/* TrackSpeed — dark instrument-cluster styling. */

:root {
  --bg: #070a0f;
  --bg-2: #0d1219;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-line: rgba(255, 255, 255, 0.09);
  --ink: #eef4ff;
  --ink-dim: #93a4bd;
  --ink-faint: #64748b;
  --accent: #22d3ee;
  --accent-2: #38bdf8;
  --warn: #ffb020;
  --danger: #ff5a52;
  --ok: #34d399;
  --radius: 16px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

body {
  min-height: 100svh;
  background:
    radial-gradient(1100px 600px at 50% -10%, #16202e 0%, transparent 60%),
    radial-gradient(700px 500px at 90% 100%, #101a26 0%, transparent 65%),
    var(--bg);
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 16px
    calc(24px + env(safe-area-inset-bottom));
}

/* ---------- header ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 2px 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 16px;
}

.brand .mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  border-right-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.45);
}

.spacer { flex: 1; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  color: var(--ink-dim);
  white-space: nowrap;
}

.pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
  flex: none;
}

.pill[data-state="live"] { color: var(--ok); border-color: rgba(52, 211, 153, 0.3); }
.pill[data-state="live"] .dot { background: var(--ok); box-shadow: 0 0 8px var(--ok); animation: blip 1.6s infinite; }
.pill[data-state="locating"] { color: var(--warn); border-color: rgba(255, 176, 32, 0.3); }
.pill[data-state="locating"] .dot { background: var(--warn); animation: blip 0.9s infinite; }
.pill[data-state="degraded"] { color: var(--warn); }
.pill[data-state="degraded"] .dot { background: var(--warn); }
.pill[data-state="error"] { color: var(--danger); border-color: rgba(255, 90, 82, 0.35); }
.pill[data-state="error"] .dot { background: var(--danger); }

@keyframes blip {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.unit-toggle {
  display: inline-flex;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 999px;
  padding: 2px;
}

.unit-toggle button {
  border: 0;
  background: transparent;
  color: var(--ink-faint);
  font: 600 11.5px/1 var(--font);
  padding: 6px 11px;
  border-radius: 999px;
  cursor: pointer;
}

.unit-toggle button[aria-pressed="true"] {
  background: rgba(34, 211, 238, 0.16);
  color: var(--accent);
}

/* ---------- dial ---------- */

.dial-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 0.94;
  max-height: 46svh;
  margin: 0 auto;
  touch-action: pan-y;
}

#dial {
  width: 100%;
  height: 100%;
  display: block;
}

/* The readout sits in the dial's bottom dead zone. The needle sweeps
   225deg -> -45deg, so it can never point straight down: that wedge is the
   one place a number will never be crossed by the pointer. */
.readout {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 13%;
  pointer-events: none;
}

.readout .value {
  font: 700 clamp(38px, 13vw, 64px) / 0.95 var(--font);
  letter-spacing: -0.045em;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 34px rgba(7, 10, 15, 0.95), 0 0 40px rgba(34, 211, 238, 0.3);
}

.readout .unit-label {
  margin-top: 5px;
  font: 600 11px/1 var(--font);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-shadow: 0 0 12px rgba(7, 10, 15, 0.9);
}

.readout .value.hot { color: #ffd9d6; text-shadow: 0 0 42px rgba(255, 90, 82, 0.5); }

.readout .decimals {
  font-size: 0.42em;
  color: var(--ink-dim);
  letter-spacing: -0.02em;
}

.source-note {
  text-align: center;
  margin: 2px 0 10px;
  font: 600 10px/1 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.source-note[data-src="doppler"] { color: var(--ok); }
.source-note[data-src="derived"] { color: var(--warn); }

/* ---------- sparkline ---------- */

.spark {
  width: 100%;
  height: 58px;
  display: block;
  margin: 2px 0 14px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
  border: 1px solid var(--panel-line);
}

/* ---------- stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  padding: 11px 12px 12px;
  min-width: 0;
}

.stat .label {
  font: 600 10px/1 var(--font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 7px;
}

.stat .num {
  font: 700 19px/1.05 var(--font);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat .num small {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-faint);
  margin-left: 2px;
}

/* ---------- controls ---------- */

.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

button.btn {
  flex: 1;
  border: 0;
  border-radius: 14px;
  padding: 15px 14px;
  font: 700 15px/1 var(--font);
  letter-spacing: -0.01em;
  cursor: pointer;
  color: #04121a;
  background: linear-gradient(180deg, #3ee0f2, #16b9d4);
  box-shadow: 0 10px 26px -12px rgba(34, 211, 238, 0.85);
  transition: transform 0.12s ease, filter 0.15s ease;
}

button.btn:active { transform: scale(0.98); }
button.btn:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }

button.btn.ghost {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  color: var(--ink);
  box-shadow: none;
}

button.btn.danger {
  background: linear-gradient(180deg, #ff6a62, #e0342b);
  color: #fff;
  box-shadow: 0 10px 26px -12px rgba(255, 90, 82, 0.8);
}

