:root {
  --paper: #f3ede1;
  --paper-dark: #e8dfcc;
  --ink: #161614;
  --ink-soft: #3a3a36;
  --ink-muted: #6d6a62;
  --rule: #c5bba3;
  --rule-soft: #d8cfb8;
  --accent: #8b1e1e;
  --accent-soft: #b84848;
  --teal: #1f4a4a;
  --ochre: #b8892b;
  --sage: #556b47;
  --indigo: #344164;
  --plum: #5a3a55;
  --forest: #2d4a2d;
  --rust: #a0522d;
  --card: #fbf7ec;
  --card-hi: #fdfbf4;
  --shadow: 0 1px 0 rgba(20,20,15,0.04), 0 10px 28px rgba(20,20,15,0.06);
  --shadow-lg: 0 4px 12px rgba(20,20,15,0.08), 0 24px 60px rgba(20,20,15,0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter Tight', sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse at 12% 8%, rgba(184, 137, 43, 0.05) 0%, transparent 45%),
    radial-gradient(ellipse at 88% 90%, rgba(31, 74, 74, 0.04) 0%, transparent 50%);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent); }

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.08 0 0 0 0 0.07 0 0 0 0 0.05 0 0 0 0.08 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* HEADER */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(243, 237, 225, 0.93);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.brand {
  display: flex; align-items: baseline; gap: 14px;
  font-family: 'Fraunces', serif;
}
.brand-mark {
  font-size: 24px; font-weight: 600;
  letter-spacing: -0.02em;
}
.brand-mark .amp {
  color: var(--accent);
  font-style: italic;
  font-weight: 500;
  margin-right: 2px;
  font-size: 30px;
  vertical-align: -2px;
}
.brand-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-muted);
  font-weight: 500;
}

.nav-main { display: flex; gap: 26px; font-size: 13px; }
.nav-main a {
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  letter-spacing: 0.01em;
}
.nav-main a:hover, .nav-main a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.container { max-width: 1200px; margin: 0 auto; padding: 40px 32px 80px; position: relative; z-index: 2; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 40px 32px 80px; position: relative; z-index: 2; }

/* BREADCRUMB */
.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
  margin-bottom: 32px;
  font-weight: 500;
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
}
.breadcrumb .sep { color: var(--rule); }

/* HERO */
.hero { padding: 48px 0 64px; border-bottom: 1px solid var(--rule); margin-bottom: 64px; }
.hero-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 14px;
  font-weight: 500;
}
.hero-kicker::before { content: ''; width: 36px; height: 1px; background: var(--accent); }
.hero h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(56px, 8vw, 112px);
  line-height: 0.92;
  font-weight: 400;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
}
.hero h1 em { font-style: italic; color: var(--accent); font-weight: 500; }
.hero-lead {
  font-family: 'Fraunces', serif;
  font-size: 21px;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 660px;
  font-weight: 300;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px dashed var(--rule);
}
.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  margin-bottom: 8px;
  font-weight: 500;
}
.stat-value {
  font-family: 'Fraunces', serif;
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.025em;
  font-style: italic;
}

/* SECTION HEADS */
section { margin-bottom: 72px; }
.section-head {
  display: flex; align-items: baseline; gap: 24px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--ink);
}
.section-num {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 48px;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
}
.section-title {
  font-family: 'Fraunces', serif;
  font-size: 38px;
  font-weight: 500;
  letter-spacing: -0.025em;
  flex: 1;
  line-height: 1.1;
}
.section-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-muted);
  letter-spacing: 0.15em;
  font-weight: 500;
}
.section-intro {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 760px;
  margin-bottom: 40px;
  font-weight: 300;
}

