/* Burnlore — illuminated terminal. Manuscript meets phosphor. */

@font-face {
  font-family: 'Source Serif 4';
  src: url('/fonts/SourceSerif4-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Source Serif 4';
  src: url('/fonts/SourceSerif4-Semibold.ttf') format('truetype');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Source Serif 4';
  src: url('/fonts/SourceSerif4-It.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/IBMPlexMono-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

:root {
  --moss: #0a0d0b;
  --moss-2: #11150f;
  --parchment: #f5efe3;
  --parchment-dim: #c8c2b2;
  --ember: #e85d2c;
  --gold: #c9a24b;
  --green: #7fb069;
  --ink: #221d15;
  --line: #2a2f28;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--moss);
  color: var(--parchment);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative; /* anchor the page-top ember wash */
  overflow-x: clip; /* a full-bleed decorative layer must never add horizontal scroll */
}
main { flex: 1; }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; font-weight: 600; }
h1 { font-size: 2.2rem; margin: 0.3em 0 0.5em; }

.mono { font-family: var(--mono); }
.dim { color: #8a857a; }
.small { font-size: 0.82rem; }
.ember { color: var(--ember); }
.gold { color: var(--gold); }
.green { color: var(--green); }
.center { text-align: center; }

/* chrome */
.site-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: var(--mono);
  letter-spacing: 5px;
  font-size: 1.05rem;
  color: var(--ember);
}
.wordmark span { color: var(--gold); }
.site-head nav a {
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-left: 22px;
  color: var(--parchment-dim);
}
.site-head nav a.ember { color: var(--ember); }
.site-foot { border-top: 1px solid var(--line); margin-top: 64px; }
.foot-inner { max-width: 760px; margin: 0 auto; padding: 28px 20px; }
.foot-inner p { margin: 0.4em 0; }

.wrap { max-width: 760px; margin: 0 auto; padding: 40px 20px; }
.doc h3 { margin-top: 1.6em; color: var(--gold); }

/* hero + panels */
.kicker { letter-spacing: 3px; font-size: 0.78rem; margin-bottom: 0.6em; }
.hero h1 { font-size: 2.7rem; }

/* Ember wash — a warm glow across the TOP of the home page, behind the header too
   (so there's no black seam under the nav), that slowly breathes. CSS-only: layered
   radial gradients + inline-SVG grain, page-WIDTH via left/right:0 (never 100vw, so
   no horizontal scroll), z-index:-1 so it sits under all content but above the
   --moss background. Home only; frozen under prefers-reduced-motion. */
body.home::before,
body.home::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 640px;
  z-index: -1;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 45%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 45%, transparent 100%);
}
body.home::before {
  transform-origin: 42% 28%;
  background:
    radial-gradient(50% 52% at 40% 30%, rgba(232, 93, 44, 0.26), transparent 66%),
    radial-gradient(42% 46% at 66% 15%, rgba(201, 162, 75, 0.14), transparent 70%),
    radial-gradient(100% 78% at 50% -6%, rgba(232, 93, 44, 0.10), transparent 72%);
  animation: ember-breathe 10s ease-in-out infinite alternate;
}
body.home::after {
  mix-blend-mode: screen;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: ember-flicker 5s ease-in-out infinite alternate;
}
@keyframes ember-breathe {
  from { transform: scale(1) translateY(0); opacity: 0.6; }
  to { transform: scale(1.08) translateY(12px); opacity: 1; }
}
@keyframes ember-flicker {
  from { opacity: 0.03; }
  to { opacity: 0.08; }
}
@media (prefers-reduced-motion: reduce) {
  body.home::before,
  body.home::after { animation: none; }
  body.home::before { opacity: 1; }
}
.lede { font-size: 1.15rem; color: var(--parchment-dim); }
.cadence-note { font-size: 0.85rem; letter-spacing: 0.5px; color: var(--parchment-dim); margin: 18px 0 4px; }
.cadence-note .ember { margin-right: 6px; }
.hero-fork { display: flex; gap: 28px; margin: 22px 0 4px; flex-wrap: wrap; }
.fork-col { flex: 1; min-width: 240px; }
.fork-sub { font-size: 0.92rem; color: var(--parchment-dim); margin-top: 10px; }
.cta-row { display: flex; gap: 14px; margin: 26px 0; flex-wrap: wrap; }
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 12px 22px;
  border: 1px solid var(--gold);
  border-radius: 4px;
  color: var(--gold);
  background: transparent;
  cursor: pointer;
}
.btn:hover { background: rgba(201, 162, 75, 0.08); text-decoration: none; }
.btn.small { padding: 7px 14px; font-size: 0.78rem; }
.ember-btn { border-color: var(--ember); color: var(--ember); }
.ember-btn:hover { background: rgba(232, 93, 44, 0.1); }
.ember-btn.glow { box-shadow: 0 0 24px rgba(232, 93, 44, 0.35); }
.linklike { background: none; border: none; cursor: pointer; padding: 0; font-family: var(--mono); }
.linklike:hover { text-decoration: underline; }

.stat-row {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 4px;
  margin: 26px 0;
}
.stat-row div { display: flex; flex-direction: column; }
.stat-row b { color: var(--gold); font-size: 1.35rem; }
.stat-row span { color: #8a857a; font-size: 0.72rem; letter-spacing: 1px; text-transform: uppercase; }

.panel {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px 26px;
  margin: 26px 0;
  background: var(--moss-2);
}
.panel h2 { font-size: 0.95rem; letter-spacing: 2px; margin-top: 0; }
.excerpt { color: var(--parchment-dim); font-style: italic; }

.trio { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 22px; margin: 44px 0; }
.trio h3 { font-size: 0.9rem; letter-spacing: 2px; }
.trio p { color: var(--parchment-dim); font-size: 0.95rem; }

/* reading surfaces */
body.reading main { background: var(--parchment); color: var(--ink); }
body.reading main a { color: #8a5a18; }
body.reading .dim { color: #7a715d; }
.paper h1 { color: var(--ink); }
.prose p { margin: 1.1em 0; font-size: 1.1rem; }
.prose p:first-of-type::first-letter {
  color: var(--ember);
  font-size: 3.1em;
  float: left;
  line-height: 0.85;
  padding-right: 8px;
  font-weight: 600;
}
.toc { list-style: none; padding: 0; }
.toc li { padding: 10px 0; border-bottom: 1px dashed rgba(122, 113, 93, 0.35); }
.toc-title { font-size: 1.1rem; }

/* window page — the competing drafts, each expandable to read in full */
.breadcrumb { margin: 0 0 10px; }
.breadcrumb a { color: var(--parchment-dim); }
.drafts { margin-top: 44px; }
.drafts > h2 { font-size: 0.9rem; letter-spacing: 2px; color: var(--parchment-dim); margin-bottom: 16px; }
.draft-card { border: 1px solid var(--line); border-radius: 8px; margin: 14px 0; background: var(--moss-2); }
.draft-card > summary { list-style: none; cursor: pointer; padding: 16px 20px 16px 44px; position: relative; }
.draft-card > summary::-webkit-details-marker { display: none; }
.draft-card > summary::before { content: '▸'; position: absolute; left: 20px; top: 16px; color: var(--ember); transition: transform 0.15s; }
.draft-card[open] > summary::before { transform: rotate(90deg); }
.draft-card[open] > summary { border-bottom: 1px solid var(--line); }
.draft-n { display: block; font-size: 0.72rem; letter-spacing: 2px; }
.draft-title { display: block; font-family: var(--serif); font-size: 1.2rem; color: var(--parchment); margin: 4px 0; }
.draft-meta { display: block; }
.draft-card .prose { padding: 4px 22px 22px; max-width: 62ch; }
.draft-card .prose p:first-of-type::first-letter { font-size: 1.1em; float: none; color: inherit; padding: 0; font-weight: inherit; }

