:root {
  --bg: #f4f7f2; --card: #fff; --ink: #1d2a21; --muted: #5c6b60;
  --green: #1f6f43; --green-2: #e3f1e8; --line: #d7e2da; --red: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101612; --card: #18211b; --ink: #e6efe8; --muted: #9aab9f;
    --green: #4cbf7f; --green-2: #1e3527; --line: #2a3a2f; --red: #ff8a80;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header { padding: 20px 16px 4px; max-width: 560px; margin: 0 auto; }
h1 { margin: 0; font-size: 1.6rem; color: var(--green); }
h1 .sub { font-size: 1rem; color: var(--muted); font-weight: 500; }
h2 { font-size: 1.05rem; margin: 14px 0 8px; }
.tag { margin: 4px 0 0; color: var(--muted); }
main { max-width: 560px; margin: 0 auto; padding: 8px 16px 32px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px; margin: 12px 0;
}
.bar { height: 8px; background: var(--green-2); border-radius: 4px; overflow: hidden; margin-top: 8px; }
#model-bar { height: 100%; width: 0; background: var(--green); transition: width .2s; }
.big-btn {
  display: block; width: 100%; text-align: center; padding: 16px; border: 0;
  border-radius: 12px; background: var(--green); color: #fff; font: inherit;
  font-weight: 700; font-size: 1.1rem; cursor: pointer; margin-top: 12px;
}
@media (prefers-color-scheme: dark) { .big-btn { color: #08130c; } }
.snap-row { display: flex; gap: 8px; }
.snap-row .big-btn { margin-top: 0; flex: 1; }
.snap-row .btn { flex: 0 0 64px; font-size: 1.5rem; }
.big-btn:disabled { opacity: .45; cursor: default; }
.hint { color: var(--muted); font-size: .9rem; margin: 8px 0 0; }
#preview { width: 100%; max-height: 300px; object-fit: contain; border-radius: 10px; background: #000; }
#thinking { margin-top: 10px; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  border-radius: 999px; padding: 8px 12px; font: inherit; cursor: pointer;
}
.chip small { color: var(--muted); }
.chip.on { background: var(--green); border-color: var(--green); color: #fff; }
.chip.on small { color: inherit; opacity: .85; }
input[type=text] {
  width: 100%; margin-top: 10px; padding: 10px 12px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
}
.link-btn { display: block; margin: 10px auto 0; background: none; border: 0; color: var(--muted); font: inherit; text-decoration: underline; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.btn {
  flex: 1 1 auto; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); font: inherit; cursor: pointer;
}
.btn.danger { color: var(--red); }
.board { padding-left: 0; list-style: none; margin: 0; }
.board li { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; padding: 6px 0; }
.board .b { height: 6px; grid-column: 1 / -1; background: var(--green); border-radius: 3px; }
details { margin-top: 12px; }
footer { color: var(--muted); font-size: .85rem; text-align: center; }
footer a { color: var(--green); }
.btn:disabled { opacity: .45; cursor: default; }
#model-card.err { border-color: var(--red); }
.log { list-style: none; padding: 0; }
.log li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 4px 0; border-bottom: 1px solid var(--line); }
.del { background: none; border: 0; color: var(--muted); font: inherit; padding: 4px 10px; cursor: pointer; }
.toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translate(-50%, 30px);
  background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 999px; opacity: 0;
  transition: opacity .2s, transform .2s; pointer-events: none; max-width: calc(100% - 32px); text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }