:root {
  color-scheme: dark;
  --panel: rgba(16, 20, 25, 0.9);
  --panel-strong: rgba(12, 15, 19, 0.95);
  --line: rgba(255, 255, 255, 0.14);
  --text: #f6f8fb;
  --muted: #aab5c3;
  --accent: #30c8a2;
  --accent-strong: #69ddb7;
  --warning: #ffcf56;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body,
.app-shell,
.map-stage,
#map {
  width: 100%;
  height: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  background: #101419;
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

button,
input,
select {
  font: inherit;
}

.map-stage {
  position: relative;
}

#map {
  position: absolute;
  inset: 0;
  background: #17212a;
}

.leaflet-container {
  font-family: inherit;
  background: #17212a;
}

.leaflet-base-pane {
  transition: filter 180ms ease;
}

.leaflet-radar-pane {
  mix-blend-mode: normal;
  transition: filter 140ms ease;
}

.leaflet-control-attribution {
  background: rgba(255, 255, 255, 0.82);
  color: #17212a;
}

.topbar {
  position: absolute;
  z-index: 500;
  top: max(20px, env(safe-area-inset-top));
  left: max(20px, env(safe-area-inset-left));
  right: max(20px, env(safe-area-inset-right));
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(220px, 420px);
  gap: 14px;
  align-items: center;
  pointer-events: none;
}

.brand,
.search-form,
.control-panel,
.legend {
  pointer-events: auto;
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.brand {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--panel);
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #ffffff 0 6%, transparent 7%),
    conic-gradient(from 120deg, #30c8a2, #e8f062, #ff6f48, #6d8cff, #30c8a2);
  box-shadow: inset 0 0 0 5px rgba(16, 20, 25, 0.75);
}

.brand h1 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  gap: 8px;
  padding: 8px;
  border-radius: 8px;
  background: var(--panel);
}

.search-form input,
.field select,
.field input[type="range"] {
  width: 100%;
  min-width: 0;
}

.search-form input,
.field select {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  outline: none;
}

.search-form input {
  min-height: 42px;
  padding: 0 12px;
}

.search-form input:focus,
.field select:focus,
.field input:focus-visible,
button:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(48, 200, 162, 0.22);
}

button {
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.15);
}

.search-form button {
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #07110e;
  font-size: 0.9rem;
  font-weight: 800;
}

.control-panel {
  position: absolute;
  z-index: 500;
  left: max(20px, env(safe-area-inset-left));
  bottom: max(24px, env(safe-area-inset-bottom));
  display: grid;
  gap: 12px;
  width: min(360px, calc(100vw - 40px));
  max-height: calc(100vh - 150px);
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
  background: var(--panel-strong);
  scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
}

.control-row {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 10px;
}

.control-row button:first-child {
  background: rgba(48, 200, 162, 0.18);
  border-color: rgba(105, 221, 183, 0.42);
}

.field {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
}

.field select {
  min-height: 40px;
  padding: 0 10px;
}

.field input[type="range"] {
  accent-color: var(--accent);
}

.is-hidden {
  display: none;
}

.warning-settings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px 12px;
  margin: 0;
  padding: 11px 12px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.warning-settings legend {
  padding: 0 5px;
  color: var(--muted);
  font-size: 0.78rem;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-size: 0.9rem;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--warning);
}

.switch-toggle {
  justify-content: space-between;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.switch-toggle input {
  position: relative;
  width: 42px;
  height: 24px;
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease;
}

.switch-toggle input::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  content: "";
  border-radius: 50%;
  background: #f6f8fb;
  transition: transform 140ms ease;
}

.switch-toggle input:checked {
  border-color: rgba(105, 221, 183, 0.55);
  background: rgba(48, 200, 162, 0.58);
}

.switch-toggle input:checked::after {
  transform: translateX(18px);
}

.status-card {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.status-card span {
  color: var(--muted);
  font-size: 0.78rem;
}

.status-card strong {
  font-size: 0.92rem;
}

.status-card small {
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.35;
}

.legend {
  position: absolute;
  z-index: 500;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(24px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: auto minmax(120px, 190px) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.78rem;
}

.legend-scale {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #66c2ff, #3bd16f, #f7e64c, #ff9933, #e84f4f, #d64fe8);
}

.track-arrow {
  position: relative;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 18px solid #ffcf56;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.55));
  transform-origin: 50% 50%;
}

.track-speed-label {
  min-width: 54px;
  padding: 4px 7px;
  border: 1px solid rgba(255, 207, 86, 0.65);
  border-radius: 6px;
  background: rgba(16, 20, 25, 0.9);
  color: #ffdf7e;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 760px) {
  .topbar {
    grid-template-columns: 1fr;
    gap: 10px;
    top: max(12px, env(safe-area-inset-top));
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
  }

  .brand {
    width: 100%;
  }

  .control-panel {
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    bottom: max(76px, calc(env(safe-area-inset-bottom) + 64px));
    width: auto;
    max-height: 45vh;
  }

  .legend {
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    bottom: max(12px, env(safe-area-inset-bottom));
    grid-template-columns: auto 1fr auto;
  }

  .warning-settings {
    grid-template-columns: 1fr;
  }
}