:root {
  color-scheme: light;
  --ground: #f5f1e8;
  --ink: #1d2924;
  --muted: #66736d;
  --panel: #fffaf0;
  --panel-strong: #ece5d6;
  --line: #c9beaa;
  --field: #24362f;
  --field-soft: #d9e4da;
  --signal: #b3452d;
  --signal-soft: #f2d0c4;
  --sun: #d6a63c;
  --shadow: 0 18px 40px rgb(29 41 36 / 14%);
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgb(245 241 232 / 78%), rgb(245 241 232 / 100%)),
    repeating-linear-gradient(100deg, rgb(36 54 47 / 8%) 0 1px, transparent 1px 44px);
  color: var(--ink);
}

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

button,
select {
  min-height: 44px;
}

button {
  border: 0;
  border-radius: 7px;
  background: var(--field);
  color: #f8f4eb;
  cursor: pointer;
  font-weight: 750;
  padding: 0.85rem 1rem;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 2px;
}

button.secondary {
  background: var(--field-soft);
  color: var(--field);
}

button.danger {
  background: var(--signal-soft);
  color: #8e2e1f;
  padding: 0.55rem 0.7rem;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 2rem);
}

.eyebrow,
.metric-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.95;
}

h2 {
  font-size: clamp(1.2rem, 2.4vw, 1.75rem);
}

.status-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 250 240 / 78%);
  color: var(--field);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 0.55rem 0.8rem;
  white-space: nowrap;
}

.status-pill.active {
  background: var(--field);
  color: #f8f4eb;
}

.status-pill.warning {
  background: var(--signal-soft);
  color: #8e2e1f;
}

.app-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: clamp(1rem, 2.4vw, 1.5rem);
  padding: 0 clamp(1rem, 3vw, 2rem) 1rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgb(255 250 240 / 92%);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.guidance-panel {
  display: grid;
  gap: 1rem;
}

.setup-panel {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fffdf8;
  color: var(--ink);
  padding: 0.75rem;
}

select {
  max-width: 260px;
  font-weight: 750;
}

textarea {
  min-height: 136px;
  resize: vertical;
  line-height: 1.45;
}

.field-label {
  color: var(--field);
  font-size: 0.86rem;
  font-weight: 800;
}

.bearing-face {
  display: grid;
  grid-template-columns: minmax(150px, 220px) 1fr;
  align-items: center;
  gap: clamp(1rem, 4vw, 2rem);
  border-block: 1px solid var(--line);
  padding: clamp(1rem, 4vw, 2rem) 0;
}

.arrow-ring {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 10px solid var(--field-soft);
  border-radius: 50%;
  background: #fffdf8;
  box-shadow: inset 0 0 0 2px var(--line);
}

.arrow {
  width: 0;
  height: 0;
  border-right: 28px solid transparent;
  border-bottom: 110px solid var(--signal);
  border-left: 28px solid transparent;
  filter: drop-shadow(0 8px 10px rgb(29 41 36 / 20%));
  transform: rotate(0deg);
  transform-origin: 50% 64%;
  transition: transform 220ms ease-out;
}

.distance-block {
  min-width: 0;
}

.metric-value {
  margin: 0.1rem 0 0;
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 850;
  line-height: 0.95;
}

.bearing-copy {
  margin: 0.6rem 0 0;
  color: var(--field);
  font-size: clamp(1.1rem, 3vw, 1.8rem);
  font-weight: 780;
}

.confidence-card {
  border: 1px solid var(--line);
  border-left: 7px solid var(--muted);
  border-radius: 8px;
  background: #fffdf8;
  padding: 0.9rem 1rem;
}

.confidence-card h3 {
  margin: 0.18rem 0 0;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  letter-spacing: 0;
}

.confidence-card p {
  margin: 0.35rem 0 0;
  color: var(--ink);
  font-weight: 720;
  line-height: 1.35;
}

.confidence-card #confidence-advice {
  color: var(--muted);
  font-weight: 680;
}

.confidence-card.caution {
  border-left-color: var(--signal);
  background: var(--signal-soft);
}

.confidence-card.inside {
  border-left-color: var(--sun);
  background: #fbefd0;
}

.confidence-card.good {
  border-left-color: var(--field);
  background: var(--field-soft);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric-row > div {
  border-left: 4px solid var(--field);
  background: var(--field-soft);
  padding: 0.85rem;
}

.metric-small {
  margin: 0.25rem 0 0;
  overflow-wrap: anywhere;
  font-size: 0.98rem;
  font-weight: 760;
}

.plot-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
}

canvas {
  display: block;
  width: 100%;
  height: min(48vh, 420px);
}

.action-row,
.point-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.point-form {
  grid-template-columns: 1fr 1fr;
}

.point-form input:first-child,
.point-form button {
  grid-column: 1 / -1;
}

.message {
  min-height: 1.2em;
  margin: 0;
  color: var(--signal);
  font-size: 0.92rem;
  font-weight: 700;
}

.message.ok {
  color: var(--field);
}

.point-list {
  display: grid;
  gap: 0.55rem;
}

.point-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fffdf8;
  padding: 0.7rem;
}

.point-item strong {
  display: block;
  overflow-wrap: anywhere;
}

.point-item span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.disclaimer {
  margin: 0 clamp(1rem, 3vw, 2rem) 1rem;
  border: 1px solid #d5a99d;
  border-radius: 8px;
  background: var(--signal-soft);
  color: #6f271d;
  padding: 0.85rem 1rem;
  font-weight: 760;
}

@media (max-width: 860px) {
  .app-grid {
    grid-template-columns: 1fr;
  }

  .guidance-panel {
    order: -1;
  }
}

@media (max-width: 560px) {
  .app-header,
  .section-heading,
  .bearing-face,
  .metric-row {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .app-header,
  .section-heading {
    flex-direction: column;
  }

  select {
    max-width: none;
  }

  .bearing-face {
    display: grid;
  }

  .arrow-ring {
    width: min(58vw, 190px);
    justify-self: center;
  }

  .metric-value {
    text-align: center;
  }

  .bearing-copy,
  .distance-block .metric-label {
    text-align: center;
  }
}