:root {
  color-scheme: dark;
  --page-bg: #121212;
  --panel-bg: #1a1a1a;
  --panel-bg-deep: #0f0f0f;
  --border: #333;
  --text: #e0e0e0;
  --muted: #9aa0a6;
  --green: #00ff00;
  --green-dim: #0ea86b;
  --cyan: #00ffcc;
  --radius: 8px;
  --font-mono: Menlo, "Courier New", Courier, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--text);
  font-family: var(--font-mono);
}

body {
  overflow-x: hidden;
  background:
    radial-gradient(circle at calc(50% - min(28rem, 34vw)) -4rem, rgba(0, 255, 204, 0.12), transparent 30rem),
    radial-gradient(circle at calc(50% + min(28rem, 34vw)) 4rem, rgba(0, 255, 0, 0.08), transparent 28rem),
    var(--page-bg);
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.protocol-page {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  padding: 22px 0 40px;
}

.protocol-header {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid #2f3a2fa0;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  color: var(--green);
  box-shadow: inset 0 0 10px #00ff9910;
}

.top-nav,
.theme-nav-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.top-nav a,
.action-link {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid #2f3a2f;
  border-radius: var(--radius);
  background: #111;
  color: #d8fff2;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.button-icon {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.action-link .button-icon {
  margin-right: 0;
}

.top-nav .button-icon {
  margin-right: 0;
}

.top-nav a:hover,
.top-nav a:focus-visible,
.action-link:hover,
.action-link:focus-visible {
  border-color: #00ffcc88;
  color: #b8ffb8;
}

.protocol-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 34px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.02;
}

.lead {
  max-width: 760px;
  color: #d8ddd8;
  font-size: 1.04rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-visual {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, #101817, #0c0f0e);
  box-shadow: inset 0 0 8px #000;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.protocol-band {
  margin-top: 22px;
  padding-top: 24px;
  border-top: 1px solid #273227;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(260px, 1fr);
  gap: 22px;
  align-items: end;
  margin-bottom: 16px;
}

h2 {
  color: var(--green-dim);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.18;
}

.section-intro {
  color: #cfd8d2;
  font-size: 0.96rem;
  line-height: 1.6;
}

.intent-grid,
.signal-grid,
.destination-grid,
.protocol-hub-grid,
.recipe-index-grid,
.note-grid,
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: 14px;
}

.workflow-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(260px, 0.38fr);
  gap: 16px;
  align-items: start;
}

.command-block {
  overflow: auto;
  padding: 16px;
  border: 1px solid #2d5b51;
  border-radius: var(--radius);
  background: #090c0b;
  color: #d8fff2;
  font: 0.92rem/1.55 var(--font-mono);
  box-shadow: inset 0 0 8px #000;
}

.command-panel {
  display: grid;
  gap: 8px;
}

.command-note {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.step-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.step-list li {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 13px;
  border: 1px solid #2f3a2f;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 0 0, rgba(0, 255, 204, 0.08), transparent 10rem),
    linear-gradient(145deg, #121b18, #0f1211);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18), inset 0 0 5px #000;
}

.step-list li::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 255, 204, 0.42), transparent);
}

.step-list span {
  display: inline-grid;
  width: 34px;
  height: 28px;
  place-items: center;
  border: 1px solid #2d5b51;
  border-radius: var(--radius);
  background: rgba(0, 255, 204, 0.06);
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 900;
  box-shadow: inset 0 0 8px rgba(0, 255, 204, 0.04);
}

.step-list p {
  color: #d8ddd8;
  font-size: 0.94rem;
  line-height: 1.55;
}

.intent-card,
.signal-card,
.note-card,
.problem-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: 17px;
  border: 1px solid #2f3a2f;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 0 0, rgba(0, 255, 204, 0.05), transparent 15rem),
    linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: 0 9px 22px rgba(0, 0, 0, 0.18), inset 0 0 5px #000;
}

.recipe-index-grid a {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: inset 0 0 5px #000;
}

.intent-card::before,
.signal-card::before,
.note-card::before,
.problem-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 255, 204, 0.5), rgba(0, 255, 0, 0.16), transparent);
}

.destination-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 13px;
  min-width: 0;
  padding: 17px;
  border: 1px solid #2f3a2f;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 100% 0, rgba(0, 255, 204, 0.055), transparent 14rem),
    linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18), inset 0 0 5px #000;
}

.destination-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 255, 204, 0.42), rgba(0, 255, 0, 0.14), transparent);
}

.intent-card span,
.signal-card span,
.note-card span,
.problem-card span {
  display: inline-flex;
  align-items: center;
  margin-bottom: 8px;
  padding: 4px 7px;
  border: 1px solid rgba(0, 255, 204, 0.18);
  border-radius: calc(var(--radius) - 2px);
  background: rgba(0, 255, 204, 0.05);
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.recipe-index-grid span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.intent-card h3,
.signal-card h3,
.destination-card h3 {
  margin-bottom: 8px;
  color: #d8fff2;
  font-size: 1rem;
  line-height: 1.3;
}

.recipe-index-grid strong {
  margin-bottom: 8px;
  color: #d8fff2;
  font-size: 1rem;
  line-height: 1.3;
}

.recipe-index-grid a {
  position: relative;
  display: grid;
  gap: 2px;
  padding-right: 18px;
  border-color: #00ffcc44;
  border-left: 3px solid var(--cyan);
  background:
    linear-gradient(145deg, rgba(0, 255, 204, 0.09), transparent 34%),
    linear-gradient(145deg, #17211f, #0f1211);
  box-shadow: 0 10px 24px rgba(0, 255, 204, 0.06), inset 0 0 5px #000;
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.protocol-hub-card {
  position: relative;
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 16px;
  border: 1px solid #00ffcc44;
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(0, 255, 204, 0.085), transparent 36%),
    linear-gradient(145deg, #17211f, #0f1211);
  box-shadow: 0 10px 24px rgba(0, 255, 204, 0.055), inset 0 0 5px #000;
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.protocol-hub-card span {
  color: var(--cyan);
  font-size: 0.74rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.protocol-hub-card strong {
  color: #d8fff2;
  font-size: 1rem;
  line-height: 1.3;
}

.protocol-hub-card small {
  color: #d8ddd8;
  font-size: 0.84rem;
  line-height: 1.5;
}

.protocol-hub-card em {
  justify-self: start;
  margin-top: 4px;
  padding: 5px 8px;
  border: 1px solid rgba(0, 255, 204, 0.24);
  border-radius: calc(var(--radius) - 2px);
  color: var(--cyan);
  font-size: 0.68rem;
  font-style: normal;
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
}

.protocol-hub-card::after {
  content: "Open workflow";
  justify-self: start;
  margin-top: 6px;
  color: #b8ffb8;
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.protocol-hub-card:hover,
.protocol-hub-card:focus-visible {
  border-color: #00ffcc88;
  box-shadow: 0 14px 28px rgba(0, 255, 204, 0.12), inset 0 0 5px #000;
  transform: translateY(-2px);
}

.recipe-index-grid a::after {
  content: "Open recipe";
  justify-self: start;
  margin-top: 12px;
  padding: 5px 8px;
  border: 1px solid #00ffcc44;
  border-radius: calc(var(--radius) - 2px);
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.recipe-index-grid a:hover,
.recipe-index-grid a:focus-visible {
  border-color: #00ffcc88;
  box-shadow: 0 14px 28px rgba(0, 255, 204, 0.12), inset 0 0 5px #000;
  transform: translateY(-2px);
}

.recipe-index-grid small {
  color: #d8ddd8;
  font-size: 0.84rem;
  line-height: 1.5;
}

.intent-card p,
.signal-card p,
.destination-card p,
.note-card p,
.problem-card p,
.plain-list li {
  color: #d8ddd8;
  font-size: 0.94rem;
  line-height: 1.58;
}

.plain-list {
  display: grid;
  gap: 10px;
  max-width: 900px;
  padding-left: 18px;
}

.plain-list strong {
  color: #eefcf7;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(0, 255, 204, 0.05), transparent 42%),
    linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16), inset 0 0 5px #000;
}

.faq-list details::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 255, 204, 0.5), transparent);
}

.faq-list summary {
  cursor: pointer;
  padding: 14px 16px;
  color: #d8fff2;
  font-weight: 800;
  line-height: 1.35;
}

.faq-list p {
  padding: 0 16px 16px;
  color: #d8ddd8;
  font-size: 0.94rem;
  line-height: 1.58;
}

.destination-card .action-link {
  align-self: end;
  justify-self: start;
  margin-top: 2px;
  border-color: rgba(0, 255, 204, 0.25);
  background: linear-gradient(145deg, #12211d, #0f1211);
  box-shadow: 0 8px 18px rgba(0, 255, 204, 0.05), inset 0 0 5px #000;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding: 16px 0 4px;
  border-top: 1px solid #2f3a2f;
  color: var(--muted);
}

.site-footer-title {
  color: #d8fff2;
  font-size: 0.86rem;
  font-weight: 800;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid #2f3a2f;
  border-radius: var(--radius);
  background: #111;
  color: #d8fff2;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  border-color: #00ffcc88;
  color: #b8ffb8;
  outline: none;
}

@media (max-width: 760px) {
  .protocol-hero,
  .section-head,
  .workflow-layout {
    grid-template-columns: 1fr;
  }

  .protocol-header {
    align-items: center;
  }

  .protocol-header .theme-nav-cluster {
    margin-left: auto;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-top: 18px;
  }

  .site-footer nav {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .site-footer a {
    min-height: 42px;
    justify-content: center;
    padding: 9px 10px;
  }
}

@media (max-width: 420px) {
  .site-footer nav {
    grid-template-columns: 1fr;
  }
}