/* SYSTEMS GRID */
.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.system-card {
  background: var(--card);
  padding: 28px 28px;
  display: block;
  position: relative;
  transition: background 0.2s;
  cursor: pointer;
  overflow: hidden;
}
.system-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--tone, var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.3, 0, 0.2, 1);
}
.system-card:hover::before { transform: scaleX(1); }
.system-card:hover { background: var(--card-hi); }
.system-card-top {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 16px;
}
.system-icon {
  font-family: 'Fraunces', serif;
  font-size: 42px;
  font-style: italic;
  color: var(--tone);
  line-height: 1;
  letter-spacing: -0.02em;
}
.system-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-muted);
  letter-spacing: 0.15em;
  font-weight: 500;
}
.system-name {
  font-family: 'Fraunces', serif;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  line-height: 1.1;
}
.system-card a:hover .system-name { color: var(--accent); }
.system-desc {
  font-size: 13.5px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}
.system-meta {
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* METHOD GRID */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.method-step {
  background: var(--card);
  padding: 26px 28px;
}
.method-num {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 44px;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}
.method-title {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.method-body {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.method-body em { font-family: 'Fraunces', serif; color: var(--accent); font-style: italic; }

/* SYSTEM PAGE */
.system-hero {
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 56px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: start;
}
.system-hero-icon {
  font-family: 'Fraunces', serif;
  font-size: 120px;
  font-style: italic;
  color: var(--tone);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.system-hero-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--tone);
  margin-bottom: 18px;
  font-weight: 500;
}
.system-hero h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(48px, 6vw, 80px);
  line-height: 0.95;
  font-weight: 500;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}
.system-hero-lead {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  color: var(--ink-soft);
  line-height: 1.5;
  max-width: 700px;
  font-weight: 300;
}

/* CHIEF COMPLAINT CARDS */
.cc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.cc-card {
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 24px 26px;
  display: block;
  transition: transform 0.18s, box-shadow 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}
.cc-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--tone, var(--accent));
  transform: scaleX(0.15); transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.3, 0, 0.2, 1);
}
.cc-card:hover::before { transform: scaleX(1); }
.cc-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--ink-soft);
  background: var(--card-hi);
}
.cc-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--tone, var(--accent));
  margin-bottom: 10px;
  font-weight: 500;
  display: flex; justify-content: space-between; align-items: center;
}
.cc-title {
  font-family: 'Fraunces', serif;
  font-size: 26px;
  line-height: 1.1;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}
.cc-card:hover .cc-title { color: var(--accent); }
.cc-preview {
  font-size: 13.5px;
  color: var(--ink-muted);
  line-height: 1.5;
}
.cc-meta {
  margin-top: 16px; padding-top: 12px;
  border-top: 1px dashed var(--rule);
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}
.cc-meta .hy { color: var(--accent); }

/* DISEASE LIST */
.disease-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.disease-item {
  background: var(--card);
  padding: 20px 22px;
  display: block;
  transition: background 0.15s;
}
.disease-item:hover { background: var(--card-hi); }
.disease-name {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  line-height: 1.2;
}
.disease-item:hover .disease-name { color: var(--accent); }
.disease-blurb {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.45;
}

/* COMPLAINT / DISEASE DETAIL PAGE */
.detail-hero {
  padding: 32px 0 48px;
  margin-bottom: 48px;
  border-bottom: 2px solid var(--ink);
}
.detail-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--tone, var(--accent));
  margin-bottom: 16px;
  font-weight: 500;
}
.detail-hero h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
}
.detail-lead {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  color: var(--ink-soft);
  line-height: 1.5;
  max-width: 760px;
  font-weight: 300;
}
.detail-lead em { font-style: italic; color: var(--accent); }

.detail-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
}
.toc {
  position: sticky; top: 100px;
  align-self: start;
}
.toc-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
  font-weight: 500;
}
.toc ul { list-style: none; }
.toc li {
  padding: 6px 0 6px 12px;
  margin-left: -12px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.3;
  cursor: pointer;
}
.toc li:hover { color: var(--accent); }
.toc li a { display: block; }

.detail-content { min-width: 0; }

.detail-section {
  margin-bottom: 48px;
  scroll-margin-top: 100px;
}
.detail-section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-muted);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--rule);
  font-weight: 500;
  display: flex; align-items: baseline; gap: 12px;
}
.detail-section-label::before {
  content: attr(data-num);
  color: var(--accent);
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 18px;
  font-weight: 400;
}

/* DDX TABLE */
.ddx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 8px;
  background: var(--card);
  border: 1px solid var(--rule);
}
.ddx-table th, .ddx-table td {
  text-align: left;
  padding: 14px 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--rule-soft);
}
.ddx-table th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  font-weight: 500;
  border-bottom: 1.5px solid var(--ink);
  background: var(--paper-dark);
}
.ddx-table .dx-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.ddx-table .dx-features {
  color: var(--ink-soft);
  line-height: 1.5;
  font-size: 13.5px;
}
.ddx-table .dx-step {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--accent);
  line-height: 1.4;
}
.ddx-table tr.killer td { background: rgba(139, 30, 30, 0.05); }
.ddx-table tr.killer .dx-name::before { content: '⚑ '; color: var(--accent); }
.ddx-table tr:last-child td { border-bottom: none; }
.ddx-table tr:hover td { background: rgba(184, 137, 43, 0.04); }
.ddx-table tr.killer:hover td { background: rgba(139, 30, 30, 0.08); }

/* WORKUP STEPS */
.workup {
  background: var(--paper-dark);
  padding: 22px 26px;
  border-radius: 2px;
  border-left: 3px solid var(--ochre);
}
.workup ol { list-style: none; counter-reset: step; }
.workup li {
  counter-increment: step;
  padding: 10px 0 10px 38px;
  position: relative;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.workup li::before {
  content: counter(step);
  position: absolute; left: 0; top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  color: var(--ochre);
  width: 24px; height: 24px;
  border: 1.5px solid var(--ochre);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--card);
}
.workup li strong {
  font-family: 'Fraunces', serif;
  color: var(--ink);
  font-weight: 600;
  font-size: 15px;
  display: block;
  margin-bottom: 3px;
}

/* PEARL */
.pearl {
  background: linear-gradient(180deg, rgba(184, 137, 43, 0.1), rgba(184, 137, 43, 0.03));
  border: 1px solid rgba(184, 137, 43, 0.3);
  padding: 20px 24px;
  border-radius: 2px;
  margin-bottom: 14px;
}
.pearl-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ochre);
  margin-bottom: 10px;
  font-weight: 600;
}
.pearl-body {
  font-family: 'Fraunces', serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  font-weight: 300;
}
.pearl-body em { font-style: italic; color: var(--accent); }

/* VIGNETTE */
.vignette {
  background: var(--paper-dark);
  padding: 24px 28px;
  border-radius: 2px;
  border-left: 3px solid var(--teal);
}
.vignette-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--teal);
  margin-bottom: 12px;
  font-weight: 600;
}
.vignette-stem {
  font-family: 'Fraunces', serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 400;
  font-style: italic;
  margin-bottom: 14px;
}
.vignette-q {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--teal);
  margin-bottom: 14px;
}
.vignette-answer {
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-family: 'Inter Tight', sans-serif;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.vignette-answer strong { color: var(--accent); font-weight: 600; }

/* GENERIC PROSE INSIDE DETAIL */
.prose p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.prose p strong { color: var(--ink); font-weight: 600; }
.prose p em { font-family: 'Fraunces', serif; font-style: italic; color: var(--accent); }
.prose ul { list-style: none; padding-left: 0; margin-bottom: 14px; }
.prose ul li {
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.prose ul li::before {
  content: '—';
  position: absolute; left: 0; top: 6px;
  color: var(--accent);
  font-family: 'Fraunces', serif;
  font-weight: 500;
}
.prose ul li strong { color: var(--ink); font-weight: 600; font-family: 'Fraunces', serif; font-size: 15px; }

