:root {
  --navy-950: #091827;
  --navy-900: #0d2338;
  --navy-800: #17334d;
  --navy-700: #234865;
  --navy-100: #e8eef3;
  --gold-500: #b8935b;
  --gold-300: #d9c09a;
  --ink-950: #14202a;
  --ink-800: #2f3a43;
  --ink-650: #53616c;
  --ink-500: #70808b;
  --surface: #f4f2ed;
  --surface-strong: #fbfaf7;
  --surface-muted: #eeece6;
  --line: #d8d4ca;
  --line-strong: #c6c1b5;
  --success: #486a59;
  --success-bg: #e8f0eb;
  --warning: #8a6533;
  --warning-bg: #f4ebdc;
  --muted-bg: #eceae5;
  --danger: #7b3f3f;
  --danger-bg: #f3e8e8;
  --white: #ffffff;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-soft: 0 10px 30px rgba(10, 24, 39, 0.07);
  --shadow-dialog: 0 28px 80px rgba(9, 24, 39, 0.22);
  --sidebar: 248px;
  --content-max: 940px;
  --topbar-h: 72px;
  --transition: 170ms ease;
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
  background: var(--surface);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% 0%, rgba(184, 147, 91, 0.055), transparent 28rem),
    var(--surface);
  color: var(--ink-950);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input, textarea, select { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid rgba(184, 147, 91, 0.42);
  outline-offset: 3px;
}

svg { display: block; }

.app-frame {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 28px;
  background: rgba(251, 250, 247, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand-lockup {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.brand-name {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  color: var(--navy-900);
  font-size: 17px;
  line-height: 1.12;
  letter-spacing: .095em;
  font-weight: 700;
  white-space: nowrap;
}

.brand-subtitle {
  margin-top: 2px;
  color: var(--ink-650);
  font-size: 12px;
  letter-spacing: .04em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.session-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--ink-650);
  font-size: 12px;
  white-space: nowrap;
}

.session-badge svg {
  width: 14px;
  height: 14px;
  fill: var(--success);
}

.icon-button, .text-button, .footer-link, .sidebar-link {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--ink-650);
  transition: background var(--transition), color var(--transition);
}

.icon-button:hover { background: var(--surface-muted); color: var(--navy-900); }
.icon-button svg { width: 19px; height: 19px; fill: currentColor; }

.text-button {
  min-height: 38px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  color: var(--navy-800);
  font-size: 13px;
  font-weight: 650;
  transition: background var(--transition);
}
.text-button:hover { background: var(--surface-muted); }

.workspace {
  width: 100%;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
}

.workspace.has-sidebar {
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: var(--topbar-h);
  align-self: start;
  height: calc(100vh - var(--topbar-h));
  padding: 26px 20px 20px;
  border-right: 1px solid var(--line);
  background: rgba(238, 236, 230, .62);
  overflow-y: auto;
}

.sidebar-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 6px 14px;
  color: var(--ink-500);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.question-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.question-nav button {
  width: 100%;
  min-height: 42px;
  display: grid;
  grid-template-columns: 34px 1fr 22px;
  align-items: center;
  gap: 6px;
  padding: 7px 8px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--ink-650);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.question-nav button:hover { background: rgba(255, 255, 255, .58); }
.question-nav button[aria-current="step"] {
  background: var(--surface-strong);
  border-color: var(--line);
  color: var(--navy-900);
}

.nav-num {
  font-variant-numeric: tabular-nums;
  color: var(--ink-500);
  font-size: 11px;
  font-weight: 700;
}

.nav-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
}

.nav-state {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: var(--ink-500);
  font-size: 11px;
  font-weight: 800;
}
.nav-state.is-yes { background: var(--success-bg); color: var(--success); }
.nav-state.is-no { background: var(--warning-bg); color: var(--warning); }
.nav-state.is-na { background: var(--muted-bg); color: var(--ink-500); }
.nav-state.is-empty { border: 1px solid var(--line-strong); }

.sidebar-footer {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.sidebar-link {
  padding: 8px 6px;
  color: var(--ink-500);
  font-size: 12px;
}
.sidebar-link:hover { color: var(--navy-900); }

.main-panel {
  min-width: 0;
  width: 100%;
  padding: 50px 44px 64px;
}

.main-panel > div {
  width: min(100%, var(--content-max));
  margin: 0 auto;
}

.site-footer {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 12px 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-500);
  background: var(--surface);
  font-size: 11px;
}
.footer-link { color: var(--navy-700); padding: 4px 0; }
.footer-link:hover { text-decoration: underline; }

.eyebrow {
  display: inline-block;
  color: var(--gold-500);
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: .14em;
  font-weight: 800;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--navy-900); }
h1 {
  margin-bottom: 18px;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.06;
  letter-spacing: -.025em;
  font-weight: 650;
}
h2 {
  margin-bottom: 12px;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-size: clamp(27px, 3.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -.015em;
  font-weight: 650;
}
h3 {
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.35;
  font-weight: 750;
}

.lead {
  max-width: 730px;
  color: var(--ink-800);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.65;
}

.muted { color: var(--ink-650); }
.fine-print { color: var(--ink-500); font-size: 12px; line-height: 1.55; }

.start-screen {
  padding-top: 28px;
}

.start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 58px;
  align-items: start;
}

.start-copy { padding-top: 12px; }

.start-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.start-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--gold-500);
}

.start-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 34px 0 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--line);
}
.meta-cell {
  padding: 15px 16px;
  background: var(--surface-strong);
}
.meta-value {
  display: block;
  color: var(--navy-900);
  font-size: 18px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
}
.meta-label { display: block; margin-top: 2px; color: var(--ink-500); font-size: 11px; }

.notice-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(251, 250, 247, .76);
}
.notice-panel h3 { margin-bottom: 8px; }
.notice-panel p { margin-bottom: 0; color: var(--ink-650); font-size: 14px; }
.notice-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.notice-row svg { width: 20px; height: 20px; flex: 0 0 auto; fill: var(--success); margin-top: 2px; }

.map-visual {
  position: relative;
  min-height: 440px;
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(13,35,56,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13,35,56,.035) 1px, transparent 1px),
    var(--surface-strong);
  background-size: 24px 24px;
  overflow: hidden;
}
.map-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 62%, transparent 20%, rgba(251,250,247,.66) 80%);
  pointer-events: none;
}
.map-title {
  position: relative;
  z-index: 2;
  margin-bottom: 28px;
  color: var(--ink-500);
  font-size: 10px;
  letter-spacing: .13em;
  font-weight: 800;
  text-transform: uppercase;
}
.route {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 18px;
}
.route-step {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  gap: 12px;
  color: var(--navy-900);
}
.route-node {
  width: 20px;
  height: 20px;
  margin-left: 8px;
  border: 2px solid var(--gold-500);
  border-radius: 50%;
  background: var(--surface-strong);
  box-shadow: 0 0 0 5px rgba(184,147,91,.08);
}
.route-step:not(:last-child) .route-node::after {
  content: "";
  display: block;
  width: 2px;
  height: 31px;
  margin: 18px auto 0;
  background: linear-gradient(var(--gold-500), rgba(184,147,91,.18));
}
.route-label { font-size: 13px; font-weight: 750; letter-spacing: .045em; }
.route-note { display: block; color: var(--ink-500); font-size: 11px; font-weight: 500; letter-spacing: 0; }

.primary-button, .secondary-button, .danger-button {
  min-height: 46px;
  border-radius: 10px;
  padding: 0 18px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.primary-button {
  background: var(--navy-900);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(13,35,56,.12);
}
.primary-button:hover { background: var(--navy-800); transform: translateY(-1px); }
.primary-button:active { transform: translateY(0); }
.secondary-button {
  background: var(--surface-strong);
  border-color: var(--line-strong);
  color: var(--navy-800);
}
.secondary-button:hover { border-color: var(--navy-700); background: var(--white); }
.danger-button { background: var(--danger); color: white; }
.danger-button:hover { filter: brightness(.96); }

.start-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.start-actions .fine-print { max-width: 320px; margin: 0; }

