/**
 * Komsolution ERP - Styles Principaux
 * Design: Modern Swiss Corporate
 * Version: 1.0.0
 */

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

:root {
  /* Brand Colors - Komsolution Official */
  --ks-primary: #5A8BBF;
  --ks-primary-dark: #4A7AAE;
  --ks-primary-light: #8BADD3;
  --ks-secondary: #4A5568;
  --ks-accent: #8BADD3;
  
  /* Neutral Colors */
  --ks-white: #FFFFFF;
  --ks-gray-50: #F8FAFC;
  --ks-gray-100: #F1F5F9;
  --ks-gray-200: #E2E8F0;
  --ks-gray-300: #CBD5E1;
  --ks-gray-400: #94A3B8;
  --ks-gray-500: #64748B;
  --ks-gray-600: #475569;
  --ks-gray-700: #334155;
  --ks-gray-800: #1E293B;
  --ks-gray-900: #0F172A;
  
  /* Semantic Colors */
  --ks-success: #10B981;
  --ks-success-light: #D1FAE5;
  --ks-warning: #F59E0B;
  --ks-warning-light: #FEF3C7;
  --ks-danger: #EF4444;
  --ks-danger-light: #FEE2E2;
  --ks-info: #3B82F6;
  --ks-info-light: #DBEAFE;
  
  /* Typography */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing Scale */
  --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;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(0, 102, 204, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --sidebar-width: 280px;
  --sidebar-collapsed: 80px;
  --header-height: 72px;
  --content-max-width: 1400px;
}

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

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ks-gray-800);
  background-color: var(--ks-gray-50);
  min-height: 100vh;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ks-gray-900);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: var(--space-4);
}

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

a:hover {
  color: var(--ks-primary-dark);
}

/* ============================================================
   LAYOUT - APP STRUCTURE
   ============================================================ */

.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background: linear-gradient(180deg, var(--ks-secondary) 0%, #16162A 100%);
  color: var(--ks-white);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: width var(--transition-base);
  overflow: hidden;
}

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

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.sidebar-logo-img {
  height: 32px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.sidebar.collapsed .sidebar-logo-img {
  max-width: 40px;
}

.sidebar-logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--ks-white) 0%, var(--ks-gray-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar.collapsed .sidebar-logo-text {
  display: none;
}

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

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

.nav-section-title {
  padding: var(--space-2) var(--space-6);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ks-gray-500);
}

.sidebar.collapsed .nav-section-title {
  display: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  color: var(--ks-gray-400);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-item:hover {
  color: var(--ks-white);
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: var(--ks-white);
  background: rgba(0, 102, 204, 0.2);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--ks-primary);
  border-radius: 0 2px 2px 0;
}

.nav-item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-item-text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar.collapsed .nav-item-text,
.sidebar.collapsed .nav-item-badge {
  display: none;
}

.nav-item-badge {
  padding: 2px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--ks-danger);
  color: white;
  border-radius: var(--radius-full);
}

.sidebar-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

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

/* Header */
.header {
  height: var(--header-height);
  background: var(--ks-white);
  border-bottom: 1px solid var(--ks-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.header-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--ks-gray-100);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ks-gray-600);
  transition: all var(--transition-fast);
}

.header-toggle:hover {
  background: var(--ks-gray-200);
  color: var(--ks-gray-800);
}

.header-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ks-gray-900);
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--ks-gray-500);
}

.header-breadcrumb a {
  color: var(--ks-gray-500);
}

.header-breadcrumb a:hover {
  color: var(--ks-primary);
}

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

.header-search {
  position: relative;
}

.header-search input {
  width: 280px;
  height: 40px;
  padding: 0 var(--space-4) 0 40px;
  border: 1px solid var(--ks-gray-200);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  background: var(--ks-gray-50);
  transition: all var(--transition-fast);
}

.header-search input:focus {
  outline: none;
  border-color: var(--ks-primary);
  background: var(--ks-white);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.header-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ks-gray-400);
}

.header-notifications {
  position: relative;
}

.header-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ks-gray-600);
  transition: all var(--transition-fast);
}

.header-btn:hover {
  background: var(--ks-gray-100);
  color: var(--ks-gray-800);
}

.notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  background: var(--ks-danger);
  color: white;
  font-size: 0.625rem;
  font-weight: 600;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.header-user:hover {
  background: var(--ks-gray-100);
}

.header-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--ks-primary);
}

.header-user-info {
  text-align: left;
}

.header-user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ks-gray-900);
}

.header-user-role {
  font-size: 0.75rem;
  color: var(--ks-gray-500);
}

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

/* ============================================================
   COMPONENTS - CARDS
   ============================================================ */

.card {
  background: var(--ks-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--ks-gray-100);
  overflow: hidden;
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--ks-gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ks-gray-900);
}

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

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--ks-gray-100);
  background: var(--ks-gray-50);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--ks-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid var(--ks-gray-100);
  transition: all var(--transition-fast);
}

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

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card-icon.blue { background: var(--ks-info-light); color: var(--ks-info); }
.stat-card-icon.green { background: var(--ks-success-light); color: var(--ks-success); }
.stat-card-icon.yellow { background: var(--ks-warning-light); color: var(--ks-warning); }
.stat-card-icon.red { background: var(--ks-danger-light); color: var(--ks-danger); }

