:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2f3a;
  --text: #e6e8eb;
  --muted: #9aa3af;
  --accent: #4f8cff;
  --ok: #3ecf6d;
  --bad: #ff5c5c;
  --warn: #ffb347;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

header .brand { font-weight: bold; color: var(--text); text-decoration: none; }
header nav a { color: var(--muted); text-decoration: none; margin-right: 1rem; }
header nav a:hover { color: var(--text); }
.live-indicator { margin-left: auto; font-size: 0.9rem; color: var(--muted); }

main { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }

.page-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; margin-bottom: 1rem;
}
.page-header h1 { margin: 0; }
.page-header form { margin: 0; }
.page-header-actions { display: flex; align-items: center; gap: 0.75rem; }

table.rides { width: 100%; border-collapse: collapse; }
table.rides th, table.rides td {
  text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border);
}
table.rides tr.suspect { background: rgba(255, 92, 92, 0.08); }
table.rides form { margin: 0; }

.badge {
  display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px;
  font-size: 0.8rem;
}
.badge-ok { background: rgba(62, 207, 109, 0.15); color: var(--ok); }
.badge-bad { background: rgba(255, 92, 92, 0.15); color: var(--bad); }
.badge-warn { background: rgba(255, 179, 71, 0.2); color: var(--warn); }

.banner { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.banner-warn { background: rgba(255, 179, 71, 0.12); border: 1px solid var(--warn); }
.banner-ok { background: rgba(62, 207, 109, 0.12); border: 1px solid var(--ok); }

dl.ride-meta { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; }
dl.ride-meta dt { color: var(--muted); }

.button, button {
  background: var(--accent); color: white; border: none; border-radius: 6px;
  padding: 0.5rem 1rem; cursor: pointer; text-decoration: none; display: inline-block;
  font-size: 0.95rem;
}
.button-danger { background: var(--bad); }
.button-small { padding: 0.25rem 0.6rem; font-size: 0.85rem; }
.exports { display: flex; gap: 0.75rem; }

fieldset { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 1rem; }
legend { padding: 0 0.5rem; color: var(--muted); }
label { display: block; margin-bottom: 0.5rem; }
input, select { background: #0c0e12; color: var(--text); border: 1px solid var(--border); border-radius: 4px; padding: 0.35rem; }

.sensor-row { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; align-items: center; }
.invert-toggle { display: flex; align-items: center; gap: 0.3rem; white-space: nowrap; margin-bottom: 0; }
.invert-toggle input[type="checkbox"] { width: auto; }
#add-sensor { margin-top: 0.5rem; background: transparent; border: 1px dashed var(--border); color: var(--muted); }

canvas#waveform, canvas#live-canvas { width: 100%; background: #0c0e12; border: 1px solid var(--border); border-radius: 8px; }
.live-controls { margin-bottom: 0.75rem; }
.live-controls label { display: inline-block; margin-bottom: 0; }
.hint { color: var(--muted); font-size: 0.85rem; }