/* LMS (courses) UI, from the ui-redesign mockups.
   Everything is scoped under .lms-ui and prefixed lms- so it never clashes with Bootstrap or style.css. */

.lms-ui {
  --lms-brand-700: #005F67;
  --lms-brand-600: #00727C;
  --lms-brand-500: #008D99;
  --lms-brand-100: #CCEDEF;
  --lms-brand-50: #EAF7F8;
  --lms-ink: #131C33;
  --lms-ink-2: #34405C;
  --lms-muted: #5B6680;
  --lms-line: #E2E7EF;
  --lms-line-2: #CFD6E2;
  --lms-bg: #F6F8FB;
  --lms-surface: #FFFFFF;
  --lms-accent: #F2A93B;
  --lms-accent-50: #FEF5E6;
  --lms-success: #157A3E; --lms-success-50: #E8F6EE;
  --lms-danger: #B42318; --lms-danger-50: #FDECEA;
  --lms-warn: #8A5A00; --lms-warn-50: #FFF6DD;
  --lms-info: #1D4ED8; --lms-info-50: #EAF0FE;
  --lms-r-sm: 8px; --lms-r: 12px; --lms-r-lg: 18px; --lms-r-pill: 999px;
  --lms-shadow-sm: 0 1px 2px rgba(19,28,51,.06), 0 1px 3px rgba(19,28,51,.05);
  --lms-shadow: 0 4px 14px rgba(19,28,51,.07), 0 2px 4px rgba(19,28,51,.04);
  --lms-font: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --lms-font-head: 'Manrope', 'DM Sans', system-ui, sans-serif;
  --lms-ease: cubic-bezier(.2,.7,.2,1);

  font-family: var(--lms-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--lms-ink);
  background: var(--lms-bg);
  padding-bottom: 64px;
}
.lms-ui *, .lms-ui *::before, .lms-ui *::after { box-sizing: border-box; }
.lms-ui h1, .lms-ui h2, .lms-ui h3, .lms-ui h4 { font-family: var(--lms-font-head); font-weight: 800; color: var(--lms-ink); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
.lms-ui h1 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -.02em; }
.lms-ui h2 { font-size: clamp(20px, 2.2vw, 24px); }
.lms-ui h3 { font-size: 17px; }
.lms-ui p { margin: 0 0 16px; }
.lms-ui a { color: var(--lms-brand-600); text-decoration: none; }
.lms-ui a:hover { text-decoration: underline; text-underline-offset: 3px; }
.lms-ui :focus-visible { outline: 3px solid var(--lms-brand-500); outline-offset: 2px; border-radius: 6px; }
.lms-ui img { max-width: 100%; display: block; }
.lms-ui .lms-muted { color: var(--lms-muted); }
.lms-ui .lms-small { font-size: 14px; }
.lms-ui .lms-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lms-ic { width: 20px; height: 20px; flex-shrink: 0; display: inline-block; vertical-align: middle; }
.lms-ic-sm { width: 16px; height: 16px; }

/* Layout */
.lms-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .lms-wrap { padding: 0 24px; } }
.lms-section { padding-top: 32px; }
.lms-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.lms-grid > * { min-width: 0; }
.lms-side { display: grid; gap: 24px; align-items: start; }
.lms-side > * { min-width: 0; }
@media (min-width: 1000px) {
  .lms-side { grid-template-columns: minmax(0, 1fr) 340px; }
  .lms-sticky { position: sticky; top: 24px; }
}
.lms-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.lms-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.lms-stack > * + * { margin-top: 16px; }

/* Page head */
.lms-head { background: linear-gradient(180deg, var(--lms-brand-50), var(--lms-surface)); border-bottom: 1px solid var(--lms-line); }
.lms-head .lms-wrap { padding-top: 32px; padding-bottom: 32px; }
.lms-head p { color: var(--lms-muted); margin: 0; max-width: 680px; }
.lms-crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--lms-muted); margin-bottom: 12px; }
.lms-ui .lms-crumbs a { color: var(--lms-muted); }

