/* Layout: plain-text header with slash nav; workspace = wide matrix + results column; report and guide as reading columns */
:root {
  --bg: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #7a7873;
  --line: #e3e2dc;
  --field: #ffffff;
  --field-line: #c3c2b7;
  --panel: #f7f7f4;
  --link: #0074d9;
  --mark: #ffff00;
  --mark-ink: #000000;
  --bar: #52514e;
  --warn: #b25b00;
  /* diverging rating scale: blue (consistent) <-> red (inconsistent), gray midpoint */
  --r-cc: #9ec5f4; --r-c: #cde2fb; --r-n: #f0efec; --r-na: #ffffff; --r-i: #f7cfcf; --r-ii: #ee9a9a;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121212; --ink: #f2f2f0; --ink-2: #c3c2b7; --muted: #95938c; --line: #2c2c2a; --field: #1a1a19; --field-line: #45453f;
    --panel: #1a1a19; --link: #4ea8ff; --bar: #c3c2b7; --warn: #f0a24a;
    --r-cc: #1c5cab; --r-c: #173b66; --r-n: #2a2a28; --r-na: #121212; --r-i: #5a2424; --r-ii: #8f3333;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121212; --ink: #f2f2f0; --ink-2: #c3c2b7; --muted: #95938c; --line: #2c2c2a; --field: #1a1a19; --field-line: #45453f;
  --panel: #1a1a19; --link: #4ea8ff; --bar: #c3c2b7; --warn: #f0a24a;
  --r-cc: #1c5cab; --r-c: #173b66; --r-n: #2a2a28; --r-na: #121212; --r-i: #5a2424; --r-ii: #8f3333;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--font); padding: 0 16px; }
.wrap { max-width: 1280px; margin: 0 auto; padding-block: 28px 56px; }
.col { max-width: 720px; }
a, .link { color: var(--link); text-decoration: none; background: none; border: 0; padding: 0; font: inherit; cursor: pointer; }
a:hover, .link:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.on { background: var(--mark); color: var(--mark-ink); }
.on:hover { text-decoration: none; }
.muted { color: var(--muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }
p { margin: 0 0 12px; }
h2 { font-size: 1.15em; margin: 28px 0 8px; }

header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 24px; }
h1 { font-size: 1.7em; line-height: 1.1; margin: 0; }
h1 .home { color: var(--ink); font-weight: 700; }
h1 .home:hover { text-decoration: none; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 0.9em; }
.status { min-height: 1.4em; font-size: 0.85em; color: var(--muted); margin: 10px 0 18px; }
.lede { font-size: 1.08em; }

.btn { font: inherit; font-size: 0.95em; color: var(--ink); background: var(--field); border: 1px solid var(--field-line); border-radius: 6px; padding: 6px 12px; cursor: pointer; display: inline-block; }
.btn:hover { border-color: var(--ink-2); }
.btn.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn.small { font-size: 0.82em; padding: 2px 8px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.error { color: var(--warn); }
input, textarea, select { font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--field-line); border-radius: 5px; padding: 5px 8px; max-width: 100%; }
textarea { resize: vertical; width: 100%; line-height: 1.4; }
.field { display: flex; flex-direction: column; gap: 3px; font-size: 0.85em; color: var(--muted); margin-bottom: 10px; }
.field textarea, .field input { font-size: 1.05rem; color: var(--ink); }
.field.narrow input { max-width: 320px; }
.title-input { font-size: 1.5em; font-weight: 700; width: 100%; border: 0; border-bottom: 1px solid var(--field-line); border-radius: 0; padding: 4px 0; margin-bottom: 12px; background: transparent; }
.row { display: flex; gap: 8px; align-items: flex-start; }
.row input, .row textarea { flex: 1; min-width: 0; }

.saved { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.saved li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.saved .meta { font-size: 0.85em; color: var(--muted); }
.saved .ops { display: flex; gap: 12px; font-size: 0.9em; align-items: center; }

.checks { background: var(--panel); border-radius: 8px; padding: 10px 14px; margin: 6px 0 20px; }
.checks summary { cursor: pointer; font-weight: 600; }
.checks ol { margin: 8px 0 2px; padding-left: 0; list-style: none; display: grid; gap: 6px; }
.checks li { font-size: 0.92em; display: flex; gap: 10px; }
.checks .stepno { flex: none; font-size: 0.8em; font-weight: 700; color: var(--muted); min-width: 52px; padding-top: 2px; }

.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 24px; align-items: start; }
textarea { field-sizing: content; }
@media (max-width: 1000px) { .workspace { grid-template-columns: minmax(0, 1fr); } }
.adders { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 14px; }
@media (max-width: 760px) { .adders { grid-template-columns: 1fr; } }
.adder label { display: block; font-size: 0.85em; font-weight: 600; margin-bottom: 4px; }
.matrix-tools { font-size: 0.88em; margin: 4px 0 10px; display: flex; flex-wrap: wrap; gap: 4px 6px; align-items: center; }
.legend { margin-left: auto; display: flex; flex-wrap: wrap; gap: 4px 10px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 4px; }
.legend i { width: 18px; height: 14px; border-radius: 3px; border: 1px solid var(--line); display: inline-block; }

