/* ============================================================
   QuoteMaster Design System
   Premium Enterprise UI
   ============================================================ */

/* --- Design Tokens --- */
:root {
  /* Primary palette */
  --qm-sidebar-bg: #0f172a;
  --qm-sidebar-hover: #1e293b;
  --qm-sidebar-active: rgba(99, 102, 241, 0.15);
  --qm-sidebar-text: #94a3b8;
  --qm-sidebar-text-active: #e2e8f0;
  --qm-sidebar-width: 260px;
  --qm-sidebar-collapsed: 0px;

  /* Accent */
  --qm-accent: #6366f1;
  --qm-accent-hover: #4f46e5;
  --qm-accent-light: rgba(99, 102, 241, 0.08);
  --qm-accent-subtle: rgba(99, 102, 241, 0.12);

  /* Surface */
  --qm-bg: #f1f5f9;
  --qm-surface: #ffffff;
  --qm-surface-hover: #f8fafc;
  --qm-border: #e2e8f0;
  --qm-border-light: #f1f5f9;

  /* Text */
  --qm-text: #1e293b;
  --qm-text-secondary: #64748b;
  --qm-text-muted: #94a3b8;

  /* Status colors */
  --qm-success: #10b981;
  --qm-success-bg: rgba(16, 185, 129, 0.1);
  --qm-warning: #f59e0b;
  --qm-warning-bg: rgba(245, 158, 11, 0.1);
  --qm-danger: #ef4444;
  --qm-danger-bg: rgba(239, 68, 68, 0.1);
  --qm-info: #3b82f6;
  --qm-info-bg: rgba(59, 130, 246, 0.1);

  /* Shadows */
  --qm-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --qm-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --qm-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --qm-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);

  /* Radius */
  --qm-radius: 8px;
  --qm-radius-lg: 12px;
  --qm-radius-sm: 6px;

  /* Transitions */
  --qm-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--qm-bg);
  color: var(--qm-text);
  font-size: 0.875rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Sidebar --- */
.qm-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--qm-sidebar-width);
  background: var(--qm-sidebar-bg);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--qm-sidebar-hover) transparent;
}

.qm-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 8px;
  flex-shrink: 0;
}

.qm-sidebar-brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--qm-accent), #818cf8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.qm-sidebar-brand-text {
  color: #f1f5f9;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.qm-sidebar-brand-text small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--qm-sidebar-text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 1px;
}

/* Sidebar sections */
.qm-sidebar-section {
  padding: 0 12px;
  margin-bottom: 4px;
}

.qm-sidebar-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--qm-sidebar-text);
  padding: 12px 12px 6px;
  opacity: 0.6;
}

/* Sidebar links */
.qm-sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  color: var(--qm-sidebar-text);
  text-decoration: none;
  border-radius: var(--qm-radius-sm);
  font-size: 0.82rem;
  font-weight: 450;
  transition: all var(--qm-transition);
  position: relative;
}

.qm-sidebar-link:hover {
  background: var(--qm-sidebar-hover);
  color: var(--qm-sidebar-text-active);
}

.qm-sidebar-link.active {
  background: var(--qm-sidebar-active);
  color: #a5b4fc;
  font-weight: 550;
}

.qm-sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--qm-accent);
  border-radius: 0 3px 3px 0;
}

.qm-sidebar-link i {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
  opacity: 0.7;
}

.qm-sidebar-link.active i {
  opacity: 1;
}

.qm-sidebar-badge {
  margin-left: auto;
  background: var(--qm-danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
  line-height: 1.4;
}

/* Sidebar user section */
.qm-sidebar-user {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.qm-sidebar-user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px;
  margin-bottom: 4px;
}

.qm-sidebar-avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #475569, #64748b);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
}

.qm-sidebar-user-name {
  color: var(--qm-sidebar-text-active);
  font-size: 0.82rem;
  font-weight: 550;
  line-height: 1.3;
}

.qm-sidebar-user-role {
  color: var(--qm-sidebar-text);
  font-size: 0.7rem;
  opacity: 0.7;
}

/* Sidebar mobile toggle */
.qm-sidebar-toggle {
  display: none;
  position: fixed;
  top: 6px;
  left: 6px;
  z-index: 1050;
  background: var(--qm-sidebar-bg);
  color: #fff;
  border: none;
  border-radius: var(--qm-radius-sm);
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--qm-shadow-md);
}

.qm-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1035;
  backdrop-filter: blur(2px);
}

/* --- Main Content --- */
.qm-main {
  margin-left: var(--qm-sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left 0.25s ease;
}

/* Top bar */
.qm-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 28px;
  background: var(--qm-surface);
  border-bottom: 1px solid var(--qm-border);
  position: sticky;
  top: 0;
  z-index: 1020;
  min-height: 52px;
}

.qm-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--qm-text-secondary);
}

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

.qm-breadcrumb a:hover {
  color: var(--qm-accent);
}

.qm-breadcrumb-sep {
  color: var(--qm-text-muted);
  font-size: 0.7rem;
}

.qm-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Content area */
.qm-content {
  padding: 24px 28px;
  flex: 1;
}

/* Footer */
.qm-footer {
  padding: 16px 28px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--qm-text-muted);
  border-top: 1px solid var(--qm-border);
  margin-top: auto;
}

/* --- Page Header --- */
.qm-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.qm-page-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--qm-text);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.3;
}

.qm-page-subtitle {
  font-size: 0.82rem;
  color: var(--qm-text-secondary);
  margin-top: 2px;
}

/* --- Cards --- */
.card {
  background: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-lg);
  box-shadow: var(--qm-shadow-sm);
  transition: box-shadow var(--qm-transition);
}

.card:hover {
  box-shadow: var(--qm-shadow);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--qm-border-light);
  padding: 14px 18px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--qm-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-header > i {
  color: var(--qm-accent);
  margin-right: 0.25rem;
  font-size: 1rem;
}

.card-body {
  padding: 12px 18px;
}

.card-body.p-2 {
  padding: 12px;
}

/* --- KPI Cards --- */
.qm-kpi-card {
  background: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-lg);
  padding: 20px;
  box-shadow: var(--qm-shadow-sm);
  transition: all var(--qm-transition);
  position: relative;
  overflow: hidden;
}

.qm-kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.qm-kpi-card.kpi-primary::before { background: var(--qm-accent); }
.qm-kpi-card.kpi-success::before { background: var(--qm-success); }
.qm-kpi-card.kpi-warning::before { background: var(--qm-warning); }
.qm-kpi-card.kpi-info::before { background: var(--qm-info); }

.qm-kpi-card:hover {
  box-shadow: var(--qm-shadow-md);
  transform: translateY(-1px);
}

.qm-kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.qm-kpi-icon.kpi-primary { background: var(--qm-accent-light); color: var(--qm-accent); }
.qm-kpi-icon.kpi-success { background: var(--qm-success-bg); color: var(--qm-success); }
.qm-kpi-icon.kpi-warning { background: var(--qm-warning-bg); color: var(--qm-warning); }
.qm-kpi-icon.kpi-info { background: var(--qm-info-bg); color: var(--qm-info); }

.qm-kpi-value {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--qm-text);
  line-height: 1.2;
}

.qm-kpi-label {
  font-size: 0.78rem;
  color: var(--qm-text-secondary);
  margin-top: 2px;
}

.qm-kpi-sub {
  font-size: 0.72rem;
  color: var(--qm-text-muted);
  margin-top: 6px;
}

/* --- Tables --- */
.table {
  font-size: 0.82rem;
  margin-bottom: 0;
  width: 100%;
}

.table th,
.table td {
  overflow: hidden;
  text-overflow: ellipsis;
}

.table thead th {
  background: #374151;
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #f3f4f6;
  border-bottom: 1px solid #4b5563;
  padding: 10px 14px;
  white-space: nowrap;
}

.table thead th a {
  color: #f3f4f6;
  text-decoration: none;
}

.table thead th a:hover {
  color: #fff;
  text-decoration: underline;
}

.table tbody td {
  padding: 10px 14px;
  vertical-align: middle;
  border-bottom: 1px solid var(--qm-border-light);
  color: var(--qm-text);
}

.table-hover tbody tr:hover td {
  background: var(--qm-accent-light);
}

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

/* --- Status Badges --- */
.badge {
  font-weight: 550;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.badge.bg-secondary { background: #e2e8f0 !important; color: #475569; }
.badge.bg-primary { background: var(--qm-accent-subtle) !important; color: var(--qm-accent); }
.badge.bg-info { background: var(--qm-info-bg) !important; color: #2563eb; }
.badge.bg-success { background: var(--qm-success-bg) !important; color: #059669; }
.badge.bg-warning { background: var(--qm-warning-bg) !important; color: #d97706; }
.badge.bg-danger { background: var(--qm-danger-bg) !important; color: #dc2626; }

