/* ================================================================
   GroceryGo IMS — Core Design System
   ================================================================ */

/* ── CSS Variables ─────────────────────────────────────────────── */
:root {
  --sidebar-w: 260px;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-active: #3b82f6;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;

  --bg-body: #f1f5f9;
  --bg-card: #ffffff;
  --bg-input: #f8fafc;

  --primary: #3b82f6;
  --primary-dark: #1d4ed8;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --purple: #8b5cf6;
  --orange: #f97316;

  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.07), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;

  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ── App Layout ────────────────────────────────────────────────── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1000;
  transition: transform var(--transition);
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #6366f1);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}

.brand-name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.brand-sub {
  display: block;
  font-size: 11px;
  color: var(--sidebar-text);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

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

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 0;
  transition: all var(--transition);
  position: relative;
}

.nav-link i {
  width: 18px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}

.nav-link:hover {
  background: var(--sidebar-hover);
  color: #e2e8f0;
}

.nav-link.active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--sidebar-text-active);
  border-right: 3px solid var(--sidebar-active);
}

.nav-link.active i {
  color: var(--sidebar-active);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--sidebar-active);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}

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

/* ── Top Navbar ────────────────────────────────────────────────── */
.topnav {
  height: 64px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.sidebar-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 14px;
  transition: all var(--transition);
}

.sidebar-toggle:hover {
  background: var(--bg-body);
  color: var(--primary);
}

.topnav-title {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.topnav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), #6366f1);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.user-role {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: capitalize;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  display: grid;
  place-items: center;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-logout:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: var(--danger);
}

/* ── Page Content ──────────────────────────────────────────────── */
.page-content {
  flex: 1;
  padding: 28px 32px;
}

/* ── Page Header ───────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

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

/* ── Cards ─────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 24px;
}

/* ── KPI Stat Cards ────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

.stat-icon.blue {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.stat-icon.green {
  background: linear-gradient(135deg, #10b981, #059669);
}

.stat-icon.orange {
  background: linear-gradient(135deg, #f97316, #ea580c);
}

.stat-icon.purple {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.stat-icon.cyan {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.stat-icon.danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.stat-info {
  flex: 1;
  min-width: 0;
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  font-weight: 500;
}

.stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Content Grid ──────────────────────────────────────────────── */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.content-grid.two-col {
  grid-template-columns: 1fr 1fr;
}

.content-grid.sidebar-layout {
  grid-template-columns: 1fr 340px;
}

/* ── Tables ────────────────────────────────────────────────────── */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

thead th {
  background: var(--bg-body);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}

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

tbody tr:hover td {
  background: #f8fafc;
}

.table-actions {
  display: flex;
  gap: 6px;
}

/* ── Badges ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  gap: 4px;
}

.badge-in,
.badge-success {
  background: #dcfce7;
  color: #15803d;
}

.badge-out,
.badge-danger {
  background: #fee2e2;
  color: #b91c1c;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-info {
  background: #e0f2fe;
  color: #0369a1;
}

.badge-gray {
  background: #f1f5f9;
  color: #475569;
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn i {
  font-size: 13px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
  color: #fff;
}

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

.btn-success:hover {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

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

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

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

.btn-warning:hover {
  background: #d97706;
}

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

.btn-info:hover {
  background: #0891b2;
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--bg-body);
  color: var(--text-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 15px;
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  justify-content: center;
}

/* ── Forms ─────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

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

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-input);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background: #fff;
}

.form-control:disabled {
  background: #f1f5f9;
  color: var(--text-muted);
  cursor: not-allowed;
}

select.form-control {
  cursor: pointer;
}

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

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

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

.form-help {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Search Bar ────────────────────────────────────────────────── */
.search-wrapper {
  position: relative;
}

.search-wrapper i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
}

.search-input {
  padding-left: 36px;
}

/* ── Modal ─────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}

.modal-overlay.open {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

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

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease;
}

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

.modal-xl {
  max-width: 900px;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 18px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  display: grid;
  place-items: center;
  transition: all var(--transition);
}

