/* =========================================================
   StockPulse — Premium Dark Theme Design System
   ========================================================= */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-tertiary: #1e293b;
  --bg-glass: rgba(17, 24, 39, 0.7);
  --bg-glass-hover: rgba(17, 24, 39, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.3);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.3);
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.3);
  --accent-rose: #f43f5e;
  --accent-rose-glow: rgba(244, 63, 94, 0.3);
  --accent-purple: #8b5cf6;
  --accent-purple-glow: rgba(139, 92, 246, 0.3);
  --sidebar-width: 260px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

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

/* --- Sidebar --- */
#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-glass);
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.custom-logo {
  height: 32px;
  width: auto;
  border-radius: 4px;
  object-fit: contain;
}

.logo-icon {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
  padding: 2px;
}

.logo-icon span {
  display: block;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
  transition: var(--transition);
}

.logo-icon span:nth-child(1) { height: 60%; }
.logo-icon span:nth-child(2) { height: 100%; }
.logo-icon span:nth-child(3) { height: 45%; }
.logo-icon span:nth-child(4) { height: 80%; }
.logo-icon span:nth-child(5) { height: 55%; }

.logo:hover .logo-icon span {
  background: linear-gradient(180deg, var(--accent-emerald), var(--accent-blue));
}

.logo h1 {
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-blue-glow), transparent);
  opacity: 0;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link:hover::before {
  opacity: 0.3;
}

.nav-link.active {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.1);
  box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.2);
}

.nav-link.active::before {
  opacity: 0.5;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--accent-blue);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 12px var(--accent-blue-glow);
}

.nav-link i,
.nav-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.nav-link span {
  position: relative;
  z-index: 1;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-glass);
  text-align: center;
}

.clock {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.version {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* --- Main Content --- */
#main-content {
  margin-left: var(--sidebar-width);
  padding: 32px;
  min-height: 100vh;
}

/* --- Page Header --- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header-left h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.page-header-left p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.page-header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* --- Cards --- */
.card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

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

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title i,
.card-title svg {
  width: 18px;
  height: 18px;
  color: var(--accent-blue);
}

/* --- Stat Cards --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
  opacity: 0.25;
}

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

.stat-icon i,
.stat-icon svg {
  width: 22px;
  height: 22px;
}

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

.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
}

/* Stat card variants */
.stat-card--blue .stat-icon {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  box-shadow: 0 0 20px var(--accent-blue-glow);
}
.stat-card--blue::before { background: var(--accent-blue); }
.stat-card--blue .stat-number { color: var(--accent-blue); }

.stat-card--purple .stat-icon {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  box-shadow: 0 0 20px var(--accent-purple-glow);
}
.stat-card--purple::before { background: var(--accent-purple); }
.stat-card--purple .stat-number { color: var(--accent-purple); }

.stat-card--emerald .stat-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  box-shadow: 0 0 20px var(--accent-emerald-glow);
}
.stat-card--emerald::before { background: var(--accent-emerald); }
.stat-card--emerald .stat-number { color: var(--accent-emerald); }

.stat-card--amber .stat-icon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  box-shadow: 0 0 20px var(--accent-amber-glow);
}
.stat-card--amber::before { background: var(--accent-amber); }
.stat-card--amber .stat-number { color: var(--accent-amber); }

.stat-card--rose .stat-icon {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  box-shadow: 0 0 20px var(--accent-rose-glow);
}
.stat-card--rose::before { background: var(--accent-rose); }
.stat-card--rose .stat-number { color: var(--accent-rose); }

/* --- Tables & Scrollbars --- */
.table-container,
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  overflow-y: auto;
  max-height: 600px;
  border-radius: var(--radius);
  border: 1px solid var(--border-glass);
}

.table-container::-webkit-scrollbar,
.table-wrapper::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}

.table-container::-webkit-scrollbar-track,
.table-wrapper::-webkit-scrollbar-track {
  background: rgba(17, 24, 39, 0.6);
  border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb,
.table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover,
.table-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

.table-container thead th,
.table-wrapper thead th {
  position: sticky;
  top: 0;
  background: var(--bg-tertiary);
  z-index: 2;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

thead th {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-glass);
  white-space: nowrap;
}

tbody td {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  white-space: nowrap;
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

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

td.text-right,
th.text-right {
  text-align: right;
}

td.text-center,
th.text-center {
  text-align: center;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: var(--transition);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: scale(0.97);
}

