/* ============================================
   ELMS - Export Logistics Management System
   Design System & Main Styles
   ============================================ */

/* CSS Custom Properties (Design System) */
:root {
  /* Colors */
  --color-primary: #1d1d1f;
  --color-primary-light: #2d2d2f;
  --color-primary-dark: #0d0d0f;

  --color-bg: #f5f5f7;
  --color-card: #ffffff;
  --color-surface: #fafafa;

  --color-text: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-text-muted: #86868b;

  --color-border: #e5e5e7;
  --color-border-light: #f0f0f2;

  /* Status Colors */
  --color-success: #34c759;
  --color-warning: #ff9500;
  --color-error: #ff3b30;
  --color-info: #1d1d1f;

  /* Links */
  --color-link: #1d1d1f;
  --color-link-hover: #0d0d0f;

  /* Buttons */
  --color-btn-primary: #1d1d1f;
  --color-btn-primary-hover: #0d0d0f;
  --color-btn-secondary: #e5e5e7;
  --color-btn-secondary-hover: #d1d1d3;

  /* Typography */
  --font-family: Inter, system-ui, -apple-system, sans-serif;
  --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;

  /* Spacing */
  --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: 6px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 70px;
  --topbar-height: 64px;

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

/* App Container - Grid Layout */
.app-container {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  background-color: var(--color-primary);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
  transition: transform var(--transition-base);
}

.sidebar-header {
  padding: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  height: 40px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
}

.sidebar-close {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: var(--space-2);
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-bottom: var(--space-1);
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.nav-item.active {
  background-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.nav-icon {
  flex-shrink: 0;
}

.nav-section-title {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.4);
  padding: var(--space-4) var(--space-4) var(--space-2);
  margin-top: var(--space-2);
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================
   Topbar
   ============================================ */
.topbar {
  height: var(--topbar-height);
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: calc(var(--z-sticky) - 1);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text);
}

.topbar-breadcrumb {
  flex: 1;
  display: flex;
  align-items: center;
  font-size: var(--font-size-sm);
}

.breadcrumb-link {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumb-link:hover {
  color: var(--color-link);
}

.breadcrumb-separator {
  margin: 0 var(--space-2);
  color: var(--color-text-muted);
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

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

.notification-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.notification-btn:hover {
  color: var(--color-text);
}

.notification-badge {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--color-error);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 5px;
  border-radius: var(--radius-full);
  min-width: 16px;
  text-align: center;
}

.user-menu {
  position: relative;
}

.user-menu-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.user-menu-btn:hover {
  background-color: var(--color-surface);
}

.user-avatar {
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.user-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  display: none;
  z-index: var(--z-dropdown);
}

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

.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-sm);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--color-surface);
}

.dropdown-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-1) 0;
}

.dropdown-form {
  padding: 0;
  margin: 0;
}

/* ============================================
   Page Content
   ============================================ */
.page-content {
  flex: 1;
  padding: var(--space-6);
}

/* ============================================
   Cards
   ============================================ */
.card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
}

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

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ============================================
   Grid Layout (No Tables!)
   ============================================ */
.data-grid {
  display: grid;
  gap: var(--space-4);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

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

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

.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon.primary {
  background-color: rgba(0, 122, 255, 0.1);
  color: var(--color-info);
}

.stat-icon.success {
  background-color: rgba(52, 199, 89, 0.1);
  color: var(--color-success);
}

.stat-icon.warning {
  background-color: rgba(255, 149, 0, 0.1);
  color: var(--color-warning);
}

.stat-icon.error {
  background-color: rgba(255, 59, 48, 0.1);
  color: var(--color-error);
}

.stat-content {
  flex: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-1);
}

.stat-change {
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
}

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

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

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

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-link);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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

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

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

/* Form Row */
.form-row {
  display: grid;
  gap: var(--space-4);
}

.form-row.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: none;
}

.btn-primary {
  background-color: var(--color-btn-primary);
  color: #fff;
}

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

.btn-secondary {
  background-color: var(--color-btn-secondary);
  color: var(--color-text);
}

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

.btn-success {
  background-color: var(--color-success);
  color: #fff;
}

.btn-danger {
  background-color: var(--color-error);
  color: #fff;
}

.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-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   Status Badge
   ============================================ */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid;
}

/* ============================================
   Tables (Forbidden - Use divs instead!)
   ============================================ */

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-6);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.pagination-item:hover {
  border-color: var(--color-link);
  color: var(--color-link);
}

.pagination-item.active {
  background-color: var(--color-link);
  border-color: var(--color-link);
  color: #fff;
}

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

/* ============================================
   Modal
   ============================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
}

