:root { --bg: #ffffff; --fg: #1d2330; --muted: #5b6475; --line: #d9dde5; --accent: #1f5f99; --danger: #a12d2d; --panel: #f4f6f9; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #12161d; --fg: #e6e9ef; --muted: #a3abba; --line: #2c3340; --accent: #7fb2e5; --danger: #e58a8a; --panel: #1a2029; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, sans-serif; }
main { max-width: 860px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 1.6rem; margin: 0 0 8px; }
.lead { font-size: 1.05rem; }
.note { color: var(--muted); font-size: 0.92rem; }
.drop { display: block; border: 2px dashed var(--line); border-radius: 10px; padding: 20px; text-align: center; cursor: pointer; background: var(--panel); }
.drop span { display: block; font-weight: 600; color: var(--accent); }
.drop input { display: block; margin: 12px auto 0; max-width: 100%; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 0.92rem; }
th, td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td.name { word-break: break-all; }
td input[type=text] { width: 100%; min-width: 8em; }
button { font: inherit; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--bg); cursor: pointer; }
button.danger { border-color: var(--danger); background: transparent; color: var(--danger); }
button[disabled] { opacity: 0.5; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.headline { font-size: 1.3rem; font-weight: 600; }
#status { padding: 12px; background: var(--panel); border-radius: 8px; margin: 16px 0; }
#status.error { color: var(--danger); }
iframe { width: 100%; height: 70vh; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
@media (max-width: 560px) { th:nth-child(4), td:nth-child(4) { display: none; } }