:root {
  color-scheme: light;
  --ink: #17211d;
  --muted: #5d6b64;
  --line: #dbe4df;
  --panel: #ffffff;
  --soft: #f4f8f6;
  --accent: #16715d;
  --accent-dark: #0e4c3f;
  --warning: #9a5b13;
  --good: #0e6a45;
  --bad: #b23b3b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #eef4f1;
  overflow-x: hidden;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  padding: 24px;
  max-width: 100%;
  min-width: 0;
}

.content-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
  min-width: 0;
}

.simple-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  max-width: 100%;
  min-width: 0;
}

.simple-nav a,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 8px;
  padding: 0 14px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: none;
}

.simple-nav a[aria-current="page"],
.link-button {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.content-page {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
  min-width: 0;
}

.content-page.narrow {
  max-width: 760px;
}

.lead {
  font-size: 1.08rem;
}

.content-page section {
  margin-top: 28px;
}

.step-list {
  color: var(--muted);
  line-height: 1.8;
  padding-left: 20px;
}

.tag-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-grid span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--accent-dark);
  background: var(--soft);
  font-weight: 800;
}

.topic-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.topic-card-grid a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--soft);
  text-decoration: none;
}

.topic-card-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
}

.topic-card-grid span {
  color: var(--muted);
  line-height: 1.45;
}

.cta-band,
.price-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: var(--soft);
}

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.price-row strong {
  color: var(--accent-dark);
  font-size: 2.2rem;
}

.check-grid,
.mistake-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mistake-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.check-grid div,
.mistake-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--soft);
}

.check-grid strong,
.mistake-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
}

.check-grid p,
.mistake-grid p {
  margin: 0;
}

.check-list {
  display: grid;
  gap: 9px;
}

.timeline-list li {
  margin-bottom: 10px;
}

.timeline-list strong {
  color: var(--accent-dark);
}

.source-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.source-links a,
.secondary-link {
  background: #fff;
  color: var(--accent-dark);
  border-color: var(--line);
}

.sidebar-links {
  display: grid;
  gap: 8px;
}

.sidebar-links a {
  color: var(--accent-dark);
  font-weight: 800;
  line-height: 1.35;
  text-decoration: none;
}

.sidebar-links a:hover {
  text-decoration: underline;
}

.quiz-panel,
.context-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-width: 0;
}

.quiz-panel {
  padding: 28px;
}

.context-panel {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: anywhere;
}

h1 {
  margin-bottom: 0;
  font-size: 2rem;
  line-height: 1.12;
}

h2 {
  font-size: 1.45rem;
  line-height: 1.2;
}

p {
  color: var(--muted);
  line-height: 1.55;
}

.score-pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--accent-dark);
  font-weight: 800;
  background: var(--soft);
}

.topbar-pills {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 0 0 auto;
}

.hidden {
  display: none !important;
}

.timer-pill {
  color: #7a3f0a;
  background: #fff8ea;
  border-color: #ead5aa;
}

.notice {
  margin: 22px 0;
  padding: 12px 14px;
  border: 1px solid #ead5aa;
  background: #fff8ea;
  color: var(--warning);
  border-radius: 8px;
  line-height: 1.45;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: stretch;
}

.mini-card,
.offer-box,
.source-card,
.status-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--soft);
}

.mini-card-header {
  font-weight: 800;
  margin-bottom: 12px;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.primary-button,
.secondary-button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  background: var(--accent);
  color: #fff;
}

.primary-button:hover {
  background: var(--accent-dark);
}

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

.secondary-button {
  background: #e4eee9;
  color: var(--accent-dark);
}

.secondary-button:disabled {
  color: #8a9992;
  cursor: not-allowed;
}

.question-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--muted);
  font-weight: 800;
}

.options {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.option-button {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  padding: 14px;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.option-button:hover {
  border-color: var(--accent);
}

.option-button.correct {
  border-color: var(--good);
  background: #ecf8f1;
}

.option-button.incorrect {
  border-color: var(--bad);
  background: #fff0f0;
}

.option-button.selected {
  border-color: var(--accent);
  background: #edf8f4;
  box-shadow: inset 0 0 0 1px var(--accent);
}

.option-button:disabled {
  cursor: default;
}

.feedback {
  min-height: 84px;
  border-radius: 8px;
  padding: 14px;
  background: var(--soft);
  border: 1px solid var(--line);
}

.feedback:empty {
  display: none;
}

.practice-controls {
  max-width: 360px;
  margin: 18px 0 14px;
}

.practice-controls label {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-weight: 800;
}

.practice-controls select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

.actions {
  display: flex;
  justify-content: end;
  margin-top: 16px;
}

.result-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 18px;
}

.topic-list {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 0 0 22px;
}

.answer-review {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.answer-review:empty {
  display: none;
}

.review-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.review-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.review-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
}

.review-card p {
  margin: 8px 0 0;
}

.diagnosis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.diagnosis-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.diagnosis-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.diagnosis-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
  line-height: 1.25;
}

.diagnosis-card p {
  margin: 0;
  font-size: 0.94rem;
}

.topic-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.lead-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--soft);
}

.study-plan {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.plan-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.plan-row > span {
  color: var(--accent);
  font-weight: 800;
}

.plan-row strong {
  display: block;
  color: var(--accent-dark);
  margin-bottom: 4px;
}

.plan-row p {
  margin: 0;
}

.lead-form label {
  display: block;
  margin: 14px 0;
  color: var(--ink);
  font-weight: 800;
}

.lead-form label span {
  color: var(--muted);
  font-weight: 500;
}

.lead-form input {
  width: 100%;
  height: 44px;
  margin-top: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}

.form-note {
  margin: 12px 0 0;
  font-size: 0.9rem;
}

.status-card {
  display: flex;
  gap: 12px;
}

.status-card p {
  margin: 4px 0 0;
}

.status-dot {
  width: 12px;
  height: 12px;
  margin-top: 4px;
  border-radius: 999px;
  background: var(--accent);
  flex: 0 0 auto;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.admin-metrics {
  max-width: 420px;
  margin: 22px 0;
}

.funnel-grid {
  margin: 12px 0 4px;
}

.lead-table {
  display: grid;
  gap: 10px;
}

.lead-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.lead-row span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.metric-grid div {
  min-height: 84px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.metric-grid strong {
  display: block;
  font-size: 1.35rem;
  color: var(--accent-dark);
}

.metric-grid span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.3;
}

@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
    padding: 14px;
    gap: 14px;
  }

  .context-panel {
    order: 2;
  }

  .start-grid {
    grid-template-columns: 1fr;
  }

  .diagnosis-grid {
    grid-template-columns: 1fr;
  }

  .check-grid,
  .mistake-grid,
  .source-links,
  .topic-card-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.55rem;
  }
}

@media (max-width: 560px) {
  body {
    background: #f3f7f5;
  }

  .app-shell,
  .content-shell {
    padding: 10px;
  }

  .quiz-panel,
  .context-panel,
  .content-page {
    padding: 14px;
    overflow-x: hidden;
  }

  .simple-nav {
    flex-wrap: nowrap;
    gap: 8px;
    margin: -2px -2px 12px;
    overflow-x: auto;
    max-width: 100%;
    padding: 2px 2px 6px;
    scrollbar-width: none;
  }

  .simple-nav::-webkit-scrollbar {
    display: none;
  }

  .simple-nav a,
  .link-button {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 12px;
    white-space: nowrap;
  }

  .topbar,
  .question-meta {
    flex-direction: column;
    gap: 10px;
  }

  .topbar-pills {
    align-self: stretch;
    justify-content: space-between;
  }

  .notice {
    margin: 14px 0;
    padding: 10px 12px;
  }

  .start-grid {
    gap: 14px;
  }

  .mini-card,
  .offer-box,
  .source-card,
  .status-card,
  .lead-form,
  .review-card,
  .plan-row,
  .diagnosis-card,
  .topic-row,
  .check-grid div,
  .mistake-grid div,
  .topic-card-grid a,
  .cta-band,
  .price-card {
    padding: 12px;
  }

  .practice-controls {
    margin: 14px 0 12px;
  }

  .options {
    gap: 8px;
    margin: 16px 0;
  }

  .option-button {
    min-height: 50px;
    padding: 12px;
  }

  .feedback {
    min-height: 0;
    padding: 12px;
  }

  .result-header {
    padding-bottom: 12px;
    margin-bottom: 12px;
  }

  .diagnosis-grid {
    gap: 8px;
    margin-bottom: 12px;
  }

  .diagnosis-card span,
  .eyebrow {
    font-size: 0.72rem;
  }

  .topic-list {
    gap: 8px;
    margin-bottom: 14px;
  }

  .result-actions {
    margin-bottom: 14px;
  }

  .answer-review {
    margin-bottom: 14px;
  }

  .plan-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .content-page section {
    margin-top: 22px;
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .metric-grid div {
    min-height: 76px;
    padding: 12px;
  }

  .lead {
    font-size: 1rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  p,
  .step-list,
  ul {
    line-height: 1.5;
  }
}