:root {
  --navy: #0b1f3a;
  --navy-2: #112d52;
  --surface: #ffffff;
  --surface-2: #f2f5f9;
  --ink: #14213a;
  --ink-soft: #5b6b85;
  --line: #dfe6ef;
  --plus: #1a8f4c;
  --minus: #c41e3a;
  --neutral: #7a8699;
  --amber: #b8860b;
  --accent: #1d6ff2;
  --radius: 16px;
  --tabbar-h: 60px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
  background: var(--surface-2);
  color: var(--ink);
  padding-bottom: calc(var(--tabbar-h) + var(--safe-b));
  line-height: 1.4;
}

/* Header */
.app-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 16px;
  padding-top: calc(14px + env(safe-area-inset-top, 0px));
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-icon { border-radius: 7px; flex: none; }
.app-header h1 { font-size: 1.05rem; font-weight: 700; letter-spacing: .2px; }
.subtitle { font-size: .72rem; opacity: .8; margin-top: 1px; }
.refresh {
  flex: none; width: 40px; height: 40px; border: none; border-radius: 50%;
  background: rgba(255,255,255,.14); color: #fff; font-size: 1.3rem;
  cursor: pointer; transition: transform .3s, background .2s;
}
.refresh:active { background: rgba(255,255,255,.28); }
.refresh.spin { animation: spin .8s linear; }
@keyframes spin { to { transform: rotate(360deg); } }

.offline-banner {
  background: var(--amber); color: #fff; text-align: center;
  font-size: .8rem; padding: 7px 12px; font-weight: 600;
}

main { max-width: 640px; margin: 0 auto; padding: 14px 12px 24px; }
.status { font-size: .85rem; color: var(--ink-soft); padding: 10px 4px; }
.status.error { color: var(--minus); font-weight: 600; }

/* Pick cards */
.cards { display: flex; flex-direction: column; gap: 12px; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px;
  box-shadow: 0 1px 3px rgba(16,32,64,.06);
  animation: rise .3s ease both;
}
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.card-top { display: flex; align-items: baseline; gap: 10px; }
.rank {
  flex: none; width: 30px; height: 30px; border-radius: 9px;
  background: var(--navy); color: #fff; font-weight: 700;
  display: grid; place-items: center; font-size: .95rem;
}
.who { flex: 1; min-width: 0; }
.batter { font-size: 1.08rem; font-weight: 700; }
.matchup { font-size: .82rem; color: var(--ink-soft); margin-top: 1px; }

.probs { display: flex; gap: 8px; margin: 12px 0 10px; }
.prob {
  flex: 1; text-align: center; padding: 8px 4px; border-radius: 11px;
  background: var(--surface-2);
}
.prob .lbl { font-size: .62rem; text-transform: uppercase; letter-spacing: .5px; color: var(--ink-soft); }
.prob .val { font-size: 1.25rem; font-weight: 800; margin-top: 2px; }
.prob.model .val { color: var(--accent); }
.prob .edge { font-size: .62rem; margin-top: 1px; }
.edge.up { color: var(--plus); } .edge.down { color: var(--minus); }

.drivers { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.chip {
  font-size: .72rem; background: #eef3fb; color: #274b7a;
  border-radius: 999px; padding: 4px 9px; font-weight: 600;
}
.chip b { font-weight: 800; }

.meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.badge {
  font-size: .7rem; font-weight: 700; border-radius: 8px; padding: 4px 8px;
  display: inline-flex; align-items: center; gap: 4px;
}
.badge.net-PLUS { background: #e3f5ea; color: var(--plus); }
.badge.net-MINUS { background: #fbe6ea; color: var(--minus); }
.badge.net-NEUTRAL { background: #eef1f5; color: var(--neutral); }
.badge.confirmed { background: #e3f5ea; color: var(--plus); }
.badge.projected { background: #fbf1dd; color: var(--amber); }
.env-note { font-size: .74rem; color: var(--ink-soft); flex-basis: 100%; }

.disclaimer {
  margin-top: 16px; font-size: .72rem; color: var(--ink-soft);
  text-align: center; padding: 0 8px; font-style: italic;
}

/* Calibration tab */
.panel {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
}
.panel h2 { font-size: .95rem; margin-bottom: 4px; }
.panel .sub { font-size: .74rem; color: var(--ink-soft); margin-bottom: 12px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.metric { text-align: center; background: var(--surface-2); border-radius: 11px; padding: 10px 4px; }
.metric .val { font-size: 1.3rem; font-weight: 800; }
.metric .lbl { font-size: .64rem; text-transform: uppercase; letter-spacing: .4px; color: var(--ink-soft); margin-top: 2px; }

.cal-table { width: 100%; border-collapse: collapse; margin-top: 6px; font-size: .8rem; }
.cal-table th { text-align: left; color: var(--ink-soft); font-weight: 600; font-size: .68rem;
  text-transform: uppercase; letter-spacing: .4px; padding: 6px 4px; border-bottom: 1px solid var(--line); }
.cal-table td { padding: 8px 4px; border-bottom: 1px solid var(--surface-2); }
.bar { height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; margin-top: 3px; }
.bar > span { display: block; height: 100%; background: var(--accent); }

.grade-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.grade-item { display: flex; align-items: center; gap: 10px; font-size: .86rem; padding: 8px 10px;
  background: var(--surface-2); border-radius: 10px; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot.hit { background: var(--plus); } .dot.miss { background: var(--neutral); }
.grade-item .p { margin-left: auto; font-weight: 700; color: var(--ink-soft); }

.empty { text-align: center; color: var(--ink-soft); padding: 30px 16px; }
.empty .big { font-size: 2rem; margin-bottom: 8px; }

/* Bottom tab bar (Android-style) */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 20;
  height: calc(var(--tabbar-h) + var(--safe-b));
  padding-bottom: var(--safe-b);
  display: flex; background: var(--surface);
  border-top: 1px solid var(--line);
}
.tab {
  flex: 1; border: none; background: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; font-size: .68rem; color: var(--ink-soft); font-weight: 600;
}
.tab .tab-ico { font-size: 1.25rem; filter: grayscale(1); opacity: .6; }
.tab.active { color: var(--accent); }
.tab.active .tab-ico { filter: none; opacity: 1; }

@media (min-width: 560px) {
  .metrics { gap: 14px; }
}