:root {
  color-scheme: light;
  --navy: #163a5f;
  --navy-dark: #0f2942;
  --orange: #ef4d16;
  --ink: #19212a;
  --muted: #657180;
  --line: #d6dee6;
  --panel: #ffffff;
  --wash: #f2f6f9;
  --blue-wash: #eaf1f7;
  --orange-wash: #fff2ec;
  --danger: #a1251b;
  --success: #166534;
  --shadow: 0 14px 40px rgba(22, 58, 95, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: linear-gradient(180deg, #f7fafc 0, #edf3f7 42rem, #f7fafc 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

.site-header {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 72rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 2.2rem;
}
.brand-logo { width: 100%; max-height: 7rem; object-fit: contain; }
.site-header > div { min-width: 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.15; }
h1 { margin: .2rem 0 .65rem; font-size: clamp(1.65rem, 4vw, 3rem); letter-spacing: -.035em; overflow-wrap: anywhere; }
h2 { margin: 0 0 .9rem; font-size: clamp(1.3rem, 2vw, 1.8rem); }
h3 { margin: 0; font-size: 1.05rem; }
p { margin: .55rem 0 1rem; }
.eyebrow, .label {
  color: var(--orange);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.subtitle { color: var(--muted); font-size: 1.05rem; }
.version-badge {
  display: inline-flex;
  margin: .15rem 0 0;
  border: 1px solid #c8d7e4;
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: var(--navy);
  font-size: .76rem;
  font-weight: 750;
  padding: .28rem .62rem;
}
main { width: min(72rem, calc(100% - 2rem)); margin: 0 auto 4rem; }
.panel {
  min-width: 0;
  margin-bottom: 1.15rem;
  overflow-wrap: anywhere;
  border: 1px solid rgba(128, 151, 173, .25);
  border-radius: 1.1rem;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: clamp(1.2rem, 3vw, 2rem);
}
.status-panel { border-top: .35rem solid var(--orange); }
#identity { display: flex; justify-content: space-between; gap: 1.5rem; align-items: flex-start; }
#participant-name, #participant-role { display: block; }
#participant-name { color: var(--navy); font-size: 1.35rem; }
.course-facts { display: grid; gap: .25rem; color: var(--muted); font-size: .92rem; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.hidden { display: none !important; }

button, select {
  font: inherit;
}
button {
  border: 0;
  border-radius: .75rem;
  cursor: pointer;
  font-weight: 750;
  padding: .8rem 1.1rem;
  transition: transform .16s ease, background .16s ease, opacity .16s ease;
}
button:hover:not(:disabled) { transform: translateY(-1px); }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 3px solid rgba(239, 77, 22, .3);
  outline-offset: 2px;
}
button:disabled { cursor: not-allowed; opacity: .52; }
.primary { background: var(--orange); color: #fff; }
.secondary { border: 1px solid #c8d7e4; background: var(--blue-wash); color: var(--navy); }

.sticky-progress { position: sticky; z-index: 10; top: .6rem; padding: 1rem 1.25rem; }
.progress-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.progress-heading > div { min-width: 0; }
.progress-heading strong { display: block; color: var(--navy); }
.progress-track { height: .65rem; overflow: hidden; margin-top: .75rem; border-radius: 999px; background: #e6ebef; }
#progress-bar { width: 0; height: 100%; background: linear-gradient(90deg, var(--orange), #ff8b4d); transition: width .25s ease; }
.time-pill { border-radius: 999px; background: var(--blue-wash); color: var(--navy); font-size: .85rem; font-weight: 700; padding: .35rem .7rem; white-space: nowrap; }

.intro { background: linear-gradient(135deg, var(--navy-dark), var(--navy)); color: #fff; }
.intro h2, .intro .eyebrow { color: #fff; }
.callout { border-left: .3rem solid var(--orange); border-radius: .35rem; background: rgba(255, 255, 255, .1); padding: .85rem 1rem; }

