:root {
  --navy: #0C3354;
  --steel: #297496;
  --aqua: #62B6D0;
  --pale-blue: #BEEAF4;
  --green: #005F3F;
  --mint: #98D1B5;
  --pale-green: #B9E9C9;
  --gold: #E2A855;
  --amber: #D39B3A;
  --bright-gold: #FFB838;
  --soft-yellow: #FFD580;
  --ink: #173042;
  --muted: #587080;
  --paper: #F7FBFD;
  --white: #FFFFFF;
  --danger: #A63D40;
  --border: #D7E5EC;
  --shadow: 0 16px 40px rgba(12, 51, 84, 0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #F8FCFE 0%, #EFF7FA 100%);
  min-height: 100vh;
}

button, input, textarea { font: inherit; }

button { cursor: pointer; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 6px 20px rgba(12, 51, 84, 0.18);
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, var(--bright-gold), var(--gold));
  color: var(--navy);
}
.brand h1 { margin: 2px 0 0; font-size: clamp(1.1rem, 2vw, 1.45rem); }
.eyebrow {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--steel);
}
.site-header .eyebrow { color: var(--pale-blue); }

.header-actions { display: flex; gap: 10px; }

.app-shell {
  width: min(1400px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.view { display: none; }
.view.active { display: block; }

.hero {
  min-height: 72vh;
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 28px;
  align-items: stretch;
}
.hero-copy, .hero-panel, .progress-card, .metrics-card, .scenario-card, .side-card, .feedback-card, .report-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.hero-copy { padding: clamp(28px, 5vw, 62px); }
.hero-copy h2 {
  margin: 10px 0 18px;
  max-width: 900px;
  color: var(--navy);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
}
.hero-copy > p { max-width: 850px; font-size: 1.08rem; line-height: 1.7; }
.hero-panel {
  padding: 34px;
  color: var(--white);
  background: linear-gradient(160deg, var(--navy), var(--steel));
}
.hero-panel h3 { color: var(--soft-yellow); margin-top: 24px; }
.hero-panel p { line-height: 1.65; color: #F3FAFC; }
.hero-callout {
  margin: 24px 0;
  padding: 18px;
  border-left: 5px solid var(--bright-gold);
  border-radius: 12px;
  background: #FFF8E8;
  line-height: 1.55;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 180px;
  gap: 16px;
  margin: 24px 0 10px;
}
label { font-weight: 700; color: var(--navy); }
.field-group { display: flex; flex-direction: column; }
.field-error {
  min-height: 20px;
  margin-top: 6px;
  font-size: .84rem;
  font-weight: 700;
  color: #9A3412;
}
.form-note {
  margin: 0 0 22px;
  color: #496573;
  font-size: .94rem;
  line-height: 1.5;
}
input[aria-invalid="true"] {
  border-color: #B45309;
  background: #FFF9ED;
}
.seed-field .field-error { display: none; }
input, textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid #B8CBD5;
  border-radius: 12px;
  padding: 13px 14px;
  background: #FBFDFE;
  color: var(--ink);
}
input:focus, textarea:focus {
  outline: 3px solid rgba(98, 182, 208, 0.24);
  border-color: var(--steel);
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 800;
  transition: transform .15s ease, opacity .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-primary { color: var(--white); background: var(--green); box-shadow: 0 8px 20px rgba(0, 95, 63, .2); }
.btn-secondary { color: var(--navy); background: var(--pale-blue); }
.btn-end { color: var(--navy); background: var(--bright-gold); box-shadow: 0 8px 20px rgba(255, 184, 56, .22); }
.btn-ghost { color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.45); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hidden { display: none !important; }

.top-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
  margin-bottom: 20px;
}
.progress-card, .metrics-card { padding: 22px; }
.progress-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.progress-head h2 { margin: 4px 0 0; color: var(--navy); }
.decision-count {
  min-width: 84px;
  text-align: center;
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--navy);
  background: var(--soft-yellow);
  font-weight: 900;
}
.progress-track {
  height: 12px;
  margin: 18px 0 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #E7F0F4;
}
.progress-bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--steel), var(--green)); transition: width .3s ease; }
.phase-context { margin: 0; color: var(--muted); }

.metrics-card {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.metric {
  padding: 12px;
  border-radius: 14px;
  background: var(--paper);
  text-align: center;
}
.metric span { display: block; font-size: .74rem; color: var(--muted); }
.metric strong { display: block; margin-top: 5px; color: var(--navy); font-size: 1.08rem; }

.simulation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
}
.scenario-card { padding: clamp(22px, 4vw, 42px); }
.scenario-meta { display: flex; gap: 10px; flex-wrap: wrap; }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
  color: var(--white);
  background: var(--steel);
}
.tag-light { color: var(--navy); background: var(--pale-blue); }
.scenario-card h3 { margin: 18px 0 10px; color: var(--navy); font-size: clamp(1.5rem, 3vw, 2.25rem); }
.scenario-card > p { line-height: 1.7; font-size: 1.04rem; }

.stakeholder-strip { margin: 24px 0; padding: 18px; border-radius: 16px; background: #F5FAFC; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  padding: 8px 11px;
  border: 1px solid #B7D8E5;
  border-radius: 999px;
  color: var(--navy);
  background: var(--white);
  font-size: .82rem;
  font-weight: 700;
}

.choice-list { display: grid; gap: 12px; margin: 18px 0 24px; }
.choice {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px;
  border: 2px solid #D7E6ED;
  border-radius: 16px;
  background: var(--white);
  text-align: left;
}
.choice:hover { border-color: var(--aqua); background: #F7FCFE; }
.choice.selected { border-color: var(--green); background: #F0FBF6; }
.choice-letter {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--navy);
  font-weight: 900;
}
.choice strong { display: block; color: var(--navy); margin-bottom: 4px; }
.choice span { color: var(--muted); line-height: 1.45; }