/* Buttons */
.lms-ui .lms-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border-radius: var(--lms-r-sm); border: 1.5px solid transparent; font: 800 15px/1.2 var(--lms-font); cursor: pointer; text-decoration: none; white-space: nowrap; transition: background-color .18s var(--lms-ease), border-color .18s, color .18s, transform .1s; }
.lms-ui .lms-btn:hover { text-decoration: none; }
.lms-ui .lms-btn:active { transform: scale(.98); }
.lms-ui .lms-btn-primary { background: var(--lms-brand-600); color: #fff; }
.lms-ui .lms-btn-primary:hover { background: var(--lms-brand-700); color: #fff; }
.lms-ui .lms-btn-outline { background: #fff; color: var(--lms-ink); border-color: var(--lms-line-2); }
.lms-ui .lms-btn-outline:hover { border-color: var(--lms-brand-500); color: var(--lms-brand-700); }
.lms-ui .lms-btn-dark { background: var(--lms-ink); color: #fff; }
.lms-ui .lms-btn-dark:hover { background: #222D4A; color: #fff; }
.lms-ui .lms-btn-ghost { background: transparent; color: var(--lms-brand-700); }
.lms-ui .lms-btn-ghost:hover { background: var(--lms-brand-50); }
.lms-ui .lms-btn-white { background: #fff; color: var(--lms-ink); }
.lms-ui .lms-btn-sm { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.lms-ui .lms-btn-lg { min-height: 52px; padding: 14px 24px; font-size: 16px; border-radius: var(--lms-r); }
.lms-ui .lms-btn-block { width: 100%; }
.lms-ui .lms-btn.is-disabled, .lms-ui .lms-btn[disabled] { opacity: .45; cursor: not-allowed; pointer-events: none; }
.lms-ui form.lms-inline { display: inline; margin: 0; }

/* Badges */
.lms-badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: var(--lms-r-pill); font-size: 12px; font-weight: 800; background: var(--lms-brand-50); color: var(--lms-brand-700); white-space: nowrap; line-height: 1.5; }
.lms-badge-ink { background: var(--lms-ink); color: #fff; }
.lms-badge-accent { background: var(--lms-accent-50); color: var(--lms-warn); }
.lms-badge-success { background: var(--lms-success-50); color: var(--lms-success); }
.lms-badge-danger { background: var(--lms-danger-50); color: var(--lms-danger); }
.lms-badge-info { background: var(--lms-info-50); color: var(--lms-info); }
.lms-badge-muted { background: #EEF1F6; color: var(--lms-ink-2); }

/* Cards and panels */
.lms-card { background: var(--lms-surface); border: 1px solid var(--lms-line); border-radius: var(--lms-r-lg); box-shadow: var(--lms-shadow-sm); overflow: hidden; display: flex; flex-direction: column; }
.lms-ui a.lms-card { color: inherit; transition: box-shadow .2s var(--lms-ease), border-color .2s, transform .2s var(--lms-ease); }
.lms-ui a.lms-card:hover { text-decoration: none; box-shadow: var(--lms-shadow); border-color: var(--lms-brand-100); transform: translateY(-2px); }
.lms-ui a.lms-card:hover h2 { color: var(--lms-brand-700); }
.lms-card-body { padding: 16px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.lms-card-body h2 { font-size: 18px; margin-bottom: 8px; }
.lms-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 24px; border-top: 1px solid var(--lms-line); font-size: 14px; }
.lms-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--lms-muted); margin-top: auto; }
.lms-meta span { display: inline-flex; align-items: center; gap: 5px; }
.lms-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lms-panel { background: var(--lms-surface); border: 1px solid var(--lms-line); border-radius: var(--lms-r-lg); padding: 24px; }
.lms-panel-title { font-family: var(--lms-font-head); font-size: 16px; font-weight: 800; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.lms-tint { background: var(--lms-brand-50); border-color: var(--lms-brand-100); }

/* Media (thumbnail or placeholder) */
.lms-media { position: relative; aspect-ratio: 16/9; background: linear-gradient(135deg, #0B8F9B, #0F4C5C); display: grid; place-items: center; color: rgba(255,255,255,.9); overflow: hidden; }
.lms-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lms-media .lms-ph { font-weight: 800; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.lms-media .lms-tl { position: absolute; left: 10px; top: 10px; z-index: 1; }
.lms-media .lms-dur { position: absolute; right: 10px; bottom: 10px; z-index: 1; background: rgba(19,28,51,.85); color: #fff; font-size: 12px; font-weight: 800; padding: 2px 8px; border-radius: 6px; font-variant-numeric: tabular-nums; }