.stage-panel { border-top: .35rem solid var(--navy); transition: opacity .2s ease, border-color .2s ease; }
.stage-panel.completed { border-top-color: var(--success); }
.stage-panel.locked, .completion-panel.locked { background: #f7f9fb; }
.stage-heading { display: flex; justify-content: space-between; gap: 1.5rem; align-items: flex-start; }
.stage-heading > div { max-width: 50rem; }
.stage-badge {
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--blue-wash);
  color: var(--navy);
  font-size: .78rem;
  font-weight: 800;
  padding: .42rem .72rem;
  white-space: nowrap;
}
.presentation-shell {
  overflow: hidden;
  margin: 1.2rem 0 .85rem;
  border: 1px solid #c9d5df;
  border-radius: .95rem;
  background: var(--navy-dark);
  box-shadow: 0 18px 40px rgba(15, 41, 66, .16);
}
.presentation-shell iframe {
  display: block;
  width: 100%;
  height: min(46rem, 80vh);
  min-height: 38rem;
  border: 0;
  background: #fff;
}
.support-materials { margin-top: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--wash); padding: .8rem 1rem; }
.support-materials summary { cursor: pointer; color: var(--navy); font-weight: 800; }
.support-links { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1rem 0; }
.support-links a { border: 1px solid #cbd9e5; border-radius: 999px; background: #fff; color: var(--navy); font-size: .82rem; font-weight: 750; padding: .42rem .75rem; text-decoration: none; }
.support-links a:hover { border-color: var(--orange); color: var(--orange); }
.scope-note { border-left: .28rem solid var(--orange); border-radius: .35rem; background: var(--orange-wash); padding: .85rem 1rem; font-size: .9rem; }

.lock-box { display: grid; gap: .2rem; margin-top: 1rem; border: 1px dashed #b7c5d1; border-radius: .8rem; background: #edf2f5; color: var(--muted); padding: 1rem; }
.lock-box strong { color: var(--navy); }
.practice-list { display: grid; gap: 1rem; margin-top: 1.2rem; }
.practice-card { border: 1px solid var(--line); border-radius: .9rem; background: #fff; padding: 1rem; }
.practice-card.reviewed { border-color: #b9dec8; background: #fbfffc; }
.practice-card-heading { display: grid; grid-template-columns: 2.35rem 1fr; gap: .8rem; align-items: start; }
.practice-card-heading p { margin: 0 0 .25rem; color: var(--orange); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.practice-number { display: grid; place-items: center; width: 2.35rem; height: 2.35rem; border-radius: .7rem; background: var(--orange-wash); color: var(--orange); font-weight: 900; }
.choice-list { display: grid; gap: .45rem; margin: 1rem 0; }
.choice-list label { border-radius: .55rem; background: var(--wash); padding: .65rem .75rem; }
.choice-list label:hover { background: var(--blue-wash); }
.choice-list input { margin-right: .5rem; }
.instruction { color: var(--muted); font-size: .84rem; }
.ordered-fields, .matching-fields { display: grid; gap: .65rem; margin: 1rem 0; }
.ordered-fields label { display: grid; grid-template-columns: 2rem 1fr; gap: .5rem; align-items: center; }
.ordered-fields span { color: var(--navy); font-weight: 850; }
.matching-fields label { display: grid; grid-template-columns: minmax(10rem, .8fr) minmax(12rem, 1.2fr); gap: .75rem; align-items: center; }
select { width: 100%; min-width: 0; border: 1px solid #c7d3dd; border-radius: .55rem; background: #fff; color: var(--ink); padding: .62rem .7rem; }
.practice-feedback { line-height: 1.45; }
.practice-feedback.practice-correction { background: #fff7ed; color: #7c2d12; }

