/* hitrate — one stylesheet, no framework, no build step. */

:root {
  --bg: #fbfaf7;
  --bg-panel: #ffffff;
  --bg-sunken: #f2f0eb;
  --ink: #1c1a17;
  --ink-soft: #56514a;
  --ink-faint: #8b857c;
  --line: #e0dcd3;
  --accent: #b4531f;
  --accent-soft: #f4e3d8;
  --good: #2f6b45;
  --over: #a52f2f;
  --under: #2f5aa5;
  --unknown: #7a746a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(28, 26, 23, .05), 0 8px 24px -12px rgba(28, 26, 23, .18);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14130f;
    --bg-panel: #1c1a16;
    --bg-sunken: #221f1a;
    --ink: #f0ece3;
    --ink-soft: #b8b1a4;
    --ink-faint: #837c70;
    --line: #322e27;
    --accent: #e08a4e;
    --accent-soft: #3a2a1c;
    --good: #6bbd8b;
    --over: #e8756e;
    --under: #79a6e8;
    --unknown: #8b8478;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .7);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 60rem; margin: 0 auto; padding: 0 1.25rem; }

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

.masthead {
  border-bottom: 1px solid var(--line);
  padding: 3.5rem 0 2.5rem;
  background:
    radial-gradient(120% 100% at 15% 0%, var(--accent-soft) 0%, transparent 55%),
    var(--bg);
}

.masthead h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  letter-spacing: -.035em;
  font-weight: 800;
}

.tagline {
  margin: .2rem 0 1rem;
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  color: var(--ink-soft);
}
.tagline strong { color: var(--accent); }

.blurb { margin: 0 0 .75rem; max-width: 46rem; color: var(--ink-soft); }

.privacy {
  margin: 0;
  font-size: .85rem;
  color: var(--ink-faint);
  font-family: var(--mono);
}

main { padding: 2rem 1.25rem 4rem; }

/* --- verdict ------------------------------------------------------------ */

.verdict {
  border: 1px solid var(--line);
  border-left: 5px solid var(--unknown);
  border-radius: var(--radius);
  background: var(--bg-panel);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
}
.verdict h2 { margin: 0 0 .4rem; font-size: 1.5rem; letter-spacing: -.02em; }
.verdict p { margin: 0; color: var(--ink-soft); max-width: 52rem; }

.verdict[data-tone="good"]    { border-left-color: var(--good); }
.verdict[data-tone="over"]    { border-left-color: var(--over); }
.verdict[data-tone="under"]   { border-left-color: var(--under); }
.verdict[data-tone="unknown"],
.verdict[data-tone="empty"]   { border-left-color: var(--unknown); }
.verdict[data-tone="good"]  h2 { color: var(--good); }
.verdict[data-tone="over"]  h2 { color: var(--over); }
.verdict[data-tone="under"] h2 { color: var(--under); }

/* --- stat row ----------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: .75rem;
  margin-bottom: 2rem;
}

.stat {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .9rem 1rem;
}
.stat .value {
  display: block;
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.2;
}
.stat .label { display: block; font-size: .78rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .06em; }
.stat .note { display: block; font-size: .8rem; color: var(--ink-soft); margin-top: .2rem; }
.stat .value.muted { color: var(--ink-faint); }

/* --- panels ------------------------------------------------------------- */

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
}
.panel h2 { margin: 0 0 .35rem; font-size: 1.15rem; letter-spacing: -.01em; }
.hint { margin: 0 0 1.25rem; color: var(--ink-soft); font-size: .92rem; max-width: 50rem; }
.count { color: var(--ink-faint); font-weight: 400; font-family: var(--mono); font-size: .9rem; }

/* --- chart -------------------------------------------------------------- */

.chart { overflow-x: auto; }
.chart svg { display: block; width: 100%; height: auto; min-width: 22rem; max-width: 34rem; margin: 0 auto; }
.chart .grid { stroke: var(--line); stroke-width: .4; }
.chart .ideal { stroke: var(--ink-faint); stroke-width: .5; stroke-dasharray: 2 2; }
.chart .axis-label { fill: var(--ink-faint); font-size: 3px; font-family: var(--mono); }
.chart .tick { fill: var(--ink-faint); font-size: 2.6px; font-family: var(--mono); }
.chart .bar { stroke: var(--accent); stroke-width: 1; stroke-linecap: round; opacity: .45; }
.chart .dot { fill: var(--accent); }
.chart .dot.thin { fill: var(--bg-panel); stroke: var(--accent); stroke-width: .8; }

/* --- bucket table ------------------------------------------------------- */

table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); }
th { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); font-weight: 600; }
td.num { font-family: var(--mono); text-align: right; }
tr.empty td { color: var(--ink-faint); }

.tag-verdict { font-family: var(--mono); font-size: .82rem; }
.v-over { color: var(--over); }
.v-under { color: var(--under); }
.v-calibrated { color: var(--good); }
.v-unknown { color: var(--ink-faint); }

/* --- forms -------------------------------------------------------------- */

.field { display: block; margin-bottom: 1rem; }
.field > span { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .3rem; }
.field small { font-weight: 400; color: var(--ink-faint); }
.field > small { display: block; margin-top: .3rem; font-size: .78rem; }

input[type="text"], input[type="date"] {
  width: 100%;
  padding: .6rem .7rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--bg-sunken);
  color: var(--ink);
  font: inherit;
  font-size: .95rem;
}
input:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; }
@media (max-width: 42rem) { .row { grid-template-columns: 1fr; } }

input[type="range"] { width: 100%; accent-color: var(--accent); }
#confidence-out { float: right; font-family: var(--mono); color: var(--accent); }

button {
  font: inherit;
  font-size: .9rem;
  padding: .55rem 1rem;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--ink);
  cursor: pointer;
}
button:hover { border-color: var(--ink-faint); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.danger:hover { border-color: var(--over); color: var(--over); }
.buttons { display: flex; flex-wrap: wrap; gap: .5rem; }

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

.predictions { list-style: none; margin: 0; padding: 0; }
.predictions li {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.predictions li:last-child { border-bottom: 0; }
.predictions .conf {
  font-family: var(--mono);
  font-weight: 600;
  min-width: 3.2rem;
  color: var(--accent);
}
.predictions .what { flex: 1 1 16rem; }
.predictions .meta { font-size: .8rem; color: var(--ink-faint); font-family: var(--mono); }
.predictions .meta.overdue { color: var(--over); }
.predictions .actions { display: flex; gap: .35rem; }
.predictions.resolved .conf.hit { color: var(--good); }
.predictions.resolved .conf.miss { color: var(--over); }
.predictions.resolved .what { color: var(--ink-soft); }
.empty-note { color: var(--ink-faint); font-style: italic; }

/* --- misc --------------------------------------------------------------- */

.demo-banner {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: .7rem 1rem;
  margin-bottom: 1.25rem;
  font-size: .9rem;
}

footer { padding: 2rem 1.25rem 3rem; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: .85rem; }
footer a { color: var(--accent); }

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: var(--ink);
  color: var(--bg);
  padding: .6rem 1.1rem;
  border-radius: 999px;
  font-size: .88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

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