:root {
  --bg: #f9f8f1;
  --fg: #1d1d1b;
  --muted: #5b5b55;
  --card: #ffffff;
  --line: #d9d6c8;
  --accent: #006b6b;
  --ok-bg: #e6f2f2;
  --bad-bg: #f6e9e4;
  --warn-bg: #f4f0dc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --fg: #ecebe4;
    --muted: #a9a89f;
    --card: #20201d;
    --line: #3a3a35;
    --accent: #5fc4c4;
    --ok-bg: #173030;
    --bad-bg: #3a2620;
    --warn-bg: #34301c;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 0; }
h3 { font-size: 1rem; }
section, form#rating-form { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin: 14px 0; }
label { display: block; margin: 8px 0; }
label.inline { display: inline-block; margin-right: 12px; }
input[type="text"], input[type="password"], select, textarea { display: block; width: 100%; font: inherit; padding: 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); }
textarea { font-family: ui-monospace, Menlo, monospace; font-size: 13px; word-break: break-all; }
button { font: inherit; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--card); margin: 4px 6px 4px 0; cursor: pointer; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button[aria-pressed="true"] { outline: 3px solid var(--fg); }
button.danger { background: transparent; color: var(--fg); border-color: var(--line); }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; border: 0; padding: 0; margin: 8px 0; }
.note { color: var(--muted); font-size: 0.9rem; }
.words { font: 600 1.25rem/1.5 ui-monospace, Menlo, monospace; word-spacing: 0.3em; }
.status:empty { display: none; }
.status { padding: 8px 10px; border-radius: 6px; border: 1px solid var(--line); }
.status[data-kind="ok"]::before { content: "OK: "; font-weight: 700; }
.status[data-kind="bad"]::before { content: "PROBLEM: "; font-weight: 700; }
.status[data-kind="warn"]::before { content: "NOTE: "; font-weight: 700; }
.status[data-kind="ok"] { background: var(--ok-bg); }
.status[data-kind="bad"] { background: var(--bad-bg); }
.status[data-kind="warn"] { background: var(--warn-bg); }
.q { margin: 10px 0; }
.qr svg { width: 100%; max-width: 320px; height: auto; background: #fff; display: block; margin: 8px 0; }
pre { white-space: pre-wrap; word-break: break-all; font-size: 12px; max-height: 420px; overflow: auto; }
a { color: var(--accent); }