/* ============================================================
   Almeera Inventory - Design System CSS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================================
   CSS Variables
   ============================================================ */
:root {
  /* Foundation */
  --canvas: #F8FAFC;
  --surface: #FFFFFF;
  --border: #E2E8F0;
  --border-light: #F1F5F9;

  /* Text */
  --text-primary: #0F172A;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;

  /* Navigation */
  --shell-primary: #0F172A;
  --shell-secondary: #1E293B;
  --interactive: #2563EB;

  /* Status */
  --status-success: #16A34A;
  --status-warning: #D97706;
  --status-danger: #DC2626;
  --status-success-bg: #F0FDF4;
  --status-warning-bg: #FFFBEB;
  --status-danger-bg: #FEF2F2;

  /* Warehouse */
  --warehouse-kantor: #475569;
  --warehouse-dapur-a: #4F46E5;
  --warehouse-dapur-r: #0891B2;
  --warehouse-kandang: #B45309;

  /* Layout */
  --sidebar-width: 240px;
  --topbar-height: 56px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

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

html {
  font-size: 14px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--canvas);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================================
   Layout
   ============================================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--shell-primary);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  flex-shrink: 0;
}

.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-topbar {
  height: var(--topbar-height);
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.app-content {
  padding: 24px;
  flex: 1;
}

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar-brand {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand-name {
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}

.sidebar-brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

.sidebar-nav {
  padding: 8px 0;
}

.sidebar-section {
  padding: 12px 20px 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  font-size: 13px;
  color: #94A3B8;
  cursor: pointer;
  transition: background-color 0.1s, color 0.1s;
  border-left: 3px solid transparent;
  text-decoration: none;
}

.sidebar-item:hover {
  background-color: var(--shell-secondary);
  color: #CBD5E1;
}

.sidebar-item.active {
  background-color: var(--shell-secondary);
  color: #FFFFFF;
  border-left-color: var(--interactive);
}

.sidebar-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-item.active svg {
  opacity: 1;
}

/* ============================================================
   Topbar
   ============================================================ */
.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
}

.topbar-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--shell-secondary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

.notif-menu.open {
  display: block !important;
}

.notif-item:hover {
  background-color: var(--canvas);
}

.topbar-user-dropdown {
  position: relative;
}

.topbar-user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  font-family: inherit;
}

.topbar-user-btn:hover {
  background-color: var(--canvas);
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 160px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  z-index: 200;
  display: none;
}

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

.dropdown-item {
  display: block;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-primary);
  text-decoration: none;
}

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

.dropdown-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

/* ============================================================
   Page Header
   ============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.page-header-left h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.page-header-left p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.breadcrumb a:hover {
  color: var(--text-secondary);
}

.breadcrumb-sep {
  color: var(--border);
}

.breadcrumb span:last-child {
  color: var(--text-secondary);
}

/* ============================================================
   Card
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 20px;
}

/* ============================================================
   Stat Cards
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.stat-value.danger  { color: var(--status-danger); }
.stat-value.warning { color: var(--status-warning); }
.stat-value.success { color: var(--status-success); }

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.1s, border-color 0.1s, opacity 0.1s;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--interactive);
  color: #FFFFFF;
  border-color: var(--interactive);
}

.btn-primary:hover:not(:disabled) {
  background-color: #1D4ED8;
  border-color: #1D4ED8;
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--canvas);
}

.btn-danger {
  background-color: var(--status-danger);
  color: #FFFFFF;
  border-color: var(--status-danger);
}

.btn-danger:hover:not(:disabled) {
  background-color: #B91C1C;
}

.btn-success {
  background-color: var(--status-success);
  color: #FFFFFF;
  border-color: var(--status-success);
}

.btn-sm {
  height: 26px;
  padding: 0 8px;
  font-size: 12px;
}

/* ============================================================
   Forms
   ============================================================ */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.form-label .required {
  color: var(--status-danger);
  margin-left: 2px;
}

.form-control {
  display: block;
  width: 100%;
  height: 32px;
  padding: 0 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--surface);
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.1s, box-shadow 0.1s;
}

