/* =====================================================
   ATD Deploy Manager — Design System
   Inspired by TemplateMo DayNight Admin (tm-608)
   Snow Edition (Light) / Carbon Edition (Dark)
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[x-cloak] { display: none !important; }

/* ── CSS Variables ── */
:root {
  --bg-primary:   #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-surface:   #F1F5F9;
  --border:       #E2E8F0;
  --text-1:       #1E293B;
  --text-2:       #64748B;
  --text-3:       #94A3B8;
  --accent:       #38BDF8;
  --accent-h:     #0EA5E9;
  --accent-bg:    rgba(56,189,248,.12);
  --success:      #22C55E;
  --success-bg:   rgba(34,197,94,.12);
  --warning:      #F59E0B;
  --warning-bg:   rgba(245,158,11,.12);
  --danger:       #EF4444;
  --danger-bg:    rgba(239,68,68,.12);
  --purple:       #A855F7;
  --purple-bg:    rgba(168,85,247,.12);
  --shadow-sm:    0 1px 3px rgba(0,0,0,.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,.07);
  --shadow-lg:    0 12px 40px rgba(0,0,0,.12);
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    14px;
  --transition:   all .2s ease;
  --nav-h:        60px;
  /* Semantic text colors — light mode (dark text on light bg) */
  --flash-success: #15803d;
  --flash-error:   #b91c1c;
  --flash-warning: #b45309;
  --flash-info:    #0369a1;
  --flash-orange:  #c2410c;
}

html.carbon, body.carbon {
  --bg-primary:   #111111;
  --bg-secondary: #171717;
  --bg-surface:   #1F1F1F;
  --border:       #2A2A2A;
  --text-1:       #F5F5F5;
  --text-2:       #A3A3A3;
  --text-3:       #6B6B6B;
  --accent:       #38BDF8;
  --accent-h:     #7DD3FC;
  --accent-bg:    rgba(56,189,248,.15);
  --shadow-sm:    0 1px 3px rgba(0,0,0,.3);
  --shadow-md:    0 4px 16px rgba(0,0,0,.4);
  --shadow-lg:    0 12px 40px rgba(0,0,0,.6);
  /* Semantic text colors — dark mode (light text on dark bg) */
  --flash-success: #4ade80;
  --flash-error:   #f87171;
  --flash-warning: #fbbf24;
  --flash-info:    #38bdf8;
  --flash-orange:  #fb923c;
}

html { background: var(--bg-secondary); scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-1);
  min-height: 100vh;
  line-height: 1.6;
  font-size: .9375rem;
  transition: background .2s, color .2s;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }
svg { flex-shrink: 0; }

/* ── Layout ── */
.app-shell { display: flex; flex-direction: column; min-height: 100vh; }

/* ── Top Navigation ── */
.top-nav {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 200;
  height: var(--nav-h);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1440px; margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.nav-left  { display: flex; align-items: center; gap: 2.5rem; }
.nav-right { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }

/* Logo */
.logo {
  display: flex; align-items: center; gap: .625rem;
  font-weight: 700; font-size: 1.0625rem; color: var(--text-1);
}
.logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent-h));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 18px; height: 18px; color: #fff; }

/* Nav Links */
.nav-links { display: flex; align-items: center; gap: .125rem; }
.nav-link {
  display: flex; align-items: center; gap: .375rem;
  padding: .4375rem .875rem;
  color: var(--text-2);
  font-size: .875rem; font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-link svg { width: 16px; height: 16px; }
.nav-link:hover { color: var(--text-1); background: var(--bg-surface); }
.nav-link.active { color: var(--accent); background: var(--accent-bg); }

/* Theme toggle */
.theme-toggle {
  display: flex; align-items: center; gap: .25rem;
  padding: .3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.theme-btn {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border-radius: calc(var(--radius-sm) - 2px);
  color: var(--text-2); transition: var(--transition);
}
.theme-btn svg { width: 16px; height: 16px; }
.theme-btn.active { background: var(--bg-primary); color: var(--accent); box-shadow: var(--shadow-sm); }

