:root {
  --bg: #ffffff;
  --bg-soft: #f3f5f3;
  --card: #ffffff;
  --text: #101312;
  --text-soft: #6a736d;
  --border: rgba(16, 19, 18, 0.1);
  --accent: #45e45a;
  --accent-2: #92ff70;
  --accent-deep: #177f2b;
  --danger: #ff5c67;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
}

body.dark {
  --bg: #050505;
  --bg-soft: #101010;
  --card: #0d0d0d;
  --text: #f4f8f4;
  --text-soft: #a3ada6;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #5df06e;
  --accent-2: #a4ff87;
  --accent-deep: #2dbc49;
  --danger: #ff6b76;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(69, 228, 90, 0.12), transparent 24%),
    var(--bg);
  color: var(--text);
}

button, input, select { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.hidden { display: none !important; }
.app-shell {
  width: min(100%, 760px);
  margin: 0 auto;
  min-height: 100vh;
  padding: 16px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.topbar, .section-head, .permission-row, .export-actions, .modal-actions, .brand, .input-row {
  display: flex;
  align-items: center;
}
.topbar, .section-head, .permission-row, .export-actions, .modal-actions {
  justify-content: space-between;
  gap: 12px;
}
.topbar {
  padding-top: env(safe-area-inset-top, 0px);
}
.brand { gap: 12px; }
.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.brand h1, .hero h2, .section-head h2, .section-head h3 { margin: 0; }
.eyebrow {
  margin: 0 0 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.muted { color: var(--text-soft); }
.tiny { font-size: 0.875rem; }
.main-content { display: grid; }
.screen { display: none; }
.screen.active { display: grid; gap: 18px; }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)), var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.hero-card { gap: 16px; display: grid; }
.summary-card { min-height: 180px; }
.stack { display: grid; }
.gap-sm { gap: 8px; }
.gap-md { gap: 12px; }
.gap-lg { gap: 18px; }
.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.choice-button, .trigger-button, .secondary-button, .primary-button, .danger-button, .icon-button {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px 16px;
  background: var(--bg-soft);
  color: var(--text);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.choice-button.active, .trigger-button.active {
  background: rgba(69, 228, 90, 0.18);
  border-color: rgba(69, 228, 90, 0.45);
}
.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #071108;
  border-color: transparent;
  font-weight: 700;
}
.secondary-button {
  background: var(--bg-soft);
}
.danger-button {
  background: rgba(255, 92, 103, 0.14);
  border-color: rgba(255, 92, 103, 0.3);
  color: var(--danger);
  font-weight: 700;
}
.icon-button {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  padding: 0;
}
button:hover { transform: translateY(-1px); }
.input, .label {
  width: 100%;
}
.label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.input {
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 14px 14px;
  background: var(--bg-soft);
  color: var(--text);
}
.input-row {
  gap: 12px;
}
.input-row > div { flex: 1; }
.empty-state {
  display: grid;
  place-items: center;
  min-height: 88px;
  border-radius: 18px;
  border: 1px dashed var(--border);
  color: var(--text-soft);
  padding: 16px;
  text-align: center;
}
.alarm-list {
  display: grid;
  gap: 10px;
}
.alarm-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.alarm-meta strong { display: block; }
.alarm-meta span { color: var(--text-soft); font-size: 0.9rem; }
.remove-alarm {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
}
.pill, .status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
}
.pill {
  background: rgba(69, 228, 90, 0.15);
  color: var(--accent-deep);
}
.status-badge.neutral {
  background: var(--bg-soft);
  color: var(--text-soft);
}
.status-badge.success {
  background: rgba(69, 228, 90, 0.16);
  color: var(--accent-deep);
}
.status-badge.warn {
  background: rgba(255, 210, 85, 0.16);
  color: #b78900;
}
.run-card { gap: 20px; display: grid; }
.run-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.metric-tile {
  padding: 18px;
  border-radius: 22px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.metric-tile:last-child {
  grid-column: 1 / -1;
}
.metric-label {
  display: block;
  color: var(--text-soft);
  margin-bottom: 8px;
}
.metric-tile strong {
  font-size: clamp(1.35rem, 4vw, 2rem);
}
.results-capture {
  display: grid;
  gap: 16px;
}
.map-card {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-soft);
}
.map, .route-fallback {
  width: 100%;
  height: 320px;
}
.route-fallback {
  display: block;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.stat-card {
  padding: 16px;
  border-radius: 20px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.stat-card span {
  display: block;
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.stat-card strong {
  font-size: 1.15rem;
}
.footer {
  color: var(--text-soft);
  text-align: center;
  margin-top: auto;
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
}
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: grid;
  place-items: center;
  padding: 20px;
}
.modal-card {
  width: min(100%, 360px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.modal-card h3, .modal-card p { margin-top: 0; }
.compact { align-items: flex-start; }

@media (max-width: 540px) {
  .topbar, .section-head { align-items: flex-start; }
  .section-head { flex-direction: column; }
  .permission-row, .export-actions, .modal-actions { flex-direction: column; align-items: stretch; }
  .choice-grid, .run-grid, .stats-grid, .input-row { grid-template-columns: 1fr; display: grid; }
  .metric-tile:last-child { grid-column: auto; }
}