:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  width: min(100% - 2rem, 42rem);
  margin: 0 auto;
  padding: 4rem 0;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
}

.lead {
  margin-bottom: 2rem;
}

.status-card {
  padding: 1.5rem;
  border: 1px solid currentColor;
  border-radius: 1rem;
}

.status-card + .status-card {
  margin-top: 1.5rem;
}

.status-card h2 {
  font-size: 1.1rem;
}

.permission-row,
.result-grid {
  margin: 1.25rem 0;
}

.permission-row div,
.result-grid div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.8fr) 1fr;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid color-mix(in srgb, currentColor 18%, transparent);
}

.permission-row dt,
.result-grid dt {
  font-weight: 600;
}

.permission-row dd,
.result-grid dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.primary-button {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border: 1px solid currentColor;
  border-radius: 0.75rem;
  background: transparent;
  color: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.result-panel {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid currentColor;
}

.result-panel h3 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.compass-preview {
  position: relative;
  width: min(15rem, 70vw);
  aspect-ratio: 1;
  margin: 1.75rem auto 1rem;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.compass-preview::before {
  content: '';
  position: absolute;
  inset: 12%;
  border: 1px solid color-mix(in srgb, currentColor 25%, transparent);
  border-radius: 50%;
}

.compass-label {
  position: absolute;
  font-size: 0.8rem;
  font-weight: 700;
  opacity: 0.7;
}

.compass-label-n {
  top: 0.45rem;
  left: 50%;
  transform: translateX(-50%);
}

.compass-label-e {
  top: 50%;
  right: 0.55rem;
  transform: translateY(-50%);
}

.compass-label-s {
  bottom: 0.45rem;
  left: 50%;
  transform: translateX(-50%);
}

.compass-label-w {
  top: 50%;
  left: 0.55rem;
  transform: translateY(-50%);
}

.heading-needle {
  position: absolute;
  left: 50%;
  top: 18%;
  width: 2px;
  height: 32%;
  background: currentColor;
  transform: translateX(-50%) rotate(0deg);
  transform-origin: 50% 100%;
  transition: transform 80ms linear;
}

.heading-needle::before {
  content: '';
  position: absolute;
  top: -0.45rem;
  left: 50%;
  width: 0;
  height: 0;
  border-left: 0.35rem solid transparent;
  border-right: 0.35rem solid transparent;
  border-bottom: 0.6rem solid currentColor;
  transform: translateX(-50%);
}

.heading-value {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  font-size: 1.3rem;
}

.sensor-instruction {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  text-align: center;
  opacity: 0.8;
}

.note {
  margin: 1.5rem 0 0;
  font-size: 0.9rem;
  opacity: 0.75;
}

@media (max-width: 30rem) {
  .shell {
    padding: 2rem 0;
  }

  .status-card {
    padding: 1.25rem;
  }

  .permission-row div,
  .result-grid div {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }
}