/* Admin link */
.nav-admin {
  display: flex; align-items: center; gap: .375rem;
  padding: .4375rem .75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2); font-size: .8125rem; font-weight: 500;
  transition: var(--transition);
}
.nav-admin:hover { border-color: var(--accent); color: var(--accent); }
.nav-admin svg { width: 14px; height: 14px; }

/* Mobile menu btn */
.mobile-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.mobile-toggle svg { width: 20px; height: 20px; }

/* ── Main Content ── */
.main-content {
  flex: 1;
  max-width: 1440px; margin: 0 auto;
  width: 100%; padding: 2rem 1.5rem;
}

/* ── Page Header ── */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  margin-bottom: 2rem;
}
.page-header-left h1 {
  font-size: 1.5rem; font-weight: 700; color: var(--text-1); margin-bottom: .25rem;
}
.breadcrumb { display: flex; align-items: center; gap: .375rem; font-size: .8125rem; color: var(--text-3); }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--text-3); }
.page-actions { display: flex; align-items: center; gap: .625rem; flex-shrink: 0; }

/* ── Flash Messages ── */
.flash-container { margin-bottom: 1.25rem; }
.flash-msg {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .75rem 1rem;
  border-radius: var(--radius-md);
  font-size: .875rem; margin-bottom: .5rem;
}
.flash-msg.success { background: var(--success-bg); color: var(--flash-success); border: 1px solid rgba(34,197,94,.25); }
.flash-msg.error   { background: var(--danger-bg);  color: var(--flash-error);   border: 1px solid rgba(239,68,68,.25); }
.flash-msg.warning { background: var(--warning-bg); color: var(--flash-warning); border: 1px solid rgba(245,158,11,.25); }
.flash-msg.info    { background: var(--accent-bg);  color: var(--flash-info);    border: 1px solid rgba(56,189,248,.25); }
.flash-close { opacity: .6; font-size: 1.125rem; line-height: 1; cursor: pointer; }
.flash-close:hover { opacity: 1; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .375rem;
  padding: .5rem 1rem;
  font-size: .875rem; font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition); cursor: pointer; border: none;
}
.btn svg { width: 15px; height: 15px; }

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

.btn-secondary { background: var(--bg-surface); color: var(--text-1); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

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

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

.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-surface); color: var(--text-1); }

.btn-sm { padding: .375rem .75rem; font-size: .8125rem; }
.btn-sm svg { width: 13px; height: 13px; }

.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  color: var(--text-2); transition: var(--transition);
}
.btn-icon:hover { background: var(--bg-surface); color: var(--text-1); }
.btn-icon svg { width: 16px; height: 16px; }

/* ── Cards ── */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  overflow: hidden;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-body { padding: 1.5rem; }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.125rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: .9375rem; font-weight: 600; color: var(--text-1); }
.card-subtitle { font-size: .8125rem; color: var(--text-2); margin-top: .125rem; }
.card-footer {
  padding: .875rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

/* ── Stat Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-h));
  opacity: 0; transition: var(--transition);
}
.stat-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.stat-card:hover::after { opacity: 1; }
.stat-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: .875rem;
}
.stat-icon svg { width: 20px; height: 20px; }
.stat-label { font-size: .8125rem; color: var(--text-2); margin-bottom: .375rem; }
.stat-value { font-size: 1.875rem; font-weight: 700; color: var(--text-1); line-height: 1; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .1875rem .5rem;
  border-radius: 99px;
  font-size: .75rem; font-weight: 500; line-height: 1.4;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

.badge-blue    { background: var(--accent-bg);   color: var(--accent); }
.badge-green   { background: var(--success-bg);  color: var(--flash-success); }
.badge-yellow  { background: var(--warning-bg);  color: var(--flash-warning); }
.badge-red     { background: var(--danger-bg);   color: var(--danger); }
.badge-purple  { background: var(--purple-bg);   color: var(--purple); }
.badge-gray    { background: var(--bg-surface);  color: var(--text-2); border: 1px solid var(--border); }
.badge-orange  { background: rgba(249,115,22,.12); color: var(--flash-orange); }

