/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { min-height: 100%; -webkit-text-size-adjust: 100%; }
body {
  min-height: 100%;
  margin: 0;
  padding: 0 !important;
  position: static !important;
  overflow-x: hidden;
  background: var(--surface-2);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.025em;
}
h1 { font-size: clamp(28px, 3vw, var(--text-3xl)); }
h2 { font-size: clamp(23px, 2.2vw, var(--text-2xl)); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
p { margin: 0 0 var(--space-4); }
a { color: var(--pt-green-deep); text-decoration: none; }
a:hover, a:focus { color: var(--pt-green-dark); text-decoration: none; }
code, .mono { font-family: var(--font-mono); }
[hidden] { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:focus-visible { outline: 3px solid rgba(95, 175, 63, .35); outline-offset: 2px; }

/* Legacy icon compatibility without Glyphicons font files */
.glyphicon {
  position: static;
  top: auto;
  display: inline-block;
  width: 1em;
  font-family: FontAwesome !important;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
}
.glyphicon-plus::before, .glyphicon-plus-sign::before { content: "\f067"; }
.glyphicon-minus-sign::before { content: "\f068"; }
.glyphicon-chevron-left::before { content: "\f053"; }
.glyphicon-wrench::before { content: "\f0ad"; }
.glyphicon-trash::before { content: "\f1f8"; }
.glyphicon-edit::before { content: "\f040"; }
.glyphicon-book::before { content: "\f02d"; }
.glyphicon-download::before { content: "\f019"; }
.glyphicon-time::before { content: "\f017"; }

/* App shell */
.elo { min-height: 100vh; display: flex; flex-direction: column; }
.header-top-strip {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--pt-green), #8ed36e 62%, #b8e09a);
}
.elo-topbar {
  position: sticky;
  top: 0;
  z-index: 5000;
  min-height: var(--topbar-height);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.elo-topbar-inner {
  width: min(100%, 1600px);
  min-height: var(--topbar-height);
  margin: 0 auto;
  padding: 0 clamp(20px, 3vw, 48px);
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 30px);
}
.elo-brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.elo-brand img { display: block; width: auto; height: 46px; }
.elo-main-nav { min-width: 0; flex: 1 1 auto; }
.elo-main-nav > ul {
  min-width: 0;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  gap: 0;
  list-style: none;
}
.elo-main-nav > ul > li { flex: 0 0 auto; margin: 0; }
.elo-main-nav a,
.elo-nav-more > summary {
  min-height: 38px;
  padding: 8px clamp(8px, .75vw, 14px);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #667985;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: color .16s ease, background .16s ease;
}
.elo-main-nav a i,
.elo-nav-more > summary i { width: 16px; color: #91a0a7; text-align: center; font-size: 14px; }
.elo-main-nav a:hover,
.elo-main-nav a.active,
.elo-nav-more > summary:hover,
.elo-nav-more > summary.active,
.elo-nav-more[open] > summary {
  color: var(--pt-green-dark);
  background: var(--pt-green-soft);
}
.elo-main-nav a:hover i,
.elo-main-nav a.active i,
.elo-nav-more > summary:hover i,
.elo-nav-more[open] > summary i { color: var(--pt-green); }
.elo-nav-toggle {
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
  background: var(--surface);
  cursor: pointer;
}
.elo-nav-more { position: relative; }
.elo-nav-more > summary { list-style: none; }
.elo-nav-more > summary::-webkit-details-marker { display: none; }
.elo-nav-more .caret { width: auto; margin-left: 2px; }
.elo-nav-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  min-width: 210px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  display: grid;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}
.elo-nav-menu a { width: 100%; justify-content: flex-start; }
.elo-account { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.elo-avatar {
  max-width: 220px;
  min-height: 40px;
  padding: 4px 12px 4px 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #465660;
  background: var(--surface);
  font-size: 14px;
  font-weight: 600;
}
.elo-avatar-mark {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--pt-green-dark);
  background: var(--pt-green-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}
.elo-account-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.elo-logout {
  min-height: 40px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  background: var(--pt-green);
  font-size: 14px;
  font-weight: 700;
}
.elo-logout:hover, .elo-logout:focus { color: #fff; background: var(--pt-green-dark); }