/* Progress */
.lms-progress { height: 8px; border-radius: var(--lms-r-pill); background: #E7ECF2; overflow: hidden; flex: 1 1 auto; min-width: 60px; }
.lms-progress > i { display: block; height: 100%; background: linear-gradient(90deg, var(--lms-brand-500), var(--lms-brand-600)); border-radius: inherit; transition: width .3s var(--lms-ease); }
.lms-progress.is-done > i { background: var(--lms-success); }
.lms-progress-lg { height: 12px; }

/* Alerts */
.lms-alert { display: flex; gap: 12px; padding: 16px; border-radius: var(--lms-r); border: 1px solid; font-size: 15px; margin-top: 16px; }
.lms-alert p { margin: 0; }
.lms-alert-success { background: var(--lms-success-50); border-color: #BFE3CD; color: #14532D; }
.lms-alert-danger { background: var(--lms-danger-50); border-color: #F6C6C1; color: #7A1A12; }
.lms-alert-warn { background: var(--lms-warn-50); border-color: #F5DD9E; color: #6B4600; }
.lms-alert-info { background: var(--lms-info-50); border-color: #C8D6FB; color: #1E3A8A; }
.lms-alert .lms-x { margin-left: auto; background: none; border: 0; cursor: pointer; color: inherit; padding: 0 4px; font-size: 18px; line-height: 1; }

/* Empty state */
.lms-empty { text-align: center; padding: 48px 24px; border: 1.5px dashed var(--lms-line-2); border-radius: var(--lms-r-lg); background: #fff; }
.lms-empty-ic { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; background: var(--lms-brand-50); color: var(--lms-brand-600); }

/* Course page head (dark) */
.lms-course-head { background: var(--lms-ink); color: #C9D2E3; }
.lms-course-head .lms-wrap { padding-top: 32px; padding-bottom: 32px; }
.lms-ui .lms-course-head h1 { color: #fff; }
.lms-ui .lms-course-head .lms-crumbs, .lms-ui .lms-course-head .lms-crumbs a { color: #9AA6BE; }
.lms-course-head .lms-lead { font-size: 18px; color: #C9D2E3; max-width: 640px; }
.lms-course-head .lms-meta { color: #C9D2E3; font-size: 14px; }
.lms-course-head .lms-side { align-items: center; }
.lms-course-head .lms-card { color: var(--lms-ink); }
.lms-ticks { list-style: none; padding: 0; margin: 16px 0 0; font-size: 14px; }
.lms-ticks li { display: flex; gap: 10px; padding: 4px 0; align-items: center; }
.lms-ticks .lms-ic { color: var(--lms-brand-600); }

/* Prose (course description) */
.lms-prose { font-size: 17px; line-height: 1.75; color: #24304A; }
.lms-prose h1, .lms-prose h2 { font-size: 22px; margin-top: 24px; }
.lms-prose h3 { font-size: 18px; margin-top: 20px; }
.lms-prose ul, .lms-prose ol { padding-left: 22px; }
.lms-prose > :first-child { margin-top: 0; }

/* Course outline (accordion) */
.lms-acc { border: 1px solid var(--lms-line); border-radius: var(--lms-r-lg); background: #fff; overflow: hidden; }
.lms-acc details + details { border-top: 1px solid var(--lms-line); }
.lms-acc summary { list-style: none; cursor: pointer; padding: 16px 24px; font-weight: 800; display: flex; align-items: center; gap: 12px; }
.lms-acc summary::-webkit-details-marker { display: none; }
.lms-acc summary .lms-sec-meta { margin-left: auto; font-size: 13px; color: var(--lms-muted); font-weight: 700; white-space: nowrap; }
.lms-acc summary .lms-chev { transition: transform .2s; color: var(--lms-muted); }
.lms-acc details[open] summary .lms-chev { transform: rotate(180deg); }
.lms-sec-ic { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: var(--lms-brand-600); color: #fff; flex-shrink: 0; }
.lms-sec-ic.is-done { background: var(--lms-success); }
.lms-sec-ic.is-locked { background: #8C96AB; }