.mobile-progress { display: none; }

.question-screen { max-width: 800px; }
.question-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}
.question-index {
  color: var(--ink-500);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}
.critical-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--warning-bg);
  color: var(--warning);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.critical-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.conditional-pill {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-500);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.question-topic {
  margin-bottom: 12px;
  color: var(--navy-700);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.question-text {
  max-width: 780px;
  margin-bottom: 30px;
  color: var(--ink-950);
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  font-size: clamp(26px, 4.5vw, 38px);
  line-height: 1.28;
  letter-spacing: -.018em;
  font-weight: 500;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 600px;
  margin-bottom: 26px;
}
.answer-grid.has-na { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.answer-button {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--navy-900);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.answer-button:hover { border-color: var(--navy-700); transform: translateY(-1px); }
.answer-button[aria-pressed="true"] {
  border-color: var(--navy-700);
  background: var(--navy-100);
  box-shadow: inset 0 0 0 1px var(--navy-700);
}
.answer-button[data-answer="no"][aria-pressed="true"] {
  border-color: var(--warning);
  background: var(--warning-bg);
  color: #6d4d25;
  box-shadow: inset 0 0 0 1px var(--warning);
}
.answer-button[data-answer="na"][aria-pressed="true"] {
  border-color: var(--ink-500);
  background: var(--muted-bg);
  box-shadow: inset 0 0 0 1px var(--ink-500);
}
.answer-button svg { width: 18px; height: 18px; fill: currentColor; }

.why-panel {
  max-width: 720px;
  padding: 18px 20px;
  border-left: 3px solid var(--gold-300);
  background: rgba(251,250,247,.64);
}
.why-panel strong { display: block; margin-bottom: 4px; color: var(--navy-800); font-size: 12px; }
.why-panel p { margin: 0; color: var(--ink-650); font-size: 14px; }

.question-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 720px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.action-cluster { display: flex; gap: 10px; }

.progress-track {
  height: 4px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--line);
}
.progress-value {
  height: 100%;
  border-radius: inherit;
  background: var(--navy-800);
  transition: width 220ms ease;
}

.diagnosis-screen { max-width: 900px; }
.diagnosis-header { margin-bottom: 32px; }
.diagnosis-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.pass-chip {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-500);
  background: var(--surface-strong);
  font-size: 11px;
  font-weight: 750;
}

.route-status {
  margin: 30px 0;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}
.route-status-line {
  display: grid;
  grid-template-columns: repeat(9, auto);
  align-items: center;
  justify-content: stretch;
  gap: 0;
}
.route-status-node {
  display: grid;
  justify-items: center;
  gap: 8px;
  min-width: 74px;
}
.route-status-dot {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink-500);
  font-size: 12px;
  font-weight: 850;
}
.route-status-dot.good { border-color: #aebeb4; background: var(--success-bg); color: var(--success); }
.route-status-dot.review { border-color: #d1b47e; background: var(--warning-bg); color: var(--warning); }
.route-status-dot.destination { border-color: var(--gold-500); color: var(--gold-500); }
.route-status-label { color: var(--ink-650); font-size: 10px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.route-status-connector { height: 1px; background: var(--line-strong); }

.axis-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.axis-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}
.axis-label { color: var(--ink-500); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.axis-status { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 11px; color: var(--navy-900); font-size: 14px; font-weight: 750; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.status-dot.good { background: var(--success); }
.status-dot.review { background: var(--warning); }

.diagnosis-callout {
  margin: 18px 0 30px;
  padding: 18px 20px;
  border-left: 3px solid var(--gold-500);
  background: rgba(244,235,220,.46);
}
.diagnosis-callout strong { display: block; margin-bottom: 4px; color: var(--navy-900); }
.diagnosis-callout p { margin: 0; color: var(--ink-650); font-size: 14px; }

.section-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin: 36px 0 14px;
}
.section-title-row h3 { margin: 0; font-size: 17px; }
.section-title-row span { color: var(--ink-500); font-size: 11px; }