.justification-box {
  position: relative;
  margin: 22px 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #FBFDFE;
}
.char-count { position: absolute; right: 26px; bottom: 24px; font-size: .78rem; color: var(--muted); }

.side-stack { display: grid; gap: 16px; align-content: start; }
.side-card { padding: 20px; }
.pulse-row, .risk-row, .principle-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #E8F0F3;
}
.pulse-row:last-child, .risk-row:last-child, .principle-row:last-child { border-bottom: 0; }
.pulse-label { font-size: .88rem; color: var(--ink); }
.pulse-value { font-weight: 900; color: var(--navy); }
.mini-track { grid-column: 1 / -1; height: 7px; border-radius: 999px; background: #E7F0F4; overflow: hidden; }
.mini-fill { height: 100%; background: var(--steel); }
.risk-high { color: var(--danger); }
.risk-medium { color: #9A6500; }
.risk-low { color: var(--green); }

.feedback-card { padding: clamp(26px, 5vw, 54px); }
.feedback-card h2 { color: var(--navy); font-size: clamp(1.8rem, 4vw, 3rem); }
.feedback-summary {
  margin: 20px 0;
  padding: 20px;
  border-radius: 16px;
  background: #F2F9FC;
  line-height: 1.65;
}
.feedback-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.feedback-grid section, .reflection-panel {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
}
.reflection-panel { margin: 22px 0; background: #FFF9EC; }

.debrief-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin-bottom: 20px;
  padding: clamp(26px, 5vw, 50px);
  border-radius: 22px;
  color: var(--white);
  background: linear-gradient(145deg, var(--navy), var(--steel));
}
.debrief-header .eyebrow { color: var(--pale-blue); }
.debrief-header h2 { margin: 8px 0; font-size: clamp(2rem, 5vw, 3.6rem); }
.score-orb {
  width: 180px;
  height: 180px;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  color: var(--navy);
  background: var(--soft-yellow);
  text-align: center;
}
.score-orb strong { font-size: 3.5rem; line-height: 1; }
.score-orb span, .score-orb small { font-weight: 800; }

.completion-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 18px;
}
.completion-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.completion-card span { display: block; color: var(--muted); font-size: .84rem; }
.completion-card strong { display: block; margin-top: 7px; color: var(--navy); font-size: 1.45rem; }
.performance-summary-card {
  margin-bottom: 18px;
  padding: 24px;
  border: 1px solid #C8E3D5;
  border-radius: 20px;
  background: linear-gradient(135deg, #F1FBF6, #F7FCFE);
  box-shadow: var(--shadow);
}
.performance-summary-card h3 { margin: 7px 0 10px; color: var(--navy); }
.performance-summary-card p { line-height: 1.65; }
.student-identity-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 18px 0;
  padding: 20px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.student-identity-card div { min-width: 0; }
.student-identity-card span {
  display: block;
  margin-bottom: 5px;
  color: #5B7480;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.student-identity-card strong {
  display: block;
  color: var(--navy);
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}
.debrief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.report-card { padding: 24px; }
.report-card.wide { grid-column: 1 / -1; }
.report-card h3 { margin-top: 0; color: var(--navy); }
.metric-table, .stakeholder-table, .principle-table { width: 100%; border-collapse: collapse; }
.metric-table td, .stakeholder-table td, .stakeholder-table th, .principle-table td, .principle-table th {
  padding: 10px;
  border-bottom: 1px solid #E5EEF2;
  text-align: left;
}
.timeline-item { padding: 14px 0; border-bottom: 1px solid #E5EEF2; }
.timeline-item:last-child { border-bottom: 0; }
.timeline-item strong { color: var(--navy); }
.badge-good, .badge-mid, .badge-poor {
  display: inline-block;
  min-width: 74px;
  text-align: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
}
.badge-good { color: var(--green); background: #E8F7EF; }
.badge-mid { color: #8A5A00; background: #FFF3D2; }
.badge-poor { color: var(--danger); background: #FCEBEC; }

.site-footer { padding: 22px; text-align: center; color: var(--muted); font-size: .86rem; }

@media (max-width: 1050px) {
  .hero, .top-grid, .simulation-grid { grid-template-columns: 1fr; }
  .metrics-card { grid-template-columns: repeat(4, 1fr); }
  .side-stack { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .site-header { align-items: flex-start; gap: 14px; }
  .header-actions { flex-direction: column; }
  .form-grid, .feedback-grid, .debrief-grid, .completion-overview, .student-identity-card { grid-template-columns: 1fr; }
  .report-card.wide { grid-column: auto; }
  .metrics-card { grid-template-columns: repeat(2, 1fr); }
  .side-stack { grid-template-columns: 1fr; }
  .debrief-header { grid-template-columns: 1fr; }
  .score-orb { width: 150px; height: 150px; }
}


@media print {
  .site-header, .site-footer, #welcomeView, #simulationView, #feedbackView,
  #downloadReportBtn, #printReportBtn, #playAgainBtn { display: none !important; }
  body { background: #FFFFFF; }
  .app-shell { width: 100%; padding: 0; }
  #debriefView { display: block !important; }
  .debrief-header, .report-card, .completion-card, .performance-summary-card, .student-identity-card {
    box-shadow: none;
    break-inside: avoid;
  }
  .debrief-header { color: #173042; background: #FFFFFF; border: 2px solid #0C3354; }
  .debrief-header .eyebrow { color: #297496; }
}