:root {
  --bg: #f5f4ef; --card: #ffffff; --ink: #1a1c21; --muted: #5a616d; --line: #dcd9cf; --soft: #ecebe4;
  --accent: #2450c8; --accent-ink: #ffffff; --danger: #b3261e; --ok: #1d6b3a;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #101216; --card: #181b21; --ink: #e8eaef; --muted: #9ba3b1; --line: #2b303a; --soft: #20242c;
          --accent: #8fb0ff; --accent-ink: #0d1322; --danger: #ff8f7a; --ok: #7fd49b; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--sans); min-height: 100vh; }
a { color: var(--accent); }
.wrap { max-width: 62rem; margin: 0 auto; padding: 0 20px; }
main.wrap { padding-top: 28px; padding-bottom: 64px; }

/* top bar */
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.brand { font: 700 18px var(--mono); color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.brand .dim { color: var(--muted); font-weight: 400; }
.mark { width: 16px; height: 16px; border: 3px solid var(--accent); border-radius: 3px; display: inline-block; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav form { margin: 0; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 8px 16px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--card); color: var(--ink); font: 600 15px var(--sans); text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.quiet { background: transparent; border-color: transparent; color: var(--muted); }
.btn.quiet:hover { color: var(--ink); border-color: var(--line); }
.btn.danger { color: var(--danger); }
.btn.wide { width: 100%; margin-top: 22px; min-height: 46px; }
.btn:disabled { opacity: .55; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* text */
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 10px; letter-spacing: -.01em; overflow-wrap: anywhere; }
h1.mono { font-family: var(--mono); font-size: 24px; }
h2 { font-size: 20px; line-height: 1.3; margin: 0 0 12px; }
h3 { font-size: 17px; margin: 0 0 12px; }
p { margin: 0 0 12px; }
.lead { font-size: 18px; color: var(--muted); max-width: 44rem; }
.muted { color: var(--muted); }
.ver { font: 500 .62em var(--mono); color: var(--muted); border: 1px solid var(--line); border-radius: 6px; padding: 2px 7px; vertical-align: middle; white-space: nowrap; }
.crumb { font-size: 15px; margin-bottom: 18px; }
.crumb a::before { content: "\2190\00a0"; }
.tag { font: 600 13px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.err { color: var(--danger); border-left: 3px solid var(--danger); padding: 2px 0 2px 12px; font-size: 15px; }

/* meta line and badges */
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: 14px; color: var(--muted); margin: 0; }
.badge { font: 600 12.5px var(--mono); color: var(--ink); background: var(--soft); border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; margin-right: -6px; white-space: nowrap; }
.meta .badge:last-of-type { margin-right: 0; }
.kind { font-weight: 600; color: var(--ink); }
.tags { margin: 10px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tagchip { font: 13px var(--mono); color: var(--muted); }
.tagchip::before { content: "#"; }

/* catalog */
.tools { display: grid; gap: 12px; margin-bottom: 14px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { min-height: 36px; padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--ink); font: 500 14px var(--sans); cursor: pointer; }
.chip.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.count { font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.items, .files { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--card); overflow: hidden; }
.item, .file { display: flex; align-items: center; gap: 18px; padding: 18px 20px; border-top: 1px solid var(--line); }
.item:first-child, .file:first-child { border-top: 0; }
.item[hidden] { display: none; }
.item .main, .fmain { flex: 1; min-width: 0; }
.item h2 { font-size: 19px; margin: 0 0 4px; }
.item h2 a { color: var(--ink); text-decoration: none; }
.item h2 a:hover { color: var(--accent); text-decoration: underline; }
.sum { font-size: 16px; color: var(--muted); margin: 0 0 10px; }
.act { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: flex-end; }
.act form { margin: 0; }
.none, .empty { text-align: center; color: var(--muted); padding: 40px 0; }
.empty h1 { color: var(--ink); }

/* item page */
.head { display: flex; gap: 18px; justify-content: space-between; align-items: flex-start; margin-bottom: 28px; }
.block { margin-bottom: 32px; }
.notes { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; font-size: 16px; }
.fname { font: 600 16px var(--mono); margin: 0 0 4px; overflow-wrap: anywhere; }
.flabel { font-size: 15px; color: var(--muted); margin: 0 0 6px; }
.hash { font-size: 13px; color: var(--muted); margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: baseline; }
.hash code { font: 12.5px var(--mono); overflow-wrap: anywhere; min-width: 0; }
.hl { font: 600 12px var(--mono); letter-spacing: .06em; }
.copy { border: 0; background: none; color: var(--accent); font: 600 13px var(--sans); cursor: pointer; padding: 2px 4px; }
.code { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; overflow: auto; font: 14px/1.55 var(--mono); tab-size: 4; margin: 0; }

/* forms */
label, legend { display: block; font-size: 14px; font-weight: 600; margin: 16px 0 6px; padding: 0; }
input[type=text], input[type=password], input[type=search], input:not([type]), select, textarea, input[type=file] {
  width: 100%; background: var(--card); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; font: 16px var(--sans); padding: 10px 12px; min-height: 44px; }
textarea { font: 15px/1.5 var(--mono); resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .8; }
select { width: auto; min-width: 9rem; }
fieldset { border: 0; margin: 16px 0 0; padding: 0; }
legend { margin: 0 0 6px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.check { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-weight: 500; font-size: 15px; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; background: var(--card); cursor: pointer; min-height: 40px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); margin: 0; }
.two { display: grid; grid-template-columns: 2fr 1fr; gap: 0 16px; }
.two select { width: 100%; }
.formwrap { max-width: 44rem; }
.formact { display: flex; gap: 8px; margin-top: 24px; }
.dangerzone { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }
.upload { margin-top: 18px; border: 1px dashed var(--muted); border-radius: 12px; padding: 18px 20px; }
.uprow { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; margin-bottom: 16px; }
.uprow label { margin-top: 0; }
.prog { margin-top: 14px; display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }
.prog progress { flex: 1; height: 10px; accent-color: var(--accent); }
.prog.bad { color: var(--danger); }

/* sign-in */
.narrow { max-width: 27rem; margin: 6vh auto 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 30px; }
.card p, .card ol { font-size: 15px; color: var(--muted); }
.card ol { padding-left: 20px; margin: 0 0 12px; }
.key { font: 17px var(--mono); color: var(--ink) !important; background: var(--soft); border: 1px dashed var(--line); border-radius: 8px; padding: 12px; word-spacing: .3em; overflow-wrap: anywhere; }
#code { font-family: var(--mono); letter-spacing: .12em; }

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  main.wrap { padding-top: 20px; }
  h1 { font-size: 25px; }
  h1.mono { font-size: 19px; }
  .lead { font-size: 16px; }
  .brand .dim { display: none; }
  .item, .file { flex-direction: column; align-items: stretch; gap: 12px; padding: 16px; }
  .act { justify-content: flex-start; }
  .item .act .btn { width: 100%; min-height: 44px; }
  .head { flex-direction: column; margin-bottom: 22px; }
  .two, .uprow { grid-template-columns: 1fr; }
  .uprow > div + div label { margin-top: 16px; }
  .filters select { width: 100%; }
  .card { padding: 24px 20px; }
  .btn { min-height: 44px; }
}