:root {
  --corridor-accent: #22c7c3;
  --corridor-warning: #ffd166;
  --corridor-danger: #f97066;
  --corridor-safe: #6ee7b7;
}

.vfr-corridor-course {
  gap: 28px;
}

.vfr-corridor-course .course-hero,
.vfr-corridor-course .status-grid,
.corridor-sim-layout,
.metric-grid,
.card-grid,
.decision-grid {
  display: grid;
  gap: 22px;
}

.vfr-corridor-course .course-hero {
  grid-template-columns: 1.25fr 0.82fr;
}

.vfr-corridor-course .course-hero-copy {
  background:
    radial-gradient(circle at top right, rgba(34, 199, 195, 0.22), transparent 32%),
    linear-gradient(135deg, rgba(255, 209, 102, 0.12), transparent 48%),
    var(--panel-strong);
}

.vfr-corridor-course .status-grid,
.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vfr-corridor-course .status-value,
.metric-value {
  display: block;
  color: var(--corridor-accent);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1;
}

.vfr-corridor-course .status-value {
  font-size: 2.15rem;
}

.metric-value {
  font-size: 1.75rem;
}

.status-label,
.status-note,
.metric-label,
.range-control,
.corridor-advisory p {
  color: var(--muted);
}

.corridor-sim-shell {
  padding: 22px;
}

.corridor-sim-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.36fr);
  align-items: start;
}

.corridor-canvas-panel {
  display: grid;
  gap: 12px;
}

.corridor-canvas-stack {
  display: grid;
  gap: 12px;
}

.canvas-view {
  position: relative;
}

.canvas-view-label {
  position: absolute;
  top: 12px;
  left: 14px;
  z-index: 1;
  padding: 0.36rem 0.62rem;
  border: 1px solid rgba(244, 251, 252, 0.16);
  border-radius: 999px;
  background: rgba(6, 17, 20, 0.72);
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

#corridorCanvas,
#corridorProfileCanvas {
  display: block;
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(244, 251, 252, 0.14);
  background: #112127;
}

#corridorCanvas {
  aspect-ratio: 16 / 9;
  cursor: crosshair;
  touch-action: none;
}

#corridorProfileCanvas {
  aspect-ratio: 20 / 7;
}

.corridor-canvas-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.corridor-key {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

.corridor-key span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.corridor-key i {
  display: inline-block;
  width: 24px;
  height: 10px;
  border-radius: 999px;
}

.key-road {
  background: #dde7ed;
}

.key-aircraft {
  background: var(--corridor-accent);
}

.key-obstacle {
  background: var(--corridor-danger);
}

.key-floor {
  background: var(--corridor-warning);
}

.corridor-controls {
  display: grid;
  gap: 18px;
  align-self: start;
  min-width: 0;
}

.corridor-controls .metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.corridor-controls .metric-grid > div {
  min-width: 0;
}

.corridor-controls .metric-value {
  min-height: 2.25em;
  font-size: clamp(1.15rem, 1.4vw, 1.55rem);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.corridor-controls .metric-label {
  display: block;
  min-height: 4.5em;
  line-height: 1.35;
}

.range-control {
  display: grid;
  gap: 10px;
  font-weight: 700;
}

.range-control input {
  width: 100%;
  accent-color: var(--corridor-accent);
}

.range-control strong {
  color: var(--text);
  min-height: 1.5em;
  font-variant-numeric: tabular-nums;
}

.scenario-control {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 0 2px;
}

.scenario-control .ghost-button {
  min-height: 0;
  padding: 0.72rem 1rem;
  font-size: 0.86rem;
}

.scenario-control span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  min-height: 1.3em;
}

.heading-control {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(34, 199, 195, 0.22);
  border-radius: 16px;
  background:
    radial-gradient(circle at center, rgba(34, 199, 195, 0.12), transparent 52%),
    rgba(255, 255, 255, 0.035);
  min-height: 194px;
}

.heading-control-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-weight: 700;
}

.heading-control-topline strong {
  color: var(--text);
}

.heading-indicator-shell {
  display: grid;
  grid-template-columns: minmax(78px, 0.55fr) minmax(132px, 1fr) minmax(78px, 0.55fr);
  gap: 10px;
  align-items: center;
}

.heading-hotspot {
  min-height: 116px;
  border: 1px solid rgba(34, 199, 195, 0.32);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(34, 199, 195, 0.18), rgba(255, 255, 255, 0.035));
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 800;
  cursor: pointer;
}

.heading-hotspot:hover,
.heading-hotspot:focus-visible {
  border-color: var(--corridor-accent);
  background:
    linear-gradient(135deg, rgba(34, 199, 195, 0.32), rgba(255, 255, 255, 0.055));
}

.heading-hotspot-left {
  border-top-right-radius: 44px;
  border-bottom-right-radius: 44px;
}

.heading-hotspot-right {
  border-top-left-radius: 44px;
  border-bottom-left-radius: 44px;
}

.heading-indicator-face {
  position: relative;
  aspect-ratio: 1;
  min-width: 132px;
  border: 2px solid rgba(244, 251, 252, 0.2);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(34, 199, 195, 0.18), transparent 34%),
    repeating-conic-gradient(from 0deg, rgba(244, 251, 252, 0.2) 0deg 2deg, transparent 2deg 10deg),
    rgba(0, 0, 0, 0.28);
  box-shadow: inset 0 0 0 10px rgba(0, 0, 0, 0.18);
}

.heading-cardinal {
  position: absolute;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.86rem;
  font-weight: 900;
}

.heading-cardinal.north {
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.heading-cardinal.east {
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
}

.heading-cardinal.south {
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.heading-cardinal.west {
  top: 50%;
  left: 10px;
  transform: translateY(-50%);
}

.heading-aircraft-reference {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 42px;
  height: 42px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(34, 199, 195, 0.55);
  background: rgba(34, 199, 195, 0.12);
}

.heading-indicator-needle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 48%;
  border-radius: 999px;
  background: linear-gradient(180deg, #ffd166, var(--corridor-accent));
  transform: translate(-50%, -100%) rotate(var(--heading-rotation));
  transform-origin: 50% 100%;
  box-shadow: 0 0 12px rgba(34, 199, 195, 0.45);
}

.corridor-advisory {
  padding: 16px;
  border: 1px solid rgba(34, 199, 195, 0.24);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.18);
  min-height: 172px;
}

.corridor-advisory p {
  margin: 0;
  line-height: 1.65;
}

.corridor-crash-modal[hidden] {
  display: none;
}

.corridor-crash-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(8px);
}

.corridor-crash-modal-card {
  width: min(520px, 100%);
  padding: 28px;
  border-color: rgba(249, 112, 102, 0.48);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.45);
}

.corridor-crash-modal-card h3 {
  margin: 8px 0 12px;
  color: var(--corridor-danger);
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.corridor-clearance-modal-card {
  border-color: rgba(255, 209, 102, 0.52);
}

.corridor-clearance-modal-card h3 {
  color: var(--corridor-warning);
}

.corridor-crash-modal-card p:not(.section-label) {
  color: var(--text);
  line-height: 1.6;
}

@media (max-width: 960px) {
  .vfr-corridor-course .course-hero,
  .corridor-sim-layout,
  .vfr-corridor-course .status-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .heading-indicator-shell {
    grid-template-columns: 1fr;
  }

  .heading-hotspot {
    min-height: 54px;
    border-radius: 14px;
  }
}