:root {
  color-scheme: dark light;
  --bg: #0f1419;
  --panel: #161c23;
  --text: #c9d1d9;
  --text-strong: #f0f6fc;
  --muted: #6e7681;
  --line: #1f2730;
  --line-soft: #1a2129;
  --accent: #58a6ff;
  --idea: #f2cc60;
  --plan: #79c0ff;
  --build: #56d4a8;
  --review: #ff9670;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8f6ee;
    --panel: #efece0;
    --text: #1a1c17;
    --text-strong: #0a0c08;
    --muted: #8a8475;
    --line: #d8d4c3;
    --line-soft: #e7e3d3;
    --accent: #2c5fa8;
    --idea: #b8851c;
    --plan: #2563a8;
    --build: #197557;
    --review: #b8351f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.55 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

.shell { max-width: 1200px; margin: 0 auto; padding: 28px 32px; }

header {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 22px;
}
.brand { font-weight: 700; color: var(--text-strong); }
.brand .prompt { color: var(--accent); margin-right: 6px; }
.meta { color: var(--muted); }
nav a { margin-left: 14px; color: var(--muted); }
nav a:hover { color: var(--text-strong); }

/* === Mode toggle === */
.mode-toggle {
  display: inline-flex; gap: 0; border: 1px solid var(--line);
  border-radius: 4px; overflow: hidden; margin: 6px 0 22px;
}
.mode-toggle button {
  font: inherit; color: var(--muted); background: transparent;
  border: 0; padding: 7px 14px; cursor: pointer;
}
.mode-toggle [data-mode-value]::before {
  content: "○ "; color: var(--muted);
}
body[data-mode="raw"] .mode-toggle [data-mode-value="raw"]::before,
body[data-mode="adjusted"] .mode-toggle [data-mode-value="adjusted"]::before {
  content: "● "; color: var(--accent);
}
body[data-mode="raw"] .mode-toggle [data-mode-value="raw"],
body[data-mode="adjusted"] .mode-toggle [data-mode-value="adjusted"] {
  background: var(--panel); color: var(--text-strong);
}
.mode-toggle [data-mode-value="raw"] { border-right: 1px solid var(--line); }
.mode-toggle .mode-short { display: none; }

/* === Hero === */
.hero { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin: 8px 0 28px; }
.hero .role-head { font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 12px; }
.hero .role.idea .role-head { color: var(--idea); }
.hero .role.plan .role-head { color: var(--plan); }
.hero .role.build .role-head { color: var(--build); }
.hero .role.review .role-head { color: var(--review); }
.hero .row { display: grid; grid-template-columns: 14px 1fr auto; gap: 8px; padding: 6px 0; align-items: baseline; border-bottom: 1px solid var(--line-soft); }
.hero .row:last-child { border-bottom: 0; }
.hero .row.top { padding-bottom: 8px; }
.hero .row.top .name, .hero .row.top .score { color: var(--text-strong); font-weight: 700; }
.hero .row .pos { color: var(--muted); }
.hero .row .name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hero .row .score { font-variant-numeric: tabular-nums; }

/* Mode-driven score swap (hero) */
body[data-mode="raw"] .hero .score-adjusted,
body[data-mode="adjusted"] .hero .score-raw { display: none; }

@media (max-width: 760px) { .hero { grid-template-columns: 1fr 1fr; } }

/* === Scoring panel === */
details.scoring { border: 1px solid var(--line); border-radius: 4px; margin-bottom: 28px; }
details.scoring > summary {
  cursor: pointer; padding: 10px 14px; font-weight: 700; color: var(--text-strong);
  list-style: none;
}
details.scoring > summary::-webkit-details-marker { display: none; }
details.scoring > summary::before { content: "▸ "; color: var(--muted); }
details.scoring[open] > summary::before { content: "▾ "; color: var(--muted); }
details.scoring .scoring-body { padding: 4px 16px 16px; color: var(--text); border-top: 1px solid var(--line-soft); }
details.scoring h3 { margin: 14px 0 4px; color: var(--text-strong); }
details.scoring p { margin: 6px 0; line-height: 1.55; }
details.scoring code, details.scoring pre { background: var(--panel); padding: 1px 5px; border-radius: 3px; }

/* === Leaderboard === */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin: 8px 0 14px; }
.toolbar input {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 4px;
  background: var(--panel); color: var(--text); font: inherit; min-width: 280px;
}
.vendor-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.vendor-chips button {
  font: inherit; color: var(--muted); background: transparent;
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; cursor: pointer;
}
.vendor-chips button.active { background: var(--panel); color: var(--text-strong); border-color: var(--accent); }