/* Dynamic and mobile navigation */
.elo-topbar.is-menu-collapsed .elo-topbar-inner { position: relative; }
.elo-topbar.is-menu-collapsed .elo-brand { order: 1; }
.elo-topbar.is-menu-collapsed .elo-account { order: 2; }
.elo-topbar.is-menu-collapsed .elo-main-nav { order: 3; flex: 0 0 auto; margin-left: auto; }
.elo-topbar.is-menu-collapsed .elo-nav-toggle { display: inline-flex; }
.elo-topbar.is-menu-collapsed .elo-main-nav > ul {
  position: absolute;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  max-height: calc(100vh - var(--topbar-height));
  padding: 10px clamp(20px, 3vw, 48px) 16px;
  border-bottom: 1px solid var(--line);
  display: none;
  align-items: stretch;
  overflow-y: auto;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}
.elo-topbar.is-menu-collapsed.menu-open .elo-main-nav > ul { display: grid; }
.elo-topbar.is-menu-collapsed .elo-main-nav > ul > li,
.elo-topbar.is-menu-collapsed .elo-main-nav a,
.elo-topbar.is-menu-collapsed .elo-nav-more,
.elo-topbar.is-menu-collapsed .elo-nav-more > summary { width: 100%; }
.elo-topbar.is-menu-collapsed .elo-main-nav a,
.elo-topbar.is-menu-collapsed .elo-nav-more > summary { min-height: 44px; justify-content: flex-start; }
.elo-topbar.is-menu-collapsed .elo-nav-menu {
  position: static;
  margin: 4px 0 8px 24px;
  border-left: 2px solid var(--pt-green-muted);
  border-top: 0;
  border-right: 0;
  border-bottom: 0;
  box-shadow: none;
}

/* Page shell and shared components */
#site-container.elo-page-inner {
  position: relative;
  z-index: 0 !important;
  width: min(100%, var(--content-max));
  min-height: calc(100vh - var(--topbar-height) - 100px);
  margin: 0 auto 0;
  padding: 28px 24px 72px;
  flex: 1 0 auto;
}
.page-header {
  margin-bottom: var(--space-6);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
}
.page-header-copy { min-width: 0; }
.page-eyebrow {
  margin-bottom: 6px;
  color: var(--pt-green-deep);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.page-header p { max-width: 760px; margin: 7px 0 0; color: var(--ink-3); }
.page-actions, .toolbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ph { margin-bottom: var(--space-6); display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-5); }
.ph-title { margin-top: 5px; }
.ph-sub { max-width: 760px; margin: 7px 0 0; color: var(--ink-3); }
.ph-actions { margin-top: 22px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ph > .ph-actions { margin-top: 0; justify-content: flex-end; }
.eyebrow { display: inline-block; margin-bottom: 6px; color: var(--pt-green-deep); font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.continue-card .eyebrow { color: #b8dc9f; }
.back-link { margin-bottom: 10px; display: inline-flex; align-items: center; gap: 7px; color: var(--ink-3); font-weight: 600; }
.back-link:hover { color: var(--pt-green-dark); }
.breadcrumb {
  width: fit-content;
  margin: 0 0 8px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-4);
  background: var(--surface-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
.breadcrumb a { color: var(--ink-3); }
.breadcrumb .sep { opacity: .45; }
.page-card, .panel-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.card-head { padding: var(--space-5); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.card-head h2 { margin-top: 3px; }
.panel-card { padding: var(--space-6); }
.muted, .meta { color: var(--ink-4); }
.pill, .status-pill, .score-badge {
  width: fit-content;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-xs);
  font-weight: 700;
}
.pill-info { color: var(--info); background: var(--info-soft); }
.pill-success { color: var(--ok); background: var(--ok-soft); }
.pill-warning { color: var(--warn); background: var(--warn-soft); }
.pill-danger { color: var(--danger); background: var(--danger-soft); }
.pill.info { color: var(--info); background: var(--info-soft); }
.pill.neutral { color: var(--ink-3); background: var(--surface-3); }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; background: currentColor; }
.empty-state { padding: var(--space-8); text-align: center; }
.empty-state > i { margin-bottom: 12px; color: var(--pt-green); font-size: 30px; }
.empty-state p { margin: 8px auto 18px; color: var(--ink-3); }
.empty-inline { margin: 0; padding: 18px var(--space-5); color: var(--ink-3); }
.danger { color: var(--danger) !important; }
.elo-alert {
  margin-bottom: var(--space-5);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.elo-alert-info { color: var(--info); background: var(--info-soft); }

