/* Bitcoin vs The Moon - public + admin styles.
   Dark by default; the subject matter is the night sky. */

:root {
  --bg: #0b0d14;
  --bg-raised: #12151f;
  --bg-sunken: #090b11;
  --border: #23283a;
  --border-soft: #1a1e2c;
  --ink: #e8e8ea;
  --ink-dim: #a4a8b8;
  --ink-faint: #6f7488;
  --gold: #ffd54a;
  --blue: #5a9bff;
  --green: #4ecb8d;
  --red: #ff6b6b;
  --amber: #ffa94d;
  --purple: #b388ff;
  --radius: 10px;
  --wrap: 1140px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.75rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--gold);
  color: #000; padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 0; }

/* ---------- header ---------- */
.site-header {
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand-moon { font-size: 1.3rem; }
.brand-text em { color: var(--ink-faint); font-style: normal; font-weight: 400; }

.site-nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: .92rem; }
.site-nav a { color: var(--ink-dim); }
.site-nav a:hover { color: var(--gold); text-decoration: none; }
.site-nav .nav-admin { color: var(--purple); font-weight: 600; }
/* External interactive tool, not a site page - marked so it reads as a detour. */
.site-nav .nav-tool { color: var(--blue); }
.site-nav .nav-tool::after { content: " \2197"; font-size: .85em; opacity: .7; }

.experiment-banner {
  background: linear-gradient(90deg, rgba(255,213,74,.09), rgba(90,155,255,.09));
  border-bottom: 1px solid var(--border-soft);
  font-size: .86rem; color: var(--ink-dim); padding: 9px 0;
}
.experiment-banner strong { color: var(--gold); }

main { padding: 32px 16px 64px; }

/* ---------- labels ---------- */
.label {
  display: inline-block; font-family: var(--mono); font-size: .68rem;
  letter-spacing: .09em; text-transform: uppercase; font-weight: 700;
  padding: 3px 8px; border-radius: 4px; border: 1px solid;
  vertical-align: middle;
}
.label-observation      { color: var(--blue);   border-color: rgba(90,155,255,.45);  background: rgba(90,155,255,.10); }
.label-hypothesis       { color: var(--purple); border-color: rgba(179,136,255,.45); background: rgba(179,136,255,.10); }
.label-prediction       { color: var(--gold);   border-color: rgba(255,213,74,.45);  background: rgba(255,213,74,.10); }
.label-result           { color: var(--green);  border-color: rgba(78,203,141,.45);  background: rgba(78,203,141,.10); }
.label-research_update  { color: var(--ink-dim);border-color: var(--border);         background: rgba(255,255,255,.04); }
.label-experimental     { color: var(--amber);  border-color: rgba(255,169,77,.45);  background: rgba(255,169,77,.10); }
.label-experiment       { color: var(--green);  border-color: rgba(78,203,141,.45);  background: rgba(78,203,141,.10); }
.label-article          { color: var(--ink-dim);border-color: var(--border);         background: rgba(255,255,255,.04); }

.outcome {
  display: inline-block; font-size: .78rem; font-weight: 600;
  padding: 2px 9px; border-radius: 999px; border: 1px solid;
}
.outcome-consistent           { color: var(--green);  border-color: rgba(78,203,141,.5); }
.outcome-partially_consistent { color: var(--amber);  border-color: rgba(255,169,77,.5); }
.outcome-inconsistent         { color: var(--red);    border-color: rgba(255,107,107,.5); }
.outcome-invalidated          { color: var(--red);    border-color: rgba(255,107,107,.5); }
.outcome-inconclusive         { color: var(--ink-dim);border-color: var(--border); }
.outcome-pending              { color: var(--blue);   border-color: rgba(90,155,255,.5); }

/* ---------- cards & layout ---------- */
.card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 18px;
}
.card h2, .card h3 { margin-top: 0; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

.section { margin: 40px 0; }
.section > h2 { border-bottom: 1px solid var(--border-soft); padding-bottom: 10px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.section-head .more { font-size: .88rem; }