.modal-backdrop.show {
  display: flex;
}

.modal {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 560px;
  width: 90%;
  max-height: 90vh;
  overflow: auto;
  z-index: var(--z-modal);
}

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

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text-secondary);
}

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

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* Page Header */
/* Page Header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.5px;
}

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

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.tab.active {
  color: var(--color-link);
  border-bottom-color: var(--color-link);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-bg);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.empty-state-icon svg {
  width: 32px;
  height: 32px;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.empty-state-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* Filters */
.filter-card {
  margin-bottom: var(--space-6);
}

.filter-row {
  display: flex;
  gap: var(--space-4);
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-row .btn {
  height: 42px;
  /* Standard input height approx */
}

/* ============================================
   Auth Pages
   ============================================ */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: var(--space-6);
}

.auth-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-10);
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-logo h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
}

.auth-logo p {
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.auth-footer a {
  color: var(--color-link);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* Error Page */
.error-page {
  text-align: center;
  padding: var(--space-8);
}

.error-code {
  font-size: 120px;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
}

.error-title {
  font-size: var(--font-size-2xl);
  margin-top: var(--space-4);
}

.error-description {
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.error-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-8);
}

/* ============================================
   Search & Filters
   ============================================ */
.search-bar {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.search-input-wrapper {
  flex: 1;
  position: relative;
}

.search-input {
  width: 100%;
  padding-left: var(--space-10);
}

.search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

/* Filter Dropdown */
.filter-dropdown {
  position: relative;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
}

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

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

.filter-option {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.filter-option:hover {
  background-color: var(--color-surface);
}

/* ============================================
   Progress Tracker (Shipment)
   ============================================ */
.progress-tracker {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  padding: var(--space-4) 0;
}

.progress-tracker::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 24px;
  right: 24px;
  height: 2px;
  background-color: var(--color-border);
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
}

.progress-step:last-child {
  flex: 0;
}

.progress-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-card);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  z-index: 1;
}

.progress-step.completed .progress-icon {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.progress-step.active .progress-icon {
  background-color: var(--color-link);
  border-color: var(--color-link);
  color: #fff;
}

.progress-label {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  text-align: center;
  color: var(--color-text-muted);
}

.progress-step.completed .progress-label,
.progress-step.active .progress-label {
  color: var(--color-text);
  font-weight: 500;
}


/* ============================================
   Alerts & Messages
   ============================================ */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.alert-success {
  background-color: rgba(52, 199, 89, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.alert-error {
  background-color: rgba(255, 59, 48, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.alert-warning {
  background-color: rgba(255, 149, 0, 0.1);
  border: 1px solid var(--color-warning);
  color: var(--color-warning);
}

.alert-info {
  background-color: rgba(0, 122, 255, 0.1);
  border: 1px solid var(--color-info);
  color: var(--color-info);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 768px) {
  .app-container {
    grid-template-columns: 1fr;
  }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.show {
    transform: translateX(0);
  }

  .sidebar-close {
    display: block;
  }

  .main-content {
    grid-column: 1;
  }

  .menu-toggle {
    display: block;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row.cols-2,
  .form-row.cols-3 {
    grid-template-columns: 1fr;
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .topbar {
    padding: 0 var(--space-4);
  }

  .topbar-breadcrumb {
    display: none;
  }

  .user-name {
    display: none;
  }

  .topbar-actions {
    margin-left: auto;
  }
}


@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-content {
    padding: var(--space-4);
  }

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

  .btn {
    width: 100%;
  }

  .search-bar {
    flex-direction: column;
  }

  .modal {
    width: 95%;
    margin: var(--space-4);
  }

  .auth-container {
    padding: var(--space-4);
  }

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

  .progress-tracker {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .progress-tracker::before {
    display: none;
  }

  .progress-step {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
  }

  .progress-label {
    margin-top: 0;
    text-align: left;
  }
}

/* Utilities */
.text-center {
  text-align: center;
}

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

.text-muted {
  color: var(--color-text-muted);
}

.text-success {
  color: var(--color-success);
}

.text-error {
  color: var(--color-error);
}

.text-warning {
  color: var(--color-warning);
}

.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);
}

.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);
}

.flex {
  display: flex;
}

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

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

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

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

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

.w-full {
  width: 100%;
}

.hidden {
  display: none;
}

/* Password input wrapper */
.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper .form-input {
  flex: 1;
  padding-right: 44px;
}

.password-toggle {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color 0.2s;
}

.password-toggle:hover {
  color: var(--color-text);
}

.password-toggle svg {
  width: 20px;
  height: 20px;
}

.password-toggle .eye-off-icon,
.password-toggle.visible .eye-icon {
  display: none;
}

.password-toggle.visible .eye-off-icon {
  display: block;
}