.modal-close:hover {
  background: #fee2e2;
  color: var(--danger);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── Toast Notifications ───────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--success);
  min-width: 280px;
  max-width: 380px;
  animation: toastIn 0.3s ease;
  border: 1px solid var(--border);
  border-left-width: 4px;
}

@keyframes toastIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.fadeout {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.toast.success {
  border-left-color: var(--success);
}

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

.toast.warning {
  border-left-color: var(--warning);
}

.toast.info {
  border-left-color: var(--info);
}

.toast-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.toast.success .toast-icon {
  color: var(--success);
}

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

.toast.warning .toast-icon {
  color: var(--warning);
}

.toast.info .toast-icon {
  color: var(--info);
}

.toast-msg {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── Progress Bar ──────────────────────────────────────────────── */
.progress-bar-wrap {
  background: var(--border);
  border-radius: 100px;
  height: 8px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--purple));
  border-radius: 100px;
  transition: width 0.4s ease;
}

/* ── Empty State ───────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 64px 24px;
}

.empty-state-icon {
  font-size: 56px;
  color: var(--border);
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 300px;
  margin: 0 auto 20px;
}

/* ── Alerts ────────────────────────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.alert i {
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.alert-danger {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  color: #9f1239;
}

.alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #14532d;
}

.alert-info {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  color: #0c4a6e;
}

/* ── Pagination ────────────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.pagination a,
.pagination span {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all var(--transition);
  background: var(--bg-card);
}

.pagination a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination .current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination .disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── QR Card ───────────────────────────────────────────────────── */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.qr-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

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

.qr-card img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  margin-bottom: 12px;
}

.qr-bag-code {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: monospace;
  letter-spacing: 1px;
}

.qr-product {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.qr-details {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Scan Area ─────────────────────────────────────────────────── */
#reader {
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--primary);
}

.scan-result-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 2px solid var(--success);
}

/* ── Filter Bar ────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 18px 24px;
  background: var(--bg-body);
  border-bottom: 1px solid var(--border);
}

.filter-bar .form-group {
  margin-bottom: 0;
  min-width: 160px;
}

/* ── Charts ────────────────────────────────────────────────────── */
.chart-container {
  position: relative;
  height: 280px;
}

/* ── Login Page ────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
  bottom: -50px;
  right: -50px;
  pointer-events: none;
}

.login-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 48px 44px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
  animation: slideUp 0.4s ease;
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}

.login-logo-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--primary), #6366f1);
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 28px;
  color: #fff;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.login-logo h1 {
  font-size: 24px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.login-logo p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 4px;
}

.login-card .form-label {
  color: rgba(255, 255, 255, 0.7);
}

.login-card .form-control {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.login-card .form-control::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.login-card .form-control:focus {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.login-card .btn-primary {
  width: 100%;
  padding: 13px;
  justify-content: center;
  font-size: 15px;
  margin-top: 8px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.login-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 12px 16px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  gap: 8px;
  align-items: center;
}

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

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

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

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

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

.text-primary-c {
  color: var(--primary);
}

.fw-bold {
  font-weight: 700;
}

.fw-600 {
  font-weight: 600;
}

.d-flex {
  display: flex;
}

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

.gap-8 {
  gap: 8px;
}

.gap-12 {
  gap: 12px;
}

.mt-4 {
  margin-top: 4px;
}

.mt-8 {
  margin-top: 8px;
}

.mt-16 {
  margin-top: 16px;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.mono {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  letter-spacing: 0.5px;
}

/* ── Sidebar Backdrop (mobile overlay) ─────────────────────────── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 999;
  backdrop-filter: blur(2px);
  animation: fadeIn 0.2s ease;
}

.sidebar-backdrop.active {
  display: block;
}

/* ── Bottom Navigation Bar (mobile) ────────────────────────────── */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--sidebar-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0 4px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
}

