:root {
  --bg: #141910;
  --card: #243022;
  --line: #3a4a34;
  --text: #f3efe4;
  --muted: #c4bba6;
  --gold: #d4a84b;
  --danger: #c45c4a;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
a { color: var(--gold); }
.app {
  width: min(520px, 100%);
  margin: 0 auto;
  min-height: 100vh;
  padding: 1rem 1rem 6.5rem;
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.top h1 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}
.byline { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.85rem; }
.offline-pill {
  margin: 0;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
.tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.35rem;
  margin-bottom: 1.1rem;
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(20, 25, 16, 0.94);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0;
}
.tab {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.7rem 0.2rem;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
}
.tab.active {
  background: var(--gold);
  color: #141910;
  border-color: var(--gold);
}
.screen { display: none; }
.screen.active { display: block; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.stats { display: grid; gap: 0.75rem; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.stat.accent { border-color: var(--gold); }
.stat.muted { opacity: 0.95; }
.stat-label { margin: 0; color: var(--muted); font-size: 0.85rem; font-weight: 700; }
.stat-value { margin: 0.35rem 0 0; font-size: 1.8rem; font-weight: 750; letter-spacing: -0.02em; }
.stat-note { margin: 0.45rem 0 0; color: var(--muted); font-size: 0.82rem; }
.form, .export-lead { display: grid; gap: 0.85rem; }
.form label, .miles-box {
  display: grid; gap: 0.35rem;
  font-weight: 700; font-size: 0.92rem;
}
.form input, .form select, .form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #1a2116;
  color: var(--text);
  padding: 0.9rem 0.95rem;
  font: inherit;
  font-size: 1.05rem;
}
.miles-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem;
  background: #1a2116;
}
.miles-box legend { padding: 0 0.25rem; color: var(--muted); }
.radio-row {
  display: flex !important;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
}
.odo-grid { display: grid; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 3rem; border-radius: 999px; padding: 0.85rem 1.2rem;
  font: inherit; font-weight: 750; border: 2px solid transparent; cursor: pointer;
  width: 100%;
}
.btn-primary { background: var(--gold); color: #141910; border-color: var(--gold); }
.btn-secondary {
  background: transparent; color: var(--gold); border-color: var(--gold); margin-top: 0.65rem;
}
.btn-danger {
  background: transparent; color: var(--danger); border: 1px solid var(--danger);
  min-height: 2.4rem; padding: 0.45rem 0.8rem; width: auto; font-size: 0.85rem;
}
.log-block { margin-bottom: 1.4rem; }
.log-block h3 { margin: 0 0 0.6rem; font-size: 1.05rem; }
.log-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.65rem; }
.log-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.9rem 1rem; display: grid; gap: 0.45rem;
}
.log-item header { display: flex; justify-content: space-between; gap: 0.75rem; align-items: start; }
.log-item strong { font-size: 1rem; }
.log-meta { color: var(--muted); font-size: 0.88rem; }
.badge {
  display: inline-block; margin-left: 0.35rem; padding: 0.1rem 0.45rem;
  border-radius: 999px; background: var(--gold); color: #141910;
  font-size: 0.7rem; font-weight: 800; vertical-align: middle;
}
.empty { color: var(--muted); padding: 0.75rem 0; }
.legal {
  position: fixed; left: 0; right: 0; bottom: 0;
  margin: 0 auto; width: min(520px, 100%);
  background: #0f140d; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.75rem; line-height: 1.4;
  padding: 0.7rem 1rem calc(0.7rem + env(safe-area-inset-bottom));
}
@media (min-width: 720px) {
  .app { width: min(720px, 100%); padding-bottom: 5.5rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .tabs { gap: 0.5rem; }
  .tab { font-size: 0.85rem; padding: 0.8rem 0.4rem; }
  .legal { width: min(720px, 100%); }
}