:root {
  --bg: #f5f6f8; --card: #fff; --ink: #1b2230; --muted: #5d6778; --line: #dce1e9; --accent: #2a55cf;
  --ok: #17703f; --ok-bg: #e4f4ea; --warn: #7d5200; --warn-bg: #fcf1d3; --fail: #a8231c; --fail-bg: #fde7e5;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.92em; }

.top { display: flex; flex-wrap: wrap; gap: 4px 16px; align-items: center; justify-content: space-between;
  padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; color: var(--ink); text-decoration: none; }
.top nav { display: flex; gap: 14px; align-items: center; font-size: 0.92rem; }
.who { color: var(--muted); }

main { max-width: 720px; margin: 0 auto; padding: 16px; }
body.wide main { max-width: 1100px; }
h1 { font-size: 1.5rem; margin: 8px 0 14px; }
h2 { font-size: 1.15rem; margin: 26px 0 10px; }
h3 { font-size: 1.05rem; margin: 0 0 8px; }
h4 { font-size: 0.95rem; margin: 16px 0 6px; }
.hint { color: var(--muted); font-size: 0.88rem; font-weight: 400; margin: 2px 0 6px; }
.instructions { white-space: pre-line; }
.pre { white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 8px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.card.narrow { max-width: 360px; }
.field { margin-bottom: 16px; }
label { display: block; font-weight: 600; margin-bottom: 4px; }
input[type=text], input[type=url], input[type=number], input[type=password], select, textarea {
  width: 100%; padding: 11px 12px; font: inherit; color: inherit; background: #fff;
  border: 1px solid #b9c1ce; border-radius: 8px; }
input[type=file] { width: 100%; font: inherit; }
textarea { resize: vertical; }
details summary { cursor: pointer; color: var(--accent); margin: 8px 0; font-size: 0.92rem; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible {
  outline: 3px solid #9db4f5; outline-offset: 1px; }

button, .button { display: inline-block; padding: 12px 20px; font: inherit; font-weight: 600; cursor: pointer;
  color: #fff; background: var(--accent); border: 1px solid var(--accent); border-radius: 8px; text-decoration: none; }
form.card > button { width: 100%; }
button.secondary, .button.secondary { color: var(--accent); background: #fff; }
button.small { padding: 6px 14px; font-size: 0.9rem; }
button.link { padding: 0; color: var(--accent); background: none; border: 0; font-weight: 400; text-decoration: underline; }
form.quiet { margin-top: 22px; font-size: 0.92rem; }

.note { margin: 8px 0; padding: 10px 12px; border-radius: 8px; background: #eef1f5; }
ul.note { padding-left: 30px; }
.note.ok { color: var(--ok); background: var(--ok-bg); }
.note.warn { color: var(--warn); background: var(--warn-bg); }
.note.fail { color: var(--fail); background: var(--fail-bg); }
.oktext { color: var(--ok); }
.failtext { color: var(--fail); }

.exlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.exrow { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.letter { flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 700; color: #fff; background: var(--accent); }
.extitle { flex: 1; font-weight: 600; }
.badge { flex: none; padding: 3px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 600; white-space: nowrap; }
.badge.ok { color: var(--ok); background: var(--ok-bg); }
.badge.todo { color: var(--muted); background: #eceff3; }
.badge.closed { color: var(--warn); background: var(--warn-bg); }

.report { margin-top: 20px; }
.report h2 { margin-top: 0; }
.funnel { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.funnel span { padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); font-size: 0.92rem; }
.funnel b { font-size: 1.1rem; margin-left: 4px; }
.sidebyside { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.filereport { min-width: 0; }

.scroll { overflow-x: auto; }
table { border-collapse: collapse; }
table.plain, table.grid, table.board { width: 100%; margin: 8px 0; font-size: 0.92rem; }
th, td { padding: 7px 10px; border: 1px solid var(--line); text-align: center; }
table.plain th, table.plain td, td.left { text-align: left; }
table th { background: #eef1f5; font-weight: 600; }
table.grid td.empty { color: var(--warn); background: var(--warn-bg); font-weight: 700; }
tr.warnrow td { background: var(--warn-bg); }

table.board { background: var(--card); }
table.board th:first-child { text-align: left; }
.colname { display: block; font-weight: 400; font-size: 0.75rem; color: var(--muted); }
.closedcol { opacity: 0.55; }
.tick { color: var(--ok); font-weight: 700; font-size: 1.2rem; }
table.leaderboard { max-width: 520px; }
table.subs td { vertical-align: top; }
table.board form { margin: 0; }

@media (max-width: 560px) {
  .colname { display: none; }
  th, td { padding: 6px 7px; }
}