.btn i,
.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #2563eb);
  color: white;
  box-shadow: 0 4px 15px var(--accent-blue-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 25px var(--accent-blue-glow);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-emerald), #059669);
  color: white;
  box-shadow: 0 4px 15px var(--accent-emerald-glow);
}

.btn-success:hover {
  box-shadow: 0 6px 25px var(--accent-emerald-glow);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-rose), #e11d48);
  color: white;
  box-shadow: 0 4px 15px var(--accent-rose-glow);
}

.btn-danger:hover {
  box-shadow: 0 6px 25px var(--accent-rose-glow);
  transform: translateY(-1px);
}

.btn-warning {
  background: linear-gradient(135deg, var(--accent-amber), #d97706);
  color: white;
  box-shadow: 0 4px 15px var(--accent-amber-glow);
}

.btn-warning:hover {
  box-shadow: 0 6px 25px var(--accent-amber-glow);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
}

.btn-group {
  display: flex;
  gap: 0;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* --- Form Inputs --- */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  transition: var(--transition);
  outline: none;
}

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

.form-input:focus,
.form-select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

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

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: var(--transition);
  padding: 12px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-lg);
  width: 92%;
  max-height: 88vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.modal.modal-sm { max-width: 420px; }
.modal.modal-md { max-width: 580px; }
.modal.modal-lg { max-width: 780px; }

.modal-header {
  padding: 24px 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.modal-body {
  padding: 24px 28px;
}

.modal-footer {
  padding: 0 28px 24px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* --- Toast Notifications --- */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column-reverse;
  gap: 10px;
  z-index: 10000;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-glass-hover);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius);
  min-width: 300px;
  max-width: 420px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
  position: relative;
  overflow: hidden;
}

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

.toast-message {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  border-radius: 0 0 var(--radius) var(--radius);
  animation: toastProgress linear forwards;
}

.toast.toast-success { border-left: 3px solid var(--accent-emerald); }
.toast.toast-success .toast-icon { color: var(--accent-emerald); }
.toast.toast-success .toast-progress { background: var(--accent-emerald); }

.toast.toast-error { border-left: 3px solid var(--accent-rose); }
.toast.toast-error .toast-icon { color: var(--accent-rose); }
.toast.toast-error .toast-progress { background: var(--accent-rose); }

.toast.toast-warning { border-left: 3px solid var(--accent-amber); }
.toast.toast-warning .toast-icon { color: var(--accent-amber); }
.toast.toast-warning .toast-progress { background: var(--accent-amber); }

.toast.toast-info { border-left: 3px solid var(--accent-blue); }
.toast.toast-info .toast-icon { color: var(--accent-blue); }
.toast.toast-info .toast-progress { background: var(--accent-blue); }

@keyframes toastProgress {
  from { width: 100%; }
  to { width: 0%; }
}

/* --- Scanner Page --- */
.scanner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.scan-mode-toggle {
  display: flex;
  gap: 0;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 4px;
  border: 1px solid var(--border-glass);
}

.scan-mode-btn {
  padding: 10px 24px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.scan-mode-btn.active-in {
  background: linear-gradient(135deg, var(--accent-emerald), #059669);
  color: white;
  box-shadow: 0 4px 15px var(--accent-emerald-glow);
}

.scan-mode-btn.active-out {
  background: linear-gradient(135deg, var(--accent-rose), #e11d48);
  color: white;
  box-shadow: 0 4px 15px var(--accent-rose-glow);
}

.scan-area {
  width: 100%;
  max-width: 560px;
  padding: 48px 32px;
  border: 2px dashed var(--accent-blue);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: relative;
  background: rgba(59, 130, 246, 0.03);
  animation: pulse 2.5s ease-in-out infinite;
}

.scan-area-icon {
  width: 56px;
  height: 56px;
  color: var(--accent-blue);
  opacity: 0.6;
}

.scan-area-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.scan-input-row {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 400px;
}

.scan-input-row .form-input {
  flex: 1;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 2px;
}

.scan-result-card {
  width: 100%;
  max-width: 560px;
  animation: slideInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.scan-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.scan-result-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.scan-result-item .label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.scan-result-item .value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.scan-history-list {
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scan-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.scan-history-item .scan-time {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* --- Chart Containers --- */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.chart-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.chart-card:hover {
  border-color: var(--border-glass-hover);
}

.chart-container {
  position: relative;
  height: 280px;
}

/* --- Filter / Search Bars --- */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar .form-input,
.filter-bar .form-select {
  width: auto;
  min-width: 160px;
}

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

.search-input-wrapper i,
.search-input-wrapper svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