.plate {
  margin: 34px 0 10px;
  padding: 14px 16px;
  border-top: 2px solid var(--gold);
  border-bottom: 1px solid rgba(201, 162, 75, 0.4);
  font-size: 0.8rem;
  color: #6d6452;
  background: rgba(201, 162, 75, 0.06);
}
.forks, .leaves { margin: 26px 0; padding: 14px 18px; border-left: 3px solid var(--green); background: rgba(127, 176, 105, 0.07); }
.forks ul { margin: 6px 0 0; padding-left: 18px; }
.leaves details { margin: 10px 0; }
.leaves summary { cursor: pointer; }
.pager { display: flex; justify-content: space-between; margin: 34px 0; font-size: 0.9rem; }
.patron-row { display: flex; gap: 22px; flex-wrap: wrap; align-items: flex-start; margin: 18px 0 6px; }
.patron-buy summary { cursor: pointer; color: var(--gold); }
.patron-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0 0; }
.patron-form input { width: auto; min-width: 220px; margin: 0; }
.patron-msg { flex-basis: 100%; margin: 4px 0 0; }
.patron-msg.ember, .patron-form .ember { color: var(--ember); }
.report { margin-top: 8px; opacity: 0.7; }

/* burn page */
.token-form label { display: block; margin: 14px 0; }
.token-form input[type='text'], .token-form input:not([type]) {
  display: block;
  width: 100%;
  max-width: 380px;
  margin-top: 6px;
  padding: 10px 12px;
  background: var(--moss);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--parchment);
  font-family: var(--mono);
}
/* keep the age checkbox inline with its label (the global form-input rule below
   forces width:100%, which would break the checkbox onto its own line) */
.token-form label.check { display: flex; align-items: center; gap: 10px; margin: 16px 0; }
.token-form input[type='checkbox'] { width: auto; margin: 0; flex: none; }
/* breathing room around the Turnstile widget so it isn't glued to the button */
.token-form .cf-turnstile { margin: 20px 0; }
.token-result { margin-top: 18px; }
.tokenbox {
  padding: 14px;
  background: #000;
  border: 1px solid var(--ember);
  border-radius: 4px;
  color: var(--ember);
  word-break: break-all;
  margin: 10px 0;
}
.tabs { margin-top: 8px; }
.tab-heads { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tab-head {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--parchment-dim);
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8rem;
}
.tab-head.active { border-color: var(--ember); color: var(--ember); }
.tab-body { display: none; }
.tab-body.active { display: block; }
.promptbox {
  white-space: pre-wrap;
  overflow-wrap: anywhere; /* break long unbroken tokens (author key, URLs) so they wrap instead of overflowing */
  background: #000;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #d9d2c0;
}
.steps li { margin: 10px 0; }

/* step 2 — client picker + connect/prompt blocks */
.picker-label { display: block; margin: 6px 0 4px; }
#client-picker {
  display: block;
  margin-top: 6px;
  padding: 10px 40px 10px 14px;
  background-color: var(--moss-2);
  /* custom ember chevron so it reads as a dropdown, not a text input */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23e85d2c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px 8px;
  border: 1px solid var(--ember);
  border-radius: 4px;
  color: var(--parchment);
  font-family: var(--mono);
  font-size: 0.95rem;
  min-width: min(340px, 100%);
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
#client-picker:hover { background-color: var(--moss); }
#client-picker:focus-visible { outline: 2px solid var(--ember); outline-offset: 1px; }
.setup-block { margin-top: 20px; }
.setup-block p { margin: 8px 0; }
.setup-block .promptbox { margin-bottom: 10px; }
.btn.linkish {
  background: transparent;
  border: none;
  color: var(--ember);
  padding: 0 4px;
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
}
.adv { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 16px; }
.fastpath {
  border: 1px solid var(--ember);
  border-radius: 8px;
  padding: 16px 18px;
  background: rgba(200, 80, 30, 0.06);
}
.fastpath .promptbox { border-color: var(--ember); }

