:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --danger: #DC2626;
  --success: #16A34A;
  --surface: #ffffff;
  --bg: #F1F5F9;
  --border: #E2E8F0;
  --text: #1E293B;
  --text-muted: #64748B;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* ── Toolbar ── */
#toolbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  z-index: 1000;
  box-shadow: var(--shadow);
}
#toolbar h1 {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -.3px;
  white-space: nowrap;
  margin-right: 4px;
}
.sep { width: 1px; height: 22px; background: var(--border); flex-shrink: 0; }
.spacer { flex: 1; }
.row-break { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
  white-space: nowrap;
  user-select: none;
}
.btn:hover:not(:disabled) { background: var(--bg); border-color: #CBD5E1; }
.btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.active:hover:not(:disabled) { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover:not(:disabled) { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.danger:hover:not(:disabled) { background: #FEF2F2; border-color: #FECACA; color: var(--danger); }
.btn:disabled { opacity: .38; cursor: not-allowed; }

.toggle-group {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}
.toggle-group .btn {
  border: none;
  border-radius: 0;
}
.toggle-group .btn + .btn { border-left: 1px solid var(--border); }

select {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color .12s;
}
select:hover { border-color: #CBD5E1; }

/* ── Search ── */
#search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.search-icon {
  position: absolute;
  left: 10px;
  color: var(--text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
#search-input {
  padding: 5px 10px 5px 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text);
  background: var(--surface);
  outline: none;
  width: 200px;
  transition: border-color .12s, width .2s;
}
#search-input:focus { border-color: var(--primary); width: 240px; }
#search-input::placeholder { color: var(--text-muted); }
#search-results {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 280px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  z-index: 2000;
  overflow: hidden;
}
#search-results.open { display: block; }
.sr-item {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.sr-item:last-child { border-bottom: none; }
.sr-item:hover, .sr-item.focused { background: var(--bg); }
.sr-name { font-size: 13px; font-weight: 500; color: var(--text); }
.sr-sub  { font-size: 11px; color: var(--text-muted); margin-top: 1px; }
.sr-empty { padding: 10px 12px; font-size: 13px; color: var(--text-muted); }

/* ── Map ── */
#map { flex: 1; min-height: 0; }

/* ── Mobile ── */
@media (max-width: 600px) {
  #toolbar h1 { display: none; }
  .sep { display: none; }
  #toolbar { gap: 4px; padding: 6px 8px; align-items: center; }

  /* Принудительные разрывы строк */
  .row-break { display: block; width: 100%; height: 0; flex-shrink: 0; }

  /* Строка 1: поиск растягивается, кнопка геолокации справа */
  #search-wrap { flex: 1; }
  #search-input { width: 100%; font-size: 16px; }
  #search-input:focus { width: 100%; }

  .btn-label { display: none; }
  .btn { padding: 6px 8px; }
  .toggle-group .btn { padding: 6px 8px; }

  /* 16px предотвращает авто-зум iOS Safari при фокусе */
  select { padding: 5px 8px; font-size: 16px; flex: 1; min-width: 0; }

  /* Строка 3: экспорт прижат вправо */
  .spacer { flex: 1; }
  #btn-export { margin-left: auto; }

  #stat-hint { display: none; }
}

/* ── Segment distance label ── */
.seg-label {
  background: rgba(255,255,255,.9);
  border: 1px solid #CBD5E1;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 600;
  color: #1E293B;
  box-shadow: 0 1px 4px rgba(0,0,0,.12);
  white-space: nowrap;
  pointer-events: none;
}
.seg-label::before { display: none; }
#map.alt-mode { cursor: crosshair !important; }
#map.alt-mode .leaflet-interactive { cursor: crosshair !important; }

/* ── Status bar ── */
#statusbar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 5px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.stat { display: flex; align-items: center; gap: 4px; }
.stat strong { color: var(--text); font-weight: 600; }
.stat-total strong { font-size: 14px; color: var(--primary); }
#stat-hint { margin-left: auto; font-style: italic; }

/* ── Loading overlay ── */
#loading {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(248,250,252,.65);
  backdrop-filter: blur(2px);
  z-index: 9000;
  align-items: center;
  justify-content: center;
}
#loading.on { display: flex; }
.loading-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}
.spinner {
  width: 20px; height: 20px;
  border: 2.5px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .75s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 52px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #1E293B;
  color: #F8FAFC;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  opacity: 0;
  transition: opacity .25s, transform .25s;
  z-index: 8000;
  pointer-events: none;
  white-space: nowrap;
}
#toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Custom marker pin ── */
.pin-wrap {
  transform: rotate(-45deg);
  border-radius: 50% 50% 50% 0;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid rgba(255,255,255,.9);
  box-shadow: 0 2px 8px rgba(0,0,0,.28);
}
.pin-wrap span { transform: rotate(45deg); font-size: 10px; font-weight: 700; line-height: 1; }

/* ── Route name dialog ── */
#dialog-bg {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,23,42,.4);
  backdrop-filter: blur(3px);
  z-index: 9500;
  align-items: center; justify-content: center;
}
#dialog-bg.on { display: flex; }
#dialog {
  background: var(--surface);
  border-radius: 14px;
  padding: 24px;
  width: 320px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
#dialog h2 { font-size: 16px; margin-bottom: 14px; color: var(--text); }
#dialog input[type=text] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  color: var(--text);
  outline: none;
  transition: border-color .15s;
}
#dialog input[type=text]:focus { border-color: var(--primary); }
#dialog .dialog-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }