@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Brand Fonts */
  --font-display: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Premium HSL Color Palette (Slate/Indigo & Cyan/Teal accents) */
  --brand-navy:       hsl(224, 40%, 12%);   /* Sidebar background: deep slate-blue */
  --brand-navy-deep:  hsl(224, 45%, 8%);    /* Sidebar header/active bg */
  --brand-navy-hover: hsl(224, 35%, 18%);   /* Sidebar nav hover bg */
  --brand-accent:     hsl(171, 85%, 44%);   /* Accent indicator (teal/cyan) */
  --brand-accent-hover: hsl(171, 95%, 38%);
  
  --brand-indigo:     hsl(226, 70%, 55%);   /* Secondary brand color (indigo) */
  --brand-indigo-hover: hsl(226, 70%, 48%);

  /* Surfaces & Backgrounds */
  --bg-color:        hsl(210, 40%, 98%);    /* Soft page background */
  --bg-card:         hsl(0, 0%, 100%);      /* Card surfaces */
  --bg-card-hover:   hsl(210, 40%, 99%);
  --bg-input:        hsl(0, 0%, 100%);
  --bg-subtle:       hsl(210, 40%, 96%);    /* Table header / alt rows background */
  --bg-header:       var(--bg-subtle);      /* Column header row background */
  --bg-section:      var(--bg-subtle);      /* Group/section divider row background */
  --bg-hover:        var(--bg-card-hover);  /* Table row hover background */

  /* Text Colors */
  --text-main:           hsl(224, 47%, 12%);  /* Dark slate-charcoal for high readability */
  --text-muted:          hsl(215, 16%, 47%);  /* Secondary muted text label */
  --text-on-navy:        hsl(210, 40%, 94%);  /* Sidebar text color */
  --text-on-navy-muted:  hsl(215, 16%, 65%);  /* Sidebar secondary text color */

  /* Borders & Focus Rings */
  --border-color:  hsl(214, 32%, 91%);    /* Soft border separator */
  --border-light:  hsl(214, 32%, 95%);    /* Very faint row separator */
  --border-strong: hsl(214, 25%, 85%);    /* Input border outline */
  --border-focus:  var(--brand-indigo);

  /* Semantic Status */
  --primary:        var(--brand-indigo);
  --primary-hover:  var(--brand-indigo-hover);
  --accent:         var(--brand-indigo);    /* Alias for primary action color */
  --danger:         hsl(0, 72%, 51%);       /* Balanced red status color */
  --danger-hover:   hsl(0, 72%, 40%);
  --danger-bg:      hsl(0, 86%, 97%);       /* Soft red alert box background */
  --success:        hsl(142, 69%, 36%);     /* Balanced green status color */
  --warning:        hsl(38, 92%, 50%);      /* Amber warning/saving state */

  /* Geometry & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  
  /* Shadows - multi-layered diffuse shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.03), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 16px 32px -8px rgba(15, 23, 42, 0.08), 0 4px 12px -4px rgba(15, 23, 42, 0.03);
  --shadow-card-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.03);
  
  /* Focus Glow Ring */
  --glow:      0 0 0 3px rgba(99, 102, 241, 0.18);
  
  /* Global transition curve for micro-interactions */
  --transition-smooth: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);

  --sidebar-width: 260px;
  --topbar-height: 64px;
}

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

html, body { height: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =================================================================
   App shell — sidebar + main pane
   ================================================================= */

.app-sidebar {
  width: var(--sidebar-width);
  background: var(--brand-navy);
  color: var(--text-on-navy);
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  z-index: 50;
  border-right: 1px solid rgba(255, 255, 255, 0.03);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}
.app-sidebar-header {
  padding: 18px 24px;
  background: var(--brand-navy-deep);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 16px;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.app-sidebar-logo {
  font-size: 18px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand-indigo), var(--brand-accent));
  border-radius: var(--radius-sm);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.app-sidebar-nav { padding: 12px 0; flex: 1; }
.app-sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 11px;
  color: var(--text-on-navy-muted);
  line-height: 1.5;
  background: var(--brand-navy-deep);
}

/* Sidebar nav primitives */
.nav-group { margin: 8px 0; }
.nav-section-divider {
  padding: 22px 24px 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-accent);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  margin-top: 14px;
}
.nav-section-divider:first-child { border-top: none; margin-top: 0; }
.nav-group-label {
  padding: 14px 24px 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-navy-muted);
}
.nav-group-label.nav-group-toggle {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-right: 18px;
  user-select: none;
}
.nav-group-label.nav-group-toggle:hover { color: var(--text-on-navy); }
.nav-group-chevron {
  font-size: 10px;
  opacity: 0.5;
  transition: transform 0.15s ease;
}
.nav-group.collapsed .nav-group-chevron { transform: rotate(-90deg); }
.nav-group-items { overflow: hidden; }
.nav-group.collapsed .nav-group-items { display: none; }
/* Central location viewer store picker */
.app-store-picker-wrap,
.rtb-store-picker-wrap {
  padding: 6px 12px 8px;
}
.app-store-picker-wrap select,
.rtb-store-picker-wrap select {
  width: 100%;
  padding: 6px 8px;
  font-size: 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  color: var(--text-on-navy);
  cursor: pointer;
  appearance: auto;
}
.app-store-picker-wrap select:focus,
.rtb-store-picker-wrap select:focus {
  outline: none;
  border-color: var(--brand-indigo);
}
.app-loc-nav-links.app-hidden,
.rtb-loc-nav-links.rtb-hidden { display: none; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  color: var(--text-on-navy);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: var(--transition-smooth);
  border-left: 4px solid transparent;
}
.nav-item:hover {
  background: var(--brand-navy-hover);
  color: #fff;
  padding-left: 28px; /* Smooth slide right */
}
.nav-item.active {
  background: var(--brand-navy-deep);
  border-left-color: var(--brand-accent);
  color: #fff;
  font-weight: 600;
  box-shadow: inset 4px 0 0 0 var(--brand-accent);
  border-left: none; /* Shadow gives cleaner border integration */
}
.nav-item-icon {
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-size: 15px;
  opacity: 0.85;
  transition: var(--transition-smooth);
}
.nav-item:hover .nav-item-icon {
  transform: scale(1.15);
}
.nav-subitem {
  padding-left: 56px;
  font-size: 13px;
  color: var(--text-on-navy-muted);
  transition: var(--transition-smooth);
}
.nav-subitem:hover, .nav-subitem.active { color: #fff; }

/* Main pane: topbar + content */
.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;       /* body is a flex row — fill the viewport, don't shrink-wrap content */
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}
.app-topbar {
  flex-shrink: 0;
  height: var(--topbar-height);
  /* Glassmorphism backdrop-blur styling */
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 32px;
  gap: 16px;
  position: relative;
  z-index: 1000;
}
.app-topbar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}
.app-topbar-meta  {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
}
.app-topbar-user  { font-weight: 600; color: var(--text-main); }
.app-topbar-chip {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  background: hsla(226, 70%, 55%, 0.1);
  color: var(--brand-indigo);
  border: 1px solid hsla(226, 70%, 55%, 0.2);
  white-space: nowrap;
}
/* Hamburger — hidden on wide screens, shown by the responsive block below */
.app-topbar-menu {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 18px;
  line-height: 1;
  padding: 6px 10px;
  cursor: pointer;
}
.app-topbar-logout {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.app-topbar-logout:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
  transform: translateY(-1px);
}

/* Display scale widget */
.app-topbar-scale-widget {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2px 4px;
  gap: 2px;
  box-shadow: var(--shadow-sm);
  user-select: none;
}
.app-scale-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  line-height: 1;
}
.app-scale-btn:hover {
  background: var(--bg-subtle);
  color: var(--text-main);
}
.app-scale-label-btn {
  font-size: 11.5px;
  font-weight: 600;
  gap: 4px;
  padding: 3px 8px;
  color: var(--text-main);
}
.app-scale-icon {
  font-size: 12px;
  opacity: 0.8;
}
.app-scale-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 210px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 1000;
  display: none;
  flex-direction: column;
  gap: 2px;
}
.app-scale-dropdown.open {
  display: flex;
  animation: scaleDropdownFadeIn 0.15s ease-out;
}
@keyframes scaleDropdownFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.app-scale-dropdown-header {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 6px 10px 4px;
}
.app-scale-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 7px 10px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease;
}
.app-scale-opt:hover {
  background: var(--bg-subtle);
  color: var(--brand-indigo);
}
.app-scale-opt.active {
  background: hsla(226, 70%, 55%, 0.08);
  color: var(--brand-indigo);
  font-weight: 600;
}
.app-scale-opt-tag {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 100px;
  margin-left: 6px;
}
.app-scale-opt-meta {
  font-size: 11px;
  color: var(--brand-indigo);
  font-weight: 600;
}
.app-scale-divider {
  height: 1px;
  background: var(--border-color);
  margin: 4px 0;
}