.lb-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.leaderboard { width: 100%; border-collapse: collapse; }
table.leaderboard th, table.leaderboard td {
  padding: 7px 10px; border-bottom: 1px solid var(--line-soft); text-align: left; vertical-align: top;
}
table.leaderboard th {
  background: var(--bg); font-weight: 700;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em;
}
table.leaderboard th.num { text-align: right; }
table.leaderboard th button.sort {
  font: inherit; color: inherit; background: transparent; border: 0; padding: 0; cursor: pointer;
  letter-spacing: inherit; text-transform: inherit; text-align: inherit;
  display: block; width: 100%;
}
table.leaderboard th button.sort::after { content: " ▼"; visibility: hidden; }
table.leaderboard th[data-sort-active="desc"] button.sort { color: var(--text-strong); }
table.leaderboard th[data-sort-active="desc"] button.sort::after { visibility: visible; }
/* Right-aligned (numeric) columns: indicator before label so label stays flush right */
table.leaderboard th.num button.sort::after { content: none; }
table.leaderboard th.num button.sort::before { content: "▼ "; visibility: hidden; }
table.leaderboard th.num[data-sort-active="desc"] button.sort::before { visibility: visible; }
table.leaderboard td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.leaderboard td.num[data-tier="high"] { color: var(--text-strong); font-weight: 700; }
table.leaderboard td.num[data-tier="low"] { color: var(--muted); }
.hero .score-raw[data-tier="low"], .hero .score-adjusted[data-tier="low"] { color: var(--muted); }
table.leaderboard tr.row.expanded { background: var(--panel); }
table.leaderboard tr.expand { display: none; }
table.leaderboard tr.expand.open { display: table-row; background: var(--panel); }
table.leaderboard tr.expand td { padding: 14px 18px 18px; border-bottom: 1px solid var(--line); }
table.leaderboard tr.row td.expand-toggle { width: 24px; text-align: center; cursor: pointer; color: var(--muted); }
table.leaderboard tr.row.expanded td.expand-toggle { color: var(--text-strong); }

/* Mode-driven score swap (leaderboard) */
body[data-mode="raw"] td.score-adjusted,
body[data-mode="raw"] th.score-adjusted,
body[data-mode="adjusted"] td.score-raw,
body[data-mode="adjusted"] th.score-raw { display: none; }

/* Inline expansion contents */
.expand .exp-block { margin-bottom: 16px; }
.expand .exp-block:last-child { margin-bottom: 0; }
.expand h4 { margin: 0 0 8px; color: var(--text-strong); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 700; }

.expand .exp-table {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(120px, 2fr) 56px 64px;
  gap: 5px 14px;
  align-items: center;
}
.expand .exp-label { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.expand .exp-bar { display: block; background: var(--line); height: 6px; border-radius: 2px; }
.expand .exp-bar-fill { display: block; background: var(--accent); height: 100%; border-radius: 2px; }
.expand .exp-value { font-variant-numeric: tabular-nums; text-align: right; color: var(--text); }
.expand .exp-value[data-tier="high"] { color: var(--text-strong); font-weight: 700; }
.expand .exp-value[data-tier="low"] { color: var(--muted); }
.expand .exp-rank { font-variant-numeric: tabular-nums; text-align: right; color: var(--muted); }
.expand .exp-rank.top { color: var(--accent); font-weight: 700; }

.expand .exp-meta { color: var(--muted); }
.expand .exp-meta-label {
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em;
  font-weight: 700; margin-right: 6px;
}
.expand .exp-meta-label:not(:first-child) { margin-left: 18px; }
.expand .pill {
  display: inline-block; border: 1px solid var(--line); border-radius: 4px;
  padding: 1px 7px; margin: 2px 2px 2px 0; color: var(--muted);
}

/* About page */
.doc { max-width: 760px; }
.doc h2 { color: var(--text-strong); margin-top: 28px; }
.doc h3 { color: var(--text-strong); }
.doc p, .doc li { line-height: 1.65; }
.doc pre { background: var(--panel); padding: 12px 14px; border-radius: 4px; overflow-x: auto; }
.doc table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.doc th, .doc td { padding: 7px 10px; border-bottom: 1px solid var(--line-soft); text-align: left; }

footer { margin-top: 36px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); }

/* === Mobile === */
@media (max-width: 760px) {
  .shell { padding: 16px 14px; }
  header { flex-wrap: wrap; gap: 8px; }
  .brand { font-size: inherit; }
  nav a { margin-left: 0; margin-right: 14px; }

  /* Mode toggle stays inline with short labels */
  .mode-toggle .mode-long { display: none; }
  .mode-toggle .mode-short { display: inline; }
  .mode-toggle [data-mode-value] { padding: 6px 12px; }

  .toolbar input { min-width: 0; flex: 1 1 auto; width: 100%; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .vendor-chips { gap: 4px; }

  /* Wider-than-viewport leaderboard scrolls horizontally inside .lb-scroll */
  table.leaderboard { min-width: max-content; }
  table.leaderboard th, table.leaderboard td { padding: 5px 8px; white-space: nowrap; }
  table.leaderboard tr.expand td { white-space: normal; padding: 0; }

  /* Pin expand content to the visible viewport even when the table is
     scrolled horizontally — the expand <td> spans 10 columns so without
     this the breakdown sits far offscreen-right. */
  .expand-inner {
    position: sticky;
    left: 0;
    width: calc(100vw - 28px); /* shell padding */
    max-width: calc(100vw - 28px);
    box-sizing: border-box;
    padding: 12px 8px 14px;
  }

  .expand .exp-table {
    grid-template-columns: minmax(0, 1.4fr) minmax(50px, 1fr) 46px 52px;
    gap: 4px 8px;
  }
  .expand h4 { margin-top: 6px; }
  .expand .exp-meta-label:not(:first-child) { margin-left: 0; display: block; margin-top: 6px; }

  /* Hero stays 2x2 with tighter rows */
  .hero { gap: 14px; }
  .hero .row { padding: 4px 0; }

  /* About page: overflow tables inside .doc-scroll wrappers; loosen prose */
  .doc-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 14px 0; }
  .doc-scroll > table { margin: 0; min-width: max-content; }
  .doc th, .doc td { padding: 5px 8px; white-space: nowrap; }
  .doc pre { white-space: pre-wrap; word-break: break-word; }
}