/* Buttons */
.btn,
button.btn,
input[type="submit"].btn {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--ink-2);
  background: var(--surface);
  box-shadow: none;
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.2;
}
.btn:hover, .btn:focus { color: var(--ink); border-color: #cad6ca; background: var(--surface-3); }
.btn.btn-primary, input[type="submit"].btn-primary {
  color: #fff;
  border-color: var(--pt-green);
  background: var(--pt-green);
}
.btn.btn-primary:hover, .btn.btn-primary:focus { color: #fff; border-color: var(--pt-green-dark); background: var(--pt-green-dark); }
.btn-secondary { color: var(--ink-2); border-color: var(--line); background: var(--surface); }
.btn-danger, .text-danger { color: var(--danger) !important; }
.btn-danger { border-color: #edc9c4; background: var(--danger-soft); }
.btn-danger:hover { color: #fff !important; border-color: var(--danger); background: var(--danger); }
.btn-danger-quiet { color: var(--danger); border-color: #edc9c4; background: var(--danger-soft); }
.btn-danger-quiet:hover, .btn-danger-quiet:focus { color: #fff; border-color: var(--danger); background: var(--danger); }
.btn-sm { min-height: 32px; padding: 6px 10px; font-size: var(--text-sm); }
.btn-lg { min-height: 44px; padding: 11px 18px; font-size: 14px; }
.icon-button { width: 34px; height: 34px; padding: 0; border-radius: var(--radius-sm); }

/* Forms */
.form-control,
input[type="text"], input[type="email"], input[type="password"], input[type="date"], input[type="time"],
select, textarea {
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  box-shadow: none;
  font: inherit;
}
.form-control:focus, input:focus, select:focus, textarea:focus {
  border-color: var(--pt-green);
  box-shadow: 0 0 0 3px rgba(95, 175, 63, .16);
  outline: none;
}
.filter-field { position: relative; width: min(100%, 320px); }
.filter-field i { position: absolute; top: 50%; left: 13px; color: var(--ink-4); transform: translateY(-50%); }
.filter-field input { width: 100%; padding-left: 36px; }
.search-field { position: relative; width: min(100%, 380px); margin: 0; }
.search-field i { position: absolute; top: 50%; left: 13px; z-index: 1; color: var(--ink-4); transform: translateY(-50%); }
.search-field input { width: 100%; padding-left: 38px; }

/* Tables */
.table-shell {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: auto;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}
table.table, .table {
  width: 100%;
  margin: 0;
  border: 0;
  border-collapse: separate;
  border-spacing: 0;
  background: transparent;
  box-shadow: none;
}
table.table th, table.table td, .table th, .table td {
  padding: 11px 13px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  color: var(--ink-2);
  font-size: var(--text-md);
  text-align: left;
}
table.table th:last-child, table.table td:last-child { border-right: 0; }
table.table tbody tr:last-child td { border-bottom: 0; }
table.table th {
  color: var(--ink-3);
  background: #fbfcfb;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-style: normal;
  font-weight: 600;
  letter-spacing: .045em;
  text-transform: uppercase;
}
table.table tbody tr:nth-child(even) td { background: #fbfcfb; }
table.table tbody tr:hover td { background: var(--pt-green-soft); }
.table-actions { display: flex; align-items: center; justify-content: flex-end; gap: 6px; }
.table-empty { padding: var(--space-8); color: var(--ink-3); text-align: center; }

/* Dashboard */
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(290px, .75fr); gap: var(--space-5); }
.continue-card {
  min-height: 230px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(125deg, var(--pt-navy), var(--pt-navy-soft));
  box-shadow: var(--shadow-md);
}
.continue-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -70px;
  bottom: -110px;
  border-radius: 50%;
  border: 36px solid rgba(111, 178, 58, .14);
}
.continue-card h1 { position: relative; z-index: 1; color: #fff; }
.continue-card p { max-width: 650px; margin-top: 20px; position: relative; z-index: 1; color: rgba(255,255,255,.8); }
.continue-card .page-actions { margin-top: 26px; position: relative; z-index: 1; }
.continue-card .ph-actions { position: relative; z-index: 1; }
.continue-card .btn-secondary { color: #fff; border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.08); }
.welcome-label { margin-bottom: 12px; color: #b8dc9f; font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .08em; }
.news-card { padding: var(--space-6); border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--surface); box-shadow: var(--shadow-sm); }
.news-card h2, .news-card h3 { margin-top: 14px; }
.news-card p { margin-top: 10px; color: var(--ink-3); }
.text-link { display: inline-flex; align-items: center; gap: 7px; font-weight: 700; }
.quick-grid { margin-top: var(--space-5); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.quick-card {
  min-height: 116px;
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: block;
  color: var(--ink-2);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.quick-card:hover { color: var(--ink); border-color: var(--pt-green-muted); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.quick-card i { margin-bottom: 14px; color: var(--pt-green); font-size: 20px; }
.quick-card strong { display: block; font-family: var(--font-display); font-size: var(--text-lg); }
.quick-card span { display: block; margin-top: 5px; color: var(--ink-3); font-size: var(--text-md); }
.video-card { margin-top: var(--space-5); padding: var(--space-6); }
.media-card { margin-top: var(--space-5); padding: var(--space-6); }
.media-card .card-head { padding: 0 0 var(--space-4); }
.video-card-head { margin-bottom: var(--space-4); display: flex; justify-content: space-between; gap: 12px; }
.video-frame { position: relative; padding-top: 56.25%; border-radius: var(--radius-md); overflow: hidden; background: var(--surface-3); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

