/*
 * Adtlas DAI Management System - Enhanced Professional Stylesheet
 * 
 * This file contains comprehensive styles for a modern, professional
 * enterprise-grade web application interface.
 */

/* ============================================================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================================================ */
:root {
  /* Brand Colors */
  --primary-color: #667eea;
  --primary-dark: #5a6fd8;
  --primary-light: #7c8ef0;
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-color: #764ba2;
  --secondary-dark: #6a4190;
  --secondary-light: #8355b4;
  
  /* Status Colors */
  --success-color: #10b981;
  --success-light: #d1fae5;
  --success-dark: #047857;
  --danger-color: #ef4444;
  --danger-light: #fee2e2;
  --danger-dark: #dc2626;
  --warning-color: #f59e0b;
  --warning-light: #fef3c7;
  --warning-dark: #d97706;
  --info-color: #3b82f6;
  --info-light: #dbeafe;
  --info-dark: #1d4ed8;
  
  /* Neutral Colors */
  --white: #ffffff;
  --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;
  
  /* Layout Variables */
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 80px;
  --navbar-height: 70px;
  --border-radius-sm: 6px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  
  /* 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);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-all: all 0.3s 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;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --white: #1f2937;
  --gray-50: #111827;
  --gray-100: #1f2937;
  --gray-200: #374151;
  --gray-300: #4b5563;
  --gray-400: #6b7280;
  --gray-500: #9ca3af;
  --gray-600: #d1d5db;
  --gray-700: #e5e7eb;
  --gray-800: #f3f4f6;
  --gray-900: #f9fafb;
}

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeSpeed;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-4) 0;
  font-weight: 600;
  line-height: 1.25;
  color: var(--gray-900);
  letter-spacing: -0.025em;
}

h1 { font-size: var(--font-size-4xl); font-weight: 700; }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin: 0 0 var(--spacing-4) 0;
  color: var(--gray-700);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--gray-100);
  padding: 0.125rem 0.25rem;
  border-radius: var(--border-radius-sm);
  color: var(--gray-800);
}

/* ============================================================================
   LAYOUT COMPONENTS
   ============================================================================ */

.main-wrapper {
  display: flex;
  min-height: 100vh;
  background-color: var(--gray-50);
}

/* Sidebar Styles */
.sidebar {
  width: var(--sidebar-width);
  background: var(--primary-gradient);
  color: white;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: var(--z-fixed);
  transition: var(--transition-all);
  box-shadow: var(--shadow-lg);
}

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

.sidebar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

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

.sidebar-brand {
  padding: var(--spacing-6) var(--spacing-4);
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.sidebar-brand h3 {
  margin: 0;
  font-weight: 700;
  font-size: var(--font-size-2xl);
  background: linear-gradient(45deg, #fff, #e0e7ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-brand small {
  display: block;
  opacity: 0.8;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-1);
  transition: var(--transition-base);
}

.sidebar.collapsed .sidebar-brand small {
  opacity: 0;
  transform: scale(0.8);
}

.sidebar-nav {
  padding: var(--spacing-4) 0;
}

.nav-item {
  margin: var(--spacing-1) var(--spacing-3);
}

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: var(--transition-base);
}

.nav-link:hover::before {
  left: 100%;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.2);
  box-shadow: inset 3px 0 0 rgba(255, 255, 255, 0.8);
}

.nav-link i {
  margin-right: var(--spacing-3);
  width: 20px;
  text-align: center;
  font-size: var(--font-size-lg);
  transition: var(--transition-base);
}

.nav-link-text {
  transition: var(--transition-base);
  white-space: nowrap;
}

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

.sidebar.collapsed .nav-link {
  justify-content: center;
  padding: var(--spacing-3);
}

.sidebar.collapsed .nav-link i {
  margin-right: 0;
}

/* Content Wrapper */
.content-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: var(--transition-all);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

.navbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--gray-600);
  font-size: var(--font-size-lg);
  padding: var(--spacing-2);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
  cursor: pointer;
}

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

/* Main Content */
.main-content {
  flex: 1;
  padding: var(--spacing-8);
  background-color: var(--gray-50);
}

/* ============================================================================
   COMPONENT STYLES
   ============================================================================ */

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-all);
  overflow: hidden;
}

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

.card-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
  background-color: var(--gray-50);
}

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

.card-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--gray-200);
  background-color: var(--gray-50);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2) var(--spacing-4);
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-all);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

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

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

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

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

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

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

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

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

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

.btn-sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
}

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

/* Forms */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 500;
  color: var(--gray-700);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-3);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--gray-900);
  background-color: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control:invalid {
  border-color: var(--danger-color);
}

.form-control:invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  margin-bottom: 0;
  background-color: var(--white);
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--spacing-4);
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition-fast);
}

