  
  /* Background & Surface - Compatible with existing */
  --bg: #f8fafc;
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  
  /* Text Colors - Compatible with existing */
  --text: #0f172a;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --muted: #64748b;
  --text-muted: #64748b;
  --text-disabled: #94a3b8;
  
  /* Primary Colors - Compatible with existing */
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --danger: #ef4444;
  --danger-light: #f87171;
  --warn: #f59e0b;
  --success: #10b981;
  --success-light: #34d399;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-sidebar: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  
  /* Shadows - Enhanced */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --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);
  
  /* Colored Shadows */
  --shadow-primary: 0 10px 25px -5px rgba(59, 130, 246, 0.3);
  --shadow-success: 0 10px 25px -5px rgba(16, 185, 129, 0.3);
  --shadow-error: 0 10px 25px -5px rgba(239, 68, 68, 0.3);
  --shadow-warning: 0 10px 25px -5px rgba(245, 158, 11, 0.3);
  
  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Typography */
  --font-family: "Tajawal", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  
  --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-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Transitions */
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: all 0.5s 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 Support
   ============================================ */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --surface: #1e293b;
  --surface-elevated: #334155;
  --border: #334155;
  --border-strong: #475569;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-disabled: #64748b;
  --text: #f1f5f9;
  --muted: #94a3b8;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  margin: 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: var(--line-height-normal);
  font-size: var(--font-size-base);
  min-height: 100vh;
  direction: rtl;
}

/* ============================================
   Enhanced Sidebar
   ============================================ */
.sidebar {
  background: var(--gradient-sidebar) !important;
  color: var(--text-primary) !important;
  display: flex !important;
  flex-direction: column !important;
  border-inline-end: 1px solid var(--border) !important;
  box-shadow: var(--shadow-lg) !important;
  position: sticky !important;
  top: 0 !important;
  height: 100vh !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  z-index: var(--z-sticky) !important;
  transition: var(--transition) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  backdrop-filter: blur(10px) !important;
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  pointer-events: none;
  z-index: 0;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ============================================
   Highlight for newly added / edited rows
   ============================================ */
.row-highlight {
  background: var(--primary-50) !important;
  box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.35);
}

.row-highlight td {
  font-weight: 600;
}

.brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  position: relative;
  z-index: 1;
}

.brand::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border) 50%, transparent 100%);
}

.logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.logo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
  pointer-events: none;
}

.logo::after {
  content: "";
  width: 40px;
  height: 40px;
  background: url('kfu-logo.png') center/contain no-repeat;
  background-color: transparent;
  position: relative;
  z-index: 1;
  filter: brightness(0) invert(1);
}

.logo:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: var(--shadow-lg);
}

.title {
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-2xl);
  letter-spacing: -0.02em;
  text-align: center;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand .label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: -4px;
  text-align: center;
  font-weight: var(--font-weight-medium);
}

.nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  position: relative;
  z-index: 1;
}

.nav a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  color: var(--text-secondary);
  padding: 14px 18px;
  text-decoration: none;
  border-radius: var(--radius);
  margin: 0 8px;
  font-size: 15px;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  transition: var(--transition-slow);
  overflow: hidden;
}

.nav a::before {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-full) 0 0 var(--radius-full);
  transition: height 0.3s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.nav a:hover {
  color: #ffffff !important;
  transform: translateX(-4px) !important;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35) !important;
}

.nav a:hover::after {
  opacity: 0;
}

.nav a:hover::before {
  height: 60%;
}

.nav a.active {
  color: #ffffff !important;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35) !important;
  transform: translateX(-4px) !important;
}

.nav a.active::before {
  height: 60%;
}

.nav a.active::after {
  opacity: 0;
}

/* ============================================
   Enhanced Cards
   ============================================ */
.card {
  background: rgba(255, 255, 255, 0.95) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  backdrop-filter: blur(10px) !important;
  border-radius: var(--radius-xl) !important;
  padding: 24px !important;
  margin-bottom: 24px !important;
  border: 1px solid rgba(226, 232, 240, 0.8) !important;
  box-shadow: var(--shadow-lg) !important;
  transition: var(--transition-slow) !important;
  position: relative !important;
  overflow: hidden !important;
}

.card:has(.table-wrapper) {
  padding: 16px 8px;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent-purple) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  box-shadow: var(--shadow-xl) !important;
  transform: translateY(-4px) !important;
  border-color: var(--primary-200) !important;
}

/* KPI Cards */
.kpi-card,
.dash-kpis .card {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%) !important;
  border: 1px solid var(--primary-200) !important;
  position: relative !important;
  overflow: hidden !important;
  box-shadow: 0 8px 20px rgba(148, 163, 184, 0.35) !important;
}

