:root {
  --navy: #0C3354;
  --teal: #297496;
  --cyan: #BEEAF4;
  --green: #005F3F;
  --gold: #E2A855;
  --ink: #173042;
  --muted: #5f7280;
  --line: #d7e2e8;
  --paper: #ffffff;
  --wash: #f5f9fb;
  --shadow: 0 12px 34px rgba(12, 51, 84, 0.09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--wash);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: linear-gradient(180deg, #f9fcfd 0%, #eef6f8 100%); }
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.48; }
.topbar {
  background: var(--navy); color: white; padding: 14px 26px; display: flex; gap: 20px; align-items: center;
  justify-content: space-between; position: sticky; top: 0; z-index: 20; box-shadow: 0 3px 12px rgba(12,51,84,.22);
}
.brand-title { font-size: 17px; font-weight: 750; letter-spacing: .01em; }
.brand-case { font-size: 13px; color: var(--cyan); margin-top: 2px; }
.status-strip { display: flex; gap: 22px; align-items: center; font-size: 13px; }
.status-strip strong { display: block; font-size: 15px; color: white; }
.app-shell { min-height: calc(100vh - 66px); }
.landing { max-width: 1120px; margin: 0 auto; padding: 72px 28px; }
.hero { background: var(--paper); border-radius: 24px; padding: 52px; box-shadow: var(--shadow); border: 1px solid #e3edf2; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; width: 340px; height: 340px; border-radius: 50%; background: var(--cyan); right: -150px; top: -170px; opacity: .46; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 800; color: var(--teal); }
h1 { color: var(--navy); font-size: clamp(34px, 5vw, 54px); line-height: 1.03; margin: 12px 0 16px; max-width: 800px; }
.lede { max-width: 760px; color: var(--muted); font-size: 18px; line-height: 1.65; }
.hero-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 34px 0; position: relative; z-index: 2; }
.hero-stat { border: 1px solid var(--line); border-radius: 14px; padding: 17px; background: #fbfdfe; }
.hero-stat b { color: var(--navy); font-size: 20px; display: block; margin-bottom: 3px; }
.primary, .secondary, .tool-button, .option-button, .nav-button {
  border: 0; border-radius: 10px; padding: 11px 16px; font-weight: 700; transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.primary { background: var(--teal); color: white; box-shadow: 0 6px 16px rgba(41,116,150,.2); }
.primary:hover:not(:disabled) { transform: translateY(-1px); background: #226887; }
.secondary { background: white; color: var(--navy); border: 1px solid #adc3cf; }
.secondary:hover:not(:disabled) { background: #f3f8fa; }
.workspace { display: grid; grid-template-columns: 238px minmax(0,1fr); min-height: calc(100vh - 66px); }
.sidebar { background: #f8fbfc; border-right: 1px solid var(--line); padding: 22px 14px; }
.nav-button { width: 100%; text-align: left; margin-bottom: 5px; color: #405865; background: transparent; }
.nav-button.active { background: var(--cyan); color: var(--navy); }
.nav-button:hover { background: #e8f4f7; }
.sidebar-note { margin-top: 28px; padding: 14px; border-radius: 12px; background: white; border: 1px solid var(--line); font-size: 12px; line-height: 1.5; color: var(--muted); }
.content { padding: 28px; max-width: 1440px; width: 100%; margin: 0 auto; overflow: hidden; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-bottom: 22px; }
.page-head h2 { color: var(--navy); margin: 0 0 5px; font-size: 28px; }
.page-head p { margin: 0; color: var(--muted); line-height: 1.5; }
.grid { display: grid; gap: 16px; }
.metrics { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.metric { background: white; border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: 0 3px 12px rgba(12,51,84,.035); min-width: 0; }
.metric .label { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .055em; }
.metric .value { color: var(--navy); font-size: 25px; font-weight: 800; margin-top: 7px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.panel { background: white; border: 1px solid var(--line); border-radius: 16px; padding: 20px; box-shadow: 0 3px 14px rgba(12,51,84,.035); }
.panel h3 { margin: 0 0 12px; color: var(--navy); font-size: 18px; }
.two-col { grid-template-columns: minmax(0, 1.5fr) minmax(320px, .8fr); margin-top: 16px; }
.feed-item { padding: 13px 0; border-bottom: 1px solid #edf2f4; }
.feed-item:last-child { border-bottom: 0; }
.feed-meta { font-size: 11px; color: var(--teal); font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.feed-text { margin-top: 4px; line-height: 1.5; }
.empty { color: var(--muted); padding: 12px 0; line-height: 1.55; }
.decision-card { background: white; border: 1px solid var(--line); border-left: 5px solid var(--gold); border-radius: 16px; padding: 22px; margin-bottom: 18px; box-shadow: var(--shadow); }
.decision-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.chip { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 9px; font-size: 11px; font-weight: 800; background: #edf6f8; color: var(--teal); }
.chip.gold { background: #fff4dc; color: #805e18; }
.decision-card h3 { color: var(--navy); margin: 0 0 8px; font-size: 21px; }
.decision-card p { color: #405865; line-height: 1.55; }
.uncertainty { border-left: 3px solid var(--teal); padding: 10px 13px; background: #f6fbfc; border-radius: 0 8px 8px 0; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 10px; margin: 15px 0; }
.tool-card { border: 1px solid var(--line); background: #fbfdfe; border-radius: 12px; padding: 13px; }
.tool-card strong { color: var(--navy); display: block; }
.tool-card small { color: var(--muted); line-height: 1.4; display: block; min-height: 36px; margin: 5px 0 8px; }
.tool-cost { font-size: 11px; color: var(--teal); margin-bottom: 8px; }
.tool-button { padding: 8px 10px; width: 100%; background: var(--teal); color: white; font-size: 12px; }
.options { display: grid; gap: 10px; margin-top: 14px; }
.option { border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.option strong { color: var(--navy); }
.option p { margin: 3px 0 0; font-size: 13px; }
.option-button { background: var(--green); color: white; flex: 0 0 auto; }
.option-button:hover:not(:disabled) { background: #004b32; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: white; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { background: #eef6f8; color: var(--navy); text-align: left; padding: 11px 12px; font-size: 11px; text-transform: uppercase; letter-spacing: .045em; }
td { padding: 12px; border-top: 1px solid var(--line); vertical-align: top; }
.status-pill { display: inline-block; border-radius: 999px; padding: 4px 8px; font-size: 11px; font-weight: 800; background: #edf6f8; color: var(--teal); }
.status-pill.opportunity { background: #e8f4ee; color: var(--green); }
.resource-bar { height: 9px; background: #e8eef1; border-radius: 999px; overflow: hidden; margin-top: 7px; }
.resource-bar > span { height: 100%; display: block; background: var(--teal); border-radius: inherit; }
.resource-bar.gold > span { background: var(--gold); }
.resource-bar.green > span { background: var(--green); }
.tool-output { border: 1px solid var(--line); border-radius: 14px; background: white; margin-bottom: 14px; overflow: hidden; }
.tool-output-head { padding: 13px 16px; background: #eef6f8; display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.tool-output-body { padding: 16px; }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: 10px; }
.summary-cell { background: #f8fbfc; border-radius: 10px; padding: 12px; }
.summary-cell b { display:block; color: var(--navy); font-size: 18px; }
.summary-cell span { color: var(--muted); font-size: 11px; }
.histogram { display: flex; height: 92px; gap: 2px; align-items: end; margin-top: 12px; border-bottom: 1px solid var(--line); }
.hist-bar { background: var(--teal); flex: 1; min-width: 3px; opacity: .82; border-radius: 2px 2px 0 0; }
.notice { border-radius: 12px; padding: 12px 14px; background: #fff5df; border: 1px solid #ecd09a; color: #694d15; margin-bottom: 15px; }
.toast { position: fixed; bottom: 22px; right: 22px; max-width: 420px; padding: 13px 16px; border-radius: 12px; background: var(--navy); color: white; box-shadow: var(--shadow); z-index: 50; }
.toast.error { background: #6d5120; }
.debrief-grid { grid-template-columns: repeat(3, 1fr); }
.footer { padding: 20px 28px 34px; text-align: center; color: var(--muted); font-size: 12px; }
@media (max-width: 1080px) {
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .topbar { position: static; align-items: flex-start; padding: 14px 16px; }
  .status-strip { display: none; }
  .workspace { grid-template-columns: 1fr; }
  .sidebar { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 8px; position: sticky; top: 0; z-index: 15; }
  .nav-button { width: auto; white-space: nowrap; margin: 0 4px 0 0; }
  .sidebar-note { display: none; }
  .content { padding: 18px 14px; }
  .page-head { flex-direction: column; }
  .metrics, .debrief-grid { grid-template-columns: 1fr; }
  .hero { padding: 30px 24px; }
  .landing { padding: 30px 14px; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .option { align-items: flex-start; flex-direction: column; }
  .option-button { width: 100%; }
}

/* Milestone 14 persistent application shell */
.loading-screen { min-height: 100vh; display: grid; place-items: center; color: var(--navy); font-weight: 750; }
.auth-hero { max-width: 720px; margin: 0 auto; }
.auth-form, .stack-form { display: grid; gap: 14px; max-width: 520px; position: relative; z-index: 2; }
.auth-form label, .stack-form label { display: grid; gap: 6px; font-size: 13px; font-weight: 750; color: var(--navy); }
.auth-form input, .stack-form input, .stack-form select, .inline-form input { width: 100%; border: 1px solid #b8ccd6; border-radius: 9px; padding: 11px 12px; background: white; color: var(--ink); }
.demo-box { margin-top: 22px; background: #f7fbfc; border: 1px solid var(--line); border-radius: 12px; padding: 14px; color: var(--muted); font-size: 13px; line-height: 1.5; position: relative; z-index: 2; }
.demo-box code { color: var(--navy); font-weight: 800; }
.home-top { background: var(--navy); color: white; padding: 14px 26px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.account-block { display: flex; gap: 9px; align-items: center; font-size: 13px; }
.role-badge { background: var(--cyan); color: var(--navy); border-radius: 999px; padding: 4px 8px; font-weight: 800; text-transform: capitalize; }
.secondary.small { padding: 7px 10px; font-size: 12px; }
.home-landing { padding-top: 34px; }
.home-hero { margin-bottom: 18px; }
.home-panel { margin-top: 18px; }
.attempt-list { display: grid; gap: 10px; }
.attempt-card { display: flex; justify-content: space-between; align-items: center; gap: 16px; border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.attempt-card strong, .attempt-card span, .attempt-card small { display: block; }
.attempt-card span { color: var(--muted); margin-top: 3px; }
.attempt-card small { color: var(--teal); margin-top: 3px; }
.inline-form { display: flex; gap: 9px; max-width: 520px; margin-bottom: 16px; }
.compact-grid { align-items: start; }
.mini-action { border: 1px solid #a7c6d4; background: #f5fafb; color: var(--navy); border-radius: 8px; padding: 6px 9px; font-weight: 700; margin: 2px; }
.top-link { background: transparent; border: 1px solid rgba(255,255,255,.35); color: white; border-radius: 8px; padding: 7px 10px; font-weight: 700; }
@media (max-width: 760px) { .home-top { align-items: flex-start; flex-direction: column; } .account-block { flex-wrap: wrap; } .inline-form { flex-direction: column; } }

/* Milestone 15 instructor analytics */
.analytics-page { max-width: 1560px; }
.analytics-metrics { grid-template-columns: repeat(6, minmax(0,1fr)); }
.analytics-section { margin-top: 18px; }
.assignment-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 3px 0; }
.assignment-row span { min-width: 0; }
.distribution-list { display: grid; gap: 10px; }
.distribution-row { display: grid; grid-template-columns: 90px 1fr 32px; align-items: center; gap: 10px; font-size: 12px; }
.distribution-track { height: 10px; background: #e7eef2; border-radius: 999px; overflow: hidden; }
.distribution-track b { display: block; height: 100%; background: var(--teal); border-radius: inherit; min-width: 0; }
.phase-list { display: grid; gap: 12px; }
.phase-row { display: grid; grid-template-columns: minmax(170px,1fr) minmax(180px,.9fr); gap: 16px; align-items: center; padding: 9px 0; border-bottom: 1px solid #edf2f4; }
.phase-row:last-child { border-bottom: 0; }
.phase-row strong, .phase-row small { display: block; }
.phase-row small { color: var(--muted); margin-top: 2px; }
.phase-score { min-width: 0; }
.score-line { height: 8px; background: #e7eef2; border-radius: 999px; overflow: hidden; }
.score-line span { display: block; height: 100%; background: var(--teal); border-radius: inherit; }
.phase-score small { text-align: right; color: var(--muted); margin-top: 3px; }
.muted { color: var(--muted); }
.instructor-only { margin-top: 14px; background: #fff5df; }
.instructor-class-table .mini-action { white-space: nowrap; }
@media (max-width: 1240px) { .analytics-metrics { grid-template-columns: repeat(3,minmax(0,1fr)); } }
