:root {
  --bg: #f6f7f9;
  --card: #fff;
  --ink: #1c2024;
  --muted: #6b7280;
  --line: #dfe3e8;
  --accent: #1f6feb;
  --ok: #14803c;
  --err: #b42318;
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 24px;
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--ink);
}
header { max-width: 1180px; margin: 0 auto 18px; }
h1 { margin: 0 0 4px; font-size: 22px; }
header p { margin: 0; color: var(--muted); }
.grid {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 16px;
}
section {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px;
}
h2 { margin: 0 0 12px; font-size: 14px; text-transform: uppercase;
     letter-spacing: .06em; color: var(--muted); }
h3 { margin: 18px 0 6px; font-size: 13px; }
label { display: block; margin-bottom: 10px; font-size: 12px; color: var(--muted); }
input, textarea, select {
  width: 100%; margin-top: 4px; padding: 7px 9px; font: inherit;
  color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 6px;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.checks { display: flex; gap: 12px; margin-top: 6px; }
.chk { display: flex; align-items: center; gap: 5px; margin: 0; color: var(--ink); }
.chk input { width: auto; margin: 0; }
button {
  padding: 9px 16px; font: inherit; font-weight: 600; color: #fff;
  background: var(--accent); border: 0; border-radius: 6px; cursor: pointer;
}
button.ghost { color: var(--accent); background: #eef4ff; }
button:hover { filter: brightness(.95); }
.hint { margin: -4px 0 10px; font-size: 11px; color: var(--muted); }
code { background: #eef0f3; padding: 1px 4px; border-radius: 3px; font-size: 11px; }
#msg { margin: 10px 0; font-size: 13px; }
#msg.ok, .ok { color: var(--ok); }
#msg.err { color: var(--err); }
.muted { color: var(--muted); }
table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 12px; }
th, td { padding: 5px 6px; border-bottom: 1px solid var(--line); text-align: right; }
th:first-child, td:first-child, th:nth-child(2), td:nth-child(2) { text-align: left; }
.pv tr.tot td { font-weight: 700; border-top: 2px solid var(--ink); }
.words { margin: 8px 0 0; font-size: 12px; font-style: italic; color: var(--muted); }
a.btn {
  display: inline-block; margin: 4px 6px 0 0; padding: 7px 12px;
  font-size: 12px; font-weight: 600; text-decoration: none;
  color: var(--accent); background: #eef4ff; border-radius: 6px;
}
#pv { max-width: 1180px; margin: 18px auto 0; display: grid; gap: 16px; }
#pv iframe { width: 100%; height: 760px; border: 1px solid var(--line);
             border-radius: 10px; background: #fff; }
details summary { cursor: pointer; font-size: 12px; color: var(--muted); }
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --card: #171b21; --ink: #e6e8eb; --muted: #9aa4b2;
          --line: #2a303a; }
  input, textarea, select { background: #0f1216; }
  code { background: #22272e; }
  button.ghost, a.btn { background: #1b2a45; }
}

.banner {
  max-width: 1180px; margin: 0 auto 16px; padding: 10px 14px; font-size: 13px;
  color: var(--ink); background: #fff7e6; border: 1px solid #f0c36d;
  border-radius: 8px;
}
button.mini {
  padding: 3px 9px; font-size: 11px; font-weight: 600; color: var(--accent);
  background: #eef4ff; border: 1px solid transparent; border-radius: 5px;
}
.banner button.mini { margin-left: 8px; }
@media (prefers-color-scheme: dark) {
  .banner { background: #2b2413; border-color: #6b5628; }
}

.warn { color: #a15c07; font-size: 12px; }
@media (prefers-color-scheme: dark) { .warn { color: #e0a458; } }

/* register + login */
section.wide { grid-column: 1 / -1; }
.stats { display: flex; flex-wrap: wrap; gap: 22px; margin-bottom: 12px; }
.stats div { font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
             color: var(--muted); }
.stats span { display: block; font-size: 20px; font-weight: 700; letter-spacing: 0;
              text-transform: none; color: var(--ink); }
.stats span.bad { color: var(--err); }
.scroll { overflow-x: auto; }
.tag { margin-left: 5px; padding: 1px 5px; font-size: 10px; font-weight: 700;
       color: #fff; background: var(--err); border-radius: 999px; }
a.mini-link { margin-right: 6px; font-size: 11px; color: var(--accent); }
body.centred { display: flex; align-items: center; justify-content: center;
               min-height: 90vh; }
.card { width: min(360px, 92vw); padding: 26px; background: var(--card);
        border: 1px solid var(--line); border-radius: 12px; }
.card h1 { font-size: 18px; margin-bottom: 2px; }
.card button { width: 100%; margin-top: 8px; }

tr.clash td { background: rgba(180, 35, 24, .09); }
td.note { max-width: 320px; white-space: normal; font-size: 11px;
          color: var(--muted); text-align: left; }
a.tag { text-decoration: none; }