.mobile-nav-items {
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 4px 6px;
  gap: 3px;
  color: var(--sidebar-text);
  font-size: 10px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
  min-height: 56px;
  border-radius: 8px;
  margin: 4px 2px;
}

.mobile-nav-item i {
  font-size: 18px;
  line-height: 1;
}

.mobile-nav-item.active {
  color: var(--primary);
  background: rgba(59, 130, 246, 0.12);
}

.mobile-nav-item:hover {
  color: #e2e8f0;
}

.mobile-nav-more {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 4px 6px;
  gap: 3px;
  color: var(--sidebar-text);
  font-size: 10px;
  font-weight: 500;
  min-height: 56px;
  cursor: pointer;
  border: none;
  background: none;
  border-radius: 8px;
  margin: 4px 2px;
}

.mobile-nav-more i {
  font-size: 18px;
  line-height: 1;
}

/* ── Responsive: Tablet (1024px) ────────────────────────────────── */
@media (max-width: 1024px) {
  .content-grid.sidebar-layout {
    grid-template-columns: 1fr;
  }

  .content-grid.two-col {
    grid-template-columns: 1fr;
  }

  .page-content {
    padding: 20px 24px;
  }
}

/* ── Responsive: Mobile (768px) ─────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --sidebar-w: 280px;
  }

  /* Sidebar slides in from left over content */
  .sidebar {
    transform: translateX(-100%);
    z-index: 1001;
    box-shadow: none;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 32px rgba(0, 0, 0, 0.4);
  }

  /* Main content fills full width */
  .main-content {
    margin-left: 0;
    padding-bottom: 72px;
    /* room for bottom nav */
  }

  /* Top navbar */
  .topnav {
    padding: 0 16px;
    height: 56px;
  }

  .topnav-title {
    font-size: 15px;
  }

  /* Hide user details text on mobile — show only avatar */
  .user-details {
    display: none;
  }

  /* Page layout */
  .page-content {
    padding: 16px;
  }

  .page-header {
    gap: 12px;
    margin-bottom: 20px;
  }

  .page-header-left h1 {
    font-size: 18px;
  }

  .page-header-left p {
    font-size: 12px;
  }

  /* Show bottom nav, hide sidebar nav links on mobile */
  .mobile-bottom-nav {
    display: block;
  }

  /* Cards */
  .card-header {
    padding: 14px 16px;
  }

  .card-body {
    padding: 16px;
  }

  /* Stats grid — 2 columns on tablet/mobile */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
  }

  .stat-card {
    padding: 16px 14px;
    gap: 12px;
  }

  .stat-icon {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .stat-value {
    font-size: 22px;
  }

  /* Forms */
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .form-control {
    font-size: 16px;
  }

  /* prevents iOS auto-zoom */
  select.form-control {
    font-size: 16px;
  }

  /* Grids collapse */
  .content-grid.sidebar-layout {
    grid-template-columns: 1fr;
  }

  .content-grid.two-col {
    grid-template-columns: 1fr;
  }

  /* Tables → card layout on mobile */
  .table-card-mobile thead {
    display: none;
  }

  .table-card-mobile tbody tr {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    padding: 12px 14px;
    box-shadow: var(--shadow-sm);
  }

  .table-card-mobile tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    border-bottom: none;
    font-size: 13px;
  }

  .table-card-mobile tbody td::before {
    content: attr(data-label);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    margin-right: 8px;
  }

  .table-card-mobile tbody tr:last-child {
    margin-bottom: 0;
  }

  /* Modals — full screen on mobile */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal {
    max-width: 100%;
    border-radius: var(--radius) var(--radius) 0 0;
    max-height: 92vh;
    animation: slideUpModal 0.25s ease;
  }

  .modal-lg,
  .modal-xl {
    max-width: 100%;
  }

  @keyframes slideUpModal {
    from {
      transform: translateY(100%);
    }

    to {
      transform: translateY(0);
    }
  }

  .modal-header {
    padding: 18px 20px 14px;
  }

  .modal-body {
    padding: 16px 20px;
  }

  .modal-footer {
    padding: 12px 20px 20px;
    flex-wrap: wrap;
  }

  .modal-footer .btn {
    flex: 1;
    justify-content: center;
  }

  /* Pull handle indicator for bottom sheet modals */
  .modal::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 10px auto -6px;
  }