/* Lesson rows (outline, sidebar) */
.lms-lesson { display: flex; align-items: center; gap: 12px; padding: 12px 24px; border-top: 1px solid var(--lms-line); color: var(--lms-ink); font-size: 15px; }
.lms-ui a.lms-lesson:hover { background: #F8FAFC; text-decoration: none; }
.lms-lesson .lms-state { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; flex-shrink: 0; background: #EEF1F6; color: var(--lms-muted); }
.lms-lesson.is-done .lms-state { background: var(--lms-success-50); color: var(--lms-success); }
.lms-lesson.is-current { background: var(--lms-brand-50); }
.lms-lesson.is-current .lms-state { background: var(--lms-brand-600); color: #fff; }
.lms-lesson.is-locked { color: var(--lms-muted); }
.lms-lesson .lms-t { flex: 1; min-width: 0; }
.lms-lesson .lms-d { font-size: 13px; color: var(--lms-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.lms-lesson .lms-badge { margin-left: 6px; }

/* Definition list */
.lms-kv { display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; font-size: 15px; margin: 0; }
.lms-kv dt { color: var(--lms-muted); font-weight: 700; }
.lms-kv dd { margin: 0; font-weight: 700; text-align: right; }

/* Lesson page */
.lms-topbar { background: #fff; border-bottom: 1px solid var(--lms-line); }
.lms-topbar .lms-wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.lms-topbar-title { flex: 1; min-width: 200px; }
.lms-topbar-title .lms-row { gap: 10px; flex-wrap: nowrap; }
.lms-topbar-title .lms-progress { max-width: 320px; }
.lms-ui .lms-icon-btn { width: 44px; height: 44px; display: inline-grid; place-items: center; border-radius: var(--lms-r-sm); border: 1px solid var(--lms-line); background: #fff; color: var(--lms-ink-2); flex-shrink: 0; }
.lms-ui .lms-icon-btn:hover { color: var(--lms-brand-700); border-color: var(--lms-brand-500); }
.lms-learn { display: grid; gap: 24px; align-items: start; }
.lms-learn > * { min-width: 0; }
@media (min-width: 1100px) { .lms-learn { grid-template-columns: minmax(0, 1fr) 360px; } }
.lms-player { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #0B1222; border-radius: var(--lms-r-lg); overflow: hidden; }
.lms-player iframe, .lms-player video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lms-player-empty { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 8px; color: #C9D2E3; padding: 24px; text-align: center; }
.lms-player-empty strong { color: #fff; font-family: var(--lms-font-head); font-size: 18px; }
.lms-note { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 16px; border-radius: var(--lms-r); border: 1px solid #F5DD9E; background: var(--lms-warn-50); color: #6B4600; margin-top: 16px; }
.lms-note p { margin: 0; }
.lms-note.is-passed { border-color: #BFE3CD; background: var(--lms-success-50); color: #14532D; }
.lms-outline-card { background: #fff; border: 1px solid var(--lms-line); border-radius: var(--lms-r-lg); overflow: hidden; }
@media (min-width: 1100px) { .lms-outline-card { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow-y: auto; } }
.lms-outline-head { padding: 16px 20px; }
.lms-sec-title { padding: 12px 20px; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--lms-muted); background: #F8FAFC; border-top: 1px solid var(--lms-line); }
.lms-outline-card .lms-lesson { padding: 12px 20px; }