/* --- Buttons --- */
.btn {
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--qm-radius-sm);
  padding: 7px 14px;
  transition: all var(--qm-transition);
  letter-spacing: -0.01em;
}

.btn-sm {
  font-size: 0.78rem;
  padding: 5px 12px;
}

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

.btn-primary:hover {
  background: var(--qm-accent-hover);
  border-color: var(--qm-accent-hover);
  color: #fff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-success {
  background: var(--qm-success);
  border-color: var(--qm-success);
}

.btn-success:hover {
  background: #059669;
  border-color: #059669;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-danger {
  background: var(--qm-danger);
  border-color: var(--qm-danger);
}

.btn-outline-primary {
  color: var(--qm-accent);
  border-color: var(--qm-accent);
}

.btn-outline-primary:hover {
  background: var(--qm-accent);
  border-color: var(--qm-accent);
  color: #fff;
}

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

.btn-outline-secondary:hover {
  background: var(--qm-accent-light);
  border-color: var(--qm-accent);
  color: var(--qm-accent);
}

.btn-outline-secondary.active,
.btn-outline-secondary:active {
  background: var(--qm-accent) !important;
  border-color: var(--qm-accent) !important;
  color: #fff !important;
}

.btn-outline-secondary.active:hover {
  background: var(--qm-accent-hover) !important;
  border-color: var(--qm-accent-hover) !important;
  color: #fff !important;
}

.btn-outline-danger {
  color: var(--qm-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

/* --- Forms --- */
.form-control,
.form-select {
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-sm);
  font-size: 0.84rem;
  padding: 8px 12px;
  transition: all var(--qm-transition);
  color: var(--qm-text);
  background: var(--qm-surface);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--qm-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.form-control-sm,
.form-select-sm {
  font-size: 0.8rem;
  padding: 6px 10px;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 550;
  color: var(--qm-text-secondary);
  margin-bottom: 4px;
}

.form-check-input:checked {
  background-color: var(--qm-accent);
  border-color: var(--qm-accent);
}

.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
  border-color: var(--qm-accent);
}

/* --- Alerts --- */
.alert {
  border-radius: var(--qm-radius);
  border: none;
  font-size: 0.84rem;
  padding: 12px 16px;
}

.alert-success { background: var(--qm-success-bg); color: #065f46; }
.alert-danger { background: var(--qm-danger-bg); color: #991b1b; }
.alert-warning { background: var(--qm-warning-bg); color: #92400e; }
.alert-info { background: var(--qm-info-bg); color: #1e40af; }

/* --- Progress Bars --- */
.progress {
  background: var(--qm-bg);
  border-radius: 6px;
  overflow: hidden;
}

.progress-bar {
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 500;
}

.progress-bar.bg-success { background: var(--qm-success) !important; }
.progress-bar.bg-info { background: var(--qm-info) !important; }
.progress-bar.bg-warning { background: var(--qm-warning) !important; }
.progress-bar.bg-secondary { background: #94a3b8 !important; }
.progress-bar.bg-danger { background: var(--qm-danger) !important; }

/* --- Pagination --- */
.qm-pagination-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
}

.qm-pagination-wrapper .text-muted {
  font-size: 0.76rem;
}

.pagination .page-link {
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-sm);
  font-size: 0.78rem;
  color: var(--qm-text-secondary);
  margin: 0 2px;
  padding: 5px 10px;
}

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

.pagination .page-link:hover {
  background: var(--qm-accent-light);
  border-color: var(--qm-accent);
  color: var(--qm-accent);
}

/* --- Empty States --- */
.qm-empty-state {
  padding: 48px 20px;
  text-align: center;
}

.qm-empty-state i {
  font-size: 2.5rem;
  color: var(--qm-text-muted);
  opacity: 0.4;
  margin-bottom: 12px;
  display: block;
}

.qm-empty-state p {
  color: var(--qm-text-secondary);
  font-size: 0.88rem;
  margin: 0;
}

/* --- Dropdown Menus --- */
.dropdown-menu {
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius);
  box-shadow: var(--qm-shadow-lg);
  padding: 6px;
  font-size: 0.82rem;
}

.dropdown-item {
  border-radius: var(--qm-radius-sm);
  padding: 7px 12px;
}

.dropdown-item:hover {
  background: var(--qm-accent-light);
  color: var(--qm-accent);
}

/* --- Workflow Stepper --- */
.qm-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-lg);
}

.qm-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--qm-text-muted);
  background: transparent;
  white-space: nowrap;
}

.qm-step.completed {
  color: var(--qm-success);
}

.qm-step.current {
  background: var(--qm-accent-subtle);
  color: var(--qm-accent);
  font-weight: 600;
}

.qm-step-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  border: 2px solid var(--qm-border);
  background: var(--qm-surface);
  flex-shrink: 0;
}

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

.qm-step.current .qm-step-dot {
  background: var(--qm-accent);
  border-color: var(--qm-accent);
  color: #fff;
}

.qm-step-line {
  flex: 1;
  height: 2px;
  background: var(--qm-border);
  margin: 0 4px;
  min-width: 16px;
}

.qm-step-line.completed {
  background: var(--qm-success);
}

/* --- Stat Rows (for RFQ detail, etc.) --- */
.qm-stat-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.qm-stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.qm-stat-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--qm-text-muted);
}

.qm-stat-value {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--qm-text);
}

/* --- Action Bar --- */
.qm-action-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 16px 0;
}

/* --- Login Page --- */
.qm-login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--qm-sidebar-bg);
  padding: 20px;
}

.qm-login-card {
  background: var(--qm-surface);
  border-radius: var(--qm-radius-lg);
  box-shadow: var(--qm-shadow-lg);
  width: 100%;
  max-width: 400px;
  overflow: hidden;
}

.qm-login-header {
  padding: 32px 32px 24px;
  text-align: center;
}

.qm-login-brand {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--qm-accent), #818cf8);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.qm-login-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--qm-text);
  margin: 0;
  letter-spacing: -0.02em;
}

.qm-login-subtitle {
  font-size: 0.82rem;
  color: var(--qm-text-secondary);
  margin-top: 4px;
}

.qm-login-body {
  padding: 0 32px 32px;
}

.qm-login-footer {
  padding: 16px 32px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--qm-text-muted);
  background: var(--qm-bg);
  border-top: 1px solid var(--qm-border);
}

/* --- Public Offer Page (Supplier Form) --- */
.qm-public-wrapper {
  min-height: 100vh;
  background: var(--qm-bg);
  padding: 32px 16px;
}

.qm-public-container {
  max-width: 820px;
  margin: 0 auto;
}

.qm-public-header {
  text-align: center;
  margin-bottom: 24px;
}

.qm-public-brand {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--qm-accent), #818cf8);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.qm-public-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--qm-text);
  letter-spacing: -0.02em;
}

.qm-offer-item {
  background: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius);
  padding: 16px;
  margin-bottom: 12px;
  transition: all var(--qm-transition);
}

.qm-offer-item:hover {
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: var(--qm-shadow);
}

.qm-offer-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--qm-border-light);
}

.qm-offer-item-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--qm-text);
}

.qm-offer-item-qty {
  font-size: 0.78rem;
  color: var(--qm-text-secondary);
  background: var(--qm-bg);
  padding: 3px 10px;
  border-radius: 5px;
}

/* --- Price field with inline unit price --- */
.qm-price-field {
  position: relative;
}

.qm-unit-price {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.68rem;
  color: var(--qm-text-muted);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--qm-transition);
  white-space: nowrap;
}

.qm-price-field .form-control {
  padding-right: 105px;
}

/* --- Auto-resize textarea --- */
.qm-autoresize {
  resize: none;
  overflow: hidden;
  min-height: 38px;
}

/* --- Custom toggle checkbox --- */
.qm-toggle-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  margin: 0;
  padding-bottom: 4px;
}

.qm-toggle-checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.qm-toggle-track {
  width: 34px;
  height: 18px;
  background: var(--qm-border);
  border-radius: 9px;
  position: relative;
  transition: background var(--qm-transition);
  flex-shrink: 0;
}

.qm-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--qm-transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.qm-toggle-checkbox input:checked ~ .qm-toggle-track {
  background: var(--qm-danger);
}

.qm-toggle-checkbox input:checked ~ .qm-toggle-track .qm-toggle-thumb {
  transform: translateX(16px);
}