.recommendation-list { display: grid; gap: 10px; }
.recommendation-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}
.recommendation-rank {
  color: var(--ink-500);
  font-size: 11px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.recommendation-main strong { display: block; color: var(--navy-900); font-size: 14px; }
.recommendation-main span { display: block; margin-top: 3px; color: var(--ink-500); font-size: 12px; }
.recommendation-tags { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--muted-bg);
  color: var(--ink-650);
  font-size: 10px;
  font-weight: 750;
}
.tag.critical { background: var(--warning-bg); color: var(--warning); }
.tag.done { background: var(--success-bg); color: var(--success); }

.mini-button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--navy-800);
  cursor: pointer;
  font-size: 12px;
  font-weight: 750;
}
.mini-button:hover { border-color: var(--navy-700); background: var(--white); }

.diagnosis-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}
.summary-cell {
  padding: 15px;
  border-top: 1px solid var(--line);
}
.summary-value { display: block; color: var(--navy-900); font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; }
.summary-label { display: block; color: var(--ink-500); font-size: 11px; }

.diagnosis-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.protocol-screen { max-width: 850px; }
.protocol-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}
.protocol-number { color: var(--ink-500); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.protocol-status {
  display: inline-flex;
  min-height: 29px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-500);
  background: var(--surface-strong);
  font-size: 11px;
  font-weight: 750;
}
.protocol-status.done { border-color: #bdcfc3; background: var(--success-bg); color: var(--success); }

.problem-box, .exit-box {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}
.problem-box { margin: 20px 0 28px; }
.exit-box { margin: 28px 0 0; border-left: 3px solid var(--gold-500); }
.box-label { display: block; margin-bottom: 5px; color: var(--ink-500); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.problem-box p, .exit-box p { margin: 0; color: var(--ink-800); }

.protocol-steps { display: grid; gap: 1px; margin: 22px 0; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; background: var(--line); }
.protocol-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 17px 18px;
  background: var(--surface-strong);
}
.protocol-step-num { color: var(--gold-500); font-size: 11px; font-weight: 850; font-variant-numeric: tabular-nums; }
.protocol-step strong { display: block; color: var(--navy-900); font-size: 13px; }
.protocol-step p { margin: 3px 0 0; color: var(--ink-650); font-size: 13px; }

.protocol-flow {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin: 22px 0;
}
.flow-node {
  flex: 1;
  min-width: 0;
  padding: 14px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
}
.flow-node strong { display: block; color: var(--navy-900); font-size: 11px; letter-spacing: .05em; }
.flow-node span { display: block; margin-top: 4px; color: var(--ink-500); font-size: 11px; }
.flow-arrow { align-self: center; color: var(--gold-500); font-weight: 800; }

.protocol-checklist { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.protocol-checklist li {
  position: relative;
  padding-left: 27px;
  color: var(--ink-800);
  font-size: 14px;
}
.protocol-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 16px;
  height: 16px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--surface-strong);
}

.protocol-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 13px;
}
.comparison-table th, .comparison-table td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.comparison-table th { color: var(--ink-500); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.comparison-table td:first-child { color: var(--navy-900); font-weight: 750; }
.state-text.good { color: var(--success); font-weight: 700; }
.state-text.review { color: var(--warning); font-weight: 700; }
.state-text.na { color: var(--ink-500); }

.completion-panel {
  padding: 24px;
  border: 1px solid #bdcfc3;
  border-radius: var(--radius-lg);
  background: var(--success-bg);
}
.completion-panel h3 { color: #345444; margin-bottom: 6px; }
.completion-panel p { margin: 0; color: #4f6558; }

.dialog {
  width: min(92vw, 680px);
  max-height: min(82vh, 760px);
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  color: var(--ink-950);
  box-shadow: var(--shadow-dialog);
  overflow: auto;
}
.dialog::backdrop { background: rgba(9, 24, 39, .46); backdrop-filter: blur(2px); }
.dialog-small { width: min(92vw, 520px); }
.dialog-header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 22px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(251,250,247,.97);
}
.dialog-header h2 { margin: 4px 0 0; font-size: 24px; }
.dialog > p { padding: 22px; margin: 0; color: var(--ink-650); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 0 22px 22px; }

