:root {
  --bg: #0f172a;
  --card: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #2563eb;
  --accent2: #38bdf8;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body { max-width: 720px; margin: 0 auto; padding: 12px 14px 48px; line-height: 1.45; }
h1 { font-size: 1.25rem; margin: 8px 0 4px; font-weight: 700; }
.sub { color: var(--muted); font-size: 0.85rem; margin-bottom: 14px; }
details.panel {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 10px; padding: 0 12px;
}
details.panel > summary {
  cursor: pointer; list-style: none; padding: 12px 0; font-weight: 600; user-select: none;
}
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary::before { content: "▸ "; color: var(--accent2); }
details.panel[open] > summary::before { content: "▾ "; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0; }
label { font-size: 0.85rem; color: var(--muted); }
select, textarea, button, input[type="text"] {
  font: inherit; border-radius: 8px; border: 1px solid var(--border);
  background: #0b1220; color: var(--text); padding: 8px 10px;
}
select { min-width: 140px; }
textarea { width: 100%; min-height: 96px; resize: vertical; }
button {
  background: var(--accent); border: none; color: white; font-weight: 600;
  padding: 10px 14px; cursor: pointer;
}
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.secondary { background: #334155; }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.icon { padding: 8px 10px; min-width: 42px; }
.note { font-size: 0.78rem; color: var(--muted); margin: 6px 0 10px; }
.note.warn { color: var(--warn); }
.progress {
  height: 8px; background: #0b1220; border-radius: 99px; overflow: hidden; margin: 8px 0;
}
.progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); width: 0%; transition: width 0.15s; }
.status { font-size: 0.85rem; color: var(--muted); min-height: 1.2em; }
.cards { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px;
}
.card .head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; }
.card .lang { font-weight: 700; color: var(--accent2); }
.card .meta { font-size: 0.75rem; color: var(--muted); }
.card .body { white-space: pre-wrap; word-break: break-word; min-height: 1.5em; }
.card .actions { display: flex; gap: 6px; margin-top: 8px; }
.check-grid { display: grid; grid-template-columns: 1fr; gap: 4px; font-size: 0.85rem; margin-bottom: 10px; }
.check-grid .k { color: var(--muted); }
.check-grid .v.ok { color: var(--ok); }
.check-grid .v.err { color: var(--err); }
.check-grid .v.warn { color: var(--warn); }
.chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px 8px;
  border-radius: 999px; background: #0b1220; border: 1px solid var(--border); font-size: 0.8rem;
}
.hidden { display: none !important; }
footer { margin-top: 24px; font-size: 0.75rem; color: var(--muted); text-align: center; }