/* Lessons overview */
.book-overview-list { display: grid; gap: var(--space-6); }
.course-books { display: grid; gap: var(--space-6); }
.book-overview { padding: var(--space-6); }
.book-overview-head {
  margin-bottom: var(--space-5);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 260px) auto;
  align-items: end;
  gap: var(--space-5);
}
.book-progress { display: grid; gap: 3px; }
.book-progress strong { color: var(--pt-green-dark); font-family: var(--font-display); font-size: var(--text-xl); }
.book-progress span { color: var(--ink-4); font-size: var(--text-sm); }
.book-overview-head p { margin: 6px 0 0; color: var(--ink-3); }
.progress-copy { margin-bottom: 7px; display: flex; justify-content: space-between; color: var(--ink-3); font-size: var(--text-sm); }
.progress-track { height: 9px; border-radius: var(--radius-pill); overflow: hidden; background: var(--surface-3); }
.progress-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--pt-green), #8ed36e); }
.progress-track > span { height: 100%; border-radius: inherit; display: block; background: linear-gradient(90deg, var(--pt-green), #8ed36e); }
.book-overview > .progress-track { margin-bottom: var(--space-5); }
.lesson-card-list { display: grid; gap: 10px; }
.lesson-card { border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; background: var(--surface); }
.lesson-card[open] { border-color: var(--pt-green-muted); box-shadow: var(--shadow-sm); }
.lesson-card > summary {
  min-height: 60px;
  padding: 13px 16px;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}
.lesson-card > summary::-webkit-details-marker { display: none; }
.lesson-card > summary::before { content: "\f054"; color: var(--pt-green); font-family: FontAwesome; text-align: center; transition: transform .16s ease; }
.lesson-card[open] > summary::before { transform: rotate(90deg); }
.lesson-card-title { color: var(--ink); font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.lesson-index { width: 24px; height: 24px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: var(--pt-green-dark); background: var(--pt-green-soft); font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 700; }
.lesson-card > summary::before { display: none; }
.lesson-summary { min-width: 0; display: grid; gap: 3px; }
.lesson-summary strong { color: var(--ink); font-family: var(--font-display); font-size: var(--text-lg); }
.lesson-summary small { color: var(--ink-4); }
.lesson-status { color: var(--ink-4); font-size: var(--text-sm); font-weight: 700; }
.lesson-status.is-complete { color: var(--ok); }
.lesson-chevron { color: var(--pt-green); transition: transform .16s ease; }
.lesson-card[open] .lesson-chevron { transform: rotate(180deg); }
.lesson-card-meta { color: var(--ink-4); font-size: var(--text-sm); white-space: nowrap; }
.lesson-card-body { padding: 0 16px 16px 52px; border-top: 1px solid var(--line-soft); }
.chapter-grid { padding-top: 12px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.chapter-grid { padding: 12px 16px 16px; border-top: 1px solid var(--line-soft); }
.chapter-row { min-height: 44px; padding: 7px 10px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: space-between; gap: 8px; background: var(--surface-2); }
.chapter-row > a:first-child { min-width: 0; display: flex; align-items: center; gap: 9px; color: var(--ink-2); }
.chapter-row > a:first-child i { color: var(--pt-green); }
.chapter-row.is-complete { background: var(--ok-soft); }
.chapter-row.is-complete > a:first-child { color: var(--ok); }
.row-actions { flex: 0 0 auto; display: inline-flex; gap: 4px; }
.row-actions a { width: 30px; height: 30px; border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; color: var(--ink-4); }
.row-actions a:hover { color: var(--pt-green-dark); background: var(--surface); }
.chapter-link {
  min-height: 44px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-2);
  background: var(--surface-2);
}
.chapter-link:hover { color: var(--pt-green-dark); background: var(--pt-green-soft); }
.chapter-link i { color: var(--pt-green); }
.chapter-link .chapter-name { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chapter-link.complete { color: var(--ok); background: var(--ok-soft); }
.lesson-admin-actions { margin-top: 12px; display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }

/* Lesson detail and legacy lesson tree */
.page-lesson-detail #site-container { padding-top: 12px; }
.lesson-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: var(--space-5); align-items: start; }
.lesson-nav-toggle { display: none; }
.lesson-sidebar {
  width: auto;
  max-height: calc(100vh - 92px);
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: sticky;
  top: 78px;
  align-self: start;
  overflow-y: auto;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  scrollbar-width: thin;
}
.lesson-sidebar > a { display: inline-flex; align-items: center; gap: 7px; margin: 2px 0; font-size: var(--text-md); }
.lesson-sidebar > br { display: none; }
.lesson-sidebar .lesson-book + .lesson-book { margin-top: var(--space-5); }
.lesson-sidebar h2 { margin: 10px 0 4px; font-size: var(--text-lg); }
.lesson-sidebar p { margin-bottom: 12px; color: var(--ink-3); font-size: var(--text-md); }
.lesson-sidebar .lesson-container { padding: 7px 0; border-top: 1px solid var(--line-soft); }
.lesson-sidebar .lesson-name-container { display: grid; grid-template-columns: minmax(0, 1fr) 28px 28px; align-items: center; gap: 4px; }
.lesson-sidebar .lesson { min-width: 0; display: flex; align-items: center; gap: 8px; color: var(--ink); cursor: pointer; font-weight: 600; }
.lesson-sidebar .lesson .glyphicon { display: none; }
.lesson-sidebar .lesson::before { content: "\f0da"; width: 14px; color: var(--pt-green); font-family: FontAwesome; text-align: center; }
.lesson-sidebar .lesson.collapsed::before { content: "\f0d7"; }
.lesson-sidebar .showmore { padding: 5px 0 0 28px; }
.lesson-sidebar .lessonchapter {
  min-height: 34px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 26px 26px;
  align-items: center;
  gap: 3px;
}
.lesson-sidebar .lessonchapter > a:first-child { min-width: 0; display: flex; align-items: center; gap: 7px; color: var(--ink-3); }
.lesson-sidebar .lessonchapter > a:first-child .glyphicon { display: none; }
.lesson-sidebar .lessonchapter > a:first-child::before { content: "\f02d"; color: var(--ink-4); font-family: FontAwesome; }
.lesson-sidebar .lessonchapter.selected { background: var(--pt-green-soft); }
.lesson-sidebar .lessonchapter.selected > a:first-child { color: var(--pt-green-dark); font-weight: 700; }
.lesson-sidebar .lessonchapter.selected > a:first-child::before { color: var(--pt-green); }
.lesson-delete, .lesson-edit, .lessonchapter-edit {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  color: var(--ink-4);
}
.lesson-delete .glyphicon, .lesson-edit .glyphicon, .lessonchapter-edit .glyphicon { display: none; }
.lesson-delete::before { content: "\f1f8"; font-family: FontAwesome; }
.lesson-edit::before, .lessonchapter-edit::before { content: "\f040"; font-family: FontAwesome; }
.lesson-delete:hover { color: var(--danger); background: var(--danger-soft); }
.lesson-edit:hover, .lessonchapter-edit:hover { color: var(--pt-green-dark); background: var(--pt-green-soft); }
.result100 { margin-left: auto; padding: 2px 6px; border-radius: var(--radius-sm); color: var(--ok); background: var(--ok-soft); font-family: var(--font-mono); font-size: var(--text-xs); }
.lessonchapter-content {
  width: auto;
  float: none;
  margin-left: 0;
  min-width: 0;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.lessonchapter-head { margin-bottom: var(--space-5); display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); }
.lessonchapter-head h1 { font-size: clamp(26px, 3vw, 34px); }
.lessonchapter-content .button-container { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.btn-download .meta { color: rgba(255,255,255,.82); }
.lessonchapter-content .content-container { width: auto; max-width: 900px; margin: 0; padding-top: 0; color: var(--ink); font-size: 16px; line-height: 1.72; overflow-wrap: anywhere; }
.content-container > * { max-width: 100%; }
.content-container h1, .content-container h2, .content-container h3 { margin: 1.35em 0 .6em; }
.content-container p { margin: 0 0 1em; }
.content-container img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
.content-container iframe, .content-container video, .content-container object, .content-container embed {
  width: 100% !important;
  max-width: 100% !important;
  aspect-ratio: 16 / 9;
  height: auto !important;
  border-radius: var(--radius-md);
}
.content-container table:not(.table) { display: block; width: 100%; max-width: 100%; overflow-x: auto; }
.content-container pre, .content-container code { max-width: 100%; overflow-x: auto; white-space: pre-wrap; }