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

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
}

.pagination-btn {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.pagination-btn:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border-glass-hover);
  color: var(--text-primary);
}

.pagination-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
  box-shadow: 0 2px 10px var(--accent-blue-glow);
}

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

.pagination-info {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0 8px;
}

/* --- Stock Level Bar --- */
.stock-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}

.stock-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stock-bar-fill.stock-good { background: var(--accent-emerald); box-shadow: 0 0 8px var(--accent-emerald-glow); }
.stock-bar-fill.stock-low { background: var(--accent-amber); box-shadow: 0 0 8px var(--accent-amber-glow); }
.stock-bar-fill.stock-out { background: var(--accent-rose); box-shadow: 0 0 8px var(--accent-rose-glow); }

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

.empty-state i,
.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 0.875rem;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes pulse {
  0%, 100% { border-color: var(--accent-blue); box-shadow: 0 0 0 0 var(--accent-blue-glow); }
  50% { border-color: rgba(59, 130, 246, 0.4); box-shadow: 0 0 20px var(--accent-blue-glow); }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-enter {
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-stagger:nth-child(1) { animation-delay: 0.05s; }
.card-stagger:nth-child(2) { animation-delay: 0.1s; }
.card-stagger:nth-child(3) { animation-delay: 0.15s; }
.card-stagger:nth-child(4) { animation-delay: 0.2s; }

.card-stagger {
  animation: slideInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* --- Utilities --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }
.text-success { color: var(--accent-emerald); }
.text-warning { color: var(--accent-amber); }
.text-danger { color: var(--accent-rose); }
.text-info { color: var(--accent-blue); }
.text-muted { color: var(--text-muted); }
.hidden { display: none !important; }

/* Quick Action Buttons */
.quick-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* Low Stock List */
.low-stock-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-glass);
}

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

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

.low-stock-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.low-stock-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.low-stock-bar {
  width: 100px;
  margin-left: 16px;
}

.low-stock-count {
  font-size: 0.8rem;
  font-weight: 700;
  min-width: 60px;
  text-align: right;
  margin-left: 12px;
}

/* --- Mobile Topbar --- */
#mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 99;
  padding: 0 16px;
  align-items: center;
  justify-content: space-between;
}

#mobile-menu-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  #mobile-topbar {
    display: flex;
  }

  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    height: 100vh;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  #sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
  }

  #main-content {
    margin-left: 0 !important;
    padding: 76px 14px 24px 14px !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .card {
    padding: 16px !important;
    margin-bottom: 14px !important;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .filter-bar {
    flex-direction: column;
    width: 100%;
  }

  .filter-bar .form-control,
  .filter-bar .form-input,
  .filter-bar .form-select,
  .filter-bar select,
  .filter-bar input {
    width: 100% !important;
    min-width: 100% !important;
  }

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

  .scan-result-grid {
    grid-template-columns: 1fr;
  }

  .table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    min-width: 550px;
  }

  /* Scanner page responsive fixes */
  .scan-box-wrapper,
  .scan-box {
    max-width: 100% !important;
    width: 100% !important;
  }

  /* Modal responsive fixes */
  .modal {
    width: 95vw !important;
    max-width: 95vw !important;
    max-height: 92vh !important;
    margin: 10px auto !important;
  }

  .modal-header {
    padding: 16px 16px 0 !important;
  }

  .modal-body {
    padding: 16px !important;
    max-height: calc(92vh - 100px) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .modal-footer {
    padding: 0 16px 16px !important;
  }

  /* Grid layouts inside modals (Purchase details cards) stack vertically on mobile */
  .modal-body div[style*="grid-template-columns"],
  .modal-body .form-row {
    grid-template-columns: 1fr !important;
  }
}

/* Ensure #print-section is completely hidden on normal screen viewing */
#print-section {
  display: none !important;
}

/* --- Media Print Rules for Dedicated Thermal Barcode Printers (Type B) --- */
@media print {
  @page {
    margin: 0;
    size: auto;
  }
  html, body {
    margin: 0 !important;
    padding: 0 !important;
    background: white !important;
    color: black !important;
  }
  body > *:not(#print-section) {
    display: none !important;
  }
  #print-section, #print-section * {
    visibility: visible !important;
  }
  #print-section {
    display: block !important;
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: white !important;
    color: black !important;
  }
  .print-thermal-wrapper {
    display: block !important;
    width: 100% !important;
  }
  .thermal-barcode-page {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: 100vh !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 15px 10px !important;
    background: white !important;
    color: black !important;
  }
}