:root {
  --bg: #f3f6fb;
  --bg-soft: #eaf0f8;
  --panel: #ffffff;
  --panel-2: #e6edf7;
  --line: #d4ddea;
  --line-strong: #8192aa;
  --ink: #172b45;
  --muted: #475b73;
  --muted-2: #536780;
  --cream: #102e50;
  --artery: #b52c3d;
  --artery-soft: #fdecef;
  --vein: #225fb6;
  --vein-soft: #eaf2ff;
  --portal: #753bae;
  --lime: #195eb5;
  --gold: #80520b;
  --shadow: 0 8px 28px rgba(23, 43, 69, 0.08);
  --radius: 20px;
  --radius-sm: 12px;
  --max: 1440px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% -15%, rgba(83, 167, 255, 0.13), transparent 29rem),
    radial-gradient(circle at 90% 0%, rgba(255, 102, 93, 0.1), transparent 32rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  z-index: -1;
  background-image:
    linear-gradient(rgba(23,43,69,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,43,69,0.015) 1px, transparent 1px);
  background-size: 28px 28px;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  background: var(--cream);
  color: #0a1114;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 1000;
}

.skip-link:focus {
  transform: none;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 10px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 20, 0.87);
  backdrop-filter: blur(18px) saturate(125%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(255,102,93,.14), rgba(83,167,255,.14));
}

.brand-mark svg {
  width: 27px;
  fill: none;
  stroke: var(--cream);
  stroke-width: 1.7;
  stroke-linecap: round;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.875rem;
  letter-spacing: 0.015em;
}

.brand small {
  color: var(--muted);
  font-size: 0.875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 3px;
}

.nav-item {
  border: 0;
  border-radius: 9px;
  padding: 9px 11px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.875rem;
  transition: .18s ease;
}

.nav-item:hover,
.nav-item.is-active {
  color: var(--ink);
  background: rgba(23,43,69,.06);
}

.nav-item.is-active {
  box-shadow: inset 0 -1px 0 var(--lime);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(23,43,69,.025);
  cursor: pointer;
}

.icon-button svg,
.search-field svg,
.dialog-search-row svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
}

.countdown-chip {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 8px;
  min-width: 86px;
  height: 42px;
  padding: 0 12px;
  border: 1px solid rgba(25,94,181,.24);
  border-radius: 11px;
  background: rgba(25,94,181,.075);
}

.countdown-chip span {
  color: var(--lime);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.countdown-chip small {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.1;
}

main {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 64px) 96px;
}

.view {
  display: none;
  animation: fade-in .24s ease both;
}

.view.is-active {
  display: block;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(310px, .65fr);
  gap: clamp(32px, 6vw, 90px);
  align-items: center;
  min-height: 610px;
  padding: 68px 0 60px;
}

.eyebrow,
.kicker {
  margin: 0 0 12px;
  color: var(--lime);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.pulse-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 rgba(25,94,181,.5);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(25,94,181,0); }
  100% { box-shadow: 0 0 0 0 rgba(25,94,181,0); }
}

.hero h1,
.page-head h1 {
  margin: 0;
  color: var(--cream);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.035em;
  line-height: 1.02;
}

.hero h1 {
  max-width: 820px;
  font-size: clamp(46px, 6.4vw, 88px);
}

.hero h1 em {
  color: var(--lime);
  font-weight: 500;
}

.hero-lede {
  max-width: 730px;
  margin: 27px 0 0;
  color: #475b73;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 49px;
  padding: 0 20px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 750;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.primary-button {
  border: 1px solid var(--lime);
  background: var(--lime);
  color: #10190c;
}

.primary-button svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.secondary-button {
  border: 1px solid var(--line-strong);
  background: rgba(23,43,69,.025);
  color: var(--ink);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

.secondary-button:hover {
  border-color: rgba(237,242,237,.42);
  background: rgba(23,43,69,.055);
}

.secondary-button.compact {
  min-height: 40px;
  padding: 0 15px;
  font-size: 0.875rem;
}

.mission-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(23,43,69,.045), rgba(23,43,69,.01)),
    var(--panel);
  box-shadow: var(--shadow);
}

.mission-card::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: rgba(25,94,181,.06);
  filter: blur(4px);
}

.mission-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: .15em;
}

.status-pill {
  color: var(--lime);
  padding: 5px 8px;
  border: 1px solid rgba(25,94,181,.24);
  border-radius: 999px;
  background: rgba(25,94,181,.075);
}

.target-visual {
  position: relative;
  width: 220px;
  max-width: 72%;
  margin: 17px auto;
}

.target-visual svg {
  width: 100%;
  transform: rotate(-90deg);
}

.target-visual circle {
  fill: none;
  stroke-width: 8;
}

.ring-bg { stroke: rgba(23,43,69,.08); }
.ring-target {
  stroke: var(--lime);
  stroke-dasharray: 434;
  stroke-dashoffset: 217;
  stroke-linecap: round;
  filter: drop-shadow(0 0 7px rgba(25,94,181,.26));
}

.target-copy {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
}

.target-copy strong {
  display: block;
  color: var(--cream);
  font-size: 2.9375rem;
  line-height: 1;
}

.target-copy strong span {
  color: var(--muted);
  font-size: 1.1875rem;
}

.target-copy small {
  color: var(--muted);
  font-size: 0.875rem;
}

.score-equation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
}

.score-equation span { color: var(--muted); text-align: center; }
.score-equation b { display: block; color: var(--ink); font-size: 1rem; }
.score-equation .equation-sign { color: var(--muted-2); font-size: 1rem; }
.score-equation .success b { color: var(--lime); }
.mission-card > p { position: relative; z-index: 1; margin: 17px 0 0; color: var(--muted); font-size: 0.875rem; line-height: 1.6; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 20px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14,28,33,.72);
}

.today-panel,
.coverage-panel,
.recognition-panel,
.protocol-panel {
  padding: 26px;
}

.panel-heading,
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.panel-heading h2,
.section-heading h2 {
  margin: 0;
  color: var(--cream);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 500;
}

.kicker { color: var(--muted-2); margin-bottom: 5px; }
.time-badge {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(83,167,255,.09);
  color: #225fb6;
  font-size: 0.875rem;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--lime);
  cursor: pointer;
  font-size: 0.875rem;
}

.today-steps {
  display: grid;
  gap: 4px;
  margin-top: 20px;
}

.today-step {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 13px;
  padding: 12px 10px;
  border-top: 1px solid var(--line);
  border-radius: 9px;
  cursor: pointer;
}

.today-step:hover { background: rgba(23,43,69,.03); }
.today-step:first-child { border-top: 0; }
.step-index {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 800;
}

.today-step.is-done .step-index { border-color: var(--lime); background: var(--lime); color: #11200d; }
.today-step b,
.today-step small { display: block; }
.today-step b { font-size: 0.875rem; }
.today-step small { margin-top: 2px; color: var(--muted); font-size: 0.875rem; }
.today-step time { color: var(--muted-2); font-size: 0.875rem; }

.region-progress {
  display: grid;
  gap: 15px;
  margin-top: 24px;
}

.region-progress-item {
  display: grid;
  grid-template-columns: 112px 1fr 34px;
  gap: 12px;
  align-items: center;
  font-size: 0.875rem;
}

.progress-track,
.quiz-progress-track {
  overflow: hidden;
  height: 6px;
  border-radius: 99px;
  background: rgba(23,43,69,.07);
}

.progress-track i,
.quiz-progress-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--vein), var(--lime));
}

.region-progress-item strong { color: var(--muted); text-align: right; }

.section-block {
  margin-top: 74px;
}

.section-heading { align-items: end; margin-bottom: 24px; }
.section-heading > p { max-width: 430px; margin: 0; color: var(--muted); font-size: 0.875rem; }

.foundation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.foundation-card {
  position: relative;
  min-height: 260px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(23,43,69,.04), rgba(23,43,69,.01));
  cursor: pointer;
  transition: .2s ease;
}

.foundation-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.foundation-card::after {
  content: attr(data-index);
  position: absolute;
  right: -3px;
  bottom: -28px;
  color: rgba(23,43,69,.035);
  font-family: Georgia, serif;
  font-size: 7.5rem;
  line-height: 1;
}

.foundation-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(25,94,181,.09);
  color: var(--lime);
  font-size: 1.25rem;
}

.foundation-card h3 { margin: 45px 0 10px; color: var(--cream); font-size: 1.125rem; }
.foundation-card p { margin: 0; color: var(--muted); font-size: 0.875rem; line-height: 1.65; }
.foundation-card button { position: absolute; left: 24px; bottom: 20px; padding: 0; border: 0; background: transparent; color: var(--lime); font-size: 0.875rem; }

.route-preview {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(120deg, rgba(255,102,93,.04), rgba(83,167,255,.04));
}

.body-route {
  display: grid;
  grid-template-columns: 1fr .55fr 1fr .55fr 1fr .55fr 1fr .55fr 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 35px;
}

.route-node {
  min-height: 105px;
  padding: 14px;
  border: 1px solid rgba(255,102,93,.25);
  border-radius: 14px;
  background: rgba(255,102,93,.055);
}

.route-node span { color: var(--artery); font-size: 0.875rem; font-weight: 800; }
.route-node b,
.route-node small { display: block; }
.route-node b { margin-top: 13px; font-size: 0.875rem; }
.route-node small { margin-top: 4px; color: var(--muted); font-size: 0.875rem; }
.route-node.vein-node { border-color: rgba(83,167,255,.25); background: rgba(83,167,255,.055); }
.route-node.vein-node span { color: var(--vein); }
.route-arrow { position: relative; height: 1px; background: currentColor; color: var(--artery); }
.route-arrow::after { content: ""; position: absolute; right: -1px; top: -3px; width: 6px; height: 6px; border-top: 1px solid; border-right: 1px solid; transform: rotate(45deg); }
.route-arrow span { position: absolute; left: 50%; bottom: 7px; transform: translateX(-50%); color: var(--muted-2); font-size: 0.875rem; text-transform: uppercase; letter-spacing: .08em; }
.route-arrow.capillary { color: var(--portal); }
.route-arrow.vein { color: var(--vein); }

.correction-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.correction-card {
  position: relative;
  min-height: 178px;
  padding: 20px;
  border: 1px solid rgba(233,196,106,.2);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(233,196,106,.07), rgba(23,43,69,.015));
  cursor: pointer;
  text-align: left;
}

.correction-card:hover { border-color: rgba(233,196,106,.45); }
.correction-card > span { color: var(--gold); font-size: 0.875rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.correction-card h3 { margin: 13px 0 8px; color: var(--cream); font-size: 0.9375rem; }
.correction-card p { margin: 0; color: var(--muted); font-size: 0.875rem; line-height: 1.6; }
.correction-card i { position: absolute; right: 16px; bottom: 13px; color: var(--gold); font-size: 0.875rem; font-style: normal; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  padding: 64px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-head h1 { font-size: clamp(38px, 5vw, 65px); }
.page-head p:not(.eyebrow) { max-width: 720px; margin: 15px 0 0; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: 0.875rem; }
.legend span { white-space: nowrap; }
.dot { display: inline-block; width: 8px; height: 8px; margin-right: 5px; border-radius: 50%; }
.artery-dot { background: var(--artery); }
.vein-dot { background: var(--vein); }
.portal-dot { background: var(--portal); }

.region-tabs {
  display: flex;
  gap: 7px;
  padding: 22px 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.region-tab,
.filter-chip,
.mode-chip {
  flex: none;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.875rem;
}

.region-tab:hover,
.region-tab.is-active,
.filter-chip:hover,
.filter-chip.is-active,
.mode-chip:hover,
.mode-chip.is-active {
  border-color: rgba(25,94,181,.34);
  background: rgba(25,94,181,.08);
  color: var(--ink);
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  min-height: 620px;
}

.flow-map {
  position: relative;
  overflow: auto;
  min-height: 620px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at center, rgba(23,43,69,.03), transparent 60%),
    rgba(6,15,19,.75);
}

.flow-map-inner {
  min-width: 690px;
}

.map-note {
  max-width: 720px;
  margin: 0 auto 20px;
  padding: 10px 12px;
  border: 1px solid rgba(214,174,255,.18);
  border-radius: 10px;
  background: rgba(196,140,255,.045);
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.flow-level {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  position: relative;
  margin: 0 auto 16px;
  padding: 15px 13px;
  border: 1px solid rgba(23,43,69,.045);
  border-radius: 14px;
  background: rgba(23,43,69,.015);
}

.flow-level-label {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--muted-2);
  font-size: 0.875rem;
  font-weight: 800;
}

.flow-node {
  position: relative;
  min-width: 145px;
  max-width: 210px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--panel);
  cursor: pointer;
  text-align: left;
  font-size: 0.875rem;
}

.flow-node::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--node-color, var(--artery));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--node-color, var(--artery)) 15%, transparent);
}

.flow-node[data-kind="veia"] { --node-color: var(--vein); }
.flow-node[data-kind="porta"] { --node-color: var(--portal); }
.flow-node[data-kind="marco"] { --node-color: var(--gold); }
.flow-node:hover,
.flow-node.is-active { border-color: var(--node-color, var(--artery)); transform: translateY(-1px); }
.flow-node small { display: block; margin: 5px 0 0 15px; color: var(--muted-2); }

.structure-drawer {
  align-self: start;
  position: sticky;
  top: 96px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.drawer-empty { display: grid; place-items: center; min-height: 410px; color: var(--muted); text-align: center; }
.drawer-symbol { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 16px; border: 1px solid var(--line); border-radius: 50%; font-size: 1.5625rem; }
.structure-drawer .type-label { display: inline-flex; padding: 5px 8px; border-radius: 999px; background: rgba(255,102,93,.1); color: #b52c3d; font-size: 0.875rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.structure-drawer .type-label.veia { background: rgba(83,167,255,.1); color: #225fb6; }
.structure-drawer .type-label.porta { background: rgba(196,140,255,.1); color: #753bae; }
.structure-drawer h2 { margin: 14px 0 5px; color: var(--cream); font-family: Georgia, serif; font-size: 1.875rem; font-weight: 500; line-height: 1.08; }
.structure-drawer .aliases { margin: 0 0 19px; color: var(--muted-2); font-size: 0.875rem; }
.detail-list { display: grid; gap: 0; margin: 0; }
.detail-list div { padding: 13px 0; border-top: 1px solid var(--line); }
.detail-list dt { color: var(--muted-2); font-size: 0.875rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.detail-list dd { margin: 5px 0 0; font-size: 0.875rem; line-height: 1.6; }
.pin-tip { margin-top: 17px; padding: 14px; border-left: 2px solid var(--lime); border-radius: 0 9px 9px 0; background: rgba(25,94,181,.055); }
.pin-tip b { display: block; margin-bottom: 4px; color: var(--lime); font-size: 0.875rem; text-transform: uppercase; letter-spacing: .1em; }
.pin-tip p { margin: 0; color: #172b45; font-size: 0.875rem; }

.contrast-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.contrast-card { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(23,43,69,.02); }
.contrast-card span { color: var(--gold); font-size: 0.875rem; font-weight: 800; letter-spacing: .12em; }
.contrast-card h3 { margin: 7px 0; font-size: 0.875rem; }
.contrast-card p { margin: 0; color: var(--muted); font-size: 0.875rem; }

.lab-score,
.streak-card,
.inventory-total,
.source-stats {
  min-width: 128px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(23,43,69,.025);
  text-align: center;
}

.lab-score span,
.streak-card span,
.inventory-total span,
.source-stats span { display: block; color: var(--lime); font-size: 1.5625rem; font-weight: 800; }
.lab-score small,
.streak-card small,
.inventory-total small,
.source-stats small { display: block; color: var(--muted); font-size: 0.875rem; text-transform: uppercase; letter-spacing: .08em; }

.lab-toolbar,
.source-toolbar,
.inventory-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
}

.segmented-control {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(23,43,69,.02);
  overflow-x: auto;
}

.segment-button {
  flex: none;
  padding: 7px 11px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.875rem;
}

.segment-button.is-active { background: rgba(23,43,69,.09); color: var(--ink); }

.lab-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  gap: 18px;
  min-height: 600px;
}

.specimen-stage {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 600px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle, rgba(23,43,69,.055) 1px, transparent 1.4px) 0 0/22px 22px,
    #081216;
}

.specimen-stage svg { width: min(88%, 760px); max-height: 540px; }
.anatomy-shape { fill: rgba(241,233,215,.07); stroke: rgba(241,233,215,.3); stroke-width: 2; }
.anatomy-landmark { fill: none; stroke: rgba(241,233,215,.32); stroke-width: 8; stroke-linecap: round; }
.vessel-artery { fill: none; stroke: var(--artery); stroke-width: 9; stroke-linecap: round; stroke-linejoin: round; }
.vessel-vein { fill: none; stroke: var(--vein); stroke-width: 10; stroke-linecap: round; stroke-linejoin: round; }
.vessel-minor { stroke-width: 5; }
.pin-marker line { stroke: var(--gold); stroke-width: 2; }
.pin-marker circle { fill: var(--gold); filter: drop-shadow(0 0 7px rgba(233,196,106,.45)); }
.pin-letter { fill: #f3f6fb; font-size: 0.875rem; font-weight: 900; text-anchor: middle; dominant-baseline: central; }
.orientation-label { fill: var(--muted); font-size: 0.875rem; font-weight: 700; letter-spacing: .08em; }

.lab-question {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.question-index { color: var(--muted-2); font-size: 0.875rem; font-weight: 800; letter-spacing: .14em; }
.lab-question h2 { margin: 12px 0 8px; color: var(--cream); font-family: Georgia, serif; font-size: 1.75rem; font-weight: 500; line-height: 1.15; }
.lab-question > p { margin: 0; color: var(--muted); font-size: 0.875rem; }
.answer-options { display: grid; gap: 9px; margin-top: 25px; }
.answer-option {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 48px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(23,43,69,.02);
  cursor: pointer;
  text-align: left;
  font-size: 0.875rem;
}
.answer-option:hover { border-color: var(--line-strong); }
.answer-option .letter { display: grid; place-items: center; flex: 0 0 26px; width: 26px; height: 26px; border-radius: 7px; background: rgba(23,43,69,.06); color: var(--muted); font-size: 0.875rem; font-weight: 800; }
.answer-option.is-correct { border-color: rgba(25,94,181,.55); background: rgba(25,94,181,.08); }
.answer-option.is-wrong { border-color: rgba(255,102,93,.55); background: rgba(255,102,93,.08); }
.answer-feedback { margin-top: 16px; padding: 15px; border-radius: 11px; background: rgba(23,43,69,.035); font-size: 0.875rem; line-height: 1.6; }
.answer-feedback b { color: var(--lime); }
.lab-next { width: 100%; margin-top: 16px; }

.recognition-panel { margin-top: 20px; }
.recognition-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin: 23px 0 0; padding: 0; list-style: none; }
.recognition-steps li { padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: rgba(23,43,69,.02); }
.recognition-steps li > span { display: grid; place-items: center; width: 24px; height: 24px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--lime); font-size: 0.875rem; font-weight: 800; }
.recognition-steps b,
.recognition-steps small { display: block; }
.recognition-steps b { margin-top: 15px; font-size: 0.875rem; }
.recognition-steps small { margin-top: 5px; color: var(--muted); font-size: 0.875rem; line-height: 1.5; }

.training-modes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  padding: 22px 0;
}

.training-mode {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(23,43,69,.02);
  cursor: pointer;
  text-align: left;
}
.training-mode:hover,
.training-mode.is-active { border-color: rgba(25,94,181,.35); background: rgba(25,94,181,.055); }
.training-mode b,
.training-mode small { display: block; }
.training-mode b { font-size: 0.875rem; }
.training-mode small { margin-top: 4px; color: var(--muted); font-size: 0.875rem; }

.quiz-shell { max-width: 850px; margin: 24px auto 0; }
.quiz-progress-row { display: grid; grid-template-columns: 110px 1fr 65px; gap: 14px; align-items: center; color: var(--muted); font-size: 0.875rem; font-weight: 800; letter-spacing: .1em; }
.quiz-progress-track i { width: 10%; }
.quiz-progress-row span:last-child { text-align: right; }
.quiz-card { min-height: 430px; margin-top: 13px; padding: clamp(28px, 5vw, 54px); border: 1px solid var(--line); border-radius: 26px; background: var(--panel); box-shadow: var(--shadow); }
.quiz-tag { display: inline-flex; padding: 6px 9px; border-radius: 999px; background: rgba(83,167,255,.09); color: #225fb6; font-size: 0.875rem; font-weight: 800; letter-spacing: .12em; }
.quiz-card h2 { margin: 28px 0 12px; color: var(--cream); font-family: Georgia, serif; font-size: clamp(27px, 4vw, 42px); font-weight: 500; line-height: 1.2; }
.quiz-card .context { color: var(--muted); font-size: 0.875rem; }
.reveal-box { margin-top: 32px; padding: 22px; border: 1px dashed var(--line-strong); border-radius: 14px; color: var(--muted); text-align: center; cursor: pointer; }
.revealed-answer { margin-top: 27px; padding: 21px; border-left: 3px solid var(--lime); border-radius: 0 13px 13px 0; background: rgba(25,94,181,.055); }
.revealed-answer h3 { margin: 0; color: var(--cream); font-size: 1.25rem; }
.revealed-answer p { margin: 8px 0 0; color: #172b45; font-size: 0.875rem; line-height: 1.65; }
.confidence-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 22px; }
.confidence-row button { min-height: 44px; border: 1px solid var(--line); border-radius: 10px; background: rgba(23,43,69,.02); cursor: pointer; font-size: 0.875rem; }
.confidence-row button:hover { border-color: var(--line-strong); }
.confidence-row button[data-grade="again"] { color: #b52c3d; }
.confidence-row button[data-grade="hard"] { color: var(--gold); }
.confidence-row button[data-grade="easy"] { color: var(--lime); }
.quiz-options { display: grid; gap: 9px; margin-top: 28px; }
.quiz-input-row { display: flex; gap: 9px; margin-top: 28px; }
.quiz-input-row input { flex: 1; min-width: 0; padding: 0 15px; border: 1px solid var(--line); border-radius: 11px; background: rgba(23,43,69,.035); color: var(--ink); }
.session-summary { max-width: 850px; margin: 20px auto; padding: 30px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); text-align: center; }
.session-summary.is-hidden { display: none; }

.inventory-toolbar { align-items: stretch; }
.search-field { display: flex; align-items: center; gap: 9px; flex: 1; min-width: 240px; max-width: 560px; padding: 0 13px; border: 1px solid var(--line); border-radius: 12px; background: rgba(23,43,69,.025); color: var(--muted); }
.search-field input { width: 100%; min-height: 44px; border: 0; outline: 0; background: transparent; color: var(--ink); }
.filter-row { display: flex; gap: 6px; overflow-x: auto; }
.inventory-list { display: grid; border-top: 1px solid var(--line); }
.inventory-row { display: grid; grid-template-columns: minmax(200px, 1.1fr) .6fr 1.1fr 1.3fr 34px; gap: 18px; align-items: center; min-height: 88px; padding: 14px 10px; border-bottom: 1px solid var(--line); cursor: pointer; }
.inventory-row:hover { background: rgba(23,43,69,.025); }
.inventory-row h3 { margin: 0; color: var(--cream); font-size: 0.875rem; }
.inventory-row .aliases { margin: 4px 0 0; color: var(--muted-2); font-size: 0.875rem; }
.inventory-cell-label { display: block; margin-bottom: 3px; color: var(--muted-2); font-size: 0.875rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.inventory-row p { margin: 0; color: var(--muted); font-size: 0.875rem; }
.kind-badge { display: inline-flex; padding: 5px 8px; border-radius: 999px; background: rgba(255,102,93,.09); color: #b52c3d; font-size: 0.875rem; }
.kind-badge.veia { background: rgba(83,167,255,.09); color: #225fb6; }
.kind-badge.outro { background: rgba(233,196,106,.09); color: var(--gold); }
.favorite-button { display: grid; place-items: center; width: 30px; height: 30px; border: 0; background: transparent; color: var(--muted-2); cursor: pointer; font-size: 1.0625rem; }
.favorite-button.is-active { color: var(--gold); }
.load-more { display: flex; margin: 24px auto 0; }

.plan-summary { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 12px; padding: 22px 0; }
.plan-stat { padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: rgba(23,43,69,.02); }
.plan-stat strong { display: block; color: var(--cream); font-size: 1.6875rem; }
.plan-stat span { color: var(--muted); font-size: 0.875rem; }
.timeline { position: relative; display: grid; gap: 12px; margin: 8px 0 40px; }
.timeline::before { content: ""; position: absolute; left: 72px; top: 18px; bottom: 18px; width: 1px; background: var(--line-strong); }
.day-card { position: relative; display: grid; grid-template-columns: 58px 36px 1fr auto; gap: 15px; align-items: center; min-height: 108px; padding: 15px 18px 15px 0; border: 1px solid var(--line); border-radius: 15px; background: rgba(23,43,69,.02); }
.day-date { text-align: center; }
.day-date strong,
.day-date span { display: block; }
.day-date strong { color: var(--cream); font-size: 1.1875rem; }
.day-date span { color: var(--muted-2); font-size: 0.875rem; text-transform: uppercase; }
.day-check { position: relative; z-index: 1; display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--bg-soft); cursor: pointer; }
.day-card.is-done .day-check { border-color: var(--success); background: var(--success); color: #fff; }
.day-card.is-today { border-color: rgba(25,94,181,.3); background: rgba(25,94,181,.035); }
.day-copy h3 { margin: 0; color: var(--cream); font-size: 0.875rem; }
.day-copy p { margin: 4px 0 0; color: var(--muted); font-size: 0.875rem; }
.day-tasks { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.day-tasks span { padding: 4px 7px; border-radius: 999px; background: rgba(23,43,69,.04); color: var(--muted); font-size: 0.875rem; }
.day-duration { color: var(--muted-2); font-size: 0.875rem; white-space: nowrap; }
.protocol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; margin-top: 23px; }
.protocol-grid article { padding: 17px; border: 1px solid var(--line); border-radius: 12px; }
.protocol-grid span { color: var(--lime); font-size: 0.875rem; font-weight: 800; }
.protocol-grid h3 { margin: 17px 0 7px; font-size: 0.875rem; }
.protocol-grid p { margin: 0; color: var(--muted); font-size: 0.875rem; line-height: 1.6; }

.source-toolbar label { color: var(--muted); font-size: 0.875rem; }
.source-toolbar input { width: 75px; min-height: 38px; margin-left: 7px; padding: 0 9px; border: 1px solid var(--line); border-radius: 9px; background: rgba(23,43,69,.03); color: var(--ink); }
.source-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.source-page { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); cursor: zoom-in; }
.source-page img { display: block; width: 100%; aspect-ratio: .76; object-fit: cover; object-position: top; background: #eceae6; }
.source-page footer { display: flex; justify-content: space-between; gap: 8px; padding: 10px 11px; }
.source-page b { font-size: 0.875rem; }
.source-page span { color: var(--muted); font-size: 0.875rem; }
.source-page-dialog { width: min(94vw, 1100px); max-height: 94vh; padding: 0; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--bg-soft); color: var(--ink); }
.source-page-dialog::backdrop { background: rgba(0,0,0,.82); }
.source-page-dialog img { display: block; max-width: 100%; max-height: 84vh; margin: auto; }
.source-page-dialog footer { display: flex; justify-content: space-between; align-items: center; padding: 11px 15px; }
.source-page-dialog button { border: 1px solid var(--line); border-radius: 8px; background: rgba(23,43,69,.04); color: var(--ink); cursor: pointer; }

.search-dialog {
  width: min(92vw, 740px);
  margin-top: 11vh;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.search-dialog::backdrop { background: rgba(0,0,0,.7); backdrop-filter: blur(5px); }
.search-dialog-shell { margin: 0; }
.dialog-search-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 16px; border-bottom: 1px solid var(--line); color: var(--muted); }
.dialog-search-row input { min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 1rem; }
.dialog-search-row button { padding: 5px 7px; border: 1px solid var(--line); border-radius: 6px; background: rgba(23,43,69,.03); color: var(--muted); font-size: 0.875rem; cursor: pointer; }
.search-results { max-height: 55vh; overflow: auto; padding: 8px; }
.search-result { display: grid; grid-template-columns: 1fr auto; gap: 12px; width: 100%; padding: 12px; border: 0; border-radius: 10px; background: transparent; color: var(--ink); cursor: pointer; text-align: left; }
.search-result:hover { background: rgba(23,43,69,.045); }
.search-result b,
.search-result small { display: block; }
.search-result small { margin-top: 3px; color: var(--muted); }
.search-result span { align-self: center; color: var(--muted-2); font-size: 0.875rem; text-transform: uppercase; }

.toast { position: fixed; right: 24px; bottom: 24px; z-index: 200; max-width: 340px; padding: 12px 16px; border: 1px solid var(--line-strong); border-radius: 11px; background: #ffffff; box-shadow: var(--shadow); color: var(--ink); font-size: 0.875rem; opacity: 0; transform: translateY(15px); pointer-events: none; transition: .2s ease; }
.toast.is-visible { opacity: 1; transform: none; }
.mobile-nav { display: none; }

@media (max-width: 1160px) {
  .desktop-nav { display: none; }
  .topbar { grid-template-columns: 1fr auto; }
  .hero { grid-template-columns: 1fr .62fr; gap: 35px; }
  .hero h1 { font-size: clamp(46px, 6.4vw, 72px); }
  .foundation-grid { grid-template-columns: repeat(2, 1fr); }
  .body-route { grid-template-columns: 1fr .38fr 1fr .38fr 1fr; }
  .body-route > :nth-child(n+6) { display: none; }
  .recognition-steps { grid-template-columns: repeat(3, 1fr); }
  .source-gallery { grid-template-columns: repeat(3, 1fr); }
  .protocol-grid { grid-template-columns: repeat(2, 1fr); }
  .correction-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  main { padding-bottom: 98px; }
  .topbar { min-height: 64px; padding: 8px 16px; }
  .brand-mark { width: 37px; height: 37px; }
  .brand strong { font-size: 0.875rem; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 48px; }
  .mission-card { max-width: 520px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .page-head { align-items: flex-start; padding-top: 44px; }
  .map-layout,
  .lab-layout { grid-template-columns: 1fr; }
  .structure-drawer { position: static; }
  .flow-map { min-height: 500px; }
  .lab-layout { min-height: 0; }
  .specimen-stage { min-height: 480px; }
  .contrast-strip { grid-template-columns: 1fr; }
  .training-modes { grid-template-columns: repeat(2, 1fr); }
  .inventory-row { grid-template-columns: 1fr auto; gap: 8px; }
  .inventory-row > :nth-child(2),
  .inventory-row > :nth-child(3),
  .inventory-row > :nth-child(4) { grid-column: 1 / -1; }
  .inventory-row > :nth-child(2) { grid-row: 2; }
  .inventory-row > :nth-child(3) { grid-row: 3; }
  .inventory-row > :nth-child(4) { grid-row: 4; }
  .source-gallery { grid-template-columns: repeat(2, 1fr); }
  .mobile-nav { position: fixed; left: 50%; bottom: 9px; z-index: 110; display: grid; grid-template-columns: repeat(6, 1fr); width: min(96vw, 620px); padding: 5px; transform: translateX(-50%); border: 1px solid var(--line-strong); border-radius: 16px; background: rgba(9,20,24,.94); backdrop-filter: blur(17px); box-shadow: var(--shadow); }
  .mobile-nav button { display: grid; place-items: center; gap: 1px; min-height: 47px; border: 0; border-radius: 11px; background: transparent; color: var(--muted); cursor: pointer; font-size: 0.875rem; }
  .mobile-nav button span { font-size: 1rem; }
  .mobile-nav button.is-active { background: rgba(23,43,69,.07); color: var(--lime); }
}

@media (max-width: 590px) {
  .top-actions .icon-button { display: none; }
  .countdown-chip { min-width: 78px; }
  .hero { gap: 25px; }
  .hero h1 { font-size: 2.6875rem; }
  .hero-lede { font-size: 1rem; }
  .hero-actions > * { width: 100%; }
  .mission-card { padding: 20px; }
  .foundation-grid { grid-template-columns: 1fr; }
  .foundation-card { min-height: 220px; }
  .section-heading,
  .page-head { display: block; }
  .section-heading > p,
  .page-head > :last-child { margin-top: 17px; }
  .route-preview { padding: 21px; }
  .body-route { grid-template-columns: 1fr; gap: 13px; }
  .route-arrow { width: 1px; height: 23px; margin: auto; }
  .route-arrow::after { right: -3px; top: auto; bottom: 0; transform: rotate(135deg); }
  .body-route > :nth-child(n+6) { display: block; }
  .route-node { min-height: 86px; }
  .map-layout { margin-left: -6px; margin-right: -6px; }
  .flow-map { padding: 18px 12px; }
  .flow-map-inner { min-width: 610px; }
  .lab-toolbar,
  .inventory-toolbar,
  .source-toolbar { align-items: stretch; flex-direction: column; }
  .recognition-steps { grid-template-columns: 1fr; }
  .training-modes { grid-template-columns: 1fr 1fr; }
  .quiz-card { padding: 25px 20px; }
  .confidence-row { grid-template-columns: 1fr; }
  .plan-summary { grid-template-columns: 1fr; }
  .timeline::before { left: 57px; }
  .day-card { grid-template-columns: 44px 29px 1fr; padding-right: 12px; gap: 9px; }
  .day-duration { grid-column: 3; }
  .protocol-grid { grid-template-columns: 1fr; }
  .correction-grid { grid-template-columns: 1fr; }
  .source-gallery { grid-template-columns: 1fr 1fr; gap: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .001ms !important; }
}

/* Guided learning, verified photographic stations, and readable touch layouts. */
button:disabled { cursor: not-allowed; opacity: .5; }
.answer-option:disabled { cursor: default; opacity: 1; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }
.learning-status { display:flex; gap:24px; align-items:center; margin-top:22px; }
.learning-status > div { flex:1; }
.learning-status p, .progress-note, .progress-tools { font-size: 0.875rem; color:var(--muted); line-height:1.6; }
.progress-tools { display:flex; align-items:center; flex-wrap:wrap; gap:12px; margin:18px 0; }
.confidence-note { border-left:3px solid var(--gold); padding:12px; font-size: 0.875rem; background:rgba(226,182,105,.08); }
.source-links, .source-ref, .structure-chips { margin-top:10px; }
.source-ref { display:inline-block; margin:4px 6px 4px 0; padding:7px 10px; border:1px solid var(--line); border-radius:8px; background:var(--panel); color:var(--lime); cursor:pointer; font-size: 0.875rem; }
.structure-chips { display:flex; flex-wrap:wrap; gap:10px; }
.lesson-overview { display:flex; gap:18px; align-items:center; padding:20px 0; font-size: 0.875rem; color:var(--muted); }
.lesson-overview progress { flex:1; accent-color:var(--lime); height:9px; }
.lesson-layout { display:grid; grid-template-columns:260px minmax(0,1fr); gap:24px; align-items:start; }
.lesson-index { display:grid; gap:6px; position:sticky; top:100px; max-height:78vh; overflow:auto; }
.lesson-index button { display:grid; grid-template-columns:25px 1fr 30px; align-items:center; gap:9px; text-align:left; padding:13px 10px; border:1px solid var(--line); border-radius:10px; background:transparent; color:var(--ink); cursor:pointer; }
.lesson-index button[aria-current] { background:rgba(25,94,181,.08); border-color:var(--lime); }
.lesson-index button span, .lesson-index button small { color:var(--muted); font-size: 0.875rem; }
.lesson-index button b { font-weight:500; font-size: 0.875rem; }
.lesson-card { padding:clamp(20px,4vw,44px); border:1px solid var(--line); border-radius:20px; background:var(--panel); }
.lesson-card h2 { font-family:Georgia,serif; font-size:clamp(27px,3vw,40px); line-height:1.15; margin:12px 0 18px; }
.lesson-objective { color:var(--lime); font-size: 0.875rem; }
.lesson-prose { font-size: 1.0625rem; line-height:1.8; color:var(--ink); }
.lesson-prose p { margin:20px 0; }
.lesson-anchor { padding:20px; border-left:3px solid var(--lime); background:rgba(25,94,181,.055); border-radius:0 12px 12px 0; }
.lesson-anchor b { color:var(--lime); }
.lesson-anchor p { margin:8px 0 0; font-size: 0.9375rem; line-height:1.7; }
.route-exercise, .lesson-check, .lesson-references { margin-top:30px; padding-top:24px; border-top:1px solid var(--line); }
.route-exercise h3, .lesson-check h3, .lesson-references h3 { margin:0 0 10px; font-size: 1.125rem; }
.route-exercise > p, .lesson-check > p { font-size: 0.9375rem; color:var(--muted); line-height:1.7; }
.route-built { display:flex; flex-wrap:wrap; list-style:none; gap:8px; padding:0; }
.route-built li { padding:10px 12px; background:rgba(25,94,181,.08); border:1px solid rgba(25,94,181,.25); border-radius:9px; font-size: 0.875rem; }
.route-built li:not(:last-child)::after { content:' →'; color:var(--lime); }
.route-choices, .lesson-actions, .exam-actions { display:flex; flex-wrap:wrap; align-items:center; gap:12px; }
.route-choices .secondary-button { font-size: 0.875rem; min-height:44px; white-space:normal; text-align:left; }
.lesson-actions { margin-top:28px; justify-content:space-between; }
.lesson-actions > span { font-size: 0.875rem; color:var(--muted); }
.exercise-feedback { min-height:24px; margin-top:14px; color:var(--lime); font-size: 0.9375rem; line-height:1.7; }
.success-text { color:var(--lime)!important; }
.photo-lab-layout, .exam-layout { display:grid; grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr); gap:24px; align-items:start; }
.photo-scroll { width:100%; overflow:auto; border-radius:10px; border:1px solid var(--line); background:#f7f5ef; }
.photo-sheet { width:100%; position:relative; line-height:0; }
.photo-sheet img { display:block; width:100%; height:auto; max-width:none; max-height:none; margin:0; }
.photo-mask { display:flex; position:absolute; justify-content:center; align-items:center; background:#101b22; color:#d6f894; font-weight:800; font-family:Arial,sans-serif; font-size:clamp(12px,2vw,22px); line-height:1; box-shadow:inset 0 0 0 1px #54714e; overflow:hidden; }
.photo-mask:empty { background:#f7f5ef; box-shadow:none; }
.photo-caption { font-size: 0.875rem; line-height:1.6; color:var(--muted); }
.photo-answer-panel { padding:25px; border:1px solid var(--line); border-radius:16px; background:var(--panel); }
.photo-answer-panel h2 { margin-top:10px; }
.photo-answer-panel > p, .exam-layout form > p { font-size: 0.9375rem; line-height:1.7; color:var(--muted); }
.name-field { display:grid; gap:9px; margin:17px 0; font-size: 0.875rem; }
.name-field input, .name-field select { width:100%; min-width:0; min-height:48px; padding:12px; border:1px solid var(--line-strong); border-radius:10px; background:#ffffff; color:var(--ink); font-size: 1rem; }
.photo-result { border-left:3px solid var(--gold); padding:12px 15px; margin:16px 0; background:rgba(23,43,69,.03); }
.photo-result.correct { border-color:var(--lime); }
.photo-result p { font-size: 0.875rem; line-height:1.65; color:var(--muted); }
.quiz-shell.is-visual-exam { max-width:none; }
.is-visual-exam .quiz-card { padding:26px; }
.exam-review { margin:15px 0; border:1px solid var(--line); border-radius:12px; padding:16px; }
.exam-review summary { cursor:pointer; min-height:32px; }
.exam-review .photo-scroll { max-width:650px; }
.source-page-dialog header { position:sticky; top:0; z-index:3; display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:12px; padding:13px; background:#ffffff; border-bottom:1px solid var(--line); }
.source-page-dialog header b { font-size: 0.875rem; }
.source-page-dialog header button { padding:9px 12px; min-height:40px; }
.source-image-scroll { max-height:80vh; overflow:auto; }
.source-image-scroll img { width:100%; height:auto; max-height:none; }
.source-page-dialog.is-zoomed .source-image-scroll img { width:200%; max-width:none; }
.photo-zoom-dialog { width:min(96vw,1250px); }
.photo-zoom-dialog .photo-scroll { max-height:80vh; overflow:auto; }
.photo-zoom-dialog .photo-sheet { min-width:1000px; }
.photo-zoom-dialog .photo-caption { padding:0 14px; }
.flow-level { flex-wrap:wrap; }
.flow-map-inner { min-width:0; }
.flow-node { flex:1 1 150px; }
.flow-node small { font-size: 0.875rem; line-height:1.6; }
.flow-node[data-kind="seio"] { --node-color:var(--vein); }
.flow-node[data-kind="outro"] { --node-color:var(--gold); }
.structure-drawer .type-label.seio { color:#225fb6; background:rgba(83,167,255,.1); }
.detail-list dd, .pin-tip p, .inventory-row p, .contrast-card p { font-size: 0.875rem; }
.detail-list dt, .pin-tip b { font-size: 0.875rem; }
.answer-option { font-size: 0.9375rem; line-height:1.6; min-height:48px; }
.answer-option .letter { flex:none; }
.topbar { column-gap:14px; }
.countdown-chip > span { white-space:nowrap; }
.nav-item { padding-left:9px; padding-right:9px; }
.route-arrow.reverse::after { transform:rotate(45deg); }
@media(max-width:1160px) {
  main { padding-bottom:115px; }
  .mobile-nav { position:fixed; left:50%; bottom:9px; z-index:110; display:grid; grid-template-columns:repeat(8,minmax(44px,1fr)); width:min(96vw,720px); padding:5px; transform:translateX(-50%); border:1px solid var(--line-strong); border-radius:16px; background:rgba(9,20,24,.96); backdrop-filter:blur(17px); box-shadow:var(--shadow); overflow-x:auto; }
  .mobile-nav button { display:grid; place-items:center; gap:1px; min-height:48px; border:0; border-radius:11px; background:transparent; color:var(--muted); cursor:pointer; font-size: 0.875rem; }
  .mobile-nav button span { font-size: 1rem; }
  .mobile-nav button.is-active { background:rgba(23,43,69,.08); color:var(--lime); }
  .body-route { grid-template-columns:1fr; gap:10px; }
  .body-route > :nth-child(n+6) { display:block; }
  .route-arrow { width:1px; height:22px; margin:auto; }
  .route-arrow::after, .route-arrow.reverse::after { right:-3px; top:auto; bottom:0; transform:rotate(135deg); }
  .lesson-layout { grid-template-columns:210px minmax(0,1fr); gap:15px; }
}
@media(max-width:860px) {
  .learning-status { flex-direction:column; align-items:stretch; }
  .lesson-layout { grid-template-columns:1fr; }
  .lesson-index { position:static; display:flex; overflow-x:auto; max-height:none; padding:4px; }
  .lesson-index button { flex:0 0 210px; }
  .photo-lab-layout, .exam-layout { grid-template-columns:1fr; }
  .flow-map-inner { min-width:0; }
  .flow-map { min-height:0; }
  .structure-drawer { scroll-margin-top:85px; }
  .lesson-overview { flex-wrap:wrap; }
  .lesson-overview progress { min-width:150px; }
  .source-image-scroll { max-height:78vh; }
}
@media(max-width:590px) {
  .top-actions .icon-button { display:flex; }
  .top-actions { gap:5px; }
  .countdown-chip { min-width:65px; }
  .brand small { font-size: 0.875rem; }
  .hero h1 { font-size:clamp(31px,9vw,43px); }
  .lesson-card { padding:20px 16px; }
  .lesson-prose { font-size: 1rem; }
  .lesson-actions { align-items:stretch; }
  .lesson-actions .primary-button { flex:1; }
  .lesson-actions > span { width:100%; order:3; }
  .is-visual-exam .quiz-card { padding:18px 12px; }
  .photo-answer-panel { padding:20px 16px; }
  .progress-tools { align-items:stretch; }
  .flow-node { min-width:125px; flex-basis:130px; font-size: 0.875rem; }
}

/* Reading-first layout: comfortable type, clear surfaces and semantic accents. */
:root { color-scheme: light; --max: 1440px; --radius: 16px; --success: #17683e; }
html { scroll-padding-top: 150px; scroll-padding-bottom: 130px; }
body { background: var(--bg); font-size: 1rem; line-height: 1.6; }
body::before, .pulse-dot, .mission-card::after { display: none; }
button, input, select, summary, [role="button"] { touch-action: manipulation; }
button, select, input, summary { min-height: 44px; }
button { overflow-wrap: anywhere; }
input, select { font: inherit; }
a { color: var(--lime); text-underline-offset: .2em; }
::placeholder { color: var(--muted); opacity: 1; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.topbar { grid-template-columns: 1fr auto; padding: 12px clamp(16px, 4vw, 56px) 0; gap: 8px 20px; background: #fff; backdrop-filter: none; }
.brand { min-width: 0; }
.brand strong { font-size: 1.125rem; }
.brand small { font-size: .875rem; letter-spacing: .035em; text-transform: none; }
.brand-mark { flex-shrink: 0; background: #edf3fc; }
.top-actions { grid-column: 2; grid-row: 1; }
.desktop-nav { display: flex; grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; flex-wrap: wrap; gap: 4px; padding: 4px 0 8px; }
.nav-item { font-size: 1rem; padding: 9px 17px; color: var(--muted); }
.nav-item.is-active { color: var(--lime); background: #eaf2ff; box-shadow: inset 0 -3px var(--lime); font-weight: 750; }
.nav-item:hover { background: #eaf0f8; }
.icon-button { width: 44px; height: 44px; background: #fff; border-color: var(--line-strong); }
.countdown-chip { height: auto; min-height: 44px; background: #eaf2ff; border-color: #a6bedf; }
.countdown-chip small { font-size: .875rem; line-height: 1.4; }
main { padding: 0 clamp(16px, 4vw, 56px) 60px; }
.hero { grid-template-columns: minmax(0, 1.5fr) minmax(270px, .8fr); min-height: auto; padding: 32px 0; gap: 36px; }
.hero h1, .page-head h1 { font-family: inherit; font-weight: 750; line-height: 1.15; letter-spacing: -.035em; }
.hero h1 { font-size: clamp(2rem, 3.8vw, 3.25rem); }
.hero h1 em { font-style: normal; font-weight: inherit; }
.hero-lede { max-width: 58ch; margin-top: 16px; font-size: 1.125rem; line-height: 1.65; }
.hero-actions { margin-top: 22px; }
.eyebrow, .kicker { font-size: .875rem; letter-spacing: .065em; line-height: 1.5; }
.primary-button, .secondary-button { padding: 12px 20px; min-height: 48px; line-height: 1.5; font-size: 1rem; }
.primary-button { color: #fff; }
.primary-button:hover { background: #124b94; border-color: #124b94; }
.secondary-button { background: #fff; border-color: var(--line-strong); }
.secondary-button:hover { background: #eaf2ff; border-color: var(--lime); }
.secondary-button.compact { font-size: 1rem; min-height: 44px; padding: 9px 14px; }
.text-button { min-height: 44px; font-size: 1rem; text-align: left; text-decoration: underline; text-underline-offset: .2em; }
.mission-card { display: grid; grid-template-columns: auto 1fr; gap: 12px 18px; padding: 22px; border-radius: 16px; box-shadow: none; background: #fff; }
.mission-card-head { grid-column: 1 / -1; font-size: .875rem; letter-spacing: .035em; flex-wrap: wrap; gap: 8px; }
.target-visual { width: auto; max-width: none; margin: 8px 0; }
.target-visual svg { display: none; }
.target-copy { position: static; }
.target-copy strong { font-size: 2.5rem; line-height: 1.2; }
.target-copy small { font-size: .875rem; }
.score-equation { flex-wrap: wrap; gap: 7px; padding: 8px 0; border: 0; font-size: .875rem; }
.mission-card > p { grid-column: 1 / -1; margin: 0; font-size: .875rem; }
.panel, .foundation-card, .flow-map, .contrast-card, .training-mode, .plan-stat, .protocol-grid article, .day-card { background: #fff; }
.panel-heading h2, .section-heading h2, .structure-drawer h2, .lesson-card h2, .lab-question h2, .quiz-card h2 { font-family: inherit; font-weight: 700; line-height: 1.3; letter-spacing: -.025em; }
.panel-heading h2, .section-heading h2 { font-size: clamp(1.375rem, 2vw, 1.75rem); }
.panel-heading, .section-heading { flex-wrap: wrap; gap: 12px; }
.time-badge, .quiz-tag { color: var(--vein); background: #edf3fc; }
.today-step { grid-template-columns: 36px minmax(0, 1fr) auto; padding: 16px 8px; }
.today-step b { font-size: 1.125rem; }
.today-step small, .today-step time { font-size: .875rem; line-height: 1.55; }
.today-step.is-done .step-index { background: var(--success); border-color: var(--success); color: #fff; }
.region-progress-item { grid-template-columns: minmax(125px, 1.1fr) 1fr 40px; font-size: .9375rem; }
.progress-track, .quiz-progress-track { background: #dce5f0; height: 8px; }
.progress-track i, .quiz-progress-track i { background: var(--lime); }
.learning-status { padding: 22px 26px; }
.learning-status p, .progress-note, .progress-tools { font-size: 1rem; }
.section-block { margin-top: 44px; }
.section-heading > p { max-width: 60ch; font-size: 1rem; }
.foundation-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.foundation-card { display: flex; flex-direction: column; min-height: 0; gap: 12px; }
.foundation-card h3 { margin: 0; font-size: 1.25rem; }
.foundation-card p { font-size: 1.125rem; line-height: 1.65; }
.foundation-card button { position: static; margin-top: auto; padding: 8px 0 0; text-align: left; font-size: 1rem; cursor: pointer; }
.foundation-card::after, .correction-card i { display: none; }
.correction-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.correction-card { background: #fff9ed; border-color: #d7b776; padding: 24px; }
.correction-card h3 { font-size: 1.25rem; }
.correction-card p { font-size: 1rem; line-height: 1.65; }
.route-node b { font-size: 1rem; }
.route-node small { font-size: .875rem; }
.route-arrow span { background: var(--bg); padding: 0 4px; }
.day-check { width: 44px; height: 44px; }
.day-card { grid-template-columns: 58px 44px minmax(0, 1fr) auto; }
.day-copy h3 { font-size: 1.125rem; }
.day-copy p { font-size: 1rem; }
.page-head { padding: 28px 0 22px; gap: 20px; }
.page-head h1 { font-size: clamp(1.875rem, 3vw, 2.5rem); }
.page-head p:not(.eyebrow) { font-size: 1.125rem; line-height: 1.65; }
.region-tab, .filter-chip, .mode-chip, .segment-button { min-height: 44px; font-size: 1rem; }
.region-tab.is-active, .filter-chip.is-active, .mode-chip.is-active, .segment-button.is-active, .training-mode.is-active { background: #eaf2ff; border-color: var(--lime); color: var(--lime); }
.flow-map { background: #f9fbfe; }
.flow-node { font-size: 1rem; min-width: 160px; max-width: 250px; padding: 14px; }
.flow-node small { font-size: .875rem; }
.flow-level { gap: 12px; padding: 12px; background: #edf2f8; }
