:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #6b7280;
  --border: #dcdfe5;
  --accent: #2557d6;
  --accent-text: #ffffff;
  --danger: #c0352b;
  --warn-bg: #fff6dd;
  --warn-border: #f0d27a;
  --alert-bg: #fdecea;
  --alert-border: #f3b4ae;
  --code-bg: #f0f2f5;
  --ok: #1e7b3a;
  --wait: #9a6700;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --card: #1d2128;
    --text: #e6e8eb;
    --muted: #9aa3ae;
    --border: #333a44;
    --accent: #5b8cff;
    --accent-text: #0b0e13;
    --danger: #ff6b5f;
    --warn-bg: #3a3218;
    --warn-border: #6b5a22;
    --alert-bg: #3b1d1b;
    --alert-border: #6e2f2a;
    --code-bg: #262b33;
    --ok: #5cc27a;
    --wait: #e0b04a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.container { max-width: 960px; margin: 0 auto; padding: 24px 16px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; color: var(--text); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.topbar .left { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; }
.tabs a { color: var(--muted); text-decoration: none; padding: 5px 10px; border-radius: 6px; font-weight: 500; }
.tabs a:hover { color: var(--text); }
.tabs a.active { color: var(--text); background: var(--code-bg); }
.who { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.who form { margin: 0; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 24px; margin-bottom: 20px;
}
.card.narrow { max-width: 440px; margin: 48px auto; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 0 0 12px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 500; }
.hint, .muted { color: var(--muted); font-weight: 400; font-size: 13px; }
input, textarea, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; width: 100%;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; resize: vertical; }
input[type=file] { padding: 6px; }
.code-input { font-size: 28px; letter-spacing: 8px; text-align: center; font-family: ui-monospace, Menlo, monospace; }
button {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: var(--accent-text);
  border: 0; border-radius: 6px; padding: 9px 16px;
}
button.small { padding: 4px 10px; font-size: 13px; font-weight: 500; }
button.danger { background: var(--danger); color: #fff; }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 500; }
.alert { background: var(--alert-bg); border: 1px solid var(--alert-border); border-radius: 6px; padding: 10px 12px; }
.alert.warn { background: var(--warn-bg); border-color: var(--warn-border); }
.field { margin: 16px 0; }
.field .label { font-weight: 600; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.copyrow { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--code-bg); border-radius: 6px; padding: 8px 10px;
}
code { word-break: break-all; }
code.big { font-size: 26px; letter-spacing: 6px; }
pre { white-space: pre-wrap; word-break: break-word; margin: 0; max-height: 60vh; overflow: auto; }
.files { margin: 0; padding-left: 20px; }
.files li { margin: 4px 0; }
a { color: var(--accent); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; }
td form { margin: 0; }
.nowrap { white-space: nowrap; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.filters { display: grid; grid-template-columns: 2fr 2fr 1fr 1fr auto; gap: 10px; align-items: end; margin-bottom: 12px; }
.filter-actions { display: flex; gap: 12px; align-items: center; }
td .sub { display: block; color: var(--muted); font-size: 12px; }
.st-ok { color: var(--ok); font-weight: 500; }
.st-wait { color: var(--wait); font-weight: 500; }
.st-bad { color: var(--danger); font-weight: 500; }
@media (max-width: 760px) {
  .row2, .filters { grid-template-columns: 1fr; }
}