:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #667085;
  --line: #d7dee8;
  --primary: #1266f1;
  --primary-dark: #0f52c0;
  --secondary: #eef2f7;
  --danger: #b42318;
  --ok: #067647;
  --shadow: 0 12px 30px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(720px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0 18px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: 0;
}

.status-pill {
  min-width: 86px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.status-pill.ok {
  border-color: rgba(6, 118, 71, 0.25);
  color: var(--ok);
}

.status-pill.error {
  border-color: rgba(180, 35, 24, 0.25);
  color: var(--danger);
}

.panel,
.result {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  display: grid;
  gap: 9px;
  padding: 14px;
}

label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 12px;
  background: #fbfcfe;
  color: var(--text);
}

select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 12px;
  background: #fbfcfe;
  color: var(--text);
}

input:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(18, 102, 241, 0.15);
}

select:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(18, 102, 241, 0.15);
}

.button-row,
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.button-row {
  margin-top: 4px;
}

.actions {
  margin: 14px 0;
}

button,
.map-link {
  min-height: 46px;
  border: 0;
  border-radius: 7px;
  padding: 0 14px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

button:active,
.map-link:active {
  transform: translateY(1px);
}

button.secondary {
  border: 1px solid var(--line);
  background: var(--secondary);
  color: var(--text);
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.result {
  overflow: hidden;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}

.result-grid > div {
  min-height: 78px;
  padding: 13px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.result-grid > div:nth-child(2n) {
  border-right: 0;
}

.result-grid > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.result-grid span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.result-grid strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 18px;
  letter-spacing: 0;
}

.coords {
  padding: 14px;
}

.coords p {
  margin: 0;
  overflow-wrap: anywhere;
}

.coords p + p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.map-link {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 14px 14px;
}

.map-link.disabled {
  pointer-events: none;
  background: #c7d0dd;
}

.log {
  min-height: 92px;
  margin: 14px 0 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #111827;
  color: #d1d5db;
  overflow-x: auto;
  white-space: pre-wrap;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.track-panel {
  margin-top: 14px;
}

.track-controls {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 10px;
}

.profile-controls {
  display: grid;
  grid-template-columns: 1fr 126px;
  gap: 10px;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 10px;
  background: #fbfcfe;
  color: var(--text);
  font-size: 14px;
}

.checkbox-line input {
  width: 18px;
  height: 18px;
}

.map {
  width: 100%;
  height: min(58vh, 430px);
  min-height: 280px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #e7edf5;
}

.track-summary {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 420px) {
  .button-row,
  .actions,
  .track-controls,
  .profile-controls {
    grid-template-columns: 1fr;
  }
}