:root {
  --bg: #ffffff;
  --fg: #1d1d1f;
  --muted: #6b6b70;
  --line: #d9d9de;
  --row-alt: #f6f6f8;
  --accent: #3b5bdb;
  --accent-fg: #ffffff;
  --latest: #fff7d6;
  --hot: #e8590c;
  --warm: #f08c00;
  --tepid: #74b816;
  --cool: #1c7ed6;
  --cold: #5f3dc4;
  --win: #2b8a3e;
  --bar-bg: #ececf0;
  --hot-bg: #fff0e6;
  --prize: #8a5a00;
  --prize-bg: #fff4d1;
  --prize-line: #e0b440;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17171a;
    --fg: #ececf0;
    --muted: #9a9aa3;
    --line: #34343a;
    --row-alt: #1f1f23;
    --accent: #748ffc;
    --accent-fg: #0b0b0d;
    --latest: #3a3214;
    --bar-bg: #2a2a30;
    --hot-bg: #3a2216;
    --prize: #f5c451;
    --prize-bg: #2e2612;
    --prize-line: #8a6a1c;
  }
}
:root[data-theme="dark"] {
  --bg: #17171a; --fg: #ececf0; --muted: #9a9aa3; --line: #34343a; --row-alt: #1f1f23;
  --accent: #748ffc; --accent-fg: #0b0b0d; --latest: #3a3214; --bar-bg: #2a2a30;
  --hot-bg: #3a2216; --prize: #f5c451; --prize-bg: #2e2612; --prize-line: #8a6a1c;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 16px; }
header { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
h1 { margin: 8px 0; font-size: 2rem; letter-spacing: -0.02em; }
.puzzle-meta { margin: 0; color: var(--muted); }

.howto { margin: 4px 0 16px; color: var(--muted); }
.howto summary { cursor: pointer; color: var(--fg); }
.howto ul { padding-left: 20px; }

.guess-form { display: flex; gap: 8px; }
.guess-form input {
  flex: 1; min-width: 0; padding: 10px 12px; font: inherit; color: var(--fg);
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
}
.guess-form input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button {
  font: inherit; padding: 10px 18px; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-fg); cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: default; }
button.secondary { background: transparent; color: var(--fg); border-color: var(--line); }
a.button {
  display: inline-block; font: inherit; padding: 10px 18px; border-radius: 6px; text-decoration: none;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg);
}

.hints {
  list-style: none; margin: 8px 0 12px; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--row-alt);
}
.hints li + li { margin-top: 4px; }
/* Prize hints: earned by close guesses, so they look like rewards, not help. */
.hints li.prize {
  margin-left: -8px; margin-right: -8px; padding: 6px 8px; border-radius: 6px;
  color: var(--prize); background: var(--prize-bg); border: 1px solid var(--prize-line);
}
.hints li.prize.locked {
  color: var(--muted); background: transparent; border-style: dashed; border-color: var(--line);
  font-size: 0.9em;
}
.hints li.prize.new { animation: prize-pop 0.9s ease-out; }
@keyframes prize-pop {
  0% { transform: scale(0.96); box-shadow: 0 0 0 0 var(--prize-line); }
  40% { transform: scale(1.02); box-shadow: 0 0 0 6px transparent; }
  100% { transform: scale(1); }
}
.cinephile { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.cinephile p { margin: 0; }

.message { min-height: 1.5em; margin: 8px 0; color: var(--muted); }
.message.error { color: var(--hot); }

.picker {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px; margin-bottom: 12px;
}
.picker p { margin: 4px 6px 8px; color: var(--muted); }
.picker button.cand {
  display: block; width: 100%; text-align: left; margin: 2px 0; padding: 8px 10px;
  background: transparent; color: var(--fg); border: 1px solid transparent;
}
.picker button.cand:hover, .picker button.cand:focus {
  border-color: var(--accent); outline: none; background: var(--row-alt);
}
.cand .cat { color: var(--muted); font-size: 0.85em; margin-left: 6px; }
.cand .detail { display: block; color: var(--muted); font-size: 0.85em; }

.guesses { width: 100%; border-collapse: collapse; margin-top: 8px; }
.guesses th, .guesses td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--line); }
.guesses th { font-size: 0.85em; color: var(--muted); font-weight: 600; }
.guesses .num { text-align: right; font-variant-numeric: tabular-nums; width: 1%; white-space: nowrap; }
.guesses td.cat { color: var(--muted); font-size: 0.9em; }
#latest tr { background: var(--latest); }
#latest tr td { border-bottom: 3px double var(--line); }
#sorted tr:nth-child(even), #explore tr:nth-child(even) { background: var(--row-alt); }
#explore tr.explore-head td {
  background: var(--bg); color: var(--fg); font-weight: 600; font-size: 0.9em;
  padding-top: 18px; border-bottom: 2px solid var(--line);
}
#explore tr.explore-head span { color: var(--muted); font-weight: 400; }
tr.target td { color: var(--win); font-weight: 600; }
tr.clickable { cursor: pointer; -webkit-tap-highlight-color: transparent; }
.caret { color: var(--muted); font-size: 0.8em; }
tr.chain td { font-size: 0.85em; color: var(--muted); background: var(--bg); }

/* Heat cues live in the Links cell and the row itself, so they survive on phones where
   the "Getting close?" column is narrowed or hidden. */
.links { font-weight: 700; white-space: nowrap; }
.guesses tr.heat-t0 td:first-child { box-shadow: inset 4px 0 0 var(--hot); }
.guesses tr.heat-t1 td:first-child { box-shadow: inset 4px 0 0 var(--warm); }
.guesses tr.heat-t2 td:first-child { box-shadow: inset 4px 0 0 var(--tepid); }
.guesses tr.heat-twin td:first-child { box-shadow: inset 4px 0 0 var(--win); }
#sorted tr.heat-t0, #sorted tr.heat-t0:nth-child(even),
#explore tr.heat-t0, #explore tr.heat-t0:nth-child(even) { background: var(--hot-bg); }
#latest tr.heat-t0 { animation: hot-flash 1.2s ease-out; }
@keyframes hot-flash { 0% { background: var(--hot); } 100% { background: var(--latest); } }
@media (prefers-reduced-motion: reduce) {
  #latest tr.heat-t0, .hints li.prize.new { animation: none; }
}

.chain-line { margin-bottom: 6px; }
.conns { display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto;
  -webkit-overflow-scrolling: touch; }
.conn-group { display: flex; flex-wrap: wrap; gap: 4px; align-items: baseline; }
.conn-label { font-weight: 600; color: var(--fg); margin-right: 4px; }
.conn {
  display: inline-block; font-size: 0.95em; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg); color: var(--fg);
}
button.conn:hover, button.conn:focus { border-color: var(--accent); outline: none; }
.conn .cs { color: var(--muted); font-size: 0.85em; margin-left: 4px; white-space: nowrap; }
.conn.guessed { color: var(--muted); text-decoration: line-through; }
.conn-note { margin: 6px 0 0; font-size: 0.9em; }

.temp { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.bar { width: 80px; height: 8px; background: var(--bar-bg); border-radius: 4px; overflow: hidden; flex: none; }
.bar span { display: block; height: 100%; }
.t0 { color: var(--hot); } .t0 .bar span { background: var(--hot); }
.t1 { color: var(--warm); } .t1 .bar span { background: var(--warm); }
.t2 { color: var(--tepid); } .t2 .bar span { background: var(--tepid); }
.t3 { color: var(--cool); } .t3 .bar span { background: var(--cool); }
.t4 { color: var(--cold); } .t4 .bar span { background: var(--cold); }
.twin { color: var(--win); } .twin .bar span { background: var(--win); }

.actions { margin-top: 16px; display: flex; gap: 8px; }
footer { margin-top: 32px; color: var(--muted); font-size: 0.8em; }
.footer-links { font-size: 1.15em; }
.footer-links a { color: var(--accent); }
.contact a { color: var(--muted); }

.archive { list-style: none; margin: 12px 0 0; padding: 0; max-height: 60vh; overflow-y: auto; }
.archive li {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 8px 4px; border-bottom: 1px solid var(--line);
}
.archive li.current { background: var(--row-alt); }
.archive a { color: var(--fg); text-decoration: none; font-weight: 600; }
.archive .pnum { color: var(--accent); }
.archive .today { font-size: 0.75em; color: var(--accent-fg); background: var(--accent);
  padding: 1px 6px; border-radius: 999px; vertical-align: 1px; }
.archive .pstatus { color: var(--muted); font-size: 0.9em; }

dialog.result {
  max-width: 520px; width: calc(100% - 32px); border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg); color: var(--fg); padding: 24px;
}
dialog.result::backdrop { background: rgba(0, 0, 0, 0.5); }
dialog .close {
  position: absolute; top: 8px; right: 8px; background: transparent; color: var(--muted);
  border: none; font-size: 1.5rem; padding: 4px 10px;
}
.result h2 { margin: 0 0 4px; }
.result .film { font-size: 1.4rem; font-weight: 700; margin: 8px 0 4px; }
.result .crew { color: var(--muted); margin: 0 0 12px; }
.result h3 { font-size: 1rem; margin: 16px 0 8px; }
.offers { display: flex; flex-wrap: wrap; gap: 8px; }
.offers a {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px;
  border: 1px solid var(--line); border-radius: 6px; color: var(--fg); text-decoration: none;
}
.offers a:hover { border-color: var(--accent); }
.offers img { width: 24px; height: 24px; border-radius: 4px; }
.offers .kind { color: var(--muted); font-size: 0.8em; }
.attribution { color: var(--muted); font-size: 0.75em; margin-top: 6px; }
.amazon { margin: 12px 0 4px; }
.amazon a.button { font-weight: 600; }
.amazon .attribution { margin: 4px 0 0; }
.share-row { margin-top: 20px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

@media (max-width: 600px) {
  .guesses th:nth-child(3), .guesses td:nth-child(3) { display: none; }
  .temp .label { display: none; }
  .bar { width: 40px; }
  .guesses th, .guesses td { padding: 6px 4px; }
}
/* Phones: drop Depth rather than the heat bar, which is the visible reward. */
@media (max-width: 420px) {
  .guesses th:nth-child(6), .guesses td:nth-child(6) { display: none; }
  .bar { width: 28px; }
}