/* Quiz */
.lms-q { background: #fff; border: 1px solid var(--lms-line); border-radius: var(--lms-r-lg); padding: 24px; margin: 0 0 16px; min-width: 0; }
.lms-q legend { float: left; width: 100%; font-family: var(--lms-font-head); font-weight: 800; font-size: 18px; line-height: 1.4; margin-bottom: 16px; padding: 0; }
.lms-q legend + * { clear: both; }
.lms-opt { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1.5px solid var(--lms-line-2); border-radius: var(--lms-r); cursor: pointer; background: #fff; transition: border-color .15s, background-color .15s; font-weight: 500; margin: 0; }
.lms-opt + .lms-opt { margin-top: 8px; }
.lms-opt:hover { border-color: var(--lms-brand-500); }
.lms-opt input { width: 20px; height: 20px; accent-color: var(--lms-brand-600); flex-shrink: 0; margin: 0; }
.lms-opt:has(input:checked) { border-color: var(--lms-brand-600); background: var(--lms-brand-50); }
.lms-timer { font-variant-numeric: tabular-nums; font-family: var(--lms-font-head); font-weight: 800; font-size: 28px; line-height: 1; }
.lms-score { text-align: center; }
.lms-ring { --p: 0; --c: var(--lms-danger); width: 140px; height: 140px; border-radius: 50%; background: conic-gradient(var(--c) calc(var(--p) * 1%), #EEF1F6 0); display: grid; place-items: center; margin: 0 auto; }
.lms-ring span { width: 112px; height: 112px; border-radius: 50%; background: #fff; display: grid; place-items: center; font-family: var(--lms-font-head); font-weight: 800; font-size: 28px; }
.lms-ring.is-pass { --c: var(--lms-success); }
.lms-review { border-left: 4px solid var(--lms-danger); }
.lms-review.is-right { border-left-color: var(--lms-success); }
.lms-review ul { margin: 0 0 8px; padding-left: 20px; }

/* My courses */
.lms-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-top: 24px; }
.lms-stat { padding: 16px 24px; background: #fff; border: 1px solid var(--lms-line); border-radius: var(--lms-r); }
.lms-stat b { display: block; font-family: var(--lms-font-head); font-size: 28px; font-weight: 800; font-variant-numeric: tabular-nums; }
.lms-stat span { color: var(--lms-muted); font-size: 14px; }
.lms-enrol { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; padding: 16px 24px; background: #fff; border: 1px solid var(--lms-line); border-radius: var(--lms-r-lg); }
.lms-enrol + .lms-enrol { margin-top: 12px; }
.lms-enrol .lms-media { width: 200px; border-radius: var(--lms-r); flex-shrink: 0; }
.lms-enrol-body { flex: 1; min-width: 220px; }
.lms-enrol-body h2 { font-size: 18px; margin-bottom: 6px; }
.lms-enrol-body .lms-row { flex-wrap: nowrap; }
.lms-enrol-body .lms-progress { max-width: 360px; }
@media (max-width: 640px) { .lms-enrol .lms-media { width: 100%; } }

/* Pagination from Laravel (Bootstrap markup) */
.lms-ui .pagination { justify-content: center; margin-top: 32px; }

@media (prefers-reduced-motion: reduce) {
  .lms-ui *, .lms-ui *::before, .lms-ui *::after { transition: none !important; animation: none !important; }
}
.lms-ic-lg { width: 32px; height: 32px; }
/* Site-wide style.css sizes plain p/li; keep them at body size inside LMS text */
.lms-ui .lms-prose p, .lms-ui .lms-prose li { font-size: 16px; line-height: 1.7; color: #24304A; }
.lms-ui .lms-prose ul { list-style: disc; } .lms-ui .lms-prose ol { list-style: decimal; }
.lms-ui .lms-prose li { margin: 4px 0; }
.lms-ui .lms-review li { font-size: 15px; list-style: disc; }

/* ===================== Lesson page: three-pane learning layout ===================== */
.lms-ui.lms-lp { display: grid; grid-template-columns: 300px minmax(0, 1fr) 300px 76px; align-items: start; padding-bottom: 0; background: #fff; border-top: 1px solid var(--lms-line); min-height: calc(100vh - 100px); }
.lms-lp.is-nav-closed { grid-template-columns: 0 minmax(0, 1fr) 300px 76px; }
.lms-lp.is-panel-closed { grid-template-columns: 300px minmax(0, 1fr) 0 76px; }
.lms-lp.is-nav-closed.is-panel-closed { grid-template-columns: 0 minmax(0, 1fr) 0 76px; }
.lms-lp.is-nav-closed .lms-lp-nav, .lms-lp.is-panel-closed .lms-lp-panel { display: none; }
.lms-lp-nav { grid-column: 1; grid-row: 1; } .lms-lp-main { grid-column: 2; grid-row: 1; } .lms-lp-panel { grid-column: 3; grid-row: 1; } .lms-lp-rail { grid-column: 4; grid-row: 1; }