.form-control:focus {
  border-color: var(--interactive);
  box-shadow: 0 0 0 1px var(--interactive);
}

.form-control:disabled {
  background-color: var(--canvas);
  color: var(--text-muted);
}

textarea.form-control {
  height: auto;
  min-height: 80px;
  padding: 8px 10px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394A3B8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px;
  padding-right: 28px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 12px;
  color: var(--status-danger);
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row.col-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

/* ============================================================
   Table
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
}

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

.data-table thead th {
  background-color: var(--canvas);
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.1s;
}

.data-table tbody tr:hover {
  background-color: var(--canvas);
}

.data-table tbody td {
  padding: 10px 14px;
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table td.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.data-table td.num {
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.data-table th.num {
  text-align: right;
}

.data-table td.actions {
  white-space: nowrap;
}

/* ============================================================
   Badges & Status
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.status-success { background-color: var(--status-success-bg); color: var(--status-success); }
.status-warning { background-color: var(--status-warning-bg); color: var(--status-warning); }
.status-danger  { background-color: var(--status-danger-bg);  color: var(--status-danger); }

.badge-primary { background-color: #EFF6FF; color: var(--interactive); }
.badge-neutral { background-color: var(--canvas); color: var(--text-secondary); border: 1px solid var(--border); }

.warehouse-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  color: #FFFFFF;
}

/* ============================================================
   Filter Bar
   ============================================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-bar .form-control {
  width: auto;
  min-width: 150px;
}

.filter-bar .search-input {
  min-width: 220px;
}

/* Advanced Filter Accordion */
.filter-advanced-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 10px;
  height: 32px;
  font-size: 12px;
  font-family: inherit;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.1s;
}

.filter-advanced-toggle:hover {
  background: var(--canvas);
}

.filter-advanced-toggle .arrow {
  transition: transform 0.2s;
  display: inline-block;
}

.filter-advanced-toggle.open .arrow {
  transform: rotate(180deg);
}

.filter-advanced-panel {
  display: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: var(--canvas);
  margin-top: 8px;
}

.filter-advanced-panel.open {
  display: block;
}

.filter-advanced-panel .filter-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-advanced-panel .filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-advanced-panel .filter-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.filter-advanced-panel .filter-group .form-control {
  width: auto;
  min-width: 140px;
}

.filter-summary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--interactive);
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.filter-summary strong {
  font-weight: 600;
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--interactive);
  color: #FFFFFF;
  padding: 1px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 500;
}

.sort-link {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

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

.sort-link.active {
  color: var(--interactive);
}

.sort-link .sort-icon {
  font-size: 8px;
}

/* ============================================================
   Flash Messages
   ============================================================ */
.flash {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.flash-success {
  background-color: var(--status-success-bg);
  color: #166534;
  border: 1px solid #BBF7D0;
}

.flash-error {
  background-color: var(--status-danger-bg);
  color: #991B1B;
  border: 1px solid #FECACA;
}

.flash-warning {
  background-color: var(--status-warning-bg);
  color: #92400E;
  border: 1px solid #FDE68A;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s;
}

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

.modal {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.modal-lg {
  max-width: 720px;
}

.modal-xl {
  max-width: 960px;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.modal-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.modal-close:hover {
  background: var(--canvas);
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

/* ============================================================
   Dynamic Item Rows
   ============================================================ */
.items-container {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.item-row {
  display: grid;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
}

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

.item-row-header {
  background-color: var(--canvas);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
}

.item-row-header.col-in  { grid-template-columns: 2fr 1fr 1fr auto; }
.item-row-header.col-out { grid-template-columns: 2fr 2fr 1fr 1fr auto; }
.item-row.col-in  { grid-template-columns: 2fr 1fr 1fr auto; }
.item-row.col-out { grid-template-columns: 2fr 2fr 1fr 1fr auto; }

.btn-remove-row {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--status-danger);
}

.btn-remove-row:hover {
  background: var(--status-danger-bg);
  border-color: var(--status-danger);
}

.btn-add-row {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 10px 14px;
  background: var(--canvas);
  border: none;
  border-top: 1px solid var(--border);
  cursor: pointer;
  font-size: 13px;
  color: var(--interactive);
  font-family: inherit;
  text-align: left;
}