.overview-list { list-style: none; margin: 0; padding: 10px 22px 24px; }
.overview-item {
  display: grid;
  grid-template-columns: 36px minmax(0,1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  border-bottom: 1px solid var(--line);
}
.overview-item:last-child { border-bottom: 0; }
.overview-num { color: var(--ink-500); font-size: 11px; font-weight: 800; }
.overview-label { color: var(--navy-900); font-size: 13px; font-weight: 650; }
.overview-go {
  border: 0;
  background: transparent;
  color: var(--navy-700);
  cursor: pointer;
  font-size: 11px;
  font-weight: 750;
}
.overview-go:hover { text-decoration: underline; }

.privacy-copy { padding: 8px 22px 24px; }
.privacy-item { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.privacy-item svg { width: 21px; height: 21px; fill: var(--success); margin-top: 2px; }
.privacy-item strong { color: var(--navy-900); }
.privacy-item p { margin: 4px 0 0; color: var(--ink-650); font-size: 13px; }
.privacy-copy .fine-print { margin: 18px 0 0; }

.noscript {
  position: fixed;
  inset: auto 20px 20px;
  z-index: 100;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--danger);
  color: white;
}

.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;
}

@media (max-width: 980px) {
  :root { --sidebar: 218px; }
  .main-panel { padding: 42px 28px 58px; }
  .start-grid { grid-template-columns: 1fr 290px; gap: 32px; }
  .route-status-node { min-width: 58px; }
  .route-status-label { font-size: 9px; }
}

@media (max-width: 820px) {
  .workspace.has-sidebar { grid-template-columns: 1fr; }
  .sidebar { display: none !important; }
  .topbar { padding: 11px 16px; }
  .brand-name { font-size: 15px; }
  .brand-subtitle { font-size: 11px; }
  .session-badge { display: none; }
  .main-panel { padding: 30px 20px 48px; }
  .start-grid { grid-template-columns: 1fr; }
  .map-visual { min-height: auto; }
  .mobile-progress { display: block; margin-bottom: 26px; }
  .mobile-progress-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; color: var(--ink-500); font-size: 11px; font-weight: 750; }
  .route-status { overflow-x: auto; }
  .route-status-line { min-width: 620px; }
  .axis-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .recommendation-card { grid-template-columns: 34px minmax(0, 1fr); }
  .recommendation-card .mini-button { grid-column: 2; justify-self: start; }
  .diagnosis-summary { grid-template-columns: 1fr 1fr 1fr; }
  .protocol-flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); align-self: flex-start; margin-left: 16px; }
}

@media (max-width: 580px) {
  .topbar { min-height: 64px; }
  .brand-mark { width: 30px; height: 30px; }
  .brand-name { font-size: 13px; letter-spacing: .075em; }
  .brand-subtitle { display: none; }
  .topbar-actions { gap: 2px; }
  .text-button { font-size: 12px; padding-inline: 7px; }
  .main-panel { padding: 24px 16px 42px; }
  .start-screen { padding-top: 8px; }
  .start-meta { grid-template-columns: 1fr; }
  .meta-cell { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
  .map-visual { padding: 22px 20px; }
  .question-head { margin-bottom: 20px; }
  .question-text { font-size: 28px; }
  .answer-grid, .answer-grid.has-na { grid-template-columns: 1fr; max-width: none; }
  .answer-button { min-height: 52px; }
  .question-actions, .diagnosis-actions, .protocol-actions { align-items: stretch; flex-direction: column-reverse; }
  .action-cluster { width: 100%; }
  .action-cluster > * { flex: 1; }
  .question-actions > .primary-button, .diagnosis-actions > .primary-button, .protocol-actions > .primary-button { width: 100%; }
  .diagnosis-header-row { flex-direction: column; }
  .axis-grid { grid-template-columns: 1fr 1fr; }
  .diagnosis-summary { grid-template-columns: 1fr; }
  .summary-cell { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
  .recommendation-card { padding: 14px; }
  .comparison-wrap { overflow-x: auto; }
  .comparison-table { min-width: 520px; }
  .site-footer { flex-direction: column; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

button:disabled {
  cursor: not-allowed;
  opacity: .48;
  transform: none !important;
  box-shadow: none !important;
}