/* =============================================
   RRB Voorraad — Design System
   ============================================= */

:root {
  --color-primary: #1a6aa3;
  --color-primary-dark: #155888;
  --color-accent: #00c130;
  --color-accent-dark: #009e26;
  --color-warning: #ef6c00;
  --color-danger: #dc3545;
  --color-danger-dark: #b02a37;
  --color-text: #212529;
  --color-text-muted: #6c757d;
  --color-border: #ddd;
  --color-bg: #f8f9fa;
  --color-bg-white: #ffffff;
  --color-sidebar-bg: #1a2533;
  --color-sidebar-text: #c9d1d9;
  --color-sidebar-hover: rgba(255,255,255,0.08);
  --color-sidebar-active: rgba(26,106,163,0.3);
  --sidebar-width: 220px;
  --sidebar-collapsed-width: 56px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-body: 14px;
  --font-size-small: 12px;
  --font-size-large: 16px;
  --border-radius-card: 8px;
  --border-radius-btn: 4px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
}

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

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* =============================================
   Layout
   ============================================= */

.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 100vh;
  height: 100vh;
  overflow: hidden;
  transition: grid-template-columns 0.2s ease;
}

.app-layout.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

.main-content {
  overflow-y: auto;
  display: grid;
  grid-template-rows: auto 1fr;
}

.page-body {
  padding: var(--spacing-xl);
}

/* =============================================
   Sidebar
   ============================================= */

.sidebar {
  background: var(--color-sidebar-bg);
  color: var(--color-sidebar-text);
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  position: relative;
  z-index: 100;
}

.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-height: 56px;
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--border-radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 13px;
  color: white;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  color: white;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.2s;
}

.sidebar-collapsed .sidebar-title { opacity: 0; width: 0; }

.sidebar-nav {
  overflow-y: auto;
  padding: var(--spacing-sm) 0;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 10px var(--spacing-lg);
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 0;
  white-space: nowrap;
  color: var(--color-sidebar-text);
  position: relative;
  user-select: none;
}

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

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-item.active .nav-icon { opacity: 1; }

.nav-label {
  font-size: 13px;
  overflow: hidden;
  transition: opacity 0.2s, width 0.2s;
}

.sidebar-collapsed .nav-label { opacity: 0; width: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--color-danger);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
  flex-shrink: 0;
}

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

.nav-section-label {
  padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-xs);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.3);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-collapsed .nav-section-label { opacity: 0; }

.sidebar-footer {
  padding: var(--spacing-sm) 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.user-name {
  font-size: 13px;
  color: var(--color-sidebar-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.sidebar-collapsed .user-name { opacity: 0; width: 0; }

.collapse-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 10px var(--spacing-lg);
  cursor: pointer;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  transition: color 0.15s;
}

.collapse-btn:hover { color: white; }

/* =============================================
   Mobile Sidebar Overlay
   ============================================= */

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
}

.mobile-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-sidebar-bg);
  color: var(--color-sidebar-text);
  z-index: 201;
  display: grid;
  grid-template-rows: auto 1fr auto;
  transform: translateX(-100%);
  transition: transform 0.25s ease;
}

.mobile-sidebar.open { transform: translateX(0); }

@media (max-width: 768px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
  .app-layout.sidebar-collapsed {
    grid-template-columns: 1fr;
  }
  .sidebar { display: none; }
  .mobile-overlay.active { display: block; }
}

/* =============================================
   Top Bar (mobile hamburger)
   ============================================= */

.topbar {
  display: none;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

@media (max-width: 768px) {
  .topbar { display: flex; }
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =============================================
   Page Header
   ============================================= */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.page-header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.page-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

.page-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-muted);
  font-size: 13px;
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-btn);
  transition: background 0.15s, color 0.15s;
}

.back-btn:hover { background: var(--color-bg); color: var(--color-text); }

/* =============================================
   Cards
   ============================================= */

.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-subtitle {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: normal;
  margin-left: auto;
}

/* =============================================
   Stat Cards
   ============================================= */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-lg);
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.stat-value.primary { color: var(--color-primary); }
.stat-value.accent { color: var(--color-accent); }
.stat-value.warning { color: var(--color-warning); }
.stat-value.danger { color: var(--color-danger); }

