/* opencode-go Value - system fonts only, no external requests.
 * A printed-ledger look: warm paper, one accent, serif headings over a sans
 * body, mono for data. Light by default, dark via prefers-color-scheme.
 * Every colour and font below comes through a token.
 */

:root {
  --paper: oklch(0.975 0.008 85);
  --paper-2: oklch(0.948 0.011 85);
  --ink: oklch(0.22 0.015 60);
  --ink-dim: oklch(0.42 0.015 60);
  --ink-faint: oklch(0.5 0.013 60);
  --rule: oklch(0.8 0.012 80);
  --rule-soft: oklch(0.88 0.01 80);
  --accent: oklch(0.5 0.15 38);
  --on-ink: oklch(0.975 0.008 85);
  --warn: oklch(0.5 0.12 70);

  --display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --page: 1080px;
  --pad: clamp(1.1rem, 0.6rem + 2.4vw, 2.5rem);
  --radius: 2px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: oklch(0.19 0.01 60);
    --paper-2: oklch(0.235 0.012 60);
    --ink: oklch(0.93 0.01 85);
    --ink-dim: oklch(0.76 0.012 80);
    --ink-faint: oklch(0.65 0.012 75);
    --rule: oklch(0.38 0.012 60);
    --rule-soft: oklch(0.29 0.012 60);
    --accent: oklch(0.76 0.13 48);
    --on-ink: oklch(0.19 0.01 60);
    --warn: oklch(0.8 0.12 80);
  }
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.03rem);
  line-height: 1.6;
}

img, svg, table, pre { max-width: 100%; }

::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--accent); }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
th:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--paper-2);
  padding: 0.05em 0.3em;
  border-radius: var(--radius);
}

/* --- frame --- */

.hero,
main,
.site-footer {
  max-width: var(--page);
  margin: 0 auto;
  padding-inline: var(--pad);
}

/* --- hero --- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem 3rem;
  padding-top: clamp(2.5rem, 1.5rem + 5vw, 5.5rem);
  padding-bottom: clamp(1.75rem, 1rem + 2.5vw, 3rem);
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-style: normal;
  font-weight: 600;
}

h1 {
  margin: 0;
  max-width: 13ch;
  font-size: clamp(2.5rem, 1.4rem + 5.2vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}

.lead {
  margin: 0;
  max-width: 44ch;
  align-self: end;
  color: var(--ink-dim);
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.14rem);
}

.meta-line {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 2rem;
  margin: 0.5rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--ink);
  font-size: 0.85rem;
}
.meta-line div { display: flex; gap: 0.5rem; min-width: 0; }
.meta-line dt { color: var(--ink-faint); }
.meta-line dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

/* --- sections --- */

main > section { padding: clamp(1.75rem, 1.2rem + 2.4vw, 3.25rem) 0; }

.section-head { margin-bottom: 1.1rem; }

h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem);
  letter-spacing: -0.015em;
  line-height: 1.1;
}
.section-head h2 { margin: 0 0 0.4rem; }

h3 { font-size: 1.05rem; margin: 1.5rem 0 0.45rem; }

.hint {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-dim);
  font-size: 0.9rem;
}

/* --- picks: a ruled ledger, one row per role --- */

.picks { border-top: 1px solid var(--ink); }

.pick {
  display: grid;
  grid-template-columns: minmax(8rem, 11rem) minmax(0, 1fr) minmax(5.5rem, auto);
  grid-template-areas:
    "role model score"
    "role stats score"
    "role reason score";
  column-gap: 2rem;
  row-gap: 0.35rem;
  padding: 1.35rem 0 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.pick-role {
  grid-area: role;
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.15;
}

.pick-model {
  grid-area: model;
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem);
  font-weight: 600;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.pick-score {
  grid-area: score;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.8rem;
  line-height: 1.2;
}
.pick-score span {
  font-family: var(--mono);
  font-size: clamp(2rem, 1.6rem + 1.4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}

.pick-stats {
  grid-area: stats;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.6rem;
  margin: 0;
  font-size: 0.86rem;
}
.pick-stats div { display: flex; gap: 0.45rem; align-items: baseline; min-width: 0; }
.pick-stats dt { color: var(--ink-faint); white-space: nowrap; }
.pick-stats dd { margin: 0; font-family: var(--mono); overflow-wrap: anywhere; }

.pick-reason {
  grid-area: reason;
  margin: 0.35rem 0 0;
  max-width: 58ch;
  color: var(--ink-dim);
  font-size: 0.9rem;
}

.pick-empty .pick-score,
.pick-empty .pick-stats,
.pick-empty .pick-reason { display: none; }
.pick-empty .pick-model {
  color: var(--warn);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.95rem;
}

/* --- table --- */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

table.models {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

table.models th,
table.models td {
  padding: 0.6rem 1rem 0.6rem 0;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--rule-soft);
}
table.models th:first-child,
table.models td:first-child { padding-left: 0.75rem; }
table.models th:last-child,
table.models td:last-child { padding-right: 0.75rem; }
table.models tbody tr:last-child td { border-bottom: 0; }

table.models thead th {
  color: var(--ink-faint);
  font-size: 0.8rem;
  font-weight: 600;
  border-bottom: 1px solid var(--rule);
}
table.models th.num,
table.models td.num { text-align: right; padding-left: 1rem; padding-right: 0; }
table.models th.num + th.num,
table.models td.num + td.num { padding-left: 1.75rem; }

table.models th.sortable { cursor: pointer; user-select: none; }
table.models th.sortable:hover { color: var(--ink); }
table.models th.sortable::after { content: "↕"; margin-left: 0.35rem; opacity: 0.45; }
table.models th.sort-asc,
table.models th.sort-desc { color: var(--ink); }
table.models th.sort-asc::after { content: "↑"; opacity: 1; color: var(--accent); }
table.models th.sort-desc::after { content: "↓"; opacity: 1; color: var(--accent); }

table.models td:first-child { font-family: var(--mono); font-size: 0.84rem; }
table.models td.num { font-family: var(--mono); font-size: 0.84rem; }

table.models tbody tr.muted td { color: var(--ink-faint); }
table.models tbody tr.recommended-row td { background-color: var(--paper-2); }
table.models tbody tr.recommended-row td:first-child { font-weight: 700; }
table.models tbody tr:hover td { background-color: var(--paper-2); }