/* Results */
.stat-grid { margin-bottom: var(--space-6); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.stat-grid .stat-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.stat-card > span { color: var(--ink-3); font-size: var(--text-sm); font-weight: 600; }
.stat-card > strong { margin-top: 5px; display: block; color: var(--ink); font-family: var(--font-display); font-size: 28px; }
.stat-card > small { margin-top: 4px; display: block; color: var(--ink-4); }
.stat-card > strong.stat-date { font-size: var(--text-xl); }
.results-toolbar { margin-bottom: var(--space-5); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.result-books { display: grid; gap: var(--space-6); }
.stats-grid { margin-bottom: var(--space-6); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.stat-card { padding: var(--space-5); }
.stat-card-label { color: var(--ink-3); font-size: var(--text-sm); font-weight: 600; }
.stat-card-value { margin-top: 5px; color: var(--ink); font-family: var(--font-display); font-size: 28px; font-weight: 800; }
.stat-card-meta { margin-top: 4px; color: var(--ink-4); font-size: var(--text-xs); }
.results-book { margin-bottom: var(--space-6); overflow: hidden; }
.result-book { overflow: hidden; }
.result-book .table-shell { border: 0; border-radius: 0; box-shadow: none; }
.results-book-head { padding: var(--space-5); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.score-badge { min-width: 50px; justify-content: center; font-family: var(--font-mono); }
.score-high { color: #fff; background: var(--score-high); }
.score-good { color: #fff; background: var(--score-good); }
.score-mid { color: #fff; background: var(--score-mid); }
.score-low { color: #fff; background: var(--score-low); }
.score-poor { color: #fff; background: var(--score-poor); }
.score-empty { color: var(--ink-3); background: var(--surface-3); }
.score-dot { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.status-label { color: var(--ink-4); font-size: var(--text-sm); font-weight: 600; }
.status-label.is-complete { color: var(--ok); }

/* Groups */
.group-card-list { display: grid; gap: var(--space-6); }
.group-list { display: grid; gap: var(--space-6); }
.group-card { overflow: hidden; }
.group-card-head {
  padding: var(--space-5);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}
.group-card-head h2 { font-size: var(--text-xl); }
.group-card-head p { margin-top: 7px; display: flex; align-items: center; gap: 14px; color: var(--ink-3); flex-wrap: wrap; }
.code-label code { padding: 3px 7px; border-radius: var(--radius-sm); color: var(--pt-green-dark); background: var(--pt-green-soft); }
.group-primary-actions { display: flex; align-items: center; justify-content: flex-end; gap: 7px; flex-wrap: wrap; }
.group-code { margin-top: 6px; color: var(--ink-3); font-size: var(--text-md); }
.group-code code { padding: 3px 7px; border-radius: var(--radius-sm); color: var(--pt-green-dark); background: var(--pt-green-soft); }
.action-menu { position: relative; }
.action-menu > summary {
  min-height: 36px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  list-style: none;
  cursor: pointer;
  color: var(--ink-2);
  background: var(--surface);
  font-size: var(--text-md);
  font-weight: 600;
}
.action-menu > summary::-webkit-details-marker { display: none; }
.action-menu-links {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 30;
  min-width: 210px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  display: grid;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}
.action-menu-links a { padding: 9px 10px; border-radius: var(--radius-sm); display: flex; align-items: center; gap: 8px; color: var(--ink-2); }
.action-menu-links a:hover { background: var(--surface-3); }
.action-menu-links a.danger-link { color: var(--danger); }
.action-menu > div { position: absolute; top: calc(100% + 6px); right: 0; z-index: 30; min-width: 210px; padding: 7px; border: 1px solid var(--line); border-radius: var(--radius-md); display: grid; background: var(--surface); box-shadow: var(--shadow-lg); }
.action-menu > div a { padding: 9px 10px; border-radius: var(--radius-sm); display: flex; align-items: center; gap: 8px; color: var(--ink-2); }
.action-menu > div a:hover { background: var(--surface-3); }
.member-panel > summary { padding: 13px var(--space-5); cursor: pointer; color: var(--ink-2); font-weight: 700; list-style: none; }
.member-panel > summary::-webkit-details-marker { display: none; }
.member-panel > summary::before { content: "\f054"; margin-right: 8px; color: var(--pt-green); font-family: FontAwesome; }
.member-panel[open] > summary::before { content: "\f078"; }
.member-panel > summary span { margin-left: 5px; padding: 2px 7px; border-radius: var(--radius-pill); color: var(--ink-3); background: var(--surface-3); font-size: var(--text-xs); }
.group-card .table-shell { border: 0; border-radius: 0; box-shadow: none; }
.archived-groups { margin-top: var(--space-8); }
.archived-groups > summary { cursor: pointer; color: var(--ink); font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; }
.archived-groups > summary { padding: var(--space-5); display: flex; align-items: center; justify-content: space-between; list-style: none; }
.archived-groups .table-shell { border-width: 1px 0 0; border-radius: 0; box-shadow: none; }

