.guide-shell {
  min-height: 100vh;
  padding: 28px;
  color: var(--text);
  background: var(--bg);
}

.guide-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  max-width: 1280px;
  margin: 0 auto 20px;
}

.guide-hero h1 {
  margin: 10px 0 8px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1;
}

.guide-hero p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.guide-layout {
  max-width: 1280px;
  margin: 0 auto 18px;
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
}

.setup-panel {
  align-self: stretch;
}

.guide-card,
.key-input {
  margin: 18px;
}

.guide-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border: 1px solid rgba(0, 212, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(0, 212, 255, 0.055);
}

.guide-card code,
.code-block pre,
.model-card strong {
  font-family: "JetBrains Mono", monospace;
}

.guide-card code {
  display: block;
  margin-top: 8px;
  color: rgba(245, 248, 246, 0.94);
  overflow-wrap: anywhere;
}

.key-input {
  display: grid;
  gap: 8px;
}

.key-input span,
.mini-label {
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.code-block {
  margin: 18px;
  border: 1px solid rgba(142, 155, 148, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(7, 10, 9, 0.72);
}

.code-head {
  min-height: 48px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  border-bottom: 1px solid rgba(142, 155, 148, 0.14);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.code-block pre {
  margin: 0;
  padding: 14px;
  color: rgba(245, 248, 246, 0.94);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.model-grid,
.tier-grid,
.notes-grid {
  display: grid;
  gap: 12px;
  padding: 18px;
}

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

.model-card,
.tier-grid > div,
.notes-grid > div {
  padding: 14px;
  border: 1px solid rgba(142, 155, 148, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.model-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.model-card strong {
  display: block;
  margin-top: 8px;
  color: rgba(245, 248, 246, 0.94);
  overflow-wrap: anywhere;
}

.tier-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-top: 0;
}

.tier-grid p,
.notes-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.notes-panel {
  max-width: 1280px;
  margin: 0 auto;
}

.notes-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.notes-grid h3 {
  margin: 0;
  font-size: 15px;
}

.notes-grid a {
  color: var(--cyan);
}

.event-log {
  max-width: 1280px;
  min-height: 56px;
  margin: 18px auto 0;
  padding: 14px;
  border: 1px solid rgba(142, 155, 148, 0.14);
  border-radius: var(--radius);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  white-space: pre-wrap;
}

@media (max-width: 980px) {
  .guide-shell {
    padding: 16px;
  }

  .guide-hero,
  .guide-card {
    align-items: stretch;
    flex-direction: column;
  }

  .guide-layout,
  .model-grid,
  .tier-grid,
  .notes-grid {
    grid-template-columns: 1fr;
  }
}