  /* Buttons — bigger touch targets */
  .btn {
    padding: 10px 16px;
    font-size: 13.5px;
    min-height: 42px;
  }

  .btn-sm {
    padding: 8px 12px;
    min-height: 36px;
  }

  .btn-icon {
    width: 40px;
    height: 40px;
  }

  /* Toast — full width bottom */
  #toast-container {
    bottom: 80px;
    /* above bottom nav */
    right: 12px;
    left: 12px;
  }

  .toast {
    min-width: unset;
    max-width: 100%;
    width: 100%;
  }

  /* Filter bar wraps tightly */
  .filter-bar {
    padding: 12px 16px;
    gap: 10px;
  }

  .filter-bar .form-group {
    min-width: unset;
    flex: 1;
  }

  /* QR grid — 2 columns on mobile */
  .qr-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .qr-card {
    padding: 12px 10px;
  }

  /* Scan page layout */
  #reader {
    min-height: 240px !important;
  }

  /* Chart shorter on mobile */
  .chart-container {
    height: 200px;
  }

  /* Login page */
  .login-card {
    padding: 36px 24px;
  }

  /* Text overflow in tables */
  .truncate {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Sticky actions bar for forms */
  .mobile-sticky-actions {
    position: sticky;
    bottom: 72px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    margin: 0 -16px -16px;
    display: flex;
    gap: 10px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06);
    z-index: 10;
  }

  .mobile-sticky-actions .btn {
    flex: 1;
    justify-content: center;
  }

  /* Floating Action Button (FAB) alternative */
  .fab {
    position: fixed;
    bottom: calc(72px + 16px);
    right: 16px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 22px;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.45);
    z-index: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
  }

  .fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.55);
  }
}

/* ── Responsive: Small Mobile (480px) ──────────────────────────── */
@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 14px 12px;
  }

  .stat-icon {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .stat-value {
    font-size: 20px;
  }

  .stat-label {
    font-size: 11px;
  }

  .topnav {
    padding: 0 12px;
  }

  /* Single column QR on very small screens */
  .qr-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Page header stacks */
  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .page-header>div:last-child {
    display: flex;
    gap: 8px;
  }

  .page-header>div:last-child .btn {
    flex: 1;
    justify-content: center;
  }

  /* Card padding tighter */
  .card-body {
    padding: 14px;
  }

  .card-header {
    padding: 12px 14px;
  }

  /* Login card narrower */
  .login-card {
    padding: 28px 20px;
  }

  .login-logo-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }

  .login-logo h1 {
    font-size: 20px;
  }

  .table-card-mobile tbody td {
    font-size: 12.5px;
  }
}

/* ── Touch Device Enhancements ──────────────────────────────────── */
@media (hover: none) and (pointer: coarse) {

  /* Remove hover effects that feel wrong on touch */
  .stat-card:hover {
    transform: none;
    box-shadow: var(--shadow);
  }

  .btn-primary:hover {
    transform: none;
    box-shadow: none;
  }

  .btn-success:hover {
    transform: none;
    box-shadow: none;
  }

  /* Bigger tap areas */
  .nav-link {
    padding: 14px 20px;
  }

  tbody td {
    padding: 14px 16px;
  }

  /* Active state feedback instead of hover */
  .btn:active {
    transform: scale(0.97);
    opacity: 0.9;
  }

  .nav-link:active {
    background: var(--sidebar-hover);
  }
}

/* ── Safe area for notched phones ───────────────────────────────── */
@supports (padding: env(safe-area-inset-bottom)) {
  .main-content {
    padding-bottom: max(72px, calc(72px + env(safe-area-inset-bottom)));
  }

  .mobile-bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
  }
}