/* BUZZWORD GRID */
.buzz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.buzz-card { background: var(--card); padding: 20px 24px; transition: background 0.15s; }
.buzz-card:hover { background: var(--card-hi); }
.buzz-phrase {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 17px;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.3;
  font-weight: 400;
}
.buzz-dx {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

/* EMERGENCY GRID */
.emerg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.emerg-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  padding: 20px 24px;
}
.emerg-trigger {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
  margin-bottom: 10px;
  font-weight: 500;
}
.emerg-dx {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.emerg-action { font-size: 13.5px; color: var(--ink-soft); line-height: 1.55; }
.emerg-action strong { color: var(--accent); font-weight: 600; }

/* NEXT/PREV NAV */
.page-nav {
  display: flex; justify-content: space-between;
  margin-top: 64px; padding-top: 28px;
  border-top: 1px solid var(--rule);
  gap: 20px;
}
.page-nav-link {
  display: block;
  padding: 18px 22px;
  border: 1px solid var(--rule);
  background: var(--card);
  max-width: 45%;
  transition: border-color 0.15s, background 0.15s;
}
.page-nav-link:hover {
  border-color: var(--accent);
  background: var(--card-hi);
}
.page-nav-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
  margin-bottom: 6px;
}
.page-nav-title {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.page-nav-link.next { text-align: right; margin-left: auto; }

/* FOOTER */
footer {
  max-width: 1400px; margin: 0 auto;
  padding: 32px;
  border-top: 1px solid var(--rule);
  display: flex; gap: 24px; align-items: baseline;
  position: relative; z-index: 2;
}
.footer-mark {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 20px;
  font-weight: 500;
  color: var(--accent);
}
.footer-text {
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.5;
  max-width: 600px;
}

/* FADE */
main > * { animation: rise 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) backwards; }
main > *:nth-child(1) { animation-delay: 0.05s; }
main > *:nth-child(2) { animation-delay: 0.15s; }
main > *:nth-child(3) { animation-delay: 0.25s; }
main > *:nth-child(4) { animation-delay: 0.35s; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .toc { position: static; margin-bottom: 24px; }
  .system-hero { grid-template-columns: 1fr; gap: 20px; }
  .system-hero-icon { font-size: 80px; }
  .nav-main { gap: 16px; font-size: 12px; }
  .page-nav { flex-direction: column; }
  .page-nav-link { max-width: 100%; }
  .header-inner { padding: 12px 20px; }
  .container, .container-wide { padding: 24px 20px 60px; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 52px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 20px; }
  .section-title { font-size: 28px; }
  .systems-grid, .method-grid { grid-template-columns: 1fr; }
}

/* METHOD PAGE COMPONENTS */
.prose-block {
  max-width: 820px;
  margin: 0 0 32px 0;
}
.prose-block p {
  font-family: 'Inter Tight', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.prose-block p strong { color: var(--ink); font-weight: 600; }
.prose-block p em { font-family: 'Fraunces', serif; font-style: italic; color: var(--accent); }

.vignette-box {
  background: var(--paper-dark);
  padding: 22px 26px;
  border-radius: 2px;
  border-left: 3px solid var(--teal);
  margin: 24px 0;
}
.vignette-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--teal);
  margin-bottom: 12px;
  font-weight: 600;
}

.pearls {
  background: rgba(184, 137, 43, 0.06);
  border-left: 3px solid #b8892b;
  padding: 18px 24px;
  margin: 22px 0;
  border-radius: 2px;
}
.pearls-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #b8892b;
  margin-bottom: 12px;
  font-weight: 600;
}
.pearls ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.pearls ul li {
  font-family: 'Inter Tight', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
  margin-bottom: 10px;
}
.pearls ul li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: #b8892b;
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
}
.pearls ul li:last-child { margin-bottom: 0; }
.pearls ul li strong { color: var(--ink); font-weight: 600; }

.cta-link {
  display: inline-block;
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-style: italic;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
  transition: opacity 0.2s ease;
}
.cta-link:hover { opacity: 0.7; }

/* =========================================================================
   AUTH GATE: hide protected page content until auth check resolves.
   ========================================================================= */
html:not(.clinica-auth-ok):not(.clinica-auth-error) body.needs-auth > .container,
html:not(.clinica-auth-ok):not(.clinica-auth-error) body.needs-auth > .container-wide {
  visibility: hidden;
}

/* =========================================================================
   FOOTER LINKS
   ========================================================================= */
.footer-links {
  margin-top: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.footer-links a { color: var(--ink-muted); border-bottom: 1px solid transparent; padding-bottom: 1px; }
.footer-links a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* =========================================================================
   NAV AUTH SLOT
   ========================================================================= */
.nav-auth { display: inline-flex; align-items: center; }
.nav-auth a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--rule);
  padding: 7px 12px;
  border-radius: 999px;
}
.nav-auth a:hover, .nav-auth a.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* =========================================================================
   AUTH PAGES (login, signup, callback)
   ========================================================================= */
.auth-page {
  min-height: 60vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 40px;
}
.auth-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 44px 40px 36px;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 2;
}
.auth-card-narrow { max-width: 380px; text-align: center; }
.auth-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.auth-title {
  font-family: 'Fraunces', serif;
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 10px;
  color: var(--ink);
}
.auth-title em { font-style: italic; color: var(--accent); font-weight: 500; }
.auth-sub { color: var(--ink-muted); font-size: 14px; margin-bottom: 28px; }

.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form-tight { gap: 10px; }
.auth-form label { display: flex; flex-direction: column; gap: 6px; }
.auth-form label > span:first-child {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}
.auth-form input,
.auth-form select,
.auth-form textarea {
  font-family: 'Inter Tight', sans-serif;
  font-size: 15px;
  padding: 11px 14px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card-hi);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
.auth-form input:focus,
.auth-form select:focus,
.auth-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(139, 30, 30, 0.08);
}
.auth-hint { font-size: 11.5px; color: var(--ink-muted); margin-top: 2px; }

.auth-button {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  padding: 12px 18px;
  border-radius: 3px;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.15s;
  margin-top: 4px;
}
.auth-button:hover:not(:disabled) { opacity: 0.88; }
.auth-button:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-button-ghost {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 500;
  font-size: 14px;
  background: var(--card-hi);
  color: var(--ink);
  border: 1px solid var(--rule);
  padding: 11px 18px;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  transition: border-color 0.15s, color 0.15s;
}
.auth-button-ghost:hover:not(:disabled) { border-color: var(--ink); }

.auth-divider {
  text-align: center;
  margin: 22px 0 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  position: relative;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 28px);
  border-top: 1px solid var(--rule);
}
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }

.auth-foot {
  margin-top: 22px;
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.auth-foot a { color: var(--ink); border-bottom: 1px solid var(--rule); padding-bottom: 1px; }
.auth-foot a:hover { color: var(--accent); border-color: var(--accent); }
.auth-fineprint { margin-top: 12px; font-size: 11.5px; color: var(--ink-muted); text-align: center; }
.auth-fineprint a { color: var(--ink-soft); text-decoration: underline; }

.auth-error {
  background: rgba(139, 30, 30, 0.08);
  border: 1px solid rgba(139, 30, 30, 0.3);
  color: var(--accent);
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 3px;
}
.auth-success {
  background: rgba(45, 74, 45, 0.08);
  border: 1px solid rgba(45, 74, 45, 0.3);
  color: var(--forest);
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 3px;
}