.stat-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* =============================================
   Dashboard Grid
   ============================================= */

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--spacing-xl);
}

@media (max-width: 1100px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   Tables
   ============================================= */

.table-container {
  overflow-x: auto;
  border-radius: var(--border-radius-card);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  margin-bottom: var(--spacing-lg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: var(--color-bg);
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.data-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

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

.data-table tbody tr:hover { background: #f6f8fa; }

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

.table-empty {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
}

/* Responsive table → cards */
@media (max-width: 640px) {
  .responsive-table .data-table thead { display: none; }
  .responsive-table .data-table tr {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-card);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-white);
  }
  .responsive-table .data-table td {
    display: grid;
    grid-template-columns: 120px 1fr;
    border-bottom: none;
    padding: var(--spacing-xs) 0;
  }
  .responsive-table .data-table td::before {
    content: attr(data-label);
    font-weight: 600;
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    align-self: center;
  }
  .table-container { border: none; background: transparent; }
}

/* =============================================
   Buttons
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 7px var(--spacing-md);
  border: 1px solid transparent;
  border-radius: var(--border-radius-btn);
  font-size: 13px;
  font-family: var(--font-family);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

.btn-accent { background: var(--color-accent); color: white; border-color: var(--color-accent); }
.btn-accent:hover:not(:disabled) { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }

.btn-danger { background: var(--color-danger); color: white; border-color: var(--color-danger); }
.btn-danger:hover:not(:disabled) { background: var(--color-danger-dark); border-color: var(--color-danger-dark); }

.btn-outline { background: white; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover:not(:disabled) { background: var(--color-primary); color: white; }

.btn-outline-danger { background: white; color: var(--color-danger); border-color: var(--color-danger); }
.btn-outline-danger:hover:not(:disabled) { background: var(--color-danger); color: white; }

.btn-ghost { background: transparent; color: var(--color-text-muted); border-color: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--color-bg); color: var(--color-text); }

.btn-sm { padding: 4px var(--spacing-sm); font-size: 12px; }
.btn-lg { padding: 10px var(--spacing-xl); font-size: 15px; }

.btn-icon { padding: var(--spacing-xs); }

/* =============================================
   Forms
   ============================================= */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

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

.form-control {
  width: 100%;
  padding: 7px var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-btn);
  font-size: 13px;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg-white);
  transition: border-color 0.15s;
  outline: none;
}

.form-control:focus { border-color: var(--color-primary); }
.form-control:disabled { background: var(--color-bg); color: var(--color-text-muted); cursor: not-allowed; }

textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { cursor: pointer; }

.form-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.form-error {
  font-size: 12px;
  color: var(--color-danger);
  margin-top: var(--spacing-xs);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* =============================================
   Toolbar / Filters
   ============================================= */

.toolbar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.toolbar-right { margin-left: auto; }

.search-input {
  min-width: 220px;
  padding: 7px var(--spacing-md);
  padding-left: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-btn);
  font-size: 13px;
  font-family: var(--font-family);
  outline: none;
  transition: border-color 0.15s;
  background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 10px center;
}

.search-input:focus { border-color: var(--color-primary); }

/* =============================================
   Badges
   ============================================= */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--border-radius-btn);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-secondary { background: #e2e3e5; color: #383d41; }
.badge-primary { background: #cce5ff; color: #004085; }

/* =============================================
   Activity Feed
   ============================================= */

.activity-list {
  list-style: none;
}

.activity-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  margin-top: 5px;
}

.activity-text { flex: 1; }
.activity-meta { font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }
.activity-time { font-size: 11px; color: var(--color-text-muted); white-space: nowrap; }

/* =============================================
   Skeleton Loading
   ============================================= */

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

.skeleton {
  background: linear-gradient(90deg, #e8e8e8 25%, #f0f0f0 50%, #e8e8e8 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-btn);
}

.skeleton-text { height: 14px; margin-bottom: var(--spacing-sm); }
.skeleton-title { height: 20px; width: 40%; margin-bottom: var(--spacing-md); }
.skeleton-stat { height: 60px; border-radius: var(--border-radius-card); }
.skeleton-row { height: 48px; margin-bottom: 1px; }

