:root {
  --bg: #f4f6fa; --card: #ffffff; --ink: #1f2430; --muted: #68718a;
  --accent: #d6412b; --accent-ink: #fff; --line: #e2e6ef; --ok: #1d8a4e;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.55;
}
header { max-width: 50rem; margin: 2rem auto 0; padding: 0 1rem; }
header h1 { margin: 0 0 .25rem; }
.tagline { color: var(--muted); margin: 0; }
main { max-width: 50rem; margin: 1rem auto 4rem; padding: 0 1rem; display: grid; gap: 1rem; }
footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 1rem; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 1.25rem;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: #b3261e; white-space: pre-wrap; }
.row-between { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.row-between h2 { margin: 0; }

#url-form { display: flex; gap: .5rem; }
#url-input {
  flex: 1; padding: .65rem .8rem; border: 1px solid var(--line);
  border-radius: 8px; font-size: 1rem;
}
button, .btn-link {
  padding: .6rem 1.1rem; border: 0; border-radius: 8px; font-size: .95rem;
  background: var(--accent); color: var(--accent-ink); cursor: pointer;
  text-decoration: none; display: inline-block;
}
button:disabled { opacity: .55; cursor: wait; }
.btn-link { background: #eef1f7; color: var(--ink); padding: .4rem .8rem; font-size: .85rem; }

.steps { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; gap: .5rem; flex-wrap: wrap; }
.steps li {
  padding: .35rem .75rem; border-radius: 999px; background: #eef1f7;
  color: var(--muted); font-size: .85rem;
}
.steps li.active { background: var(--accent); color: #fff; animation: pulse 1.2s infinite; }
.steps li.done { background: #e2f3e9; color: var(--ok); }
.steps li.done::before { content: "✓ "; }
@keyframes pulse { 50% { opacity: .6; } }

.result-head { display: flex; gap: 1rem; align-items: center; margin-bottom: .5rem; }
.result-head img { width: 120px; border-radius: 8px; }
.result-head h2 { margin: 0; font-size: 1.15rem; }
.meta { color: var(--muted); margin: .25rem 0 0; font-size: .9rem; }

.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--line); margin: .75rem 0; }
.tab { background: none; color: var(--muted); border-radius: 8px 8px 0 0; padding: .45rem .9rem; }
.tab.active { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); }

.markdown h2 { font-size: 1.05rem; margin: 1.1rem 0 .4rem; }
.markdown h3 { font-size: .98rem; margin: 1rem 0 .3rem; }
.markdown ul, .markdown ol { padding-left: 1.4rem; margin: .3rem 0; }
.markdown blockquote {
  border-left: 3px solid var(--line); margin: .5rem 0; padding: .1rem 0 .1rem 1rem;
  color: var(--muted);
}
.markdown code { background: #eef1f7; border-radius: 4px; padding: .1rem .3rem; }
pre#result-transcript {
  max-height: 24rem; overflow: auto; background: #f7f8fb; padding: 1rem;
  border-radius: 8px; white-space: pre-wrap; font-size: .85rem;
}

.library { list-style: none; margin: .75rem 0 0; padding: 0; display: grid; gap: .5rem; }
.library li {
  display: flex; gap: .75rem; align-items: center; padding: .5rem;
  border: 1px solid var(--line); border-radius: 8px; cursor: pointer;
}
.library li:hover { border-color: var(--accent); }
.library img { width: 80px; border-radius: 6px; }
.library .lib-title { font-weight: 600; font-size: .95rem; }
.library .lib-meta { color: var(--muted); font-size: .8rem; }
.library .lib-del { margin-left: auto; background: none; color: var(--muted); font-size: 1rem; padding: .3rem .5rem; }
.library .lib-del:hover { color: #b3261e; }

details summary { cursor: pointer; font-weight: 600; }
#doc-input { width: 100%; margin: .75rem 0; border: 1px solid var(--line); border-radius: 8px; padding: .6rem; font: inherit; }