/* collapsible panels (Step 2, What-happens-next) */
details.panel > summary { list-style: none; cursor: pointer; }
details.panel > summary::-webkit-details-marker { display: none; }
details.panel[open] > summary .step2-chevron { transform: rotate(90deg); }
.step2-summary { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.step2-title { font-size: 0.95rem; letter-spacing: 2px; color: var(--parchment); }
.step2-chevron { display: inline-block; color: var(--ember); transition: transform 0.2s ease; }
details.step2[open] .step2-hint { display: none; }
.whatnext > summary { font-size: 0.95rem; letter-spacing: 2px; color: var(--parchment); }
.connect-wrap { margin-top: 18px; }
.scrollbox { max-height: 320px; overflow: auto; }
/* Agentic ⇄ Chat segmented toggle — swaps the panel below in the same space */
.mode-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; margin: 4px 0 20px; }
.mode-btn {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--parchment-dim);
  padding: 10px 18px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.mode-btn:first-child { border-left: 0; }
.mode-btn.active { background: rgba(232, 93, 44, 0.14); color: var(--ember); }
.mode-panel[hidden] { display: none; }
.oneliner-box { border-color: var(--ember); }
/* collapsed ritual prompt — one line + copy, expandable to view */
.prompt-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.prompt-view { margin-top: 12px; }
.prompt-view > summary { list-style: none; cursor: pointer; color: var(--parchment-dim); }
.prompt-view > summary::-webkit-details-marker { display: none; }
.prompt-view > summary::before { content: '▸'; color: var(--ember); margin-right: 6px; }
.prompt-view[open] > summary::before { content: '▾'; }
.prompt-view .promptbox { margin-top: 10px; }

/* paste form */
form label { display: block; margin: 14px 0; }
form input, form textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  background: var(--moss);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--parchment);
  font-family: inherit;
  font-size: 0.95rem;
}
form textarea { font-family: var(--serif); }

/* tree */
.tree-wrap { position: relative; height: calc(100vh - 64px); }
#tree-canvas { width: 100%; height: 100%; display: block; touch-action: none; }
.tree-tip {
  position: absolute;
  pointer-events: none;
  background: rgba(10, 13, 11, 0.94);
  border: 1px solid var(--gold);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 0.75rem;
  color: var(--parchment);
  max-width: 260px;
}
.tree-legend { position: absolute; bottom: 14px; left: 16px; display: flex; gap: 14px; color: var(--parchment-dim); }

/* certificate */
.cert-frame {
  border: 3px double var(--gold);
  padding: 44px;
  margin: 30px 0;
  background: var(--parchment);
  color: var(--ink);
  text-align: center;
}
.cert-excerpt { font-style: italic; font-size: 1.1rem; margin: 26px 0; }
@media print {
  .site-head, .site-foot, .no-print { display: none !important; }
  body, body.reading main { background: white; }
  .cert-frame { border-color: #8a6d1f; margin: 0; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  .site-head nav a { margin-left: 12px; font-size: 0.75rem; }
  .stat-row { gap: 16px; }
}

/* house ad — first-party sponsored card (dormant until creatives exist) */
.house-ad { max-width: 760px; margin: 40px auto 0; padding: 0 20px; }
.house-ad__link {
  --ad-accent: var(--ember);
  --ad-accent-deep: #b8461f;
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(232, 93, 44, 0.06), rgba(232, 93, 44, 0.02)), var(--moss-2);
  color: var(--parchment);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}
.house-ad__link:hover { border-color: var(--ad-accent); transform: translateY(-1px); text-decoration: none; }
.house-ad__badge {
  position: absolute; top: 9px; right: 10px;
  font-family: var(--mono); font-size: 0.6rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: #8a857a; border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; background: var(--moss);
}
.house-ad__body { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.house-ad__brand { font-family: var(--mono); font-size: 0.68rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--ad-accent); }
.house-ad__headline { font-size: 1.02rem; font-weight: 600; line-height: 1.25; }
.house-ad__text { font-size: 0.85rem; color: var(--parchment-dim); line-height: 1.4; }
.house-ad__cta {
  flex: 0 0 auto; align-self: center; font-family: var(--mono); font-size: 0.82rem; font-weight: 600;
  white-space: nowrap; padding: 8px 16px; border-radius: 999px; color: #fff; background: var(--ad-accent);
}
.house-ad__link:hover .house-ad__cta { background: var(--ad-accent-deep); }
@media (max-width: 600px) { .house-ad__cta { display: none; } }