.lesson-header-name,
.lesson-badge {
  font: 800 0.8rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lesson-badge {
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  background: var(--moss);
  color: var(--accent-ink);
}

.lesson-header-name { color: var(--faint); }

.lesson-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.7fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: end;
  min-height: 710px;
  padding-block: clamp(5rem, 10vw, 8rem);
}

.lesson-hero h1 {
  max-width: 850px;
  font-size: clamp(3.15rem, 5.7vw, 5.85rem);
  line-height: 1.06;
}

.lesson-hero-copy > p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.1rem, 1.7vw, 1.26rem);
}

code {
  color: var(--moss);
  font-family: var(--mono);
}

.lesson-hero-copy code {
  padding: 0.18em 0.38em;
  border: 1px solid color-mix(in srgb, var(--moss) 32%, var(--line));
  border-radius: 5px;
  background: color-mix(in srgb, var(--moss) 7%, transparent);
  font-size: 0.86em;
}

.lesson-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.8rem;
}

.lesson-tags span {
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font: 700 0.78rem/1 var(--mono);
}

.dragon-counsel {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: radial-gradient(circle at 0 0, color-mix(in srgb, var(--ember) 8%, transparent), transparent 18rem), var(--panel);
}

.dragon-counsel.compact {
  position: relative;
  isolation: isolate;
  grid-template-columns: 1fr;
  gap: 0;
  align-self: end;
  align-items: stretch;
  min-height: 320px;
  padding: 0;
  border-color: color-mix(in srgb, var(--ember) 24%, var(--line));
  background: var(--bg-soft);
  overflow: hidden;
}

.dragon-counsel-avatar {
  display: grid;
  place-items: center;
  width: 88px;
  aspect-ratio: 1;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--jade) 14%, transparent), transparent 70%);
  overflow: hidden;
}

.dragon-counsel-avatar img,
.dragon-response-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 100% center;
  filter: grayscale(0.3) sepia(0.42) saturate(0.82) contrast(1.05) brightness(1.03);
  transform: scale(1.22);
  transform-origin: right center;
}

.compact .dragon-counsel-avatar {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  border: 0;
  border-radius: inherit;
}
.compact .dragon-counsel-avatar img {
  object-position: 78% center;
  filter: grayscale(0.32) sepia(0.42) saturate(0.76) contrast(1.08) brightness(0.82);
  opacity: 0.94;
  transform: scale(1.08);
}
.compact > div:last-child {
  position: relative;
  z-index: 1;
  grid-column: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-self: stretch;
  justify-self: start;
  min-width: 0;
  width: min(70%, 390px);
  margin: 14px 14px 14px 0;
  padding: clamp(1.2rem, 2.7vw, 1.65rem) clamp(1.1rem, 2.4vw, 1.5rem);
  border: 1px solid color-mix(in srgb, var(--ember) 24%, var(--line));
  border-right: 2px solid var(--ember);
  border-left: 0;
  border-radius: 0 12px 12px 0;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  -webkit-backdrop-filter: blur(6px) saturate(0.72);
  backdrop-filter: blur(6px) saturate(0.72);
  box-shadow: 0 14px 36px color-mix(in srgb, var(--bg) 62%, transparent);
}
:root[data-theme='light'] .compact .dragon-counsel-avatar img {
  filter: grayscale(0.58) sepia(0.28) saturate(0.58) contrast(1.06) brightness(0.92);
  opacity: 0.9;
}
:root[data-theme='light'] .compact > div:last-child {
  background: color-mix(in srgb, var(--panel) 81%, transparent);
  box-shadow: 0 14px 36px rgb(44 44 44 / 12%);
}
.dragon-counsel.compact blockquote { font-size: clamp(1.25rem, 1.8vw, 1.7rem); line-height: 1.28; text-wrap: pretty; }
.dragon-counsel blockquote { margin: 0; font-size: clamp(1.4rem, 2.4vw, 2rem); line-height: 1.22; }
.dragon-counsel p:last-child { margin-bottom: 0; color: var(--muted); font-size: 0.98rem; }

.lab-section {
  padding-block: clamp(5rem, 10vw, 8rem);
  border-block: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-soft) 75%, transparent);
}

.lab-heading {
  display: grid;
  grid-template-columns: 1fr 250px;
  gap: 3rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.lab-heading h2,
.explanation h2,
.pressure-types h2 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(2.25rem, 4vw, 3.85rem);
  font-weight: 500;
  line-height: 1.08;
}

.reckoning h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 500;
  line-height: 1.02;
}