/* Container fills the space below the topbar and lays out its children in a
   column. The table-wrap (flex:1 below) is the actual scroll area. */
.container {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 32px 32px 48px;
  overflow-y: auto;
}

/* =================================================================
   Typography
   ================================================================= */

h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  color: var(--text-main);
  font-family: var(--font-display);
}
h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-main);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}
h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
  font-family: var(--font-display);
}
.sub { font-size: 13.5px; color: var(--text-muted); margin-bottom: 24px; }
.section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 32px 0 14px;
}

/* Back link kept for pages that don't load the app shell */
a.back {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 12px;
  transition: var(--transition-smooth);
}
a.back:hover { color: var(--text-main); }

/* =================================================================
   Cards (used by dashboard and various pages)
   ================================================================= */

.nav { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text-main);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}
/* Premium gradient border detail on hover */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-indigo), var(--brand-accent));
  opacity: 0;
  transition: var(--transition-smooth);
}
.card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.card:hover::before {
  opacity: 1;
}
.card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}
.card-desc  { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* Stat tile — compact KPI card for dashboard */
.stat-tile {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}
.stat-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.stat-tile-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); font-weight: 700; }
.stat-tile-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 6px;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}
.stat-tile-meta  { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* =================================================================
   Forms & toolbar
   ================================================================= */

/* Tab bar + panels
   Modernized segment-style tab controller layout */
.tabs {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  margin-bottom: 20px;
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: var(--radius-md);
  width: max-content;
  border: 1px solid var(--border-color);
}
.tab {
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.tab:hover { color: var(--text-main); }
.tab.active {
  background: var(--bg-card);
  color: var(--primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}
.panel { display: none; flex-direction: column; flex: 1; min-height: 0; }
.panel.active { display: flex; }
.panel-toolbar { flex-shrink: 0; margin-bottom: 14px; display: flex; gap: 8px; align-items: center; }

.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  flex-shrink: 0;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* Labeled filter bar */
.filters {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.filter-group > label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  white-space: nowrap;
}

input[type=text], input[type=number], input[type=tel], input[type=date], input[type=email], select, textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 9px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  color: var(--text-main);
  transition: var(--transition-smooth);
  outline: none;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.02);
}
input[type=text]:focus, input[type=number]:focus, input[type=tel]:focus,
input[type=date]:focus, input[type=email]:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
  box-shadow: var(--glow), 0 2px 4px rgba(99, 102, 241, 0.05);
}
input[type=text] { min-width: 240px; }
select option { background: var(--bg-card); color: var(--text-main); }
input[readonly] { background: var(--bg-subtle); color: var(--text-muted); cursor: not-allowed; }

input[type=checkbox] {
  accent-color: var(--brand-indigo);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

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

.btn {
  font-family: inherit;
  padding: 9px 18px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  cursor: pointer;
  color: var(--text-main);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}
.btn:hover { background: var(--bg-subtle); border-color: var(--text-muted); }
/* Tactile compression on click */
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand-indigo), var(--primary));
  color: #fff;
  border: 1px solid transparent;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.2);
}
.btn-primary:hover {
  background: linear-gradient(135deg, hsl(226, 70%, 48%), var(--primary-hover));
  box-shadow: 0 6px 14px rgba(99, 102, 241, 0.3);
  border-color: transparent;
  color: #fff;
}
.btn-danger {
  color: #fff;
  border: 1px solid transparent;
  background: linear-gradient(135deg, #f87171, var(--danger));
  box-shadow: 0 4px 10px rgba(220, 38, 38, 0.15);
}
.btn-danger:hover {
  background: linear-gradient(135deg, #ef4444, var(--danger-hover));
  box-shadow: 0 6px 14px rgba(220, 38, 38, 0.25);
  border-color: transparent;
  color: #fff;
}
.btn-secondary { color: var(--text-muted); }
.btn-secondary:hover { color: var(--text-main); }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: var(--radius-sm); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

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

.table-wrap {
  flex: 1;
  min-height: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: auto;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}
table {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13.5px;
  text-align: left;
}
th {
  padding: 12px 18px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 4;
}
td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  color: var(--text-main);
  transition: background-color 0.15s ease;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-card-hover); }
tr.inactive td { color: var(--text-muted); }

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

.badge-disc {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #fecaca;
}
.badge-inact {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.empty {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 14px;
}

/* =================================================================
   Modal / overlay
   ================================================================= */

