/* Boston Marathon BQ Cutoff Predictor - styles. System fonts only, no tracking. */
:root {
  --bg: #0f1720;
  --panel: #16212e;
  --panel-2: #1d2a39;
  --ink: #eef3f8;
  --muted: #9fb0c3;
  --line: #2a3a4d;
  --accent: #1f7a4d;     /* Boston green */
  --accent-2: #2fae6e;
  --gold: #e0b03b;
  --safe: #2fae6e;
  --bubble: #e0b03b;
  --unlikely: #e07a4b;
  --out: #c75353;
  --radius: 14px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: linear-gradient(180deg, #0c131b 0%, var(--bg) 40%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}

.wrap { width: 100%; max-width: 820px; margin: 0 auto; padding: 0 18px; }

.site-header { border-bottom: 1px solid var(--line); background: rgba(12, 19, 27, 0.6); }
.site-header .wrap { display: flex; align-items: baseline; gap: 12px; padding-top: 16px; padding-bottom: 16px; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; font-size: 1.1rem; }
.tag { color: var(--muted); font-size: 0.85rem; }

.hero { padding: 34px 0 8px; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 12px; }
.lead { color: var(--muted); font-size: 1.06rem; margin: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin: 22px 0 30px;
}

form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
label { font-size: 0.92rem; color: var(--muted); font-weight: 600; }

input, select {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 10px;
  padding: 12px 12px;
  font-size: 1.05rem;
  width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent-2); outline-offset: 1px; }

.time-inputs { display: flex; align-items: center; gap: 8px; }
.time-inputs input { text-align: center; }
.time-inputs span { color: var(--muted); font-size: 1.2rem; }

.go {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 1.08rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}
.go:hover { background: var(--accent-2); }

.result { margin-top: 22px; border-top: 1px solid var(--line); padding-top: 20px; }

.verdict { margin-bottom: 16px; }
.verdict-tag {
  display: inline-block;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.verdict.safe .verdict-tag { background: rgba(47, 174, 110, 0.15); color: var(--safe); border-color: var(--safe); }
.verdict.bubble .verdict-tag { background: rgba(224, 176, 59, 0.15); color: var(--bubble); border-color: var(--bubble); }
.verdict.unlikely .verdict-tag { background: rgba(224, 122, 75, 0.15); color: var(--unlikely); border-color: var(--unlikely); }
.verdict.out .verdict-tag { background: rgba(199, 83, 83, 0.15); color: var(--out); border-color: var(--out); }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 6px 0 14px; }
.stat { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }
.stat-sub { color: var(--muted); font-size: 0.78rem; margin-top: 4px; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.error { color: var(--unlikely); font-weight: 600; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.history { width: 100%; border-collapse: collapse; margin: 6px 0 4px; font-size: 0.95rem; }
table.history th, table.history td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.history th { color: var(--muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }
td.in { color: var(--safe); font-weight: 700; }
td.outcell { color: var(--out); font-weight: 700; }

.content { padding-bottom: 40px; }
.content h2 { font-size: 1.35rem; margin: 34px 0 10px; }
.content h3 { font-size: 1.05rem; margin: 18px 0 4px; }
.content p { color: #d6e0ec; }
.faq h3 { color: var(--ink); }

.site-footer { border-top: 1px solid var(--line); background: rgba(12, 19, 27, 0.6); }
.site-footer .wrap { padding: 22px 18px; }
.site-footer p { color: var(--muted); font-size: 0.85rem; margin: 0; }

@media (min-width: 620px) {
  h1 { font-size: 2.3rem; }
  form { grid-template-columns: 1fr 1fr; align-items: end; }
  .field.time { grid-column: 1 / -1; }
  .go { grid-column: 1 / -1; }
  .stats { grid-template-columns: repeat(4, 1fr); }
}

/* --- navigation --- */
.site-header .wrap { justify-content: space-between; }
.nav { display: flex; gap: 16px; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; font-weight: 600; }
.nav a:hover { color: var(--ink); }

/* --- internal link lists --- */
.guide-links { list-style: none; padding: 0; display: grid; gap: 8px; }
.guide-links a { color: var(--accent-2); }
.content a, .post a, .lead a { color: var(--accent-2); }

/* --- blog index --- */
.crumbs { color: var(--muted); font-size: 0.85rem; margin: 18px 0 6px; }
.crumbs a { color: var(--muted); }
.post-list { list-style: none; padding: 0; display: grid; gap: 12px; margin: 18px 0 40px; }
.post-card a {
  display: grid; gap: 4px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px;
}
.post-card a:hover { border-color: var(--accent-2); }
.pc-date { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.pc-title { color: var(--ink); font-weight: 700; font-size: 1.08rem; }
.pc-desc { color: var(--muted); font-size: 0.92rem; }

/* --- article --- */
.post { padding-bottom: 24px; }
.post h1 { margin: 6px 0 6px; }
.post-meta { color: var(--muted); font-size: 0.85rem; margin: 0 0 18px; }
.post h2 { font-size: 1.3rem; margin: 26px 0 8px; }
.post p, .post li { color: #d6e0ec; }
.post ul { padding-left: 20px; }
.post strong { color: var(--ink); }
.cta {
  background: var(--panel); border: 1px solid var(--accent); border-radius: 12px;
  padding: 18px; margin: 28px 0;
}
.cta h2 { margin: 0 0 6px; font-size: 1.15rem; }
.cta .go { display: inline-block; text-decoration: none; margin-top: 8px; }
.related { margin: 28px 0 8px; }
.related h2 { font-size: 1.15rem; }
.related ul { padding-left: 20px; }
.related a { color: var(--accent-2); }