/* =========================================================================
   ACCOUNT PAGE
   ========================================================================= */
.account-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.account-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 24px 26px;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 2;
}
.account-card-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 16px;
  font-weight: 500;
}
.account-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14px;
}
.account-row:last-child { border-bottom: none; }
.account-row-label { color: var(--ink-muted); font-size: 12.5px; }
.account-help { color: var(--ink-muted); font-size: 12.5px; margin: 12px 0; }
.usage-meter { margin-top: 4px; }
.usage-meter-bar {
  height: 8px;
  background: var(--paper-dark);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--rule-soft);
}
.usage-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--accent));
  width: 0%;
  transition: width 0.4s ease;
}
.usage-meter-label {
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

/* =========================================================================
   STUDY (chat)
   ========================================================================= */
.chat-shell {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  box-shadow: var(--shadow);
  padding: 20px 24px 24px;
  position: relative;
  z-index: 2;
}
.chat-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--rule-soft);
}
.chat-system-select { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-soft); }
.chat-system-select span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.chat-system-select select {
  font-family: 'Inter Tight', sans-serif;
  font-size: 13px;
  padding: 6px 10px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card-hi);
  color: var(--ink);
}
.chat-usage {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}
.chat-clear {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  padding: 7px 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.chat-clear:hover { border-color: var(--accent); color: var(--accent); }

.chat-stream {
  min-height: 320px;
  max-height: 56vh;
  overflow-y: auto;
  padding: 10px 4px 14px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.chat-empty { padding: 32px 8px; color: var(--ink-muted); }
.chat-empty-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 14px;
}
.chat-suggestions { display: flex; flex-wrap: wrap; gap: 8px; }
.chat-suggestion {
  font-family: 'Inter Tight', sans-serif;
  font-size: 13px;
  background: var(--card-hi);
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.chat-suggestion:hover { border-color: var(--accent); color: var(--accent); }

.msg { display: flex; flex-direction: column; gap: 8px; }
.msg-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.msg-user .msg-role { color: var(--accent); }
.msg-assistant .msg-role { color: var(--teal); }
.msg-body {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink);
}
.msg-body p { margin: 0 0 10px; }
.msg-body p:last-child { margin-bottom: 0; }
.msg-body ul { margin: 4px 0 12px 18px; }
.msg-body li { margin-bottom: 6px; }
.msg-body code { font-family: 'JetBrains Mono', monospace; font-size: 13px; background: var(--paper-dark); padding: 1px 5px; border-radius: 3px; }
.msg-body pre { background: var(--paper-dark); padding: 12px 14px; border-radius: 4px; overflow-x: auto; margin: 8px 0; }
.msg-body .cite {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  background: rgba(31, 74, 74, 0.1);
  color: var(--teal);
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 4px;
}
.msg-citations { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }
.cite-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  background: var(--card-hi);
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  padding: 3px 9px;
  border-radius: 999px;
}
.cite-chip:hover { border-color: var(--accent); color: var(--accent); }
.cursor { display: inline-block; width: 6px; opacity: 0.6; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.msg-error { color: var(--accent); font-size: 13px; }

.chat-input {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--rule-soft);
  align-items: flex-end;
}
.chat-input textarea {
  flex: 1;
  font-family: 'Inter Tight', sans-serif;
  font-size: 14.5px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card-hi);
  color: var(--ink);
  resize: vertical;
  min-height: 56px;
  line-height: 1.5;
}
.chat-input textarea:focus { outline: none; border-color: var(--accent); }
.chat-send {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 500;
  font-size: 14px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  padding: 0 22px;
  height: 56px;
  border-radius: 3px;
  cursor: pointer;
  transition: opacity 0.15s;
}
.chat-send:hover:not(:disabled) { opacity: 0.88; }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; }

.chat-fineprint {
  margin-top: 16px;
  font-size: 11.5px;
  color: var(--ink-muted);
  font-style: italic;
}