@media (max-width: 760px) { .analytics-metrics { grid-template-columns: 1fr; } .phase-row { grid-template-columns: 1fr; } .assignment-row { align-items: flex-start; flex-direction: column; } }

/* Milestone 16 beta-readiness and accessibility */
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 1000; background: white; color: var(--navy); border: 2px solid var(--navy); border-radius: 8px; padding: 10px 14px; font-weight: 800; text-decoration: none; }
.skip-link:focus { top: 12px; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.assignment-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.attempt-limit-form { display: inline-flex; gap: 6px; align-items: center; }
.attempt-limit-form input { width: 76px; border: 1px solid #b8ccd6; border-radius: 8px; padding: 6px 8px; }
.assignment-row small { display: block; color: var(--muted); margin-top: 3px; }
.download-link { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; white-space: nowrap; }
.chart-grid-layout { align-items: stretch; }
.chart-wrap { width: 100%; overflow-x: auto; }
.line-chart { width: 100%; min-width: 520px; height: auto; display: block; }
.chart-grid { stroke: #dbe6eb; stroke-width: 1; }
.chart-axis-line { stroke: #8aa7b5; stroke-width: 1.2; }
.chart-axis { fill: #5f747e; font-size: 11px; }
.chart-line { stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.series-1 { stroke: var(--teal); background: var(--teal); }
.series-2 { stroke: var(--green); background: var(--green); }
.series-3 { stroke: var(--gold); background: var(--gold); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.chart-legend span { display: inline-flex; gap: 6px; align-items: center; }
.legend-swatch { width: 18px; height: 4px; border-radius: 999px; display: inline-block; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
@media (max-width: 760px) { .assignment-actions, .attempt-limit-form { width: 100%; justify-content: flex-start; } .download-link { width: 100%; } }

/* Milestone 27 student journey and beta usability */
.journey-panel { background: white; border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; margin-bottom: 16px; box-shadow: 0 7px 22px rgba(12,51,84,.04); }
.journey-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-end; margin-bottom: 14px; }
.journey-head strong { display: block; color: var(--navy); font-size: 18px; }
.journey-month { color: var(--teal); font-size: 12px; font-weight: 800; }
.journey-strip { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 7px; padding: 0; margin: 0; list-style: none; }
.journey-step { position: relative; min-width: 0; padding: 11px 8px 10px 14px; border-top: 4px solid #d9e5ea; background: #f8fbfc; border-radius: 8px; }
.journey-step strong, .journey-step small { display: block; }
.journey-step strong { color: var(--navy); font-size: 11px; line-height: 1.25; }
.journey-step small { color: var(--muted); font-size: 9px; margin-top: 4px; }
.journey-step.complete { border-top-color: var(--green); background: #f1f8f4; }
.journey-step.current { border-top-color: var(--gold); background: #fff8e9; box-shadow: inset 0 0 0 1px #efd29c; }
.journey-step.future { opacity: .78; }
.journey-step.future:last-child { border-style: dashed; border-width: 1px; border-top-width: 4px; }
.risk-profile-panel, .response-panel { margin-top: 16px; }
.section-heading { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 12px; }
.section-heading h3 { margin: 2px 0 0; }
.section-copy { color: var(--muted); font-size: 12px; margin-top: -4px; }
.profile-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 11px; }
.profile-item { border: 1px solid #dce8ed; background: #f9fbfc; border-radius: 12px; padding: 13px; }
.profile-item > span, .profile-item > strong, .profile-item > small { display: block; }
.profile-item > span { text-transform: uppercase; font-size: 9px; letter-spacing: .06em; font-weight: 800; color: var(--muted); }
.profile-item > strong { color: var(--navy); font-size: 20px; margin: 5px 0 8px; }
.profile-item > small { color: var(--muted); margin-top: 7px; line-height: 1.35; }
.profile-status { display: inline-block; border-radius: 999px; padding: 4px 8px; font-style: normal; font-size: 10px; font-weight: 800; text-transform: capitalize; }
.profile-status.good { background: #e8f4ee; color: var(--green); }
.profile-status.watch { background: #fff2d7; color: #785619; }