.table th {
  background-color: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
}

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

.table tbody tr:hover td {
  color: var(--gray-900);
}

/* Alerts */
.alert {
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.alert-success {
  color: var(--success-dark);
  background-color: var(--success-light);
  border-color: var(--success-color);
}

.alert-danger {
  color: var(--danger-dark);
  background-color: var(--danger-light);
  border-color: var(--danger-color);
}

.alert-warning {
  color: var(--warning-dark);
  background-color: var(--warning-light);
  border-color: var(--warning-color);
}

.alert-info {
  color: var(--info-dark);
  background-color: var(--info-light);
  border-color: var(--info-color);
}

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

.btn-close {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  padding: var(--spacing-2);
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  cursor: pointer;
  opacity: 0.5;
  transition: var(--transition-fast);
}

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

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  list-style: none;
  background: none;
}

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

.breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  margin: 0 var(--spacing-2);
  color: var(--gray-400);
}

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

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

.dropdown-toggle {
  background: none;
  border: none;
  color: var(--gray-700);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

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

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

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--gray-700);
  text-decoration: none;
  background: none;
  border: none;
  text-align: left;
  transition: var(--transition-fast);
}

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

.dropdown-divider {
  height: 0;
  margin: var(--spacing-2) 0;
  overflow: hidden;
  border-top: 1px solid var(--gray-200);
}

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

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flexbox */
.flex-column { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-center { align-items: center !important; }
.align-items-end { align-items: flex-end !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

/* Spacing */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--spacing-1) !important; }
.m-2 { margin: var(--spacing-2) !important; }
.m-3 { margin: var(--spacing-3) !important; }
.m-4 { margin: var(--spacing-4) !important; }
.m-5 { margin: var(--spacing-5) !important; }
.m-6 { margin: var(--spacing-6) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-1) !important; }
.mt-2 { margin-top: var(--spacing-2) !important; }
.mt-3 { margin-top: var(--spacing-3) !important; }
.mt-4 { margin-top: var(--spacing-4) !important; }
.mt-5 { margin-top: var(--spacing-5) !important; }
.mt-6 { margin-top: var(--spacing-6) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-1) !important; }
.mb-2 { margin-bottom: var(--spacing-2) !important; }
.mb-3 { margin-bottom: var(--spacing-3) !important; }
.mb-4 { margin-bottom: var(--spacing-4) !important; }
.mb-5 { margin-bottom: var(--spacing-5) !important; }
.mb-6 { margin-bottom: var(--spacing-6) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-1) !important; }
.p-2 { padding: var(--spacing-2) !important; }
.p-3 { padding: var(--spacing-3) !important; }
.p-4 { padding: var(--spacing-4) !important; }
.p-5 { padding: var(--spacing-5) !important; }
.p-6 { padding: var(--spacing-6) !important; }

/* Text */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--gray-500) !important; }

.fw-light { font-weight: 300 !important; }
.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }

/* Background */
.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-info { background-color: var(--info-color) !important; }
.bg-light { background-color: var(--gray-100) !important; }
.bg-white { background-color: var(--white) !important; }

/* Border */
.border { border: 1px solid var(--gray-200) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--gray-200) !important; }
.border-bottom { border-bottom: 1px solid var(--gray-200) !important; }
.border-left { border-left: 1px solid var(--gray-200) !important; }
.border-right { border-right: 1px solid var(--gray-200) !important; }

.rounded { border-radius: var(--border-radius) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-circle { border-radius: 50% !important; }

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

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

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: var(--z-modal);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .content-wrapper {
    margin-left: 0;
  }
  
  .main-content {
    padding: var(--spacing-4);
  }
  
  .navbar {
    padding: 0 var(--spacing-4);
  }
  
  .card-body {
    padding: var(--spacing-4);
  }
  
  .table-responsive {
    font-size: var(--font-size-sm);
  }
  
  .btn {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: var(--spacing-3);
  }
  
  .card-body {
    padding: var(--spacing-3);
  }
  
  .navbar {
    padding: 0 var(--spacing-3);
  }
  
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  h3 { font-size: var(--font-size-lg); }
}

/* ============================================================================
   ANIMATIONS & EFFECTS
   ============================================================================ */

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.5s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Hover Effects */
.hover-lift {
  transition: var(--transition-all);
}

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

.hover-scale {
  transition: var(--transition-all);
}

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

/* Focus States */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Print Styles */
@media print {
  .sidebar,
  .navbar,
  .btn,
  .alert {
    display: none !important;
  }
  
  .content-wrapper {
    margin-left: 0 !important;
  }
  
  .main-content {
    padding: 0 !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid var(--gray-300) !important;
  }
}