/* ── Tables ── */
.table-card { background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  padding: .75rem 1.25rem;
  text-align: left; font-size: .75rem; font-weight: 600;
  color: var(--text-2); text-transform: uppercase; letter-spacing: .05em;
  background: var(--bg-secondary); border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: .875rem 1.25rem;
  font-size: .875rem; color: var(--text-1);
  border-bottom: 1px solid var(--border);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: var(--transition); }
.data-table tbody tr:hover { background: var(--bg-secondary); }

/* ── Form Fields ── */
.field-group { margin-bottom: 1.125rem; }
.field-label { display: block; font-size: .8125rem; font-weight: 500; color: var(--text-1); margin-bottom: .375rem; }
.field-hint  { font-size: .75rem; color: var(--text-2); margin-top: .25rem; }
.field-error { font-size: .75rem; color: var(--danger); margin-top: .25rem; }

.form-control {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .5625rem .75rem;
  font-size: .875rem; color: var(--text-1);
  transition: var(--transition);
  outline: none;
}
.form-control::placeholder { color: var(--text-3); }
.form-control:hover { border-color: var(--text-3); }
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.form-control.error { border-color: var(--danger); }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  padding-right: 2.25rem;
}

.form-check { display: flex; align-items: center; gap: .5rem; }
.form-check input[type=checkbox] {
  width: 16px; height: 16px;
  accent-color: var(--accent); cursor: pointer;
}

/* ── Modals ── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}
.modal-sm  { max-width: 400px; }
.modal-md  { max-width: 560px; }
.modal-lg  { max-width: 760px; }
.modal-xl  { max-width: 960px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 1rem; font-weight: 600; color: var(--text-1); }
.modal-close {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  color: var(--text-2); transition: var(--transition);
}
.modal-close:hover { background: var(--bg-surface); color: var(--text-1); }
.modal-close svg { width: 16px; height: 16px; }
.modal-body { padding: 1.5rem; }
.modal-footer {
  display: flex; align-items: center; justify-content: flex-end; gap: .625rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

/* ── Progress Bars ── */
.progress-track {
  width: 100%; background: var(--bg-surface);
  border-radius: 99px; overflow: hidden;
}
.progress-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--accent), var(--accent-h));
  border-radius: 99px;
  transition: width .4s ease;
}
.progress-bar.success { background: linear-gradient(90deg, var(--success), #16a34a); }
.progress-bar.danger  { background: linear-gradient(90deg, var(--danger), #dc2626); }
.progress-bar.warning { background: linear-gradient(90deg, var(--warning), #d97706); }
.progress-bar.lg { height: 10px; }

/* ── Code blocks ── */
.code-block {
  font-family: ui-monospace, 'Cascadia Code', 'Fira Code', monospace;
  font-size: .8125rem;
  background: #0F172A;
  color: #E2E8F0;
  border-radius: var(--radius-md);
  padding: .875rem 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  position: relative;
  line-height: 1.7;
}
.code-inline {
  font-family: ui-monospace, 'Fira Code', monospace;
  font-size: .8125rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .125rem .375rem;
  color: var(--accent);
}
.copy-btn {
  position: absolute; top: .625rem; right: .625rem;
  padding: .25rem .625rem;
  background: rgba(255,255,255,.1);
  color: #94A3B8; border-radius: 4px;
  font-size: .6875rem; font-family: inherit; cursor: pointer;
  transition: var(--transition);
}
.copy-btn:hover { background: rgba(255,255,255,.2); color: #fff; }

/* ── Lists ── */
.item-list { divide-y: 1px solid var(--border); }
.item-row {
  display: flex; align-items: center; gap: 1rem;
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.item-row:last-child { border-bottom: none; }
.item-row:hover { background: var(--bg-secondary); }