/* left */
.lms-lp-nav { position: sticky; top: 0; max-height: 100vh; overflow-y: auto; border-right: 1px solid var(--lms-line); background: #fff; }
.lms-lp-nav-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; padding: 20px 16px 12px 20px; }
.lms-ui .lms-lp-course { font-family: var(--lms-font-head); font-weight: 800; font-size: 17px; line-height: 1.3; color: var(--lms-ink); }
.lms-lp-iconbtn { width: 36px; height: 36px; flex-shrink: 0; display: grid; place-items: center; border: 0; background: transparent; border-radius: var(--lms-r-sm); color: var(--lms-ink-2); cursor: pointer; }
.lms-lp-iconbtn:hover { background: #F1F4F8; }
.lms-lp-goal { margin: 4px 16px 12px; padding: 14px 16px; border: 1px solid var(--lms-line); border-radius: var(--lms-r); background: var(--lms-brand-50); display: grid; gap: 8px; }
.lms-lp-goal .lms-progress { flex: none; width: 100%; }
.lms-lp-sec { border-top: 1px solid var(--lms-line); }
.lms-lp-sec summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 14px 16px 14px 20px; }
.lms-lp-sec summary::-webkit-details-marker { display: none; }
.lms-lp-sec summary:hover { background: #F8FAFC; }
.lms-lp-sec .lms-chev { color: var(--lms-muted); transition: transform .2s; }
.lms-lp-sec[open] .lms-chev { transform: rotate(180deg); }
.lms-lp-sec-no { display: block; font-size: 12px; color: var(--lms-muted); font-weight: 700; }
.lms-lp-sec-title { display: block; font-weight: 800; font-size: 14px; line-height: 1.35; color: var(--lms-ink); }
.lms-lp-item { display: flex; align-items: flex-start; gap: 12px; padding: 10px 16px 10px 20px; margin: 0 8px 2px; border-radius: var(--lms-r-sm); color: var(--lms-ink); }
.lms-ui a.lms-lp-item:hover { background: #F1F4F8; text-decoration: none; color: var(--lms-ink); }
.lms-lp-item:last-child { margin-bottom: 10px; }
.lms-lp-item.is-current { background: var(--lms-brand-50); box-shadow: inset 3px 0 0 var(--lms-brand-600); }
.lms-lp-item.is-locked { color: var(--lms-muted); }
.lms-lp-dot { width: 20px; height: 20px; margin-top: 1px; border-radius: 50%; border: 1.5px solid var(--lms-line-2); display: grid; place-items: center; flex-shrink: 0; color: var(--lms-muted); background: #fff; }
.lms-lp-dot .lms-ic { width: 12px; height: 12px; }
.lms-lp-item.is-done .lms-lp-dot { background: var(--lms-success); border-color: var(--lms-success); color: #fff; }
.lms-lp-item.is-current .lms-lp-dot { border-color: var(--lms-brand-600); }
.lms-lp-item.is-quiz .lms-lp-dot { border-radius: 6px; }
.lms-lp-item-text { min-width: 0; }
.lms-lp-item-title { display: block; font-size: 14px; line-height: 1.35; font-weight: 600; }
.lms-lp-item.is-current .lms-lp-item-title { font-weight: 800; }
.lms-lp-item-meta { display: block; font-size: 12px; color: var(--lms-muted); margin-top: 2px; }

/* centre */
.lms-lp-main { padding: 24px 32px 48px; min-width: 0; }
.lms-lp-toolbar { display: none; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.lms-lp .lms-player { border-radius: var(--lms-r); border: 2px solid var(--lms-brand-500); }
.lms-lp-titlerow { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin: 20px 0 8px; }
.lms-ui .lms-lp-titlerow h1 { font-size: clamp(22px, 2.4vw, 26px); margin: 0; }
.lms-lp-savenote { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; color: var(--lms-brand-600); font: 800 14px var(--lms-font); cursor: pointer; padding: 8px 6px; white-space: nowrap; border-radius: var(--lms-r-sm); }
.lms-lp-savenote:hover { background: var(--lms-brand-50); }
.lms-lp-deeper { margin-top: 16px; border: 1px solid var(--lms-line); border-radius: var(--lms-r); background: #F8FAFC; }
.lms-lp-deeper summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 14px 18px; font-weight: 700; }
.lms-lp-deeper summary::-webkit-details-marker { display: none; }
.lms-lp-deeper summary .lms-chev { margin-left: auto; color: var(--lms-muted); transition: transform .2s; }
.lms-lp-deeper[open] summary .lms-chev { transform: rotate(180deg); }
.lms-lp-deeper summary .lms-ic:first-child { color: var(--lms-brand-600); }
.lms-ui .lms-lp-deeper p { padding: 0 18px 16px; margin: 0; font-size: 15px; }
.lms-lp-foot { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--lms-line); }