/* Score matrix */
.group-toolbar { margin-bottom: var(--space-6); display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.score-legend { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.score-legend.page-card { margin-bottom: var(--space-5); padding: 13px 16px; }
.score-legend small { margin-left: auto; color: var(--ink-4); }
.score-legend span { font-size: var(--text-xs); }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.matrix-section { margin-bottom: var(--space-6); }
.matrix-section-head { margin-bottom: 10px; }
.matrix-card { margin-bottom: var(--space-6); overflow: hidden; }
.matrix-card .score-matrix-wrap { margin: var(--space-4); }
.score-matrix-wrap { max-width: 100%; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: auto; background: var(--surface); }
.score-matrix-wrap table { min-width: 760px; }
.score-matrix-wrap table.table thead th { position: sticky; top: 0; z-index: 3; }
.score-matrix-wrap table.table th:first-child,
.score-matrix-wrap table.table td:first-child { position: sticky; left: 0; z-index: 2; min-width: 210px; background: var(--surface); }
.score-matrix-wrap table.table thead th:first-child { z-index: 4; background: #fbfcfb; }
.score-matrix-wrap .assignment { min-width: 58px; text-align: center; }
.group-result {
  min-width: 38px;
  min-height: 28px;
  padding: 4px 7px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--score-good);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
}
.group-result.score-high { background: var(--score-high); }
.group-result.score-good { background: var(--score-good); }
.group-result.score-mid { background: var(--score-mid); }
.group-result.score-low { background: var(--score-low); }
.group-result.score-poor { background: var(--score-poor); }
.score-matrix td.score-good .group-result { background: var(--score-good); }
.score-matrix td.score-mid .group-result { background: var(--score-mid); }
.score-matrix td.score-low .group-result { background: var(--score-low); }

/* Timetable and admin */
.timetable-card, .admin-list-card { margin-bottom: var(--space-6); overflow: hidden; }
.timetable-card .table-shell, .admin-list-card .table-shell { border: 0; border-radius: 0; box-shadow: none; }
.timetable .date { min-width: 180px; }
.timetable .time { width: 100px; }
.ajax-loading { margin-left: 8px; }
.admin-toolbar { margin-bottom: var(--space-4); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.ph .admin-toolbar { margin-bottom: 0; }
.list-toolbar { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.item-link { display: inline-flex; align-items: center; gap: 8px; }
.item-link i { color: var(--pt-green); }
.hash-value { max-width: 320px; display: inline-block; overflow-wrap: anywhere; }
.hash-cell { max-width: 410px; font-family: var(--font-mono); font-size: var(--text-xs); overflow-wrap: anywhere; }
.file-name { font-weight: 600; }

/* Modal */
.modal-content { border: 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.modal-header, .modal-footer { border-color: var(--line); }
.modal-title { font-family: var(--font-display); font-weight: 700; }

/* Footer */
.elo-footer {
  position: static !important;
  width: 100%;
  height: auto !important;
  min-height: 94px;
  margin-top: var(--space-8);
  padding: 28px 24px !important;
  border-top: 1px solid var(--line);
  flex: 0 0 auto;
  color: var(--ink-3);
  background: var(--surface);
  font-size: var(--text-md);
}
.elo-footer-inner { width: min(100%, var(--content-max)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.elo-footer p { margin: 0; }