/* ── Grids ── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.four-col { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.sidebar-layout { display: grid; grid-template-columns: 280px 1fr; gap: 1.5rem; align-items: start; }
.sidebar-layout-r { display: grid; grid-template-columns: 1fr 320px; gap: 1.5rem; align-items: start; }

/* ── Tabs ── */
.tabs { display: flex; gap: .125rem; border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.tab {
  padding: .625rem 1rem;
  font-size: .875rem; font-weight: 500;
  color: var(--text-2); border-bottom: 2px solid transparent;
  margin-bottom: -1px; transition: var(--transition); cursor: pointer;
}
.tab:hover { color: var(--text-1); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Empty State ── */
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  padding: 3rem 1.5rem; text-align: center;
}
.empty-icon { font-size: 2.5rem; margin-bottom: 1rem; opacity: .5; }
.empty-title { font-size: 1rem; font-weight: 600; color: var(--text-1); margin-bottom: .375rem; }
.empty-sub   { font-size: .875rem; color: var(--text-2); }

/* ── Checklist item types ── */
.item-type-badge {
  display: inline-flex; align-items: center; gap: .25rem;
  font-size: .6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
  padding: .125rem .5rem; border-radius: 4px;
}

/* ── Run item row ── */
.run-item {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.run-item.done { background: var(--success-bg); }
.run-item.critical-item { border-left: 3px solid var(--danger); }

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Inline editable ── */
.editable {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px; padding: .125rem .375rem;
  color: var(--text-1);
  transition: var(--transition);
}
.editable:hover { border-color: var(--border); }
.editable:focus { border-color: var(--accent); outline: none; background: var(--bg-surface); box-shadow: 0 0 0 3px var(--accent-bg); }

/* ── Dividers ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }
.section-label { font-size: .6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: .625rem; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .three-col { grid-template-columns: repeat(2, 1fr); }
  .four-col { grid-template-columns: repeat(2, 1fr); }
  .sidebar-layout, .sidebar-layout-r { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .two-col { grid-template-columns: 1fr; }
  .main-content { padding: 1.25rem 1rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .page-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .three-col, .four-col { grid-template-columns: 1fr; }
}

/* ── Mobile Drawer ── */
.mobile-drawer {
  position: fixed; inset: 0 auto 0 0;
  width: 280px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  z-index: 400;
  transform: translateX(-100%);
  transition: transform .25s ease;
  overflow-y: auto;
  padding: 1.5rem 1rem;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 399; display: none;
}
.mobile-overlay.open { display: block; }
.mobile-nav { display: flex; flex-direction: column; gap: .25rem; margin-top: 1.5rem; }
.mobile-nav .nav-link { width: 100%; padding: .625rem .875rem; }

/* ── Accordion ── */
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-btn {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
  font-weight: 500; cursor: pointer;
  transition: var(--transition);
}
.accordion-btn:hover { background: var(--bg-secondary); }
.accordion-chevron { width: 16px; height: 16px; transition: transform .2s; }
.accordion-btn[aria-expanded=true] .accordion-chevron { transform: rotate(180deg); }
.accordion-content { overflow: hidden; }

/* ── Utility ── */
.text-accent  { color: var(--accent); }
.text-success { color: var(--flash-success); }
.text-warning { color: var(--flash-warning); }
.text-danger  { color: var(--danger); }
.text-muted   { color: var(--text-2); }
.text-mono    { font-family: ui-monospace, 'Fira Code', monospace; }
.truncate     { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gap-sm { gap: .5rem; }
.gap-md { gap: 1rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.min-w-0 { min-width: 0; }
.w-full { width: 100%; }
.mt-1 { margin-top: .25rem; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: .25rem; }
.mb-2 { margin-bottom: .5rem; }
.mb-3 { margin-bottom: .75rem; }
.mb-4 { margin-bottom: 1rem; }