/* A2RL-branded dark dashboard: near-black charcoal base, racing red #E21F27 for
   data highlights / hero, indigo #5252D4 for interactive controls, IBM Plex Sans. */
:root {
  --bg: #0a0b10;
  --panel: #14161f;
  --panel-top: #191c26;      /* card gradient top */
  --panel-bottom: #12141c;   /* card gradient bottom */
  --panel-2: #1c2030;        /* raised / hover */
  --border: #262a37;
  --text: #eef0f6;
  --muted: #8b909e;
  --accent: #5252d4;      /* A2RL indigo — primary interactive (buttons / active) */
  --accent-2: #7a8cf4;    /* A2RL periwinkle — links */
  --green: #22c55e;
  --yellow: #eab308;
  --red: #e21f27;         /* A2RL racing red — data highlights, hero, alerts */
  --red-soft: #ff5a60;
  --mono: "Consolas", "SF Mono", "Cascadia Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 16px 0;
}

.brand {
  padding: 0 16px 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.brand-logo-img { max-height: 36px; max-width: 100%; display: block; }
.brand-wordmark {
  display: inline-block;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 2px;
  color: #fff;
  border-bottom: 3px solid var(--red);
  padding-bottom: 2px;
}
.brand-app {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

.nav-section {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 14px 16px 4px;
}

.navigator { padding: 4px 16px 8px; display: flex; flex-direction: column; gap: 6px; }
.navigator select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12px;
}
.navigator .btn { align-self: flex-start; margin-top: 2px; }

.nav-user {
  margin: 14px 16px 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-user-name strong { color: var(--text); }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { width: 100%; max-width: 360px; text-align: left; }

nav a {
  display: block;
  padding: 8px 16px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
}
nav a:hover { background: var(--panel-2); }
nav a.active { border-left-color: var(--accent); background: var(--panel-2); color: var(--accent); }

.content { flex: 1; min-width: 0; }

.topbar {
  padding: 22px 28px;
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 24px; font-weight: 800; letter-spacing: -0.02em; }
.topbar .sub { color: var(--muted); font-size: 13px; margin-top: 4px; }

.page { padding: 24px 28px 60px; max-width: 1400px; }

.panel {
  background: linear-gradient(180deg, var(--panel-top), var(--panel-bottom));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.35);
}
/* Section titles render in the brand red, like the reference dashboard. */
.panel h2 { margin: 0 0 14px; font-size: 15px; font-weight: 700; color: var(--red); letter-spacing: 0; text-transform: none; }

/* Featured "hero" card: red-tinted gradient + red border. */
.panel.hero {
  border-color: rgba(226,31,39,0.55);
  background: linear-gradient(180deg, rgba(226,31,39,0.16), rgba(226,31,39,0.03));
  box-shadow: 0 8px 34px rgba(226,31,39,0.10);
}
.panel.hero h2 { color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: 0.09em; margin-bottom: 8px; }
.hero-title { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 2px; }
.hero-metric { font-size: 34px; font-weight: 800; color: var(--red); margin: 0 0 18px; }
.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 18px; }
.hero-stats .label { color: var(--muted); font-size: 12px; }
.hero-stats .value { font-size: 20px; font-weight: 700; margin-top: 2px; }

/* Stat tiles (label / big value / sublabel) — the reference's KPI cards. */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat {
  background: linear-gradient(180deg, var(--panel-top), var(--panel-bottom));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.35);
}
.stat .label { color: var(--muted); font-size: 12px; font-weight: 600; }
.stat .value { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; margin-top: 6px; line-height: 1.05; }
.stat.accent-red .value { color: var(--red); }
.stat .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Entity cards (e.g. one per car) — same tile shell, richer content, clickable. */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-bottom: 20px; }
.card {
  display: block;
  background: linear-gradient(180deg, var(--panel-top), var(--panel-bottom));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.35);
  color: var(--text);
  text-decoration: none;
}
a.card:hover { border-color: var(--accent); }
.card .card-title { font-size: 18px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.card .card-meta { color: var(--muted); font-size: 12px; margin-top: 4px; }
.card .card-row { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; gap: 10px; }
.card .card-row .k { color: var(--muted); font-size: 12px; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }
.mono { font-family: var(--mono); }

a.link { color: var(--accent-2); text-decoration: none; }
a.link:hover { text-decoration: underline; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { opacity: 0.9; }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--red); }
.btn.small { padding: 4px 10px; font-size: 12px; }

form.inline { display: inline; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 9px;
  border-radius: 6px;
  font-size: 13px;
}
.field textarea { resize: vertical; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge.green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge.yellow { background: rgba(234,179,8,0.15); color: var(--yellow); }
.badge.red { background: rgba(226,31,39,0.18); color: #ff6b70; }
.badge.muted { background: rgba(139,152,171,0.15); color: var(--muted); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tabs a {
  padding: 10px 16px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 2px solid transparent;
}
.tabs a.active { color: var(--text); border-bottom-color: var(--accent); }

.car-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}
.car-swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

.flag-banner {
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 16px;
  font-size: 13px;
}
.flag-banner.green { background: rgba(34,197,94,0.15); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }
.flag-banner.yellow { background: rgba(234,179,8,0.15); color: var(--yellow); border: 1px solid rgba(234,179,8,0.3); }
.flag-banner.fcy, .flag-banner.vsc, .flag-banner.safety_car { background: rgba(234,179,8,0.15); color: var(--yellow); border: 1px solid rgba(234,179,8,0.3); }
.flag-banner.red { background: rgba(226,31,39,0.18); color: #ff6b70; border: 1px solid rgba(226,31,39,0.4); }

.clock {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
}

.empty { color: var(--muted); font-size: 13px; padding: 14px 0; }

.stint-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.stint-bar-track { flex: 1; height: 22px; background: var(--panel-2); border-radius: 4px; display: flex; overflow: hidden; }
.stint-bar-seg { height: 100%; display: flex; align-items: center; justify-content: center; font-size: 10px; color: rgba(0,0,0,0.6); }