#quiz-form fieldset { min-width: 0; margin: 1rem 0; border: 1px solid var(--line); border-radius: .8rem; padding: 1rem; }
#quiz-form legend { color: var(--navy); font-weight: 750; padding: 0 .35rem; }
#quiz-form label { display: block; margin: .6rem 0; border-radius: .5rem; padding: .6rem .65rem; }
#quiz-form label:hover { background: var(--wash); }
#quiz-form input { margin-right: .55rem; }
.result-box { margin-top: 1rem; border-radius: .7rem; background: var(--blue-wash); color: var(--navy); padding: .9rem 1rem; }
.result-box.success { background: #dcfce7; color: var(--success); }
.result-box.error { background: #fee2e2; color: var(--danger); }
.acknowledgment { display: block; margin: 1rem 0; border-radius: .8rem; background: var(--wash); padding: 1rem; }
.acknowledgment input { margin-right: .55rem; }
.error-box { border-radius: .8rem; background: #fff0ef; color: var(--danger); padding: 1rem; }
.identity-check { display: flex; gap: .55rem; align-items: flex-start; margin: 1rem 0; border-radius: .75rem; background: var(--wash); padding: .9rem 1rem; }
.identity-check input { flex: 0 0 auto; margin-top: .3rem; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; padding: 2rem 1rem 3rem; text-align: center; }

input { min-width: 0; border: 1px solid #c7d3dd; border-radius: .55rem; background: #fff; color: var(--ink); font: inherit; padding: .62rem .7rem; }
.admin-main { width: min(92rem, calc(100% - 2rem)); }
.admin-login { max-width: 58rem; margin-inline: auto; }
.admin-form-row { display: grid; grid-template-columns: minmax(14rem, 1fr) minmax(16rem, 1fr) auto; gap: .9rem; align-items: end; }
.admin-form-row label { display: grid; gap: .3rem; color: var(--navy); font-size: .86rem; font-weight: 750; }
.admin-course-heading, .admin-table-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.admin-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1.15rem; }
.admin-metrics article { display: grid; gap: .2rem; border: 1px solid rgba(128, 151, 173, .25); border-radius: 1rem; background: #fff; box-shadow: var(--shadow); padding: 1rem 1.2rem; }
.admin-metrics span { color: var(--muted); font-size: .82rem; font-weight: 750; }
.admin-metrics strong { color: var(--navy); font-size: 2rem; }
.admin-actions { display: grid; gap: 1rem; }
.action-buttons { display: flex; flex-wrap: wrap; gap: .65rem; }
.admin-table-heading label { display: grid; gap: .25rem; color: var(--muted); font-size: .8rem; }
.table-scroll { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.admin-table th, .admin-table td { min-width: 7rem; border-bottom: 1px solid var(--line); padding: .7rem .55rem; text-align: left; vertical-align: top; }
.admin-table th { color: var(--navy); background: var(--wash); white-space: nowrap; }
.admin-table td:first-child { min-width: 13rem; }
.admin-table td:nth-child(3) { min-width: 11rem; }
.admin-table small { display: block; margin-top: .2rem; color: var(--muted); }
.state-badge { display: inline-flex; border-radius: 999px; padding: .25rem .5rem; font-size: .72rem; font-weight: 800; white-space: nowrap; }
.state-invited { background: #eef2f6; color: #52606d; }
.state-accessed, .state-in_progress, .state-activity_pending { background: #e0f2fe; color: #075985; }
.state-closing_pending { background: #ede9fe; color: #5b21b6; }
.state-completed { background: #fef3c7; color: #92400e; }
.state-signed { background: #dcfce7; color: #166534; }
.state-revoked { background: #fee2e2; color: #991b1b; }
.signature-toggle { padding: .45rem .6rem; font-size: .72rem; }
.learning-analytics-panel { display: grid; gap: 1rem; }
.analytics-summary { display: grid; grid-template-columns: repeat(3, minmax(9rem, 1fr)); gap: .65rem; }
.analytics-summary article { display: grid; gap: .15rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--wash); padding: .75rem .9rem; }
.analytics-summary span { color: var(--muted); font-size: .72rem; font-weight: 750; }
.analytics-summary strong { color: var(--navy); font-size: 1.2rem; }
.analytics-levels { margin: 0; border-left: .25rem solid var(--orange); padding: .65rem .8rem; background: #fff7ed; color: #7c2d12; font-weight: 750; }
.analytics-grids { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: 1rem; }
.analytics-grids h3 { margin: 0 0 .55rem; color: var(--navy); font-size: 1rem; }
.report-history { display: grid; gap: .6rem; }
.report-history article { display: grid; gap: .12rem; border-left: .25rem solid var(--navy); background: var(--wash); padding: .7rem .9rem; }
.report-history span, .report-history small { color: var(--muted); overflow-wrap: anywhere; }
.print-sheet { display: none; }

