/* AI Model Radar - weekly report styles.
   One file, no build step, no JS. Light and dark. */

:root {
  --paper: #fbfaf7;
  --card: #ffffff;
  --ink: #14161a;
  --ink-soft: #4d5560;
  --ink-faint: #838b95;
  --line: #e5e1d8;
  --accent: #1c6b58;
  --accent-soft: #e4f0ec;
  --ember: #b4541f;
  --ember-soft: #fbeade;
  --shadow: 0 1px 2px rgba(20, 22, 26, 0.04), 0 8px 24px rgba(20, 22, 26, 0.06);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12141a;
    --card: #191c23;
    --ink: #eceef2;
    --ink-soft: #a7b0bd;
    --ink-faint: #79828f;
    --line: #272b34;
    --accent: #59c2a5;
    --accent-soft: #16302a;
    --ember: #e08b5a;
    --ember-soft: #33211a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 10px 28px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  font-feature-settings: "kern", "liga";
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.wrap { max-width: 62rem; margin: 0 auto; padding: 0 1.25rem; }

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.masthead .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand span { color: var(--accent); }

.issue {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.masthead nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.85rem;
}

.masthead nav a { color: var(--ink-soft); text-decoration: none; }
.masthead nav a:hover { color: var(--accent); }

/* ---------- hero ---------- */

.hero { padding: 2.6rem 0 1.4rem; }

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 5vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.hero .lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 46rem;
  margin: 0;
}

.hero .lede em { color: var(--ink); font-style: normal; font-weight: 600; }

.meta-line {
  margin-top: 1.1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
}

/* ---------- section scaffolding ---------- */

section { padding: 1.9rem 0; border-top: 1px solid var(--line); }

section > h2 {
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.15rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

section > h2 .anchor {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  text-decoration: none;
  font-weight: 400;
}

section > p.sub {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 46rem;
}

/* ---------- the quick answer table ---------- */

.answer {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.answer th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
  padding: 0 0.7rem 0.5rem 0;
  border-bottom: 1px solid var(--line);
}

.answer td {
  padding: 0.62rem 0.7rem 0.62rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.answer tr:last-child td { border-bottom: 0; }

.answer .who { font-weight: 600; }
.answer .who small { display: block; color: var(--ink-faint); font-weight: 400; font-size: 0.8rem; }
.answer .price { font-family: var(--mono); white-space: nowrap; font-size: 0.85rem; }
.answer .note { color: var(--ink-soft); font-size: 0.88rem; }

/* ---------- picks ---------- */

.picks {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
}

.pick {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.05rem 0.95rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.pick .rank {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

.pick h3 {
  font-family: var(--serif);
  font-size: 1.12rem;
  margin: 0;
  line-height: 1.25;
}

.pick h3 a { color: var(--ink); text-decoration: none; }
.pick h3 a:hover { color: var(--accent); }

.pick .price-line {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--accent);
  font-weight: 600;
}

.pick .price-line .per-task { color: var(--ink-faint); font-weight: 400; }

.pick .verdict {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin-top: auto;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
}

.metric .label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
}

.metric .label b { color: var(--ink-soft); font-weight: 500; }

.bar {
  height: 4px;
  border-radius: 3px;
  background: var(--line);
  margin-top: 3px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

.bar.value span { background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--ember))); }
.bar.pop span { background: var(--ink-faint); }

.tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }

.tag {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.03em;
  padding: 0.1rem 0.42rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}

.tag.plain { background: transparent; color: var(--ink-faint); border: 1px solid var(--line); }

.empty {
  color: var(--ink-faint);
  font-size: 0.9rem;
  font-style: italic;
  padding: 0.7rem 0;
}

/* ---------- lists ---------- */

.list { list-style: none; margin: 0; padding: 0; }

.list li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
}

.list li:last-child { border-bottom: 0; }

.list .title { flex: 1; }
.list .title a { color: var(--ink); text-decoration: none; }
.list .title a:hover { color: var(--accent); text-decoration: underline; }

.list .src {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  white-space: nowrap;
}

.drop .pct { color: var(--accent); }
.rise .pct { color: var(--ember); }

.list .move {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* ---------- archive ---------- */

.archive { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }

.archive li {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}

.archive .week { font-family: var(--mono); font-size: 0.82rem; color: var(--accent); }
.archive .date { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-faint); margin-left: auto; }

/* ---------- method ---------- */

.method {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.method h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  margin: 0 0 0.6rem;
  color: var(--ink);
}

.method p { margin: 0 0 0.7rem; }

.method .sources {
  display: grid;
  gap: 0.25rem 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin: 0.6rem 0 0.9rem;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.method .sources li { display: flex; gap: 0.5rem; align-items: baseline; }

.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }
.dot.bad { background: var(--ember); }

.method .llm {
  font-size: 0.82rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
  margin-top: 0.4rem;
}

/* ---------- footer ---------- */

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding: 1.4rem 0 2.5rem;
  color: var(--ink-faint);
  font-size: 0.82rem;
}

footer.site a { color: var(--ink-soft); }

@media (max-width: 640px) {
  .answer thead { display: none; }
  .answer, .answer tbody, .answer tr, .answer td { display: block; width: 100%; }
  .answer tr { border-bottom: 1px solid var(--line); padding: 0.55rem 0; }
  .answer td { border-bottom: 0; padding: 0.12rem 0; }
  .answer td::before {
    content: attr(data-label) " ";
    font-family: var(--mono);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--ink-faint);
  }
}