/* Responsive */
@media (max-width: 1180px) {
  .elo-topbar .elo-topbar-inner { position: relative; }
  .elo-topbar .elo-brand { order: 1; }
  .elo-topbar .elo-account { order: 2; }
  .elo-topbar .elo-main-nav { order: 3; flex: 0 0 auto; margin-left: auto; }
  .elo-topbar .elo-nav-toggle { display: inline-flex; }
  .elo-topbar .elo-main-nav > ul {
    position: absolute;
    top: var(--topbar-height);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--topbar-height));
    padding: 10px clamp(20px, 3vw, 48px) 16px;
    border-bottom: 1px solid var(--line);
    display: none;
    align-items: stretch;
    overflow-y: auto;
    background: var(--surface);
    box-shadow: var(--shadow-md);
  }
  .elo-topbar.menu-open .elo-main-nav > ul { display: grid; }
  .elo-topbar .elo-main-nav > ul > li,
  .elo-topbar .elo-main-nav a,
  .elo-topbar .elo-nav-more,
  .elo-topbar .elo-nav-more > summary { width: 100%; }
  .elo-topbar .elo-main-nav a,
  .elo-topbar .elo-nav-more > summary { min-height: 44px; justify-content: flex-start; }
  .elo-topbar .elo-nav-menu { position: static; margin: 4px 0 8px 24px; border-left: 2px solid var(--pt-green-muted); border-top: 0; border-right: 0; border-bottom: 0; box-shadow: none; }
}
@media (max-width: 900px) {
  #site-container.elo-page-inner { padding: 20px 18px 56px; }
  .dashboard-grid, .quick-grid, .stats-grid, .stat-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .book-overview-head { grid-template-columns: 1fr; }
  .chapter-grid { grid-template-columns: 1fr; }
  .lesson-layout { display: block; }
  .lesson-nav-toggle {
    width: 100%;
    min-height: 46px;
    margin-bottom: 12px;
    padding: 10px 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--ink-2);
    background: var(--surface);
    font-weight: 700;
  }
  .page-lesson-detail .lesson-sidebar { display: none; position: static; max-height: 65vh; margin-bottom: 12px; }
  .page-lesson-detail .lesson-sidebar.is-open { display: block; }
  .page-lessons .lesson-sidebar { position: static; max-height: none; }
  .lessonchapter-content { padding: var(--space-5); }
  .lessonchapter-head { display: block; }
  .lessonchapter-content .button-container { margin-top: 12px; justify-content: flex-start; }
}
@media (max-width: 700px) {
  .elo-brand img { height: 40px; }
  .elo-topbar-inner { gap: 8px; padding: 0 16px; }
  .elo-account-name { display: none; }
  .elo-avatar { padding-right: 5px; }
  .elo-logout { width: 40px; padding: 0; justify-content: center; }
  .elo-logout span { display: none; }
  .page-header, .ph { align-items: stretch; display: grid; }
  .page-actions { width: 100%; }
  .page-actions .btn { flex: 1; }
  .quick-grid, .stats-grid, .stat-grid { grid-template-columns: 1fr; }
  .continue-card { min-height: 0; }
  .panel-card, .book-overview { padding: var(--space-4); }
  .lesson-card > summary { grid-template-columns: 24px minmax(0, 1fr) auto 16px; }
  .lesson-card-meta { display: none; }
  .lesson-card-body { padding-left: 16px; }
  .results-book-head, .group-card-head { align-items: stretch; flex-direction: column; }
  .table-shell { max-width: calc(100vw - 36px); }
  table.table { min-width: 680px; }
  .score-matrix-wrap { max-width: calc(100vw - 36px); }
  .action-menu-links { position: static; margin-top: 6px; }
  .action-menu > div { position: static; margin-top: 6px; }
  .group-primary-actions { justify-content: flex-start; }
  .list-toolbar, .results-toolbar, .score-legend.page-card { align-items: stretch; flex-direction: column; }
  .score-legend small { margin-left: 0; }
  .elo-footer-inner { display: grid; text-align: center; justify-items: center; }
}
@media (max-width: 420px) {
  .elo-avatar { display: none; }
  .elo-brand img { height: 38px; }
  .elo-nav-toggle, .elo-logout { width: 38px; height: 38px; min-height: 38px; }
}

@media print {
  .elo-topbar, .elo-footer, .page-actions, .toolbar-actions, .action-menu { display: none !important; }
  #site-container.elo-page-inner { width: 100%; max-width: none; padding: 0; }
  .page-card, .panel-card, .table-shell { box-shadow: none; }
}