/* ---------- panels ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius);
  padding: 15px;
  margin-bottom: 14px;
}

.panel h2 {
  margin: 0 0 12px;
  font: 700 13px/1 var(--font);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel h2 .count {
  font-weight: 600;
  color: var(--ink-faint);
  font-size: 11px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 14px;
  margin-bottom: 14px;
}

.summary-grid div { min-width: 0; }
.summary-grid .k {
  font: 600 10px/1 var(--font);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 5px;
}
.summary-grid .v {
  font: 700 17px/1 var(--font);
  font-variant-numeric: tabular-nums;
}

.dl-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

button.chip {
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.1);
  color: var(--accent);
  border-radius: 11px;
  padding: 10px 14px;
  font: 700 12.5px/1 var(--font);
  cursor: pointer;
  flex: 1 1 auto;
}

button.chip:active { transform: scale(0.98); }
button.chip.plain {
  border-color: var(--panel-line);
  background: transparent;
  color: var(--ink-dim);
  flex: 0 0 auto;
}

/* ---------- history ---------- */

.trip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--panel-line);
}

.trip:first-of-type { border-top: 0; }

.trip .meta { flex: 1; min-width: 0; }
.trip .meta .when {
  font: 600 13px/1.3 var(--font);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.trip .meta .facts {
  font: 500 11.5px/1.4 var(--font);
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}

.trip .acts { display: flex; gap: 6px; flex: none; }

.icon-btn {
  border: 1px solid var(--panel-line);
  background: transparent;
  color: var(--ink-dim);
  border-radius: 9px;
  width: 34px;
  height: 34px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.icon-btn:active { transform: scale(0.95); }
.icon-btn.del { color: var(--danger); }

.empty {
  color: var(--ink-faint);
  font: 500 12.5px/1.5 var(--font);
  text-align: center;
  padding: 8px 0 2px;
}

/* ---------- notices ---------- */

.notice {
  border-radius: 12px;
  padding: 11px 13px;
  font: 500 12.5px/1.45 var(--font);
  margin-bottom: 12px;
  border: 1px solid;
}
.notice.warn { background: rgba(255, 176, 32, 0.09); border-color: rgba(255, 176, 32, 0.3); color: #ffd79a; }
.notice.err { background: rgba(255, 90, 82, 0.1); border-color: rgba(255, 90, 82, 0.32); color: #ffc2be; }
.notice.info { background: rgba(34, 211, 238, 0.08); border-color: rgba(34, 211, 238, 0.25); color: #a9ecf7; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  transform: translate(-50%, 20px);
  background: #eef4ff;
  color: #08121c;
  font: 700 12.5px/1 var(--font);
  padding: 12px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
  z-index: 50;
  box-shadow: 0 14px 34px -12px rgba(0, 0, 0, 0.8);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

footer.foot {
  color: var(--ink-faint);
  font: 500 11px/1.6 var(--font);
  text-align: center;
  padding: 6px 4px 0;
}

[hidden] { display: none !important; }

@media (max-width: 360px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .pill .dot { animation: none !important; }
}

.icon-btn.wide {
  width: auto;
  padding: 0 9px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

/* ---------- location gate ---------- */

.gate { margin-bottom: 14px; }

.gate-card {
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.1), rgba(34, 211, 238, 0.04));
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: var(--radius);
  padding: 18px;
}

/* While permission is missing there is nothing behind this worth seeing, so
   the card takes the whole screen and reads as the app asking for access. */
.gate.blocking {
  position: fixed;
  inset: 0;
  z-index: 100;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(5, 8, 12, 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.gate.blocking .gate-card {
  max-width: 380px;
  width: 100%;
  padding: 26px 22px;
  text-align: center;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9);
}

.gate .gate-icon { display: none; }

.gate.blocking .gate-icon {
  display: block;
  width: 54px;
  height: 54px;
  margin: 2px auto 16px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  border-top-color: transparent;
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.5);
  animation: sweep 2.4s linear infinite;
}

@keyframes sweep {
  to { transform: rotate(360deg); }
}

.gate h2 {
  margin: 0 0 8px;
  font: 700 17px/1.25 var(--font);
  letter-spacing: -0.02em;
}

.gate p {
  margin: 0 0 15px;
  font: 500 13.5px/1.55 var(--font);
  color: var(--ink-dim);
}

.gate p strong { color: var(--ink); font-weight: 600; }
.gate .btn { width: 100%; }

.gate .gate-fine {
  display: none;
  margin: 13px 0 0;
  font-size: 11.5px;
  color: var(--ink-faint);
}

.gate.blocking .gate-fine { display: block; }

@media (prefers-reduced-motion: reduce) {
  .gate.blocking .gate-icon { animation: none; }
}

/* An armed but not-yet-recording Start button reads as busy, not broken. */
button.btn:disabled#startBtn {
  opacity: 0.75;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  color: var(--ink-dim);
}