.profile-status.alert { background: #f8e8e4; color: #803b2f; }
.profile-status.neutral { background: #edf4f7; color: var(--teal); }
.priority-card { border-bottom: 1px solid var(--line); padding: 11px 0 13px; }
.priority-card:last-of-type { border-bottom: 0; }
.priority-action { margin-top: 9px; }
.decision-resource-summary { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.decision-resource-summary span { background: #edf6f8; color: var(--navy); border-radius: 999px; padding: 7px 10px; font-size: 11px; font-weight: 750; }
.decision-workflow { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 16px; }
.workflow-step { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: white; display: flex; align-items: center; gap: 10px; }
.workflow-step b { display: grid; place-items: center; min-width: 28px; height: 28px; border-radius: 50%; background: var(--cyan); color: var(--navy); }
.workflow-step strong, .workflow-step small { display: block; }
.workflow-step strong { color: var(--navy); font-size: 12px; }
.workflow-step small { color: var(--muted); font-size: 10px; margin-top: 2px; }
.executive-decision-label { display: inline-block; background: var(--gold); color: var(--navy); padding: 6px 9px; border-radius: 8px; font-size: 10px; font-weight: 900; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.launch-decision { border: 2px solid #e6bd72; }
.decision-section-head { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; margin: 19px 0 9px; }
.decision-section-head h4 { margin: 0; }
.decision-section-head p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.tool-card.tool-complete { background: #f1f8f4; border-color: #b8d8c8; }
.requirement-note { margin-top: 7px; color: #775514; background: #fff4dd; border-radius: 8px; padding: 7px 9px; font-size: 11px; }
.register-metrics { grid-template-columns: repeat(4,minmax(0,1fr)); margin-bottom: 12px; }
.register-controls { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin: 12px 0; border: 1px solid var(--line); background: white; border-radius: 12px; padding: 10px 12px; }
.register-controls label { display: grid; gap: 5px; color: var(--navy); font-size: 11px; font-weight: 800; }
.register-controls select { min-width: 260px; border: 1px solid #b8ccd6; border-radius: 8px; padding: 8px 10px; background: white; }
.register-controls > span { color: var(--muted); font-size: 11px; }
.register-date { display: block; color: var(--muted); margin-top: 5px; }
.analysis-metrics { grid-template-columns: repeat(3,minmax(0,1fr)); margin-bottom: 12px; }
.metric .small-value { font-size: 17px; line-height: 1.15; }
.analytics-notice { background: #eef7fa; border-color: #c0dce6; color: #345663; }
.response-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap: 10px; }
.response-card { border: 1px solid var(--line); border-radius: 12px; padding: 13px; background: #fafcfd; }
.response-head, .response-foot { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.response-head strong { color: var(--navy); text-transform: capitalize; }
.response-card > small { color: var(--muted); display: block; margin: 5px 0 10px; }
.response-progress { height: 9px; border-radius: 999px; background: #e3ecef; overflow: hidden; }
.response-progress span { height: 100%; display: block; background: var(--teal); border-radius: inherit; }
.response-foot { margin-top: 7px; color: var(--muted); font-size: 10px; }
.decision-history-list { display: grid; gap: 10px; }
.history-card { display: grid; grid-template-columns: 42px 1fr; gap: 12px; border: 1px solid var(--line); border-radius: 13px; background: white; padding: 13px; }
.history-sequence { width: 34px; height: 34px; display: grid; place-items: center; background: var(--navy); color: white; border-radius: 50%; font-weight: 800; }
.history-meta { font-size: 10px; font-weight: 800; color: var(--teal); text-transform: uppercase; }
.history-body h3 { margin: 2px 0 6px; }
.history-body p { margin: 0 0 8px; }
.history-body small { color: var(--muted); }
.history-tools { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.history-tools span { color: var(--muted); font-size: 10px; }
.history-tools b { background: #edf6f8; color: var(--teal); border-radius: 999px; padding: 4px 7px; font-size: 9px; }
.debrief-banner { border-radius: 15px; background: linear-gradient(135deg,var(--navy),#174d70); color: white; padding: 18px 20px; margin-bottom: 16px; }