.btn-add-row:hover {
  background-color: #EFF6FF;
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
}

.pagination-info {
  font-size: 12px;
  color: var(--text-muted);
  flex: 1;
}

.page-btn {
  height: 28px;
  min-width: 28px;
  padding: 0 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-family: inherit;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
}

.page-btn:hover {
  background: var(--canvas);
}

.page-btn.active {
  background: var(--interactive);
  color: #FFFFFF;
  border-color: var(--interactive);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 14px;
}

/* ============================================================
   Toast
   ============================================================ */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--shell-primary);
  color: #FFFFFF;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  max-width: 320px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.success { background-color: #166534; }
.toast.error   { background-color: #991B1B; }
.toast.warning { background-color: #92400E; }

/* ============================================================
   Login Page
   ============================================================ */
.login-page {
  min-height: 100vh;
  background-color: var(--canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 360px;
  padding: 36px 32px;
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--shell-primary);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.login-logo h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.login-logo p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.login-form .btn {
  width: 100%;
  justify-content: center;
  height: 36px;
  margin-top: 4px;
}

/* ============================================================
   Dashboard Warehouse Grid
   ============================================================ */
.warehouse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.warehouse-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border-top: 3px solid;
}

.warehouse-card-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.warehouse-card-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.warehouse-card-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ============================================================
   Utilities
   ============================================================ */
.text-muted    { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-danger   { color: var(--status-danger); }
.text-success  { color: var(--status-success); }
.text-warning  { color: var(--status-warning); }
.font-mono     { font-family: 'JetBrains Mono', monospace; font-size: 12px; }
.fw-600        { font-weight: 600; }
.mt-4          { margin-top: 4px; }
.mt-8          { margin-top: 8px; }
.mt-16         { margin-top: 16px; }
.mb-8          { margin-bottom: 8px; }
.mb-16         { margin-bottom: 16px; }
.mb-24         { margin-bottom: 24px; }
.d-flex        { display: flex; }
.align-center  { align-items: center; }
.gap-8         { gap: 8px; }
.gap-16        { gap: 16px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .warehouse-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .form-row.col-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .app-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s;
  }

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

  .app-main {
    margin-left: 0;
  }

  .app-topbar {
    padding: 0 16px;
  }

  .app-content {
    padding: 16px;
  }

  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .warehouse-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .form-row { grid-template-columns: 1fr; }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-bar .form-control,
  .filter-bar .search-input {
    width: 100%;
    min-width: auto;
  }

  .item-row.col-in  { grid-template-columns: 1fr 1fr auto; }
  .item-row.col-out { grid-template-columns: 1fr 1fr auto; }
  .item-row-header.col-in  { grid-template-columns: 1fr 1fr auto; }
  .item-row-header.col-out { grid-template-columns: 1fr 1fr auto; }

  .hamburger-btn {
    display: flex;
  }

  .sidebar-overlay {
    display: block;
  }
}

.hamburger-btn {
  display: none;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  margin-right: 8px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 90;
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .warehouse-grid { grid-template-columns: 1fr 1fr; }
  .modal { max-width: 100%; margin: 16px; }
}

/* ============================================================
   Print Stylesheet
   ============================================================ */
@media print {
  .app-sidebar,
  .app-topbar,
  .page-header-actions,
  .breadcrumb,
  .filter-bar,
  .pagination,
  .actions,
  .modal-overlay,
  #toast-container {
    display: none !important;
  }

  body, html {
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 12px !important;
  }

  .app-main {
    margin-left: 0 !important;
  }

  .app-content {
    padding: 0 !important;
  }

  .card {
    border: none !important;
    box-shadow: none !important;
  }

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

  .stat-card {
    border: 1px solid #CCC !important;
  }

  table.data-table {
    border: 1px solid #CCC !important;
  }

  table.data-table th, table.data-table td {
    border-bottom: 1px solid #DDD !important;
    color: #000 !important;
  }

  .warehouse-badge, .badge {
    border: 1px solid #999 !important;
    color: #000 !important;
    background: #EEE !important;
  }
}