.tag {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0 0.1rem;
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 500;
  white-space: nowrap;
  vertical-align: baseline;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
}
.tag-free {
  color: var(--warn);
  border-bottom-color: currentColor;
  cursor: help;
}

/* --- disclosures --- */

details > summary {
  cursor: pointer;
  user-select: none;
  list-style: none;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  margin: 0 0.6rem 0.12rem 0.1rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform 0.15s ease-out;
}
details[open] > summary::before { transform: rotate(45deg); }

details.notes { margin-top: 1.25rem; }
details.notes > summary {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-dim);
}
details.notes > summary:hover { color: var(--ink); }

.notes-body { padding: 0.1rem 0 1rem 1.15rem; border-left: 1px solid var(--rule); }
.notes-body h3 { margin: 1rem 0 0.3rem; font-size: 1rem; }
.notes-body p { margin: 0.3rem 0 0; max-width: 72ch; font-size: 0.88rem; color: var(--ink-dim); }

.matrix { margin: 0.3rem 0 0.6rem; padding-left: 1.15rem; max-width: 80ch; }
.matrix li { margin: 0.3rem 0; font-size: 0.88rem; color: var(--ink-dim); }
.matrix li strong { color: var(--ink); }

/* --- prompt: framed by rules, not by a fake window --- */

.prompt-frame {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.prompt-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.prompt-file {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
}

#copy-prompt {
  background: var(--ink);
  color: var(--on-ink);
  border: 0;
  border-radius: var(--radius);
  padding: 0.45rem 1.05rem;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s ease-out;
}
#copy-prompt:hover { background: var(--accent); color: var(--paper); }
#copy-prompt:active { transform: translateY(1px); }

.prompt-details > summary {
  padding: 0.65rem 0;
  font-size: 0.88rem;
  color: var(--ink-dim);
}
.prompt-details > summary:hover { color: var(--ink); }

#daily-prompt {
  margin: 0;
  padding: 1rem 1.15rem 1.2rem;
  background: var(--paper-2);
  border-radius: var(--radius);
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--ink-dim);
}
#daily-prompt a { color: var(--ink); text-decoration-color: var(--rule); }

/* --- footer --- */

.site-footer {
  width: min(var(--page) - 2 * var(--pad), 100% - 2 * var(--pad));
  padding-inline: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  margin-top: 1rem;
  padding-top: 1.1rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--ink);
  color: var(--ink-faint);
  font-size: 0.84rem;
}
.site-footer p { margin: 0; }

.sources { display: inline-flex; flex-wrap: wrap; gap: 0.25rem 1rem; margin-left: 0.5rem; }
.sources a { font-family: var(--mono); }

.loading { color: var(--ink-faint); }

/* --- responsive --- */

@media (min-width: 860px) {
  .hero { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }
}

@media (max-width: 859px) {
  .pick {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "role score"
      "model model"
      "stats stats"
      "reason reason";
    column-gap: 1rem;
  }
  .pick-score { flex-direction: row; align-items: baseline; gap: 0.5rem; }
  .pick-score span { order: -1; }
  .pick-empty .pick-score { display: none; }
}

@media (max-width: 640px) {
  .meta-line { flex-direction: column; }

  /* The table becomes a list: header turns into sort chips, each row a block. */
  .table-wrap { overflow: visible; }
  table.models,
  table.models tbody { display: block; }
  table.models thead { display: block; }
  table.models thead tr {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--rule);
  }
  table.models thead th {
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    font-size: 0.78rem;
  }
  table.models th.num { text-align: left; }
  table.models th.num + th.num { padding-left: 0.6rem; }
  table.models th:first-child { padding-left: 0.6rem; }
  table.models th:last-child { padding-right: 0.6rem; }

  table.models tbody tr {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.35rem 0.5rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--rule-soft);
  }
  table.models tbody tr:last-child { border-bottom: 0; }
  table.models tbody tr.recommended-row { background-color: var(--paper-2); padding-inline: 0.75rem; }

  table.models tbody td,
  table.models tbody tr.recommended-row td,
  table.models tbody tr:hover td {
    display: block;
    padding: 0;
    border: 0;
    background: none;
    text-align: left;
    white-space: normal;
  }
  table.models tbody td:first-child,
  table.models tbody td:last-child { padding: 0; }
  table.models tbody td.num,
  table.models tbody td.num + td.num { text-align: left; padding: 0; }
  table.models tbody td:first-child { grid-column: 1 / -1; font-size: 0.88rem; }
  table.models tbody tr.recommended-row td:first-child { padding: 0; }
  table.models td.num::before {
    content: attr(data-label);
    display: block;
    font-family: var(--sans);
    font-size: 0.74rem;
    color: var(--ink-faint);
  }
  table.models td.num { font-size: 0.84rem; }
  table.models td.loading { grid-column: 1 / -1; }

  .prompt-bar { flex-wrap: wrap; }
  #daily-prompt { font-size: 0.74rem; padding: 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}