.debrief-banner .eyebrow { color: var(--cyan); }
.debrief-banner strong { display: block; font-size: 21px; margin: 3px 0 5px; }
.debrief-banner p { margin: 0; color: #d9e8ee; line-height: 1.5; }
.launch-outcome { margin: 16px 0; border-top: 4px solid var(--gold); }
@media (max-width: 1080px) { .journey-strip { grid-template-columns: repeat(4,1fr); } .register-metrics, .analysis-metrics { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 760px) { .journey-head, .section-heading, .decision-section-head, .register-controls { align-items: flex-start; flex-direction: column; } .journey-strip { grid-template-columns: 1fr 1fr; } .decision-workflow { grid-template-columns: 1fr; } .decision-resource-summary { justify-content: flex-start; } .register-metrics, .analysis-metrics { grid-template-columns: 1fr; } .register-controls select { min-width: 0; width: 100%; } .history-card { grid-template-columns: 34px 1fr; } }

/* Milestone 28 acceptance refinements */
.skip-link { top: 12px; transform: translateY(-220%); transition: transform .12s ease; }
.skip-link:focus { top: 12px; transform: translateY(0); }
.link-button { border: 0; background: transparent; color: var(--teal); padding: 4px 0; font-weight: 800; text-align: left; cursor: pointer; }
.link-button:hover { text-decoration: underline; }
.forgot-link { align-self: flex-start; margin-top: -2px; }
.text-link { color: var(--teal); font-weight: 800; }
.recovery-notice { margin-top: 14px; }
.role-callout { margin: 8px 0 14px; color: var(--navy); }
.disabled-nav { opacity: .48; cursor: not-allowed; }
.disabled-nav:hover { background: transparent; }
.completion-guidance { margin-bottom: 16px; }
.chart-missing { margin: 4px 0 10px; font-size: 12px; color: var(--muted); }
.response-id { display: block; color: var(--muted); margin-top: 3px; overflow-wrap: anywhere; }
.empty-risk-state strong { font-size: 16px; }
.status-pill.watch { background: #fff2d7; color: #785619; }
@media (max-width: 760px) { .link-button { width: auto; } }

/* Milestone 29 developer QA controls */
.developer-qa-panel { border: 1px solid #d6c27e; background: #fff9e8; border-radius: 14px; padding: 14px 16px; margin-bottom: 16px; box-shadow: 0 5px 16px rgba(12,51,84,.04); }
.developer-qa-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.developer-qa-head h3 { margin: 2px 0 0; color: var(--navy); }
.developer-qa-panel > p { margin: 8px 0 12px; color: #62573b; font-size: 12px; line-height: 1.45; max-width: 900px; }
.developer-qa-form { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.developer-qa-form label { display: grid; gap: 5px; color: var(--navy); font-size: 11px; font-weight: 800; }
.developer-qa-form select { min-width: 230px; border: 1px solid #b8ccd6; border-radius: 8px; padding: 8px 10px; background: white; color: var(--ink); }
.qa-checkpoints { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 11px; }
.qa-checkpoints > span { color: #62573b; font-size: 11px; font-weight: 800; margin-right: 3px; }
.qa-checkpoints button:disabled, .developer-qa-form button:disabled { opacity: .45; cursor: not-allowed; }
@media (max-width: 760px) { .developer-qa-head { flex-direction: column; } .developer-qa-form { align-items: stretch; flex-direction: column; } .developer-qa-form select { min-width: 0; width: 100%; } }

/* Milestone 30: final-results integrity and QA traceability */
.qa-results-note { margin-top: -4px; margin-bottom: 16px; }

/* Milestone 31 instructor class and assignment journey */
.instructor-page{max-width:1120px;margin:0 auto;padding:48px 28px 80px}.page-kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:.16em;font-weight:800;color:#005F3F;margin-top:24px}.instructor-page h1{font-size:2.2rem;margin:.35rem 0}.lede.compact{max-width:760px}.instructor-form-card{max-width:760px;margin-top:30px;padding:32px}.form-accent{width:62px;height:5px;border-radius:4px;background:#005F3F;margin-bottom:24px}.instructor-class-form,.instructor-assignment-form{gap:20px}.stack-form label{display:grid;gap:7px;font-weight:700}.stack-form label small{font-weight:400;color:#64748b}.stack-form textarea{resize:vertical;min-height:120px}.availability-box{display:grid;gap:6px;padding:18px 20px;border:1px solid #d7e3e8;border-radius:12px;background:#f1f8fb}.availability-box strong{color:#0C3354}.availability-box