.lab-heading > div:first-child > p:last-child,
.section-heading > p {
  max-width: 710px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.85;
}
.lab-progress { display: grid; grid-template-columns: 1fr auto; gap: 0.65rem; color: var(--faint); font: 700 0.65rem/1 var(--mono); text-transform: uppercase; }
.lab-progress i { --progress: 0%; grid-column: 1 / -1; height: 5px; border-radius: 99px; background: linear-gradient(90deg, var(--moss) var(--progress), var(--line) var(--progress)); transition: background 260ms ease; }
.lab-progress strong { color: var(--text); }

.scenario-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-bottom: 0.7rem;
}

.scenario-tab {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.scenario-tab:hover { border-color: var(--line-bright); }
.scenario-tab.is-active { border-color: var(--moss); background: color-mix(in srgb, var(--moss) 7%, transparent); }
.scenario-tab > span { grid-row: 1 / 3; color: var(--jade); font: 700 0.68rem/1 var(--mono); }
.scenario-tab strong { font-size: 0.9rem; line-height: 1.1; }
.scenario-tab small { color: var(--faint); }

.diagnostic-console {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.console-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--faint);
  font: 700 0.62rem/1 var(--mono);
  text-transform: uppercase;
}

.console-topline > div { display: flex; align-items: center; gap: 0.55rem; }
.console-light { width: 7px; height: 7px; border-radius: 50%; background: var(--moss); box-shadow: 0 0 10px var(--moss); }
.console-grid { display: grid; grid-template-columns: 1fr 1fr; }
.query-panel, .metrics-panel { padding: clamp(1.2rem, 3vw, 2rem); }
.query-panel { border-right: 1px solid var(--line); }

.panel-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--faint);
  font: 700 0.62rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-label strong { color: var(--text); text-align: right; }
.query-panel pre { min-height: 155px; margin: 0; padding: 1.2rem; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); white-space: pre-wrap; overflow: auto; }
.query-panel pre code { color: var(--jade); font-size: 0.83rem; }

.system-path {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.08fr;
  gap: 0.45rem;
  align-items: center;
  margin-block: 1.3rem;
}

.system-node { display: flex; align-items: center; gap: 0.65rem; min-width: 0; padding: 0.65rem; border: 1px solid var(--line); border-radius: 9px; }
.system-node i { display: grid; flex: 0 0 auto; place-items: center; width: 29px; height: 29px; border-radius: 7px; background: var(--panel-strong); color: var(--jade); font: 800 0.58rem/1 var(--mono); font-style: normal; }
.system-node span { display: grid; min-width: 0; }
.system-node small { color: var(--faint); font: 700 0.52rem/1 var(--mono); text-transform: uppercase; }
.system-node strong { margin-top: 0.2rem; font-size: 0.7rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.system-node-db { border-color: rgb(255 107 107 / 38%); }
.system-path > b { color: var(--faint); font-family: var(--mono); }

.run-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--moss);
  border-radius: 9px;
  background: var(--moss);
  color: var(--accent-ink);
  font-weight: 900;
  cursor: pointer;
}

.run-button:hover:not(:disabled) { background: var(--moss-dark); border-color: var(--moss-dark); transform: translateY(-1px); }
.run-button:disabled { cursor: wait; opacity: 0.7; }
.run-note { min-height: 1.4em; margin: 0.7rem 0 0; color: var(--faint); font-size: 0.82rem; text-align: center; }

.metrics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.metric-card { display: grid; min-height: 108px; padding: 0.9rem; border: 1px solid var(--line); border-radius: 9px; background: var(--bg-soft); }
.metric-card span { color: var(--faint); font: 700 0.6rem/1 var(--mono); text-transform: uppercase; }
.metric-card strong { align-self: end; margin-top: 0.7rem; font: 500 1.7rem/1 var(--serif); }
.metric-card small { margin-top: 0.3rem; color: var(--faint); }
.metric-card[data-level='pressure'] strong { color: var(--ember); }
.metric-card[data-level='healthy'] strong { color: var(--moss); }

.pressure-chart { display: grid; grid-template-columns: auto 1fr; gap: 0.7rem; height: 110px; margin-top: 1rem; padding: 0.8rem; border: 1px solid var(--line); border-radius: 9px; }
.chart-scale { display: flex; flex-direction: column; justify-content: space-between; color: var(--faint); font: 600 0.52rem/1 var(--mono); }
.chart-bars { display: flex; align-items: end; gap: 5px; border-bottom: 1px solid var(--line); }
.chart-bars i { flex: 1; height: 4%; min-height: 3px; border-radius: 3px 3px 0 0; background: linear-gradient(var(--ember), var(--jade)); transition: height 650ms cubic-bezier(0.2, 0.7, 0.2, 1); opacity: 0.78; }

.diagnosis { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.diagnosis p { margin: 0 0 0.7rem; font-weight: 800; }
.diagnosis-options { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.diagnosis-options button { min-height: 40px; padding: 0.6rem; border: 1px solid var(--line); border-radius: 7px; background: var(--bg-soft); color: var(--muted); font-weight: 700; cursor: pointer; }
.diagnosis-options button:hover { border-color: var(--line-bright); color: var(--text); }
.diagnosis-options button[data-result='correct'] { border-color: var(--moss); background: color-mix(in srgb, var(--moss) 11%, transparent); color: var(--moss); }
.diagnosis-options button[data-result='incorrect'] { border-color: var(--danger); background: rgb(255 107 107 / 9%); color: var(--danger); }

.dragon-response {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem clamp(1.2rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.dragon-response-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; overflow: hidden; }
.dragon-response span { color: var(--jade); font: 800 0.6rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.dragon-response p { margin: 0.25rem 0 0; color: var(--muted); font-family: var(--dragon); font-size: 1.05rem; line-height: 1.55; }
.dragon-response[data-tone='success'] { background: color-mix(in srgb, var(--moss) 5%, transparent); }
.dragon-response[data-tone='success'] span { color: var(--moss); }
.dragon-response[data-tone='retry'] { background: rgb(237 142 85 / 5%); }
.dragon-response[data-tone='retry'] span { color: var(--ember); }

.explanation,
.pressure-types,
.reckoning { padding-block: clamp(5rem, 10vw, 9rem); }
.resource-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; }
.resource-grid article { display: flex; flex-direction: column; min-height: 310px; padding: 1.4rem; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); }
.resource-grid article > span { color: var(--jade); font: 700 0.74rem/1 var(--mono); }
.resource-grid h3 { margin: 1.4rem 0 0; font: 500 2rem/1 var(--serif); }
.resource-grid p { color: var(--muted); }
.resource-grid article > strong { margin-top: auto; color: var(--faint); font: 700 0.6rem/1 var(--mono); text-transform: uppercase; }
.resource-grid article > code { margin-top: 0.5rem; font-size: 0.72rem; }

.pressure-types { border-top: 1px solid var(--line); }
.comparison-table { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.comparison-row { display: grid; grid-template-columns: 0.8fr 1.2fr 1.3fr 0.75fr; }
.comparison-row + .comparison-row { border-top: 1px solid var(--line); }
.comparison-row > * { padding: 1rem; }
.comparison-row > * + * { border-left: 1px solid var(--line); }
.comparison-head { background: var(--panel-strong); color: var(--faint); font: 700 0.72rem/1 var(--mono); text-transform: uppercase; }
.comparison-row:not(.comparison-head) { background: var(--panel); }
.comparison-row span { color: var(--muted); }
.comparison-row i { color: var(--moss); font: 800 0.78rem/1 var(--mono); font-style: normal; text-transform: uppercase; }
.pressure-types .dragon-counsel { margin-top: 2rem; }

.reckoning { border-top: 1px solid var(--line); }
.reckoning-intro { max-width: 720px; }
.reckoning-intro > p:last-child { color: var(--muted); font-size: 1.04rem; }
.standing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-top: 2.5rem; }
.standing-grid article { min-height: 190px; padding: 1.5rem; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.standing-grid span { color: var(--jade); font: 700 0.72rem/1 var(--mono); text-transform: uppercase; }
.standing-grid strong { display: block; margin-top: 0.8rem; font: 500 1.7rem/1.1 var(--serif); }
.standing-grid p { color: var(--muted); }

.next-gate { display: grid; grid-template-columns: 1fr auto; gap: 1rem 2rem; align-items: center; margin-top: 3rem; padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--line); border-radius: 14px; background: radial-gradient(circle at 100% 50%, color-mix(in srgb, var(--jade) 8%, transparent), transparent 22rem), var(--panel); }
.next-gate span { color: var(--jade); font: 700 0.72rem/1 var(--mono); text-transform: uppercase; }
.next-gate h3 { margin: 0.5rem 0 0; font: 500 clamp(2rem, 4vw, 3.4rem)/1 var(--serif); }
.next-gate p { margin-bottom: 0; color: var(--muted); }
.next-gate button { min-height: 46px; padding: 0.8rem 1rem; border: 1px solid var(--line); border-radius: 8px; background: var(--bg-soft); color: var(--faint); font-weight: 800; }
.next-gate > a { white-space: nowrap; }
.next-gate small { grid-column: 2; color: var(--faint); text-align: center; }
.site-footer a { color: var(--moss); font-weight: 800; text-decoration: none; }

@media (max-width: 980px) {
  .lesson-hero { grid-template-columns: 1fr; min-height: auto; }
  .dragon-counsel.compact { max-width: 700px; }
  .console-grid { grid-template-columns: 1fr; }
  .query-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .resource-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .lesson-header-name { display: none; }
  .lab-heading { grid-template-columns: 1fr; gap: 1.2rem; }
  .scenario-tabs { grid-template-columns: 1fr; }
  .scenario-tab { grid-template-columns: auto 1fr auto; align-items: center; }
  .scenario-tab > span { grid-row: auto; }
  .scenario-tab small { justify-self: end; }
  .comparison-row { grid-template-columns: 1fr; padding: 1rem; }
  .comparison-row > * { padding: 0.35rem 0; }
  .comparison-row > * + * { border-left: 0; }
  .comparison-head { display: none; }
  .comparison-row span::before { display: block; margin-bottom: 0.2rem; color: var(--faint); font: 700 0.55rem/1 var(--mono); text-transform: uppercase; }
  .comparison-row span:nth-child(2)::before { content: 'What hurts'; }
  .comparison-row span:nth-child(3)::before { content: 'First question'; }
  .standing-grid { grid-template-columns: 1fr; }
  .next-gate { grid-template-columns: 1fr; }
  .next-gate small { grid-column: 1; text-align: left; }
}

@media (max-width: 560px) {
  .lesson-hero h1 { font-size: clamp(3rem, 15vw, 4.5rem); }
  .dragon-counsel, .dragon-counsel.compact { grid-template-columns: 1fr; }
  .dragon-counsel.compact { min-height: 390px; }
  .compact .dragon-counsel-avatar {
    inset: 0;
    width: 100%;
    height: 100%;
    min-height: 0;
    border-radius: inherit;
  }
  .compact .dragon-counsel-avatar img {
    object-position: 100% center;
    opacity: 0.92;
    transform: scale(1.32);
  }
  .compact > div:last-child {
    grid-column: 1;
    justify-content: end;
    align-self: end;
    justify-self: stretch;
    width: auto;
    margin: 9rem 12px 12px;
    padding: 1.25rem;
    border-left: 1px solid color-mix(in srgb, var(--ember) 24%, var(--line));
    border-radius: 12px;
    background: color-mix(in srgb, var(--panel) 80%, transparent);
  }
  .metrics-grid, .resource-grid { grid-template-columns: 1fr; }
  .system-path { grid-template-columns: 1fr; }
  .system-path > b { justify-self: center; transform: rotate(90deg); }
  .diagnosis-options { grid-template-columns: 1fr; }
  .scenario-tab { grid-template-columns: auto 1fr; }
  .scenario-tab small { grid-column: 2; justify-self: start; }
}

.gate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.gate-actions .button-secondary b {
  margin-right: 0.15rem;
}

@media (max-width: 720px) {
  .gate-actions { width: 100%; }
  .gate-actions .button { flex: 1 1 auto; justify-content: center; text-align: center; }
}


/* --- the Old Dragon's closing word ------------------------------
   Matches the portrait treatment of .dragon-counsel so every saying
   in the course carries the same face.                             */

.dragon-line {
  position: relative;
  display: block;
  margin: clamp(2rem, 5vw, 3.5rem) 0 0;
  padding: 1.6rem 0 0 5.4rem;
  border-top: 1px solid var(--line);
  border-left: 0;
  color: var(--text);
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  line-height: 1.45;
}

.dragon-line::before {
  content: '';
  position: absolute;
  top: 1.6rem;
  left: 0;
  width: 64px;
  aspect-ratio: 1;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  background-image: radial-gradient(circle, color-mix(in srgb, var(--jade) 14%, transparent), transparent 70%), url('../../public/og.png');
  background-position: center, 100% center;
  background-size: cover, 190%;
  background-repeat: no-repeat;
  filter: grayscale(0.3) sepia(0.42) saturate(0.82) contrast(1.05) brightness(1.03);
}

.dragon-line span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--moss);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 620px) {
  .dragon-line {
    padding-left: 4.4rem;
  }

  .dragon-line::before {
    width: 52px;
  }
}

.closing-line {
  max-width: 780px;
  margin-top: 3rem;
}