.muted { color: var(--ink-dim); }
.faint { color: var(--ink-faint); font-size: .86rem; }
.mono { font-family: var(--mono); }
.center { text-align: center; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(900px 340px at 82% -12%, rgba(255,213,74,.14), transparent 70%),
    radial-gradient(700px 300px at 8% 108%, rgba(90,155,255,.12), transparent 70%),
    var(--bg-raised);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 40px 32px; margin-bottom: 30px;
}
.hero h1 { max-width: 20ch; }
.hero .lede { font-size: 1.12rem; color: var(--ink-dim); max-width: 62ch; }
.hero .question {
  font-size: 1.05rem; color: var(--gold); font-style: italic;
  border-left: 3px solid var(--gold); padding-left: 16px; margin: 22px 0 0; max-width: 60ch;
}

/* ---------- stat tiles ---------- */
.stat {
  background: var(--bg-sunken); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 15px 17px;
}
.stat .k { font-size: .74rem; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-faint); }
.stat .v { font-size: 1.5rem; font-weight: 700; font-family: var(--mono); margin-top: 3px; }
.stat .d { font-size: .82rem; color: var(--ink-dim); }
.v-up { color: var(--green); }
.v-down { color: var(--red); }
.v-gold { color: var(--gold); }
.v-blue { color: var(--blue); }

/* ---------- the locked prediction box (spec s16) ---------- */
.locked-box {
  border: 2px solid var(--gold); border-radius: var(--radius);
  background: rgba(255,213,74,.05); padding: 20px; margin: 20px 0;
}
.locked-box .locked-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: .78rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--gold); font-weight: 700; margin-bottom: 12px;
}
.locked-box .locked-head .lock { font-size: .95rem; }
.locked-box dl { margin: 0; }
.locked-box dt {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--ink-faint); margin-top: 14px;
}
.locked-box dd { margin: 4px 0 0; }

.result-block {
  border-left: 3px solid var(--green); background: var(--bg-sunken);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 16px 20px; margin: 16px 0;
}
.result-block .result-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px;
}

/* ---------- provenance notice (spec s10) ---------- */
.provenance-notice {
  background: rgba(255,169,77,.08); border: 1px solid rgba(255,169,77,.35);
  border-radius: var(--radius); padding: 12px 16px; margin: 16px 0;
  font-size: .89rem; color: var(--amber);
}
.provenance-notice strong { color: var(--amber); }

.disclaimer {
  border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 14px 18px; margin: 24px 0; font-size: .89rem; color: var(--ink-dim);
}

/* ---------- lists ---------- */
.entry-list { list-style: none; margin: 0; padding: 0; }
.entry-list li {
  border-bottom: 1px solid var(--border-soft); padding: 16px 0;
}
.entry-list li:last-child { border-bottom: none; }
.entry-title { font-size: 1.06rem; font-weight: 600; margin: 8px 0 4px; display: block; color: var(--ink); }
.entry-title:hover { color: var(--gold); text-decoration: none; }
.entry-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: .8rem; color: var(--ink-faint); }

.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { border-bottom: 1px solid var(--border-soft); padding: 13px 0; }
.news-list li:last-child { border-bottom: none; }
.news-cat {
  font-family: var(--mono); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .07em; color: var(--blue);
}
.news-head { display: block; font-weight: 600; color: var(--ink); margin: 3px 0; }
.news-head:hover { color: var(--gold); }
.news-src { font-size: .8rem; color: var(--ink-faint); }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border-soft); }
th { color: var(--ink-faint); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
td.num, th.num { text-align: right; font-family: var(--mono); }
.table-wrap { overflow-x: auto; }

/* ---------- prose ---------- */
.prose { max-width: 72ch; }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.5em; }
.prose blockquote {
  border-left: 3px solid var(--border); margin: 1.4em 0; padding: 2px 0 2px 18px; color: var(--ink-dim);
}
.prose code {
  font-family: var(--mono); font-size: .88em; background: var(--bg-sunken);
  padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border-soft);
}
.prose pre { background: var(--bg-sunken); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 14px; overflow-x: auto; }
.prose pre code { border: none; padding: 0; background: none; }
.prose img { max-width: 100%; height: auto; border-radius: var(--radius); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: .35em 0; }