.structure-drawer { top: 150px; }
.structure-drawer .type-label { color: var(--artery); }
.structure-drawer .type-label.veia, .structure-drawer .type-label.seio { color: var(--vein); }
.structure-drawer .type-label.porta { color: var(--portal); }
.detail-list dd, .pin-tip p, .inventory-row p, .contrast-card p { font-size: 1.0625rem; line-height: 1.65; }
.detail-list dt, .pin-tip b, .inventory-cell-label { font-size: .875rem; letter-spacing: .035em; }
.map-note, .answer-feedback, .revealed-answer p, .recognition-steps small, .protocol-grid p { font-size: 1rem; line-height: 1.65; }
.training-mode b, .inventory-row h3, .contrast-card h3 { font-size: 1.125rem; }
.training-mode small { font-size: .9375rem; }
.answer-option { font-size: 1.125rem; min-height: 52px; padding: 12px 16px; background: #fff; border-color: var(--line-strong); }
.answer-option.is-correct { border-color: var(--success); background: #edf8f1; }
.answer-option.is-wrong { border-color: var(--artery); background: #fff0f1; }
.answer-feedback b, .success-text, .photo-result.correct > b { color: var(--success) !important; }
.confidence-row button { font-size: 1rem; padding: 12px; }
.confidence-row button[data-grade="easy"] { color: var(--success); }
.quiz-card .context { font-size: 1.125rem; }
.inventory-row { grid-template-columns: minmax(180px,1fr) .6fr 1fr 1.1fr 44px; }
.favorite-button { width: 44px; height: 44px; }
.source-page footer { flex-wrap: wrap; }
.source-page b, .source-page span { font-size: .875rem; }
.search-field, .quiz-input-row input, .name-field input, .name-field select { background: #fff; border-color: var(--line-strong); }
.dialog-search-row button { font-size: .875rem; padding: 8px; }
.toast { bottom: 24px; font-size: 1rem; }
.lesson-layout { grid-template-columns: 280px minmax(0, 1fr); gap: 24px; }
.lesson-index { top: 150px; max-height: calc(100dvh - 174px); padding: 4px; }
.lesson-index button { background: #fff; grid-template-columns: 2ch minmax(0, 1fr) 3ch; padding: 14px 12px; }
.lesson-index button b { font-size: 1rem; line-height: 1.5; }
.lesson-index button span, .lesson-index button small { font-size: .875rem; white-space: nowrap; }
.lesson-index button[aria-current] { border-color: var(--lime); background: #eaf2ff; box-shadow: inset 3px 0 var(--lime); }
.lesson-card { padding: clamp(20px, 3vw, 40px); }
.lesson-card h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
.lesson-prose { font-size: 1.125rem; line-height: 1.75; max-width: 68ch; }
.lesson-objective, .lesson-anchor p, .route-exercise > p, .lesson-check > p, .photo-answer-panel > p, .photo-result p { font-size: 1.0625rem; line-height: 1.65; }
.lesson-overview { font-size: 1rem; }
.lesson-actions > span, .photo-caption, .source-ref, .route-built li { font-size: 1rem; }
.route-choices .secondary-button { font-size: 1rem; }
.source-ref { min-height: 44px; }
.lesson-module-picker { display: none; }
.mobile-nav { display: none; }
.skip-link { background: var(--lime); color: #fff; }
.lesson-card, #lesson-root, #quiz-card { scroll-margin-top: 150px; }
@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; gap: 24px; }
  .mission-card { max-width: none; grid-template-columns: 1fr 1fr; }
  .dashboard-grid, .map-layout, .photo-lab-layout, .exam-layout { grid-template-columns: minmax(0, 1fr); }
  .structure-drawer { position: static; }
  .lesson-layout { grid-template-columns: minmax(0, 1fr); }
  .lesson-index { display: none; }
  .lesson-module-picker { display: grid; gap: 8px; font-weight: 650; }
  .lesson-module-picker select { width: 100%; min-width: 0; padding: 12px; border: 1px solid var(--line-strong); border-radius: 10px; background: #fff; color: var(--ink); font-size: 1rem; }
  .inventory-row { grid-template-columns: minmax(0,1fr) 44px; }
  .inventory-row > :nth-child(2), .inventory-row > :nth-child(3), .inventory-row > :nth-child(4) { grid-column: 1 / -1; }
  .inventory-row > :nth-child(2) { grid-row: 2; }
  .inventory-row > :nth-child(3) { grid-row: 3; }
  .inventory-row > :nth-child(4) { grid-row: 4; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 96px; }
  .topbar { padding: 10px 16px; gap: 10px; }
  .desktop-nav { display: none; }
  main { padding: 0 16px calc(140px + env(safe-area-inset-bottom)); }
  .brand-mark { display: none; }
  .brand strong { font-size: 1rem; }
  .brand small { font-size: .875rem; }
  .countdown-chip { min-width: 0; padding: 5px 8px; gap: 5px; }
  .countdown-chip small { display: none; }
  .hero { padding-top: 24px; }
  .hero h1 { font-size: 2rem; }
  .hero-lede { font-size: 1.125rem; }
  .foundation-grid, .correction-grid, .contrast-strip { grid-template-columns: minmax(0, 1fr); }
  .page-head { padding-top: 24px; }
  .page-head h1 { font-size: 1.875rem; }
  .today-panel, .coverage-panel, .learning-status { padding: 20px; }
  .today-step { grid-template-columns: 30px minmax(0, 1fr); gap: 10px; }
  .today-step time { grid-column: 2; }
  .region-progress-item { grid-template-columns: minmax(0, 1fr) 42px; gap: 6px; }
  .region-progress-item .progress-track { grid-row: 2; grid-column: 1 / -1; }
  .region-progress-item strong { grid-column: 2; grid-row: 1; }
  .training-modes { grid-template-columns: 1fr; }
  .day-card { grid-template-columns: 44px 44px minmax(0, 1fr); gap: 9px; }
  .day-duration { grid-column: 3; }
  .lesson-card, #lesson-root, #quiz-card { scroll-margin-top: 100px; }
  .lesson-card { padding: 24px 18px; }
  .lesson-prose { font-size: 1.125rem; }
  .lesson-overview progress { flex-basis: 100%; order: 3; }
  .quiz-input-row, .learning-status { flex-direction: column; align-items: stretch; }
  .quiz-input-row input { min-height: 48px; }
  .quiz-progress-row { grid-template-columns: auto minmax(30px, 1fr) auto; letter-spacing: 0; }
  .flow-node { min-width: 0; max-width: none; flex-basis: 100%; font-size: 1rem; }
  .flow-level { padding: 10px; }
  .source-gallery { grid-template-columns: 1fr; }
  .mobile-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); position: fixed; left: 0; bottom: 0; width: 100%; transform: none; padding: 6px 8px calc(6px + env(safe-area-inset-bottom)); gap: 3px; border: 0; border-top: 1px solid var(--line-strong); border-radius: 0; background: #fff; box-shadow: 0 -4px 20px #172b4510; overflow: visible; backdrop-filter: none; }
  .mobile-nav button { display: flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 2px; font-size: .875rem; line-height: 1.4; color: var(--muted); }
  .mobile-nav button span { display: none; }
  .mobile-nav button.is-active { background: #eaf2ff; color: var(--lime); font-weight: 750; box-shadow: inset 0 -3px var(--lime); }
  .toast { bottom: 125px; left: 16px; right: 16px; }
}