/* right */
.lms-lp-panel { position: sticky; top: 0; max-height: 100vh; overflow-y: auto; border-left: 1px solid var(--lms-line); padding: 20px 16px; background: #fff; }
.lms-lp-panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.lms-lp-panel-head b { font-family: var(--lms-font-head); font-size: 16px; }
.lms-lp-pane textarea { display: block; width: 100%; margin-top: 8px; padding: 12px; border: 1.5px solid var(--lms-line-2); border-radius: var(--lms-r-sm); font: 400 15px/1.5 var(--lms-font); resize: vertical; min-height: 160px; color: var(--lms-ink); }
.lms-lp-pane textarea:focus { outline: none; border-color: var(--lms-brand-500); box-shadow: 0 0 0 4px rgba(0,141,153,.15); }
.lms-ui .lms-lp-pane p { margin: 8px 0 0; }
.lms-lp-file { display: grid; gap: 4px; padding: 14px 16px; border-radius: var(--lms-r); background: #F1F4F8; }
.lms-lp-rail { position: sticky; top: 0; display: flex; flex-direction: column; gap: 6px; padding: 20px 8px; border-left: 1px solid var(--lms-line); align-self: stretch; background: #fff; }
.lms-lp-rail button { display: grid; justify-items: center; gap: 4px; width: 60px; padding: 10px 4px; border: 0; border-radius: var(--lms-r-sm); background: transparent; color: var(--lms-ink-2); font: 700 11px var(--lms-font); cursor: pointer; }
.lms-lp-rail button:hover { background: #F1F4F8; }
.lms-lp-rail button[aria-pressed="true"] { background: var(--lms-brand-50); color: var(--lms-brand-700); }
.lms-lp-scrim { display: none; }

/* below 1200px: the tools panel slides over the page */
@media (max-width: 1199.98px) {
  .lms-ui.lms-lp, .lms-lp.is-panel-closed { grid-template-columns: 280px minmax(0, 1fr) 0 76px; }
  .lms-lp.is-nav-closed, .lms-lp.is-nav-closed.is-panel-closed { grid-template-columns: 0 minmax(0, 1fr) 0 76px; }
  .lms-lp-panel { position: fixed; right: 76px; top: 0; bottom: 0; width: min(320px, 85vw); max-height: none; z-index: 1040; box-shadow: -12px 0 32px rgba(19,28,51,.12); }
}
/* below 1000px: course content becomes a drawer, tools sit under the lesson */
@media (max-width: 999.98px) {
  .lms-ui.lms-lp, .lms-lp.is-panel-closed, .lms-lp.is-nav-closed, .lms-lp.is-nav-closed.is-panel-closed { grid-template-columns: minmax(0, 1fr); }
  .lms-lp-toolbar { display: flex; }
  .lms-lp-nav, .lms-lp-main, .lms-lp-panel, .lms-lp-rail { grid-column: 1; grid-row: auto; }
  .lms-lp-main { padding: 16px 16px 24px; }
  .lms-lp-nav, .lms-lp.is-nav-closed .lms-lp-nav { display: none; position: fixed; left: 0; top: 0; bottom: 0; width: min(340px, 88vw); max-height: none; z-index: 1050; box-shadow: 12px 0 32px rgba(19,28,51,.18); }
  .lms-lp.is-nav-open .lms-lp-nav { display: block; }
  .lms-lp.is-nav-open .lms-lp-scrim { display: block; position: fixed; inset: 0; background: rgba(19,28,51,.5); z-index: 1045; }
  .lms-lp-main { order: 1; }
  .lms-lp-rail { order: 2; position: static; flex-direction: row; border-left: 0; border-top: 1px solid var(--lms-line); padding: 8px 16px; }
  .lms-lp-rail button { width: auto; grid-auto-flow: column; align-items: center; padding: 8px 12px; font-size: 13px; }
  .lms-lp-panel { position: static; width: auto; box-shadow: none; border-left: 0; border-top: 1px solid var(--lms-line); max-height: none; order: 3; }
  .lms-lp-titlerow { flex-wrap: wrap; }
}