/* ---------- forms & buttons ---------- */
.btn {
  display: inline-block; background: var(--gold); color: #0b0d14;
  font-weight: 700; padding: 10px 20px; border-radius: 8px; border: none;
  cursor: pointer; font-size: .95rem; font-family: inherit;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 6px 13px; font-size: .84rem; }

label { display: block; font-size: .84rem; color: var(--ink-dim); margin: 14px 0 5px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=datetime-local], select, textarea {
  width: 100%; background: var(--bg-sunken); border: 1px solid var(--border);
  color: var(--ink); border-radius: 8px; padding: 10px 12px;
  font-family: inherit; font-size: .95rem;
}
textarea { min-height: 150px; resize: vertical; font-family: var(--mono); font-size: .88rem; line-height: 1.55; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(255,213,74,.45); outline-offset: 1px; border-color: var(--gold); }
.form-narrow { max-width: 440px; }
.field-hint { font-size: .8rem; color: var(--ink-faint); margin-top: 4px; }
.form-actions { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.flashes { margin-bottom: 20px; }
.flash { padding: 11px 16px; border-radius: 8px; margin-bottom: 9px; font-size: .92rem; border: 1px solid; }
.flash-success { color: var(--green); border-color: rgba(78,203,141,.4); background: rgba(78,203,141,.08); }
.flash-error   { color: var(--red);   border-color: rgba(255,107,107,.4); background: rgba(255,107,107,.08); }
.flash-warning { color: var(--amber); border-color: rgba(255,169,77,.4); background: rgba(255,169,77,.08); }
.flash-info    { color: var(--blue);  border-color: rgba(90,155,255,.4); background: rgba(90,155,255,.08); }

/* ---------- admin ---------- */
.admin-shell { display: grid; grid-template-columns: 210px 1fr; gap: 26px; align-items: start; }
.admin-nav {
  position: sticky; top: 76px; background: var(--bg-raised);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 14px;
}
.admin-nav a {
  display: block; padding: 7px 10px; border-radius: 6px;
  color: var(--ink-dim); font-size: .9rem;
}
.admin-nav a:hover, .admin-nav a.active { background: rgba(255,213,74,.10); color: var(--gold); text-decoration: none; }
.admin-nav h5 {
  margin: 14px 0 5px; font-size: .68rem; text-transform: uppercase;
  letter-spacing: .09em; color: var(--ink-faint); padding: 0 10px;
}
.admin-nav h5:first-child { margin-top: 0; }

.budget-bar { height: 8px; background: var(--bg-sunken); border-radius: 999px; overflow: hidden; margin: 8px 0 4px; border: 1px solid var(--border-soft); }
.budget-bar > span { display: block; height: 100%; background: var(--green); }
.budget-bar.warn > span { background: var(--amber); }
.budget-bar.over > span { background: var(--red); }

.chat { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.msg { border-radius: var(--radius); padding: 14px 17px; border: 1px solid var(--border); max-width: 90%; }
.msg-user { background: rgba(90,155,255,.08); border-color: rgba(90,155,255,.3); align-self: flex-end; }
.msg-assistant { background: var(--bg-raised); align-self: flex-start; }
.msg-role { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); margin-bottom: 6px; }

.privacy-strip {
  background: rgba(179,136,255,.10); border: 1px solid rgba(179,136,255,.35);
  color: var(--purple); border-radius: var(--radius); padding: 11px 16px;
  font-size: .87rem; margin-bottom: 20px;
}

.pill-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.pill {
  font-size: .78rem; padding: 4px 11px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--ink-dim);
}
.pill.active, .pill:hover { border-color: var(--gold); color: var(--gold); text-decoration: none; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border); background: var(--bg-sunken);
  padding: 36px 0 20px; margin-top: 60px; font-size: .9rem;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 26px; }
.footer-grid h4 { font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); }
.footer-grid a { display: block; color: var(--ink-dim); padding: 3px 0; }
.footer-grid a:hover { color: var(--gold); }
.footer-note { grid-column: span 2; color: var(--ink-faint); font-size: .84rem; }
.footer-note .free-note { color: var(--green); }
.footer-base { border-top: 1px solid var(--border-soft); margin-top: 26px; padding-top: 16px; color: var(--ink-faint); font-size: .82rem; }

@media (max-width: 760px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav { position: static; }
  .footer-note { grid-column: span 1; }
  .hero { padding: 28px 20px; }
  main { padding-top: 22px; }
}