.stat-card-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.stat-card-trend.up { color: var(--ks-success); }
.stat-card-trend.down { color: var(--ks-danger); }

.stat-card-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ks-gray-900);
  margin-bottom: var(--space-1);
}

.stat-card-label {
  font-size: 0.875rem;
  color: var(--ks-gray-500);
}

/* ============================================================
   COMPONENTS - BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-5);
  height: 40px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--ks-primary-dark);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
  background: var(--ks-gray-100);
  color: var(--ks-gray-700);
}

.btn-secondary:hover {
  background: var(--ks-gray-200);
}

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

.btn-success:hover {
  background: #059669;
}

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

.btn-danger:hover {
  background: #DC2626;
}

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

.btn-outline:hover {
  border-color: var(--ks-primary);
  color: var(--ks-primary);
  background: rgba(0, 102, 204, 0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--ks-gray-600);
}

.btn-ghost:hover {
  background: var(--ks-gray-100);
  color: var(--ks-gray-800);
}

.btn-sm {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: 0.8125rem;
}

.btn-lg {
  height: 48px;
  padding: 0 var(--space-8);
  font-size: 1rem;
}

.btn-icon {
  width: 40px;
  padding: 0;
}

.btn-icon.btn-sm {
  width: 32px;
}

/* ============================================================
   COMPONENTS - FORMS
   ============================================================ */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ks-gray-700);
  margin-bottom: var(--space-2);
}

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-4);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--ks-gray-900);
  background: var(--ks-white);
  border: 1px solid var(--ks-gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--ks-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.form-textarea {
  height: auto;
  min-height: 120px;
  padding: var(--space-4);
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox input,
.form-radio input {
  width: 18px;
  height: 18px;
  accent-color: var(--ks-primary);
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--ks-gray-500);
  margin-top: var(--space-1);
}

.form-error {
  font-size: 0.8125rem;
  color: var(--ks-danger);
  margin-top: var(--space-1);
}

.form-input.error {
  border-color: var(--ks-danger);
}

/* ============================================================
   COMPONENTS - TABLES
   ============================================================ */

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

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table thead {
  background: var(--ks-gray-50);
}

.table th {
  padding: var(--space-4) var(--space-4);
  font-weight: 600;
  color: var(--ks-gray-700);
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--ks-gray-200);
}

.table td {
  padding: var(--space-4);
  color: var(--ks-gray-800);
  border-bottom: 1px solid var(--ks-gray-100);
}

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

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

.table-clickable tbody tr {
  cursor: pointer;
}

/* ============================================================
   COMPONENTS - BADGES & STATUS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
}

.badge-primary { background: var(--ks-info-light); color: var(--ks-info); }
.badge-success { background: var(--ks-success-light); color: var(--ks-success); }
.badge-warning { background: var(--ks-warning-light); color: var(--ks-warning); }
.badge-danger { background: var(--ks-danger-light); color: var(--ks-danger); }
.badge-gray { background: var(--ks-gray-100); color: var(--ks-gray-600); }

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: var(--space-2);
}

.status-dot.active { background: var(--ks-success); }
.status-dot.pending { background: var(--ks-warning); }
.status-dot.inactive { background: var(--ks-gray-400); }
.status-dot.overdue { background: var(--ks-danger); }

/* ============================================================
   COMPONENTS - MODALS
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal {
  background: var(--ks-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  max-width: 560px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1100px; }

.modal-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--ks-gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ks-gray-500);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--ks-gray-100);
  color: var(--ks-gray-800);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  max-height: calc(90vh - 150px);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--ks-gray-100);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ============================================================
   COMPONENTS - ALERTS
   ============================================================ */

.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.alert-info {
  background: var(--ks-info-light);
  color: var(--ks-info);
  border-left: 4px solid var(--ks-info);
}

.alert-success {
  background: var(--ks-success-light);
  color: #065F46;
  border-left: 4px solid var(--ks-success);
}

.alert-warning {
  background: var(--ks-warning-light);
  color: #92400E;
  border-left: 4px solid var(--ks-warning);
}

.alert-danger {
  background: var(--ks-danger-light);
  color: #991B1B;
  border-left: 4px solid var(--ks-danger);
}

/* ============================================================
   UTILITIES
   ============================================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--ks-primary); }
.text-success { color: var(--ks-success); }
.text-warning { color: var(--ks-warning); }
.text-danger { color: var(--ks-danger); }
.text-muted { color: var(--ks-gray-500); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

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

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

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

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

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

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

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

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

.cursor-pointer { cursor: pointer; }
.overflow-hidden { overflow: hidden; }

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

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .header-search {
    display: none;
  }
}

@media (max-width: 768px) {
  .page-content {
    padding: var(--space-4);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .header-user-info {
    display: none;
  }
  
  .modal {
    width: 95%;
    max-height: 95vh;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */

@media print {
  .sidebar,
  .header,
  .btn,
  .no-print {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .page-content {
    padding: 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

.animate-fadeIn {
  animation: fadeIn var(--transition-base);
}

.animate-slideUp {
  animation: slideUp var(--transition-base);
}

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

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

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