/* ============================================================
   Burst LMS — Light theme
   Powered by Epicle, Inc.
   ============================================================ */
:root {
  /* Brand palette derived from the Burst logo: purple → pink → orange → gold */
  --burst-purple: #A855F7;
  --burst-pink:   #EC4899;
  --burst-orange: #F97316;
  --burst-gold:   #FBBF24;
  --burst-amber:  #F59E0B;

  /* Action color: warm amber from the wordmark — readable on white, on-brand */
  --burst-primary: #F59E0B;
  --burst-primary-hover: #D97706;
  --burst-primary-soft: #FEF3C7;
  --burst-primary-dark: #B45309;

  /* Secondary accent: brand purple, used sparingly */
  --burst-accent: #A855F7;
  --burst-accent-soft: #F5E8FF;

  /* Signature gradient (used on logo mark, banners, hero surfaces) */
  --burst-gradient: linear-gradient(135deg, #A855F7 0%, #EC4899 35%, #F97316 70%, #FBBF24 100%);
  --burst-gradient-soft: linear-gradient(135deg, rgba(168,85,247,.10), rgba(251,191,36,.10));

  --burst-success: #10B981;
  --burst-warning: #F59E0B;
  --burst-danger: #EF4444;

  --burst-bg: #FFFBF5;          /* warm-tinted off-white canvas */
  --burst-surface: #FFFFFF;
  --burst-text: #1F1A2E;        /* slightly purple-tinted ink */
  --burst-muted: #6B6478;
  --burst-border: #F1E6D5;      /* warm border */
  --burst-shadow: 0 1px 2px rgba(124,45,18,.04), 0 4px 12px rgba(124,45,18,.06);
  --burst-shadow-lg: 0 4px 12px rgba(124,45,18,.06), 0 12px 32px rgba(168,85,247,.10);

  --sidebar-w-expanded: 260px;
  --sidebar-w-collapsed: 72px;
  --topbar-h: 60px;
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--burst-bg);
  color: var(--burst-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 10.5px;
  line-height: 1.5;
  min-height: 100vh;
}

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

h1, h2, h3, h4, h5 { color: var(--burst-text); font-weight: 600; margin: 0 0 .45rem; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.12rem; }
h3 { font-size: 0.95rem; }
h4 { font-size: 0.85rem; }
h5 { font-size: 0.77rem; }

.lesson-body p, .lesson-body li { font-size: 11px; line-height: 1.55; }
.lesson-body table { font-size: 10.5px; }
small, .small { font-size: 9.5px; }

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

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

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w-expanded);
  background: var(--burst-surface);
  border-right: 1px solid var(--burst-border);
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 1030;
  display: flex;
  flex-direction: column;
  transition: width .2s ease;
  overflow: hidden;
}
.sidebar.collapsed { width: var(--sidebar-w-collapsed); }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: 16px 18px;
  border-bottom: 1px solid var(--burst-border);
  min-height: var(--topbar-h);
}
.sidebar-brand .brand-mark {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: white;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  padding: 2px;
}
.sidebar-brand .brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.sidebar-brand .brand-title {
  font-weight: 700; font-size: 12.5px;
  background: var(--burst-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.sidebar-brand .brand-text { line-height: 1.15; white-space: nowrap; overflow: hidden; }
.sidebar-brand .brand-sub { color: var(--burst-muted); font-size: 9.5px; }
.sidebar.collapsed .brand-text { display: none; }

.sidebar-nav {
  list-style: none; margin: 8px 0 0; padding: 8px;
  flex: 1; overflow-y: auto;
}
.sidebar-nav li { margin: 2px 0; }
.sidebar-section {
  text-transform: uppercase;
  font-size: 8.5px;
  letter-spacing: .08em;
  color: var(--burst-muted);
  padding: 14px 12px 6px;
  font-weight: 600;
}
.sidebar.collapsed .sidebar-section { text-align: center; padding: 14px 0 6px; font-size: 7px; }

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--burst-text);
  font-weight: 500;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.sidebar-nav .nav-link:hover {
  background: var(--burst-primary-soft);
  color: var(--burst-primary);
  text-decoration: none;
}
.sidebar-nav .nav-link.active {
  background: var(--burst-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(236,72,153,.20);
}
.sidebar-nav .nav-link.active .nav-icon { color: white; }
.sidebar-nav .nav-icon {
  width: 20px; text-align: center; flex-shrink: 0;
  color: var(--burst-muted);
  font-size: 17px;
}
.sidebar-nav .nav-link:hover .nav-icon { color: var(--burst-primary); }
.sidebar.collapsed .nav-label { display: none; }
.sidebar.collapsed .nav-link { justify-content: center; padding: 12px 0; }

.sidebar-footer {
  border-top: 1px solid var(--burst-border);
  padding: 14px 16px;
  font-size: 9.5px;
  color: var(--burst-muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-footer strong { color: var(--burst-text); font-size: 10px; }
.sidebar.collapsed .sidebar-footer { text-align: center; padding: 14px 6px; font-size: 7.5px; }
.sidebar.collapsed .sidebar-footer .footer-full { display: none; }

/* ─── Main content ──────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w-expanded);
  flex: 1;
  min-width: 0;
  transition: margin-left .2s ease;
}
.sidebar.collapsed ~ .main { margin-left: var(--sidebar-w-collapsed); }

.topbar {
  background: var(--burst-surface);
  border-bottom: 1px solid var(--burst-border);
  height: var(--topbar-h);
  display: flex; align-items: center;
  padding: 0 22px;
  gap: 14px;
  position: sticky; top: 0; z-index: 1020;
}
.topbar .sidebar-toggle {
  background: transparent; border: none; cursor: pointer;
  padding: 6px 10px; border-radius: 8px;
  color: var(--burst-text); font-size: 18px;
}
.topbar .sidebar-toggle:hover { background: var(--burst-primary-soft); color: var(--burst-primary); }
.topbar .search {
  flex: 1; max-width: 460px;
  position: relative;
}
.topbar .search input {
  width: 100%;
  padding: 8px 14px 8px 38px;
  border: 1px solid var(--burst-border);
  border-radius: 999px;
  background: var(--burst-bg);
  font-size: 11.5px;
}
.topbar .search input:focus {
  outline: none;
  border-color: var(--burst-primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.topbar .search .search-icon {
  position: absolute; top: 50%; left: 14px;
  transform: translateY(-50%);
  color: var(--burst-muted);
  pointer-events: none;
}
.topbar .spacer { flex: 1; }
.topbar .user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 6px;
  border-radius: 999px;
  background: var(--burst-bg);
  font-size: 11px;
  color: var(--burst-text);
  border: 1px solid var(--burst-border);
}
.topbar .avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--burst-gradient);
  color: white;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
}

.content {
  padding: 24px;
  max-width: 1400px;
}
@media (min-width: 1500px) { .content { margin: 0 auto; } }

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--burst-surface);
  border: 1px solid var(--burst-border);
  border-radius: var(--radius);
  box-shadow: var(--burst-shadow);
}
.card .card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--burst-border);
  font-weight: 600;
  background: transparent;
}
.card .card-body { padding: 16px; }
.card .card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--burst-border);
  background: transparent;
}

.stat-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
}
.stat-card .stat-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  background: var(--burst-gradient);
  color: white;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(236,72,153,.20);
}
.stat-card .stat-icon.success { background: rgba(16,185,129,.12); color: var(--burst-success); }
.stat-card .stat-icon.warning { background: rgba(245,158,11,.12); color: var(--burst-warning); }
.stat-card .stat-icon.danger  { background: rgba(239,68,68,.12); color: var(--burst-danger); }
.stat-card .stat-value { font-size: 1.44rem; font-weight: 700; line-height: 1; }
.stat-card .stat-label { color: var(--burst-muted); font-size: 10.5px; margin-top: 4px; }

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--burst-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(245,158,11,.25);
}
.btn-primary:hover { filter: brightness(1.05); color: white; box-shadow: 0 6px 16px rgba(236,72,153,.30); }
.btn-outline {
  background: white;
  border-color: var(--burst-border);
  color: var(--burst-text);
}
.btn-outline:hover { border-color: var(--burst-primary); color: var(--burst-primary); }
.btn-success { background: var(--burst-success); color: white; }
.btn-success:hover { background: #0EA371; color: white; }
.btn-danger { background: var(--burst-danger); color: white; }
.btn-danger:hover { background: #DC2626; color: white; }
.btn-ghost { background: transparent; color: var(--burst-text); }
.btn-ghost:hover { background: var(--burst-primary-soft); color: var(--burst-primary); }
.btn-sm { padding: 5px 11px; font-size: 10.5px; }
.btn-lg { padding: 11px 22px; font-size: 12.5px; }
.btn-block { width: 100%; justify-content: center; }

/* ─── Forms ─────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-weight: 500;
  font-size: 11px;
  margin-bottom: 6px;
  color: var(--burst-text);
}
.form-control, select.form-control, textarea.form-control {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid var(--burst-border);
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  background: white;
  color: var(--burst-text);
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--burst-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-help { font-size: 10px; color: var(--burst-muted); margin-top: 4px; }
.form-error { font-size: 10px; color: var(--burst-danger); margin-top: 4px; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--burst-primary); }

/* ─── Flash messages ────────────────────────────────────────── */
.alerts { margin-bottom: 16px; }
.alert {
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 11px;
  border: 1px solid;
  display: flex; align-items: center; gap: 10px;
}
.alert-success { background: #ECFDF5; color: #065F46; border-color: #A7F3D0; }
.alert-danger  { background: #FEF2F2; color: #991B1B; border-color: #FECACA; }
.alert-warning { background: #FFFBEB; color: #92400E; border-color: #FDE68A; }
.alert-info    { background: var(--burst-primary-soft); color: #1E40AF; border-color: #BFDBFE; }

/* ─── Tables ────────────────────────────────────────────────── */
table.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--burst-surface);
}
table.table th, table.table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--burst-border);
  font-size: 11px;
  vertical-align: middle;
}
table.table thead th {
  background: var(--burst-bg);
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--burst-muted);
}
table.table tbody tr:hover { background: var(--burst-bg); }

/* ─── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 9.5px;
  font-weight: 600;
  background: var(--burst-primary-soft);
  color: var(--burst-primary);
}
.badge-success { background: #ECFDF5; color: var(--burst-success); }
.badge-warning { background: #FFFBEB; color: var(--burst-warning); }
.badge-danger  { background: #FEF2F2; color: var(--burst-danger); }
.badge-muted   { background: var(--burst-bg); color: var(--burst-muted); }

/* ─── Progress bar ─────────────────────────────────────────── */
.progress {
  height: 8px;
  background: var(--burst-border);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar {
  background: var(--burst-gradient);
  height: 100%;
  transition: width .3s;
}
.progress-bar.success { background: linear-gradient(90deg, var(--burst-success), #34D399); }

/* ─── Grid utilities ───────────────────────────────────────── */
.row { display: flex; flex-wrap: wrap; margin: -8px; }
.col { flex: 1; padding: 8px; min-width: 0; }
.col-3 { flex: 0 0 25%; padding: 8px; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; padding: 8px; max-width: 33.333%; }
.col-6 { flex: 0 0 50%; padding: 8px; max-width: 50%; }
.col-8 { flex: 0 0 66.666%; padding: 8px; max-width: 66.666%; }
.col-9 { flex: 0 0 75%; padding: 8px; max-width: 75%; }
.col-12 { flex: 0 0 100%; padding: 8px; max-width: 100%; }
@media (max-width: 992px) {
  .col-3, .col-4 { flex: 0 0 50%; max-width: 50%; }
  .col-6, .col-8, .col-9 { flex: 0 0 100%; max-width: 100%; }
}
@media (max-width: 600px) {
  .col-3, .col-4 { flex: 0 0 100%; max-width: 100%; }
}

/* ─── Course / module cards ────────────────────────────────── */
.course-card {
  background: var(--burst-surface);
  border: 1px solid var(--burst-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .15s, box-shadow .15s;
  display: flex; flex-direction: column;
  height: 100%;
}
.course-card:hover { transform: translateY(-2px); box-shadow: var(--burst-shadow-lg); }
.course-card .course-banner {
  height: 86px;
  background: var(--burst-gradient);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 28px;
}
.course-card .course-banner.alt1 { background: linear-gradient(135deg,#A855F7,#EC4899); }
.course-card .course-banner.alt2 { background: linear-gradient(135deg,#F97316,#FBBF24); }
.course-card .course-banner.alt3 { background: linear-gradient(135deg,#EC4899,#F97316); }
.course-card .course-banner.alt4 { background: linear-gradient(135deg,#A855F7,#F97316); }
.course-card .course-banner.alt5 { background: linear-gradient(135deg,#7C3AED,#EC4899,#FBBF24); }
.course-card .course-body {
  padding: 16px 18px;
  flex: 1;
  display: flex; flex-direction: column;
}
.course-card .course-title { font-weight: 600; margin-bottom: 6px; }
.course-card .course-desc {
  color: var(--burst-muted);
  font-size: 11px;
  margin-bottom: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.course-card .course-meta {
  font-size: 10px; color: var(--burst-muted);
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 10px;
}

/* ─── Module/lesson sidebar (in learn view) ──────────────────── */
.lesson-toc {
  background: var(--burst-surface);
  border: 1px solid var(--burst-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.lesson-toc .toc-module {
  padding: 14px 16px;
  border-bottom: 1px solid var(--burst-border);
  font-weight: 600;
  background: var(--burst-bg);
  font-size: 11px;
}
.lesson-toc .toc-lesson {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px 10px 20px;
  border-bottom: 1px solid var(--burst-border);
  color: var(--burst-text);
  font-size: 11px;
}
.lesson-toc .toc-lesson:hover { background: var(--burst-primary-soft); text-decoration: none; }
.lesson-toc .toc-lesson.active { background: var(--burst-primary-soft); color: var(--burst-primary); font-weight: 600; border-left: 3px solid var(--burst-primary); padding-left: 17px; }
.lesson-toc .toc-lesson .check { color: var(--burst-success); }
.lesson-toc .toc-lesson .pending { color: var(--burst-muted); }
.lesson-toc .toc-lesson:last-child { border-bottom: none; }