.matrix-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table.matrix { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 0.9em; }
.matrix th, .matrix td { border-bottom: 1px solid var(--line); padding: 6px; vertical-align: top; text-align: left; }
.matrix thead th { background: var(--panel); position: sticky; top: 0; z-index: 1; font-weight: 600; }
.matrix .ev { min-width: 220px; width: 30%; }
.matrix .ev textarea { border-color: transparent; background: transparent; padding: 2px 4px; min-height: 2.4em; }
.matrix .ev textarea:hover, .matrix .ev textarea:focus { border-color: var(--field-line); background: var(--field); }
.matrix .meta-cell { white-space: nowrap; font-size: 0.78em; color: var(--muted); }
.matrix .meta-cell label { display: flex; flex-direction: column; margin-bottom: 4px; }
.matrix .meta-cell select { font-size: 1.1em; padding: 1px 2px; }
.matrix th.hyp { min-width: 118px; }
.matrix th.hyp textarea { font-weight: 600; font-size: 0.95em; padding: 2px 4px; min-height: 2.6em; }
.hyp-head { display: flex; justify-content: space-between; align-items: center; font-size: 0.78em; color: var(--muted); margin-bottom: 2px; }
.matrix td.cell { padding: 3px; text-align: center; }
.matrix td.cell select { width: 100%; min-width: 64px; font-weight: 700; text-align: center; border-color: transparent; padding: 6px 2px; }
.cell.r-CC, .cell.r-CC select { background: var(--r-cc); }
.cell.r-C, .cell.r-C select { background: var(--r-c); }
.cell.r-N, .cell.r-N select { background: var(--r-n); }
.cell.r-NA select { background: var(--r-na); color: var(--muted); }
.cell.r-I, .cell.r-I select { background: var(--r-i); }
.cell.r-II, .cell.r-II select { background: var(--r-ii); }
.cell.r- select { background: var(--field); border: 1px dashed var(--field-line); color: var(--muted); }
tr.excluded td { opacity: 0.45; }
.diag { font-size: 0.8em; white-space: nowrap; }
.diag.none { color: var(--warn); font-weight: 600; }
.diag.high { font-weight: 700; }
.rowtools { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 0.8em; margin-top: 2px; padding-left: 4px; }
.more { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 6px 10px; margin-top: 6px; font-size: 0.85em; }
.more label { display: flex; flex-direction: column; gap: 2px; color: var(--muted); }
.more .full { grid-column: 1 / -1; }
.matrix tfoot td, .matrix tfoot th { background: var(--panel); font-weight: 600; border-bottom: 0; }
.score { font-variant-numeric: tabular-nums; font-size: 1.05em; }
.rank1 { background: var(--mark); color: var(--mark-ink); padding: 0 4px; border-radius: 3px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

.results { background: var(--panel); border-radius: 8px; padding: 14px 16px; position: sticky; top: 12px; }
.results h3 { font-size: 0.95em; margin: 14px 0 6px; }
.results h3:first-child { margin-top: 0; }
.rank-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rank-list li { font-size: 0.88em; }
.rank-list .name { display: flex; gap: 6px; align-items: baseline; }
.rank-list .num { font-weight: 700; min-width: 1.2em; }
.bar-row { display: flex; align-items: center; gap: 8px; margin-top: 3px; padding-left: 1.6em; }
.bar-track { flex: 1; height: 10px; }
.bar { height: 10px; min-width: 2px; background: var(--bar); border-radius: 0 4px 4px 0; }
.bar-val { font-variant-numeric: tabular-nums; font-size: 0.85em; color: var(--ink-2); min-width: 2.5em; text-align: right; }
.results ul.plain { margin: 0; padding-left: 18px; font-size: 0.86em; display: grid; gap: 4px; }
.results .note { font-size: 0.8em; color: var(--muted); margin-top: 10px; }

.milestones { padding-left: 20px; display: grid; gap: 6px; }
.milestones li { display: flex; gap: 10px; justify-content: space-between; }
.report { max-width: 900px; border: 1px solid var(--line); border-radius: 8px; padding: 20px 24px; overflow-x: auto; }
.report table { border-collapse: collapse; font-size: 0.88em; margin: 8px 0 16px; }
.report th, .report td { border: 1px solid var(--line); padding: 4px 8px; text-align: left; vertical-align: top; }
.report h1 { font-size: 1.4em; margin: 0 0 10px; }
.report h2 { font-size: 1.1em; }

.steps { padding-left: 22px; display: grid; gap: 8px; }
.defs { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; }
.defs dt { font-weight: 700; }
.defs dt span { display: inline-block; min-width: 2.6em; text-align: center; border-radius: 4px; padding: 0 4px; }
.defs dd { margin: 0; }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 6px; font-size: 0.9em; display: flex; gap: 14px; align-items: center; z-index: 20; }
.toast .link { color: var(--mark); }
footer.site { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 0.85em; color: var(--muted); }
@media print { header nav, .actions, .adders, .matrix-tools, .checks, footer.site, .rowtools { display: none !important; } }