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease-out;
}
.overlay.open { display: flex; opacity: 1; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 600px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(16px);
  /* Custom bounce scaling for modal entry */
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.overlay.open .modal { transform: translateY(0); }
.modal h2 { margin-bottom: 1.5rem; }

/* =================================================================
   Form fields (used in modals + forms)
   ================================================================= */

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.field input, .field select, .field textarea { width: 100%; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.check-row { display: flex; gap: 2rem; margin-top: 10px; }
.check-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
  color: var(--text-main);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  margin-bottom: 0;
}

/* Barcodes inside modal */
.barcode-list { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.barcode-item {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--bg-subtle);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}
.barcode-item span { font-size: 14px; flex: 1; font-family: monospace; color: var(--brand-indigo); font-weight: 600; }
.barcode-add-row { display: flex; gap: 12px; margin-top: 14px; }
.barcode-add-row input { flex: 1; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* =================================================================
   Utilities
   ================================================================= */

.pct-bar {
  display: inline-block;
  height: 6px;
  border-radius: 3px;
  background: var(--brand-accent);
  margin-left: 8px;
}
.num   { font-family: 'SFMono-Regular', Consolas, monospace; }
.zero  { opacity: 0.35; }
.error { color: var(--danger); text-align: center; padding: 2.5rem; font-size: 14px; }
.status { font-size: 13px; color: var(--text-muted); margin-left: auto; }

/* =================================================================
   Toast notifications (App.toast in appshell.js)
   ================================================================= */

#app-toasts,
#rtb-toasts {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.app-toast,
.rtb-toast {
  background: var(--brand-navy);
  color: var(--text-on-navy);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13.5px;
  font-weight: 500;
  max-width: 380px;
  border-left: 3px solid var(--brand-accent);
  animation: app-toast-in 0.25s ease;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.app-toast.success, .rtb-toast.success { border-left-color: var(--success); }
.app-toast.error,   .rtb-toast.error   { border-left-color: var(--danger); }
.app-toast.leaving, .rtb-toast.leaving { opacity: 0; transform: translateY(8px); }
@keyframes app-toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
@keyframes rtb-toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* =================================================================
   Scrollbars — slim, low-contrast
   ================================================================= */

* { scrollbar-width: thin; scrollbar-color: hsl(215, 16%, 75%) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: hsl(215, 16%, 75%);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background-color: hsl(215, 16%, 60%); }
.app-sidebar { scrollbar-color: hsla(0, 0%, 100%, 0.25) transparent; }
.app-sidebar::-webkit-scrollbar-thumb { background-color: hsla(0, 0%, 100%, 0.25); }

/* =================================================================
   Keyboard focus rings (mouse clicks don't trigger :focus-visible)
   ================================================================= */

.btn:focus-visible, .tab:focus-visible, button:focus-visible,
a:focus-visible, input[type=checkbox]:focus-visible {
  outline: 2px solid var(--brand-indigo);
  outline-offset: 2px;
}

/* =================================================================
   Responsive — off-canvas sidebar under 960px
   ================================================================= */

.sidebar-backdrop { display: none; }

@media (max-width: 960px) {
  .app-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: none;
  }
  body.sidebar-open .app-sidebar {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
  }
  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 40;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
  }
  body.sidebar-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }
  .app-main  { margin-left: 0; }
  .app-topbar { padding: 0 16px; gap: 12px; }
  .app-topbar-menu { display: inline-flex; }
  .app-topbar-date { display: none; }  /* date is nice-to-have; keep chip + user */
  .container { padding: 20px 16px 32px; }
}

/* When a page hasn't yet been wrapped in the app shell (or opts out via
   data-noshell on body), keep the legacy centered look so it remains usable. */
body[data-noshell] {
  display: block;
  padding: 3rem;
}
body[data-noshell] .container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
}
/* Hidden on screen, visible in print */
.print-only { display: none; }

@media print {
  .app-sidebar,
  .app-topbar,
  .no-print    { display: none !important; }
  .print-only  { display: block !important; }
  .app-main    { margin-left: 0 !important; padding: .5rem 1rem !important; }
  .container   { overflow: visible !important; height: auto !important; }
  th           { position: static !important; }
  *            { box-shadow: none !important; }
}

/* Pagination Bar */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  flex-shrink: 0;
  gap: 1rem;
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.02);
}
.pagination-info {
  font-size: 13px;
  color: var(--text-muted);
}
.pagination-buttons {
  display: flex;
  gap: 0.5rem;
}
.pagination-buttons .btn {
  padding: 5px 12px;
  font-size: 13px;
}