/* =========================================================================
   PRACTICE
   ========================================================================= */
.practice-shell {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  box-shadow: var(--shadow);
  padding: 22px 26px 26px;
  position: relative;
  z-index: 2;
}
.practice-form { padding-bottom: 18px; border-bottom: 1px solid var(--rule-soft); margin-bottom: 24px; }
.practice-row {
  display: grid;
  grid-template-columns: minmax(140px, 0.9fr) minmax(180px, 1.1fr) minmax(200px, 2fr);
  gap: 14px;
  margin-bottom: 14px;
}
.practice-field { display: flex; flex-direction: column; gap: 6px; }
.practice-field > span:first-child {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}
.practice-field input,
.practice-field select {
  font-family: 'Inter Tight', sans-serif;
  font-size: 14px;
  padding: 9px 12px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card-hi);
  color: var(--ink);
}
.practice-field input:focus,
.practice-field select:focus { outline: none; border-color: var(--accent); }
.practice-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
@media (max-width: 720px) {
  .practice-row { grid-template-columns: 1fr; }
}

.practice-output { min-height: 200px; }
.practice-empty {
  padding: 50px 20px;
  text-align: center;
  color: var(--ink-muted);
  font-size: 14px;
  border: 1px dashed var(--rule);
  border-radius: 4px;
}
.practice-error { color: var(--accent); border-color: rgba(139, 30, 30, 0.4); }
.practice-loading {
  padding: 40px 20px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
}
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--rule);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -2px;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.vignette { display: flex; flex-direction: column; gap: 20px; }
.vig-meta {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.vig-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--paper-dark);
  color: var(--ink-soft);
  padding: 4px 10px;
  border-radius: 999px;
}
.vig-stem {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--card-hi);
  border-left: 3px solid var(--ink);
  padding: 16px 20px;
  border-radius: 0 3px 3px 0;
}
.vig-choices { display: flex; flex-direction: column; gap: 8px; }
.vig-choice {
  display: grid;
  grid-template-columns: 24px 28px 1fr;
  align-items: start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.vig-choice:hover { border-color: var(--ink-soft); background: var(--card-hi); }
.vig-choice input { margin-top: 4px; }
.vig-choice-letter {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 13px;
}
.vig-choice-text { font-size: 14px; line-height: 1.55; color: var(--ink); }
.vig-choice-correct {
  background: rgba(45, 74, 45, 0.08);
  border-color: var(--forest);
}
.vig-choice-correct .vig-choice-letter { color: var(--forest); }
.vig-choice-wrong {
  background: rgba(139, 30, 30, 0.06);
  border-color: var(--accent);
}
.vig-choice-wrong .vig-choice-letter { color: var(--accent); }

.vig-actions { display: flex; gap: 10px; }
.vig-actions .auth-button { margin-top: 0; }
.vig-actions .auth-button-ghost { width: auto; }

.vig-result {
  background: var(--card-hi);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 18px 22px;
}
.vig-result-ok { border-color: var(--forest); }
.vig-result-bad { border-color: var(--accent); }
.vig-result-warn { border-color: var(--ochre); }
.vig-result-header {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 8px;
}
.vig-result-ok .vig-result-header { color: var(--forest); }
.vig-result-bad .vig-result-header { color: var(--accent); }
.vig-result-summary { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 12px; font-style: italic; }
.vig-result-section { margin-top: 14px; }
.vig-result-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 6px;
}
.vig-result-section ul { margin-left: 20px; font-size: 14px; line-height: 1.6; }
.vig-result-section li { margin-bottom: 4px; }
.vig-result-section div { font-size: 14px; line-height: 1.65; color: var(--ink-soft); }

.vig-citations {
  font-size: 11.5px;
  color: var(--ink-muted);
  padding-top: 12px;
  border-top: 1px solid var(--rule-soft);
}
.vig-citations a { color: var(--ink-soft); border-bottom: 1px solid var(--rule); }
.vig-citations a:hover { color: var(--accent); border-color: var(--accent); }

/* prose-stamp used by terms/privacy */
.prose-stamp {
  margin-top: 32px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  text-transform: uppercase;
}