/* One stylesheet, no framework and no build step.
   The whole UI is four screens; a toolchain to produce this would be more
   moving parts than the thing it produces. */

:root {
  color-scheme: light dark;

  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #16191d;
  --ink-soft: #5c6470;
  --line: #dfe3e8;
  --accent: #2f6df6;
  --accent-ink: #ffffff;
  --draft: #b26a00;
  --draft-bg: #fff4e0;
  --claim: #1f7a4d;
  --claim-bg: #e6f5ec;
  --danger: #b3261e;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --panel: #1c2026;
    --ink: #e7ebf0;
    --ink-soft: #98a2b0;
    --line: #2c333c;
    --accent: #5b8dff;
    --accent-ink: #0d1117;
    --draft: #e0a458;
    --draft-bg: #33280f;
    --claim: #62c48d;
    --claim-bg: #12291d;
    --danger: #f2837c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.top {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.top .brand { font-weight: 650; letter-spacing: -0.01em; }
header.top nav { display: flex; gap: 14px; margin-left: auto; align-items: center; }
header.top .who { color: var(--ink-soft); font-size: 13px; }

main { padding: 20px; }
.wrap { max-width: 820px; margin: 0 auto; }

h1 { font-size: 20px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 24px 0 8px; }
p.sub { color: var(--ink-soft); margin: 0 0 20px; }

/* -- Board ---------------------------------------------------------------- */

.board {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  overflow-x: auto;
  padding-bottom: 12px;
}

.lane {
  flex: 0 0 288px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
}
.lane > h3 {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 2px 4px 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}
.lane > h3 .count { margin-left: auto; font-variant-numeric: tabular-nums; }

.card {
  display: block;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  margin-bottom: 8px;
  color: inherit;
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.card .title { font-weight: 500; }
.card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}
.card .num { font-variant-numeric: tabular-nums; }

.tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.tag.draft { color: var(--draft); background: var(--draft-bg); }
.tag.claim { color: var(--claim); background: var(--claim-bg); }

.lane .empty { color: var(--ink-soft); font-size: 13px; padding: 6px 4px 10px; }

/* -- Card panel ----------------------------------------------------------- */

.layout { display: flex; gap: 20px; align-items: flex-start; }
.layout > .board { flex: 1 1 auto; min-width: 0; }

aside.panel {
  flex: 0 0 340px;
  position: sticky;
  top: 76px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
aside.panel h2 { margin-top: 0; font-size: 16px; }
aside.panel .num { color: var(--ink-soft); font-variant-numeric: tabular-nums; }
aside.panel .notes { white-space: pre-wrap; margin: 10px 0; }
aside.panel .facts { font-size: 13px; color: var(--ink-soft); margin: 12px 0; }
aside.panel .facts div { margin: 2px 0; }

.comment { border-top: 1px solid var(--line); padding: 8px 0; font-size: 14px; }
.comment .byline { font-size: 12px; color: var(--ink-soft); }
.comment .body { white-space: pre-wrap; }

/* -- Forms ---------------------------------------------------------------- */

form { margin: 0; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 8px; }

input[type=text], input[type=email], input[type=password], textarea, select {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
textarea { min-height: 68px; resize: vertical; }
label { font-size: 12px; color: var(--ink-soft); display: block; margin-bottom: 3px; }

button {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.link {
  border: 0; background: none; color: var(--accent); padding: 0; font-size: 13px;
}
button.danger { color: var(--danger); }

.new-card { margin-top: 4px; }
.new-card textarea { min-height: 40px; }

/* -- Tables --------------------------------------------------------------- */

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
td.mono, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
tr.revoked td { color: var(--ink-soft); text-decoration: line-through; }

.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.flash.error { border-color: var(--danger); color: var(--danger); }

.secret {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px dashed var(--accent);
  background: var(--panel);
  margin-bottom: 16px;
  word-break: break-all;
}

.card-form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }

.muted { color: var(--ink-soft); }
.small { font-size: 13px; }