/* ═══════════════════════════════════════════════════════════════
   MatIntel — static explorer.
   Direction: lab notebook. Off-white ground, mono for every number,
   metrics drawn as bars rather than printed as decimals, and a
   single cyan accent matching roshansathish.com so the embedded
   iframe sits inside the portfolio without a seam.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --ink: #0f1c22;
  --slate: #55686f;
  --hair: #dde5e9;
  --paper: #ffffff;
  --mist: #f4f8fa;
  --cyan: #7bceef;
  --cyan-deep: #10708f;
  --cyan-soft: #e6f4fb;
  --up: #1c7d5a;
  --down: #a6541c;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--mist);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2.5rem); }

:focus-visible { outline: 2px solid var(--cyan-deep); outline-offset: 2px; }

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

/* ── hero ───────────────────────────────────────────────────── */
.hero {
  background: var(--paper);
  border-bottom: 1px solid var(--hair);
  padding: clamp(2.5rem, 7vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
}
.eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-deep);
}
.hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 8vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
}
.lede {
  max-width: 62ch;
  margin: 1.25rem 0 0;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  color: var(--slate);
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 2rem 0 0;
  padding: 0;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: 10px;
  overflow: hidden;
}
.facts > div { background: var(--paper); padding: 1rem 1.1rem; }
.facts dt {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}
.facts dd {
  margin: 0.3rem 0 0;
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.doclinks { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 1.75rem; }
.doclinks a {
  font-size: 0.92rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 1px;
}
.doclinks a:hover { color: var(--cyan-deep); }

/* ── explainer ──────────────────────────────────────────────── */
.explain {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(2rem, 5vw, 3rem) 0;
}
@media (max-width: 780px) { .explain { grid-template-columns: 1fr; } }
.explain h2, .caveats h2 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.explain p { margin: 0; color: var(--slate); font-size: 0.94rem; }
.legend { margin: 0; padding: 0; list-style: none; }
.legend li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--hair);
  font-size: 0.88rem;
  color: var(--slate);
}
.legend li:last-child { border-bottom: none; }
.legend b { color: var(--ink); font-weight: 600; }

/* ── controls ───────────────────────────────────────────────── */
.controls {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: flex-end;
  padding: 1rem;
  margin-bottom: 1.5rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 12px;
}
.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field--grow { flex: 1; min-width: 180px; }
.field label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}
.field select, .field input {
  font: inherit;
  font-size: 0.92rem;
  padding: 0.5rem 0.65rem;
  color: var(--ink);
  background: var(--mist);
  border: 1px solid var(--hair);
  border-radius: 7px;
}
.field select { max-width: 280px; }
.field select:focus, .field input:focus {
  background: var(--paper);
  border-color: var(--cyan-deep);
  outline: none;
}
.check {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.86rem;
  color: var(--slate);
  padding-bottom: 0.5rem;
}
.check input { accent-color: var(--cyan-deep); }

.status { padding: 2rem 0; text-align: center; color: var(--slate); font-size: 0.92rem; }

/* ── candidate cards ────────────────────────────────────────── */
.results { display: grid; gap: 0.85rem; }

.cand {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
}
.cand__head { display: flex; align-items: flex-start; gap: 0.9rem; }
.rank {
  flex-shrink: 0;
  width: 26px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--slate);
  padding-top: 0.2rem;
}
.cand__id { flex: 1; min-width: 0; }
.cand__id h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  word-break: break-word;
}
.cand__id p { margin: 0.1rem 0 0; color: var(--slate); }
.cand__flags {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  flex-shrink: 0;
}
.tag {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}
.tag--new { color: var(--cyan-deep); background: var(--cyan-soft); }
.shift {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.shift--up { color: var(--up); }
.shift--down { color: var(--down); }

.cand__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 0.9rem;
}
.metric__top { display: flex; justify-content: space-between; align-items: baseline; gap: 0.5rem; }
.metric__label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--slate);
}
.metric__value { font-family: var(--mono); font-size: 0.78rem; font-weight: 500; }
.metric__track {
  height: 5px;
  margin-top: 0.35rem;
  background: var(--mist);
  border-radius: 999px;
  overflow: hidden;
}
.metric__track span { display: block; height: 100%; background: var(--cyan); border-radius: 999px; }
.metric--accent .metric__track span { background: var(--cyan-deep); }
.metric--accent .metric__value { color: var(--cyan-deep); }

.cand__props {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--hair);
}
.cand__props dt {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--slate);
}
.cand__props dd { margin: 0.15rem 0 0; font-size: 0.87rem; }

/* ── caveats + footer ───────────────────────────────────────── */
.caveats { padding: clamp(2.5rem, 6vw, 4rem) 0 2rem; max-width: 68ch; }
.caveats p { color: var(--slate); font-size: 0.92rem; }
.provenance { font-size: 0.85rem !important; padding-left: 0.85rem; border-left: 2px solid var(--cyan); }

.foot { background: var(--paper); border-top: 1px solid var(--hair); padding: 1.5rem 0; }
.foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
}
.foot a { color: var(--cyan-deep); text-decoration: none; }

/* ── rendered markdown docs ─────────────────────────────────── */
.doc-page { background: var(--paper); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hair);
}
.site-header__back { font-size: 0.9rem; text-decoration: none; color: var(--ink); }
.site-header__crumb {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

.prose {
  max-width: 78ch;
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2.5rem) 5rem;
}
.prose h1 { font-size: 1.9rem; letter-spacing: -0.025em; margin-top: 0; }
.prose h2 {
  font-size: 1.35rem;
  letter-spacing: -0.015em;
  margin-top: 2.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--hair);
}
.prose h3 { font-size: 1.08rem; margin-top: 1.75rem; }
.prose h4 { font-size: 0.95rem; margin-top: 1.4rem; }
.prose p, .prose li { color: #2c3d44; }
.prose a { color: var(--cyan-deep); }
.prose code {
  font-family: var(--mono);
  font-size: 0.84em;
  padding: 0.12em 0.35em;
  background: var(--mist);
  border-radius: 4px;
}
.prose pre {
  padding: 1rem 1.1rem;
  overflow-x: auto;
  background: var(--mist);
  border: 1px solid var(--hair);
  border-radius: 9px;
}
.prose pre code { padding: 0; background: none; font-size: 0.8rem; line-height: 1.6; }
.prose blockquote {
  margin: 1.5rem 0;
  padding: 0.4rem 0 0.4rem 1.1rem;
  border-left: 3px solid var(--cyan);
  color: var(--slate);
}
.prose table {
  width: 100%;
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: 1.25rem 0;
}
.prose th, .prose td {
  padding: 0.5rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid var(--hair);
  white-space: nowrap;
}
.prose th {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--slate);
}
.prose hr { border: 0; border-top: 1px solid var(--hair); margin: 2.5rem 0; }
.prose img { max-width: 100%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}