.kpi-card::after,
.dash-kpis .card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

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

.kpi-card .label,
.dash-mini .label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 8px;
}

.kpi-card .value,
.dash-mini .value {
  font-size: 32px;
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-700);
}

/* ============================================
   Enhanced Tables
   ============================================ */
.table-container {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  overflow-x: auto;
}

.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table thead {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.table th {
  padding: 16px;
  text-align: right;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  background: inherit;
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition);
}

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

.table tbody tr:hover {
  background: var(--primary-50);
  transform: scale(1.01);
  box-shadow: var(--shadow-sm);
}

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

.table tbody tr.selected {
  background: var(--primary-100);
}

/* ============================================
   Enhanced Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.btn.primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: white;
  box-shadow: var(--shadow-primary);
}

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

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

.btn.success:hover {
  transform: translateY(-2px);
}

.btn.danger {
  background: linear-gradient(135deg, var(--error-500) 0%, #dc2626 100%);
  color: white;
  box-shadow: var(--shadow-error);
}

.btn.danger:hover {
  transform: translateY(-2px);
}

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

.btn-loading {
  pointer-events: none;
  opacity: 0.7;
}

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

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

/* ============================================
   Enhanced Forms
   ============================================ */
.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.form-label {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--text-primary);
}

.form-label.required::after {
  content: ' *';
  color: var(--error-500);
}

.form-field {
  width: 100%;
}

.form-field .input,
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: var(--transition);
  background: var(--surface);
}

.form-field .input:focus,
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-field .input.error,
.form-field input.error,
.form-field select.error,
.form-field textarea.error {
  border-color: var(--error-500);
}

.form-error {
  color: var(--error-500);
  font-size: var(--font-size-xs);
  margin-top: 4px;
}

.form-help {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-top: 4px;
}

/* ============================================
   Status Badges
   ============================================ */
.badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  gap: 6px;
}

.badge::before,
.status-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

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

.badge.completed,
.status-badge.completed {
  background: var(--success-100);
  color: var(--success-700);
}

.badge.pending,
.status-badge.pending {
  background: var(--warning-100);
  color: var(--warning-700);
}

.badge.danger,
.status-badge.danger,
.badge.cancelled,
.status-badge.cancelled {
  background: var(--error-100);
  color: var(--error-700);
}

.badge.info,
.status-badge.info {
  background: var(--info-100);
  color: var(--info-700);
}

/* ============================================
   Loading States
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, 
    var(--gray-200) 25%, 
    var(--gray-100) 50%, 
    var(--gray-200) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s ease-in-out infinite;
  border-radius: var(--radius);
}

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

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: 16px;
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state-description {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
}

.toast {
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  animation: slideInRight 0.3s ease;
  border-right: 4px solid var(--primary-500);
}

.toast.success {
  border-right-color: var(--success-500);
}

.toast.error {
  border-right-color: var(--error-500);
}

.toast.warning {
  border-right-color: var(--warning-500);
}

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

/* ============================================
   Enhanced Login Card
   ============================================ */
.login-card {
  max-width: 440px;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  padding: 48px 40px;
  margin: 40px auto;
  box-shadow: var(--shadow-2xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 50%, var(--success) 100%);
}

/* ============================================
   User Cards
   ============================================ */
.users-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 12px;
}

.user-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.user-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.user-card:hover::before {
  transform: scaleX(1);
}

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

/* ============================================
   Order Cards (Grid View)
   ============================================ */
.orders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
  padding: 8px 0;
}

.order-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 0;
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.order-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  opacity: 0;
  transition: var(--transition);
}

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

.order-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--primary);
}

.order-card.req-risk {
  border-color: var(--error-500);
}

.order-card.req-risk::before {
  background: linear-gradient(90deg, var(--error-500) 0%, var(--error-700) 100%);
  opacity: 0.3;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    z-index: var(--z-modal);
    transition: right 0.3s ease;
  }
  
  .sidebar.open {
    right: 0;
  }
  
  .card {
    border-radius: var(--radius-md);
    padding: 16px;
  }
  
  .table-container {
    overflow-x: auto;
  }
  
  .content {
    padding: 16px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .orders-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .layout {
    grid-template-columns: 240px 1fr;
  }
}

@media (min-width: 1025px) {
  .content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 32px;
    width: 100%;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }

.hidden { display: none; }
.block { display: block; }

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .sidebar,
  .btn,
  .nav {
    display: none !important;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }
}