.qm-toggle-checkbox input:focus-visible ~ .qm-toggle-track {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.qm-toggle-label {
  font-size: 0.78rem;
  color: var(--qm-text-secondary);
  font-weight: 500;
  line-height: 1;
}

.qm-toggle-checkbox input:checked ~ .qm-toggle-label {
  color: var(--qm-danger);
}

/* --- Public page footer --- */
.qm-public-footer {
  margin-top: 40px;
  border-top: 1px solid var(--qm-border);
  padding-top: 24px;
}

.qm-public-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.qm-public-footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.qm-public-footer-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--qm-accent), #818cf8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

.qm-public-footer-company {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--qm-text);
}

.qm-public-footer-tagline {
  font-size: 0.7rem;
  color: var(--qm-text-muted);
}

.qm-public-footer-details {
  display: flex;
  gap: 32px;
}

.qm-public-footer-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qm-public-footer-col span {
  font-size: 0.74rem;
  color: var(--qm-text-secondary);
  white-space: nowrap;
}

.qm-public-footer-col i {
  color: var(--qm-text-muted);
  margin-right: 4px;
  font-size: 0.72rem;
}

.qm-public-footer-copy {
  text-align: center;
  font-size: 0.68rem;
  color: var(--qm-text-muted);
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--qm-border-light);
}

@media (max-width: 575.98px) {
  .qm-public-footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .qm-public-footer-brand {
    flex-direction: column;
    text-align: center;
  }

  .qm-public-footer-details {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .qm-public-footer-col {
    align-items: center;
  }
}

/* --- Messages container --- */
.qm-messages {
  padding: 16px 28px 0;
}

/* --- Toast notifications (override Bootstrap) --- */
.alert-dismissible {
  border-radius: var(--qm-radius);
  box-shadow: var(--qm-shadow-md);
}

/* --- Scrollbar styling --- */
.qm-sidebar::-webkit-scrollbar {
  width: 4px;
}

.qm-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.qm-sidebar::-webkit-scrollbar-thumb {
  background: var(--qm-sidebar-hover);
  border-radius: 4px;
}

/* --- Code tags --- */
code {
  background: transparent;
  color: var(--qm-text);
  padding: 0;
  border-radius: 0;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
}

/* --- Links in tables --- */
/* .table a {
  color: var(--qm-accent);
  text-decoration: none;
  font-weight: 500;
} */

.table a:hover {
  text-decoration: underline;
}

/* --- Responsive --- */
@media (max-width: 991.98px) {
  .qm-sidebar {
    transform: translateX(-100%);
  }

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

  .qm-sidebar-toggle.hidden {
    display: none !important;
  }

  .qm-sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .qm-sidebar-overlay.show {
    display: block;
  }

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

  .qm-content {
    padding: 16px;
  }

  .qm-messages {
    padding: 12px 16px 0;
  }

  .qm-topbar {
    padding: 12px 16px;
    padding-left: 56px;
  }

  .qm-stepper {
    overflow-x: auto;
    gap: 0;
  }

  .qm-page-header {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 575.98px) {
  .qm-kpi-card {
    padding: 14px;
  }

  .qm-kpi-value {
    font-size: 1.3rem;
  }

  .qm-content {
    padding: 12px;
  }

  .qm-stat-row {
    gap: 16px;
  }
}

/* --- Transitions for smooth interactions --- */
.card,
.btn,
.table tbody tr,
.qm-sidebar-link,
.qm-kpi-card,
.form-control,
.form-select {
  transition: all var(--qm-transition);
}

/* --- Custom container widths for non-sidebar pages --- */
.qm-narrow-container {
  max-width: 640px;
  margin: 0 auto;
}

/* --- Filter bar --- */
.qm-filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-lg);
  margin-bottom: 16px;
}

/* --- Table wrapper --- */
.qm-table-card {
  padding: 0;
}

.qm-table-card .table thead th:first-child {
  padding-left: 18px;
}

.qm-table-card .table tbody td:first-child {
  padding-left: 18px;
}

.qm-table-card .table thead th:last-child {
  padding-right: 18px;
}

.qm-table-card .table tbody td:last-child {
  padding-right: 18px;
}

/* --- Divider --- */
hr {
  border-color: var(--qm-border);
  opacity: 1;
}

input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    margin: 0; 
}