span{font-size:1.05rem;font-weight:800;color:#005F3F}.form-actions{display:flex;gap:12px}.class-card-list{display:grid;gap:14px;margin-top:18px}.class-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;border:1px solid #d7e3e8;border-radius:12px;background:#fff}.class-card>div:first-child{display:grid;gap:3px}.class-card strong{font-size:1.08rem}.class-card span,.class-card small{color:#64748b}.class-card-actions{display:flex;align-items:center;gap:12px}.class-code-mini{font-family:ui-monospace,monospace;font-weight:800;letter-spacing:.08em;color:#0C3354!important}.class-title-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-top:20px}.class-code-box{padding:14px 18px;border:1px solid #d7e3e8;border-radius:12px;background:#fff;display:grid;gap:4px;min-width:150px}.class-code-box span{text-transform:uppercase;font-size:.72rem;letter-spacing:.12em;color:#64748b}.class-code-box strong{font-family:ui-monospace,monospace;font-size:1.25rem;letter-spacing:.08em}.class-tabs{display:flex;gap:28px;margin:28px 0 26px;border-bottom:1px solid #d7e3e8}.class-tab{background:none;border:0;padding:10px 0 13px;color:#64748b;font-weight:700}.class-tab.active{color:#005F3F;border-bottom:3px solid #005F3F}.four-col{grid-template-columns:repeat(4,minmax(0,1fr))}.class-summary{margin-bottom:24px}.small-value{font-size:1.05rem!important}.good-text{color:#005F3F}.class-overview-grid{align-items:start}.detail-list{display:grid;gap:16px}.detail-list div{display:grid;gap:3px}.detail-list dt{font-size:.78rem;color:#64748b}.detail-list dd{margin:0;font-weight:700}.assignment-detail-card{display:flex;justify-content:space-between;gap:24px;padding:20px 0;border-top:1px solid #e1e9ed}.assignment-detail-card:first-of-type{border-top:0}.assignment-detail-card h4{font-size:1.25rem;margin:.25rem 0}.assignment-detail-card p{color:#475569}.assignment-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;margin-top:12px}.assignment-meta span{display:grid;gap:3px;color:#475569}.assignment-actions{display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap}.attempt-limit-form{display:flex;gap:6px}.attempt-limit-form input{width:86px}@media(max-width:800px){.four-col{grid-template-columns:1fr 1fr}.class-title-row,.class-card,.assignment-detail-card{align-items:stretch;flex-direction:column}.class-overview-grid{grid-template-columns:1fr}}

/* Milestone 32 instructor analytics refinements */
.alert-text{color:#9b2c2c;font-weight:800}
.analytics-assignment-meta{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:0}
.assignment-analytics-summary{margin-bottom:20px}
.progress-metrics{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:1100px){.analytics-assignment-meta{grid-template-columns:repeat(2,minmax(0,1fr))}.progress-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.analytics-assignment-meta,.progress-metrics{grid-template-columns:1fr}}

/* Milestone 33 instructor usability refinements */
.timezone-combobox{display:grid;gap:6px}.timezone-detected{color:#475569!important}.timezone-detected strong{color:#0C3354}.timezone-reset{width:max-content;font-size:.78rem;margin-top:-2px}.timezone-combobox input[list]{background-image:linear-gradient(45deg,transparent 50%,#64748b 50%),linear-gradient(135deg,#64748b 50%,transparent 50%);background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px}

/* Milestone 34 learner identity continuity and live beta onboarding */
.topbar-right { display: flex; align-items: center; justify-content: flex-end; gap: 18px; min-width: 0; flex: 1 1 auto; }
.status-strip { flex: 0 1 auto; }
.simulation-account { display: flex; align-items: center; gap: 8px; padding-left: 16px; border-left: 1px solid rgba(255,255,255,.25); min-width: 0; flex: 0 0 auto; }
.simulation-account-name { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; font-weight: 700; }
@media (max-width: 1180px) {
  .topbar { align-items: flex-start; padding-top: 12px; padding-bottom: 12px; }
  .topbar-right { flex-direction: column; align-items: flex-end; gap: 7px; }
  .simulation-account { order: 1; border-left: 0; padding-left: 0; }
  .status-strip { order: 2; gap: 16px; }
  .simulation-account-name { max-width: 220px; }
}
@media (max-width: 760px) { .topbar { flex-direction: column; } .topbar-right { width: 100%; align-items: flex-start; } .status-strip { display: none; } .simulation-account { border-left: 0; padding-left: 0; width: 100%; flex-wrap: wrap; } .simulation-account-name { max-width: min(70vw, 320px); } }