/* =============================================
   Toast Notifications
   ============================================= */

.toast-container {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 360px;
}

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

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

.toast {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  animation: slideIn 0.25s ease;
  border-left: 4px solid var(--color-primary);
}

.toast.success { border-left-color: var(--color-accent); }
.toast.error { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }

.toast-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast.success .toast-icon { color: var(--color-accent); }
.toast.error .toast-icon { color: var(--color-danger); }
.toast.warning .toast-icon { color: var(--color-warning); }

.toast-message { flex: 1; }

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0;
  line-height: 1;
  font-size: 16px;
}

/* =============================================
   Modals
   ============================================= */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.modal {
  background: var(--color-bg-white);
  border-radius: var(--border-radius-card);
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-lg { max-width: 760px; }
.modal-sm { max-width: 400px; }

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

.modal-title {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 20px;
  line-height: 1;
  padding: var(--spacing-xs);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

/* =============================================
   Info Section (toggle)
   ============================================= */

.info-section {
  background: #e8f4fd;
  border: 1px solid #bee3f8;
  border-radius: var(--border-radius-card);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  font-size: 13px;
  color: #1a4a6e;
  line-height: 1.6;
}

/* =============================================
   Tabs
   ============================================= */

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.tab-item {
  padding: var(--spacing-sm) var(--spacing-lg);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.tab-item:hover { color: var(--color-text); }
.tab-item.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* =============================================
   Inline editing
   ============================================= */

.editable-field {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
}

.editable-field:hover .edit-hint { opacity: 1; }

.edit-hint {
  opacity: 0;
  color: var(--color-text-muted);
  transition: opacity 0.15s;
}

/* =============================================
   Scanner
   ============================================= */

.scanner-container {
  max-width: 480px;
  margin: 0 auto;
}

#qr-reader {
  border-radius: var(--border-radius-card);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

/* =============================================
   Pagination
   ============================================= */

.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  justify-content: center;
  padding: var(--spacing-lg) 0;
}

.pagination-btn {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-btn);
  cursor: pointer;
  font-size: 13px;
  background: white;
  color: var(--color-text);
  transition: background 0.15s;
}

.pagination-btn:hover:not(:disabled) { background: var(--color-bg); }
.pagination-btn.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* =============================================
   Toggle / Checkbox
   ============================================= */

.toggle-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
  font-size: 13px;
}

.toggle-input { display: none; }

.toggle-track {
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--color-border);
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.toggle-input:checked + .toggle-track { background: var(--color-accent); }

.toggle-track::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: transform 0.2s;
}

.toggle-input:checked + .toggle-track::after { transform: translateX(16px); }

/* =============================================
   Chart container
   ============================================= */

.chart-container {
  position: relative;
  height: 240px;
}

/* =============================================
   Stock quantity controls
   ============================================= */

.qty-control {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-btn);
  background: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: background 0.15s;
}

.qty-btn:hover { background: var(--color-bg); color: var(--color-text); }
.qty-display { font-size: 16px; font-weight: 700; min-width: 36px; text-align: center; }

/* =============================================
   Responsive stats grid
   ============================================= */

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-value { font-size: 18px; }
  .page-body { padding: var(--spacing-lg); }
}

/* =============================================
   Loading spinner
   ============================================= */

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

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* =============================================
   Detail sections
   ============================================= */

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

@media (max-width: 768px) {
  .detail-grid { grid-template-columns: 1fr; }
}

.detail-field {
  margin-bottom: var(--spacing-md);
}

.detail-field-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.detail-field-value {
  font-size: 14px;
  color: var(--color-text);
}

.detail-field-value.large {
  font-size: 18px;
  font-weight: 600;
}

/* =============================================
   Empty state
   ============================================= */

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-xl);
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.empty-state-text {
  font-size: 13px;
}

/* =============================================
   Misc utilities
   ============================================= */

.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-family: 'SFMono-Regular', 'Consolas', monospace; font-size: 12px; }
.fw-600 { font-weight: 600; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.w-full { width: 100%; }
[x-cloak] { display: none !important; }