.lms-lp.is-nav-closed .lms-lp-toolbar { display: flex; }

/* Lesson page scrollbars: thin and quiet; the sidebar and panel scroll on their own without dragging the page */
.lms-lp-nav, .lms-lp-panel { overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: transparent transparent; scrollbar-gutter: stable; }
.lms-lp-nav:hover, .lms-lp-panel:hover, .lms-lp-nav:focus-within, .lms-lp-panel:focus-within { scrollbar-color: #C3CBD8 transparent; }
.lms-lp-nav::-webkit-scrollbar, .lms-lp-panel::-webkit-scrollbar { width: 8px; }
.lms-lp-nav::-webkit-scrollbar-track, .lms-lp-panel::-webkit-scrollbar-track { background: transparent; }
.lms-lp-nav::-webkit-scrollbar-thumb, .lms-lp-panel::-webkit-scrollbar-thumb { background: transparent; border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
.lms-lp-nav:hover::-webkit-scrollbar-thumb, .lms-lp-panel:hover::-webkit-scrollbar-thumb { background-color: #C3CBD8; }
.lms-lp-nav::-webkit-scrollbar-thumb:hover, .lms-lp-panel::-webkit-scrollbar-thumb:hover { background-color: #9AA6BA; }
@media (hover: none) {
  .lms-lp-nav, .lms-lp-panel { scrollbar-color: #C3CBD8 transparent; }
  .lms-lp-nav::-webkit-scrollbar-thumb, .lms-lp-panel::-webkit-scrollbar-thumb { background-color: #C3CBD8; }
}
/* the sidebar fills the window height so it never shows a second, short scroll box */
@media (min-width: 1000px) {
  .lms-lp-nav { height: 100vh; }
}

/* Course list filters */
.lms-filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin-top: 24px; padding: 16px; background: #fff; border: 1px solid var(--lms-line); border-radius: var(--lms-r-lg); box-shadow: var(--lms-shadow-sm); }
.lms-search { position: relative; flex: 1 1 220px; min-width: 0; }
.lms-search .lms-ic { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--lms-muted); pointer-events: none; }
.lms-ui .lms-search input { width: 100%; min-height: 44px; padding: 10px 14px 10px 40px; border: 1.5px solid var(--lms-line-2); border-radius: var(--lms-r-sm); font: 500 15px var(--lms-font); color: var(--lms-ink); background: #fff; }
.lms-field { display: grid; gap: 4px; flex: 0 1 160px; min-width: 130px; }
.lms-ui .lms-field label { font-size: 12px; font-weight: 800; color: var(--lms-muted); margin: 0; }
.lms-ui .lms-field select { width: 100%; min-height: 44px; padding: 8px 36px 8px 12px; border: 1.5px solid var(--lms-line-2); border-radius: var(--lms-r-sm); font: 600 14px var(--lms-font); color: var(--lms-ink); cursor: pointer; appearance: none; -webkit-appearance: none;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6680' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") right 10px center / 18px no-repeat; }
.lms-ui .lms-search input:focus, .lms-ui .lms-field select:focus { outline: none; border-color: var(--lms-brand-500); box-shadow: 0 0 0 4px rgba(0,141,153,.15); }
.lms-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.lms-ui .lms-chip { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 4px 12px; border-radius: var(--lms-r-pill); background: var(--lms-ink); color: #fff; font-size: 13px; font-weight: 700; }
.lms-ui .lms-chip:hover { background: #222D4A; color: #fff; text-decoration: none; }
.lms-ui .lms-chip-clear { font-size: 13px; font-weight: 800; }
@media (max-width: 640px) {
  .lms-field { flex: 1 1 calc(50% - 6px); min-width: 0; }
  .lms-filters .lms-btn { flex: 1 1 100%; }
}