:root {
  --green-dark: #1B4332;
  --green: #2D6A4F;
  --green-light: #74C69D;
  --bg: #0B1F17;
  --card-bg: #14301F;
  --text: #F1FAEE;
  --text-dim: #9BC1AE;
  --warn: #E9C46A;
  --error: #E76F51;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overscroll-behavior: none;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--green-dark);
}

.app-logo { font-size: 22px; }
.app-title { font-size: 18px; font-weight: 700; letter-spacing: 0.3px; }

.search-screen, .tee-screen, .round-screen {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
  gap: 16px;
}

.round-screen { align-items: center; justify-content: center; text-align: center; gap: 20px; }

.search-label {
  font-size: 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.search-row input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--green);
  background: var(--card-bg);
  color: var(--text);
  font-size: 16px;
}

.search-row input:focus { outline: 2px solid var(--green-light); }

.search-row button, .back-link, .hole-nav button {
  padding: 12px 18px;
  border-radius: 12px;
  border: none;
  background: var(--green);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.search-row button:active, .hole-nav button:active { background: var(--green-light); }

.back-link {
  align-self: flex-start;
  background: transparent;
  color: var(--text-dim);
  padding: 6px 0;
  font-size: 14px;
}

.search-status { font-size: 14px; color: var(--text-dim); }

.search-results {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.search-results li {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 14px 16px;
  cursor: pointer;
}

.search-results li:active { background: var(--green-dark); }

.search-results li span { font-size: 13px; color: var(--text-dim); }

.course-name { margin: 0; font-size: 20px; }

.round-top {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hole-nav { display: flex; align-items: center; gap: 12px; }

.hole-nav button {
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hole-nav button:disabled { opacity: 0.3; cursor: default; }

.hole-nav span { font-size: 15px; font-weight: 700; min-width: 60px; }

.hole-meta { font-size: 15px; color: var(--text-dim); }

.hole-label {
  font-size: 14px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.distance-card {
  background: var(--card-bg);
  border-radius: 24px;
  padding: 48px 64px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}

.distance-value {
  font-size: 96px;
  font-weight: 800;
  line-height: 1;
  color: var(--green-light);
  font-variant-numeric: tabular-nums;
}

.distance-unit {
  font-size: 16px;
  color: var(--text-dim);
  margin-top: 8px;
}

.gps-status {
  font-size: 14px;
  color: var(--text-dim);
}

.gps-status.ok { color: var(--green-light); }
.gps-status.warn { color: var(--warn); }
.gps-status.error { color: var(--error); }

.accuracy-note {
  font-size: 12px;
  color: var(--text-dim);
  opacity: 0.7;
}

.app-footer {
  text-align: center;
  padding: 12px;
  font-size: 12px;
  color: var(--text-dim);
}