/* 最小限の見た目。UI は後で作り替える前提。 */
:root {
  color-scheme: light dark;
  --bg: #f7f6f2;
  --fg: #1d1d1f;
  --muted: #5a5a60;
  --line: #c9c7c0;
  --accent: #1f4e8c;
  --error: #a3221c;
  --warn: #7a5200;
  --panel: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1c1e;
    --fg: #ececec;
    --muted: #a8a8ae;
    --line: #44464b;
    --accent: #8db4ec;
    --error: #ff8a80;
    --warn: #f0c060;
    --panel: #25262a;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 48rem;
  padding: 1rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}
h1 { margin: 0; font-size: 1.6rem; }
code { overflow-wrap: anywhere; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

.notice {
  margin: 1rem 0;
  padding: .75rem 1rem;
  border: 1px solid var(--line);
  border-left-width: 4px;
  background: var(--panel);
}
.notice.warn { border-left-color: var(--warn); }
.notice.danger { border-left-color: var(--error); }
.warn-text { color: var(--warn); }

.drop {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin: 1rem 0;
  padding: 1.5rem 1rem;
  border: 2px dashed var(--line);
  background: var(--panel);
  cursor: pointer;
}
.drop.over { border-color: var(--accent); }
.drop:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }

.actions { display: flex; flex-wrap: wrap; gap: .5rem; }
button {
  font: inherit;
  padding: .5rem 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a { color: var(--accent); }

progress { width: 100%; }

#results:focus { outline: none; }
#results h2 { font-size: 1.2rem; }
#results h3 { font-size: 1rem; margin-bottom: .25rem; }
#results ul { padding-left: 1.2rem; }
#results li { margin: .5rem 0; }
.error { color: var(--error); }
.warning { color: var(--warn); }
.extracted {
  display: block;
  max-height: 10rem;
  overflow: auto;
  padding: .25rem .5rem;
  border: 1px solid var(--line);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.download { display: inline-block; margin: .5rem 0; font-weight: bold; }

footer { margin-top: 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .875rem; }
footer dl { display: grid; grid-template-columns: max-content 1fr; gap: 0 1rem; }
footer dd { margin: 0; }