/* Fossil Relic — PuzzleMint TEST site.
   Warm fossil/amber editorial cover design: deep espresso-stone ground,
   bone ink, one amber accent, warm hairlines, serif display type,
   monospace labels. Zero dependencies, system font stacks only —
   works fully offline. */
:root {
  --bg: #161009;
  --panel: #1d150b;
  --panel2: #271c0f;
  --ink: #ece4d4;
  --dim: #ab9c7c;
  --accent: #e8a33d;
  --accent-ink: #201304;
  --err: #ff7a52;
  --line: #3b2d19;
  --cell: #211809;
  --cell-on: #e8a33d;
  --wood: #8a6538;
  --bronze: #b57e41;
  --silver: #c9ced4;
  --gold: #e9bc45;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --disp: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino,
          "Times New Roman", Times, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); line-height: 1.5;
  max-width: 1060px; margin-inline: auto; padding: 0 1.4rem 2rem;
}
::selection { background: var(--accent); color: var(--accent-ink); }
.mono { font-family: var(--mono); }
.dim { color: var(--dim); }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: .92em; color: var(--accent); }
p { max-width: 44rem; }

/* ── Header bar ─────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  border-bottom: 1px solid var(--line); padding: .9rem 0;
}
.brand {
  font-family: var(--disp); font-weight: 700; text-transform: uppercase;
  font-size: 1.5rem; letter-spacing: .04em; color: var(--ink); text-decoration: none;
}
.edition {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .28em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--line); padding: .3rem .55rem;
}
.topnav { margin-left: auto; display: flex; gap: 1.3rem; }
.topnav a {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--dim); text-decoration: none;
}
.topnav a:hover { color: var(--accent); }

/* ── Cover / hero ───────────────────────────────────────────── */
.cover { padding: 3.2rem 0 2rem; border-bottom: 1px solid var(--line); }
.kicker {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .34em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 1.2rem;
}
.display {
  font-family: var(--disp); font-weight: 700; text-transform: uppercase;
  line-height: .95; letter-spacing: .005em; margin: 0;
}
.display span { display: block; }
.d-small {
  font-family: var(--mono); font-weight: 400; font-size: clamp(.85rem, 2.4vw, 1.15rem);
  letter-spacing: .5em; color: var(--dim); margin-bottom: 1rem;
}
.d-huge { font-size: clamp(4.8rem, 19vw, 12.5rem); }
.d-huge.accent { color: var(--accent); font-style: italic; text-transform: none; }
.headline {
  font-family: var(--disp); font-size: clamp(1.8rem, 4.8vw, 3rem); font-weight: 700;
  letter-spacing: 0; margin: 2.4rem 0 .5rem;
}
.subline { color: var(--dim); font-size: 1.05rem; margin: 0 0 1.8rem; }
.cta-row { margin: 0 0 1rem; }
.cta {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  border: 1px solid var(--accent); text-decoration: none;
  font-family: var(--mono); font-size: .85rem; letter-spacing: .16em;
  text-transform: uppercase; padding: .95rem 1.7rem;
}
.cta:hover { background: transparent; color: var(--accent); }
.microcopy {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .06em;
  color: var(--dim); margin: 0 0 2rem;
}

/* ── Status strip ───────────────────────────────────────────── */
.strip {
  display: flex; flex-wrap: wrap; align-items: stretch;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: .7rem; letter-spacing: .14em;
  text-transform: uppercase;
}
.strip-item {
  display: flex; align-items: center; gap: .45rem;
  padding: .6rem .9rem; border-right: 1px solid var(--line);
}
.strip-item:last-child { border-right: none; }
.strip-item button {
  padding: .1rem .45rem; font-size: .66rem; letter-spacing: .1em;
}
#healthDetail { text-transform: none; letter-spacing: .02em; word-break: break-all; }
.ok { color: var(--accent); }
.fail { color: var(--err); }

details.config { margin: 1rem 0 0; color: var(--dim); font-size: .85rem; }
details.config summary { cursor: pointer; font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
details.config pre {
  background: var(--panel); border: 1px solid var(--line);
  padding: .7rem; overflow: auto; font-size: .78rem;
}

/* ── Numbered sections ──────────────────────────────────────── */
.doc { border-bottom: 1px solid var(--line); padding: 2.4rem 0 2.6rem; }
.doc-head {
  display: flex; align-items: baseline; gap: 1.1rem; flex-wrap: wrap;
  margin-bottom: 1.3rem;
}
.doc-no {
  font-family: var(--mono); font-size: 1rem; color: var(--accent);
  letter-spacing: .1em;
}
.doc-title {
  font-family: var(--disp); font-weight: 700; text-transform: uppercase;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem); letter-spacing: .02em; margin: 0;
  line-height: 1.05;
}
.doc-note {
  margin-left: auto; font-family: var(--mono); font-size: .7rem;
  letter-spacing: .22em; text-transform: uppercase; color: var(--dim);
}
.subhead { font-family: var(--disp); font-size: 1.15rem; margin: 1.4rem 0 .6rem; font-weight: 700; }
.subhead:first-child { margin-top: 0; }
.note { color: var(--dim); font-size: .92rem; }

/* ── Forms & buttons ────────────────────────────────────────── */
label {
  display: block; margin: .7rem 0; font-size: .78rem; color: var(--dim);
  font-family: var(--mono); letter-spacing: .1em; text-transform: uppercase;
}
input[type="text"], textarea {
  display: block; width: 100%; margin-top: .35rem;
  background: var(--panel2); color: var(--ink);
  border: 1px solid var(--line); padding: .55rem .65rem;
  font-size: .85rem; letter-spacing: normal; text-transform: none;
}
input[type="text"]:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea#agentPrompt { font-size: .78rem; line-height: 1.55; }
fieldset.levels { border: 1px solid var(--line); margin: .9rem 0; padding: .4rem .8rem .6rem; }
fieldset.levels legend {
  font-family: var(--mono); font-size: .78rem; color: var(--dim);
  letter-spacing: .1em; text-transform: uppercase; padding: 0 .4rem;
}
label.level-opt {
  display: block; margin: .45rem 0; cursor: pointer;
  letter-spacing: normal; text-transform: none; font-size: .85rem; color: var(--ink);
}
label.level-opt input[type="radio"] { accent-color: var(--accent); margin-right: .45rem; }
button {
  background: transparent; color: var(--ink); cursor: pointer;
  border: 1px solid var(--line); padding: .55rem 1rem;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase;
}
button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
button:disabled { opacity: .45; cursor: wait; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 700; }
button.primary:hover:not(:disabled) { background: transparent; color: var(--accent); }
.row { display: flex; gap: .6rem; align-items: center; margin-top: .8rem; flex-wrap: wrap; }
.hint { color: var(--dim); font-size: .88rem; }
.error {
  background: #2a120b; border: 1px solid var(--err); color: #ffb59d;
  padding: .6rem .8rem; margin-top: .8rem;
  white-space: pre-wrap; word-break: break-word; font-size: .85rem;
}
.progress { height: 6px; background: var(--panel2); overflow: hidden; margin-top: .5rem; }
.progress > div { height: 100%; width: 0; background: var(--accent); transition: width .3s; }
pre.scroll {
  overflow: auto; max-height: 340px; background: var(--panel2);
  border: 1px solid var(--line); padding: .7rem; font-size: .78rem;
}
.countdown { color: var(--accent); }

/* ── Rarity ladder ──────────────────────────────────────────── */
.ladder { display: flex; height: 10px; border: 1px solid var(--line); margin: 1.2rem 0 .4rem; }
.seg-wood   { flex: 55 1 0; background: var(--wood); }
.seg-bronze { flex: 35 1 0; background: var(--bronze); }
.seg-silver { flex: 8 1 0;  background: var(--silver); }
.seg-gold   { flex: 2 1 0;  background: var(--gold); }
.rarity-rows { list-style: none; margin: 0; padding: 0; }
.rarity-rows li {
  display: flex; align-items: baseline; gap: 1.1rem; flex-wrap: wrap;
  padding: .85rem 0; border-bottom: 1px solid var(--line);
}
.chip { width: 13px; height: 13px; flex: none; align-self: center; border: 1px solid var(--line); }
.chip-wood { background: var(--wood); }
.chip-bronze { background: var(--bronze); }
.chip-silver { background: var(--silver); }
.chip-gold { background: var(--gold); }
.r-name {
  font-family: var(--disp); font-weight: 700; text-transform: uppercase;
  font-size: clamp(1.35rem, 4vw, 2rem); line-height: 1.05; min-width: 7.5rem;
}
.r-tier { font-family: var(--mono); font-size: .72rem; letter-spacing: .22em; text-transform: uppercase; color: var(--dim); }
.r-pct { margin-left: auto; font-family: var(--mono); font-size: 1rem; color: var(--accent); }
.r-count { font-family: var(--mono); font-size: .9rem; color: var(--dim); min-width: 3.6rem; text-align: right; }

/* ── Footer ─────────────────────────────────────────────────── */
footer { color: var(--dim); font-size: .82rem; padding-top: 1.4rem; }

/* ── Nonogram ───────────────────────────────────────────────── */
.nonogram { border-collapse: collapse; user-select: none; margin-top: .5rem; }
.nonogram td, .nonogram th { width: 26px; height: 26px; text-align: center; padding: 0; }
.nonogram .clue { font-size: .62rem; color: var(--dim); line-height: 1.15; white-space: pre-line; vertical-align: bottom; }
.nonogram .rclue { text-align: right; padding-right: 6px; width: auto; white-space: nowrap; }
.nonogram .cell { background: var(--cell); border: 1px solid var(--line); cursor: pointer; }
.nonogram .cell.on { background: var(--cell-on); }
.nonogram .cell.mark { color: var(--dim); font-size: .8rem; }
.nonogram .cell.mark::after { content: "×"; }
.nonogram td.b5r { border-right: 2px solid var(--dim); }
.nonogram td.b5b { border-bottom: 2px solid var(--dim); }

/* ── Sliding ────────────────────────────────────────────────── */
.sliding { display: grid; grid-template-columns: repeat(4, 64px); gap: 6px; margin-top: .5rem; outline: none; }
.sliding .tile {
  height: 64px; font-size: 1.3rem; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  background: var(--panel2); border: 1px solid var(--line);
}
.sliding .tile.movable { cursor: pointer; border-color: var(--accent); }
.sliding .tile.blank { background: transparent; border-style: dashed; color: transparent; }
.moves { word-break: break-all; }
.solved { color: var(--accent); font-weight: 600; }

/* ── SAT ────────────────────────────────────────────────────── */
.clauses { font-size: .75rem; }
.kv { font-size: .85rem; }
.kv b { color: var(--accent); font-weight: 600; }

/* ── Small screens ──────────────────────────────────────────── */
@media (max-width: 640px) {
  body { padding: 0 1rem 1.5rem; }
  .cover { padding: 2.2rem 0 1.6rem; }
  .topnav { margin-left: 0; gap: .95rem; flex-wrap: wrap; }
  .doc { padding: 1.8rem 0 2rem; }
  .doc-note { margin-left: 0; }
  .r-name { min-width: 5.5rem; }
  .nonogram td, .nonogram th { width: 20px; height: 20px; }
  .sliding { grid-template-columns: repeat(4, 54px); }
  .sliding .tile { height: 54px; }
  .strip-item { padding: .5rem .65rem; }
}