/* ─── Lesson body ──────────────────────────────────────────── */
.lesson-body {
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--burst-border);
  padding: 28px 32px;
}
.lesson-body h1, .lesson-body h2, .lesson-body h3 { margin-top: 1.4em; }
.lesson-body p { line-height: 1.55; margin: 0 0 1em; }
.lesson-body ul, .lesson-body ol { padding-left: 1.4em; line-height: 1.55; }
.lesson-body code {
  background: var(--burst-bg);
  border: 1px solid var(--burst-border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 90%;
}
.lesson-body blockquote {
  border-left: 3px solid var(--burst-primary);
  padding: 8px 16px;
  background: var(--burst-primary-soft);
  margin: 1em 0;
  border-radius: 0 8px 8px 0;
  color: #1E40AF;
}
.lesson-body table { border-collapse: collapse; width: 100%; margin: 1em 0; }
.lesson-body table th, .lesson-body table td {
  border: 1px solid var(--burst-border); padding: 8px 12px; font-size: 11px;
}
.lesson-body table th { background: var(--burst-bg); }

.lesson-nav {
  display: flex; justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
}

/* ─── Quiz ─────────────────────────────────────────────────── */
.quiz-question {
  background: var(--burst-surface);
  border: 1px solid var(--burst-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.quiz-question .q-prompt { font-weight: 600; margin-bottom: 12px; }
.quiz-option {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--burst-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: pointer;
  transition: all .12s;
}
.quiz-option:hover { border-color: var(--burst-primary); background: var(--burst-primary-soft); }
.quiz-option input { margin-top: 3px; accent-color: var(--burst-primary); }
.quiz-option.correct { border-color: var(--burst-success); background: #ECFDF5; }
.quiz-option.incorrect { border-color: var(--burst-danger); background: #FEF2F2; }
.quiz-option .explanation { font-size: 10.5px; color: var(--burst-muted); margin-top: 6px; }

/* ─── Auth pages ───────────────────────────────────────────── */
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 15% 10%, rgba(168,85,247,.18), transparent 45%),
    radial-gradient(circle at 90% 90%, rgba(251,191,36,.22), transparent 45%),
    radial-gradient(circle at 60% 50%, rgba(236,72,153,.10), transparent 50%),
    var(--burst-bg);
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: white;
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: 0 12px 40px rgba(168,85,247,.15), 0 4px 12px rgba(245,158,11,.10);
  border: 1px solid var(--burst-border);
  position: relative;
  overflow: hidden;
}
.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--burst-gradient);
}
.auth-brand {
  text-align: center;
  margin-bottom: 24px;
}
.auth-brand .brand-logo {
  height: 64px; width: auto;
  margin-bottom: 12px;
}
.auth-brand h1 {
  font-size: 1.22rem; margin-bottom: 4px;
  background: var(--burst-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.auth-brand .sub { color: var(--burst-muted); font-size: 11px; }
.auth-footer { text-align: center; margin-top: 18px; font-size: 10.5px; color: var(--burst-muted); }

/* ─── Empty states & utilities ─────────────────────────────── */
.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--burst-muted);
}
.empty .empty-icon { font-size: 40px; margin-bottom: 8px; opacity: .55; }

.divider { height: 1px; background: var(--burst-border); margin: 18px 0; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-1 { gap: .25rem; } .gap-2 { gap: .5rem; } .gap-3 { gap: .75rem; } .gap-4 { gap: 1rem; }
.mt-1 { margin-top: .25rem; } .mt-2 { margin-top: .5rem; } .mt-3 { margin-top: 1rem; } .mt-4 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .25rem; } .mb-2 { margin-bottom: .5rem; } .mb-3 { margin-bottom: 1rem; } .mb-4 { margin-bottom: 1.5rem; }
.p-3 { padding: 1rem; } .p-4 { padding: 1.5rem; }

.page-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  flex-wrap: wrap; gap: 12px;
  margin-bottom: 20px;
}
.page-header h1 { margin: 0; }
.page-header .sub { color: var(--burst-muted); font-size: 11px; margin-top: 4px; }

.crumbs { font-size: 10.5px; color: var(--burst-muted); margin-bottom: 4px; }
.crumbs a { color: var(--burst-muted); }
.crumbs a:hover { color: var(--burst-primary); }
.crumbs span { margin: 0 6px; }

/* ─── Mobile ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--burst-shadow-lg);
  }
  .sidebar.mobile-open { transform: translateX(0); }
  .main { margin-left: 0 !important; }
  .topbar .search { display: none; }
  .content { padding: 16px; }
  .lesson-body { padding: 18px; }
}

/* Scrollbar refinement */
.sidebar-nav::-webkit-scrollbar { width: 6px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--burst-border); border-radius: 999px; }