@media (max-width: 720px) {
  .site-header { grid-template-columns: 5rem 1fr; gap: 1rem; padding-top: 1.4rem; }
  #identity { display: grid; }
  .sticky-progress { top: .25rem; }
  .progress-heading { display: grid; grid-template-columns: 1fr; gap: .55rem; align-items: flex-start; }
  .time-pill { justify-self: start; }
  .stage-heading { display: grid; }
  .stage-badge { justify-self: start; }
  .presentation-shell { margin-inline: -.65rem; border-radius: .7rem; }
  .presentation-shell iframe { height: 75vh; min-height: 32rem; }
  .matching-fields label { grid-template-columns: 1fr; gap: .35rem; }
  .support-links { display: grid; }
  .admin-form-row, .admin-metrics, .analytics-summary, .analytics-grids { grid-template-columns: 1fr; }
  .admin-course-heading, .admin-table-heading { display: grid; }
}

@media print {
  @page { size: A4 landscape; margin: 8mm; }
  .admin-page .admin-only { display: none !important; }
  .admin-page .print-sheet { display: block !important; color: #111; font-family: Arial, sans-serif; font-size: 8pt; }
  .print-sheet header { display: grid; grid-template-columns: 32mm 1fr; gap: 6mm; align-items: center; border-bottom: 2px solid #163a5f; padding-bottom: 3mm; }
  .print-sheet header img { width: 30mm; max-height: 18mm; object-fit: contain; }
  .print-sheet h1 { margin: 0; color: #163a5f; font-size: 16pt; }
  .print-sheet header p { margin: 1mm 0 0; font-size: 10pt; }
  .print-sheet dl { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5mm 6mm; margin: 3mm 0; }
  .print-sheet dl div { display: grid; grid-template-columns: 34mm 1fr; }
  .print-sheet dl .wide { grid-column: 1 / -1; }
  .print-sheet dt { font-weight: 700; }
  .print-sheet dd { margin: 0; }
  .print-sheet table { width: 100%; border-collapse: collapse; font-size: 6.6pt; }
  .print-sheet th, .print-sheet td { border: .25mm solid #555; padding: 1.2mm; vertical-align: middle; }
  .print-sheet th { background: #eaf1f7; }
  .print-sheet .signature-cell { min-width: 30mm; height: 8mm; }
  .signature-lines { display: grid; grid-template-columns: 1fr 1fr; gap: 24mm; margin: 12mm 15mm 4mm; }
  .signature-lines div { display: grid; text-align: center; }
  .signature-lines span { border-top: .25mm solid #111; }
  .signature-lines small { color: #333; }
  .print-sheet footer { display: grid; grid-template-columns: 1fr 1fr; gap: 2mm 6mm; margin-top: 3mm; border-top: .2mm solid #aaa; padding-top: 2mm; font-size: 6pt; overflow-wrap: anywhere; }
  .print-sheet footer span:last-child { grid-column: 1 / -1; }
  body:not(.admin-page) { background: #fff; }
  body:not(.admin-page) .sticky-progress, body:not(.admin-page) button, body:not(.admin-page) #privacy-panel, body:not(.admin-page) #quiz-panel, body:not(.admin-page) .completion-panel, body:not(.admin-page) .presentation-shell { display: none !important; }
  body:not(.admin-page) .panel { box-shadow: none; break-inside: avoid; }
}