:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #d9dde3;
  --text: #1f2933;
  --muted: #5f6b7a;
  --accent: #0b5fff;
  --accent-dark: #0847c4;
  --danger: #c62828;
  --warn-bg: #fff4e0;
  --warn-text: #7a4b00;
  --marker: #0b5fff;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  height: 52px;
}

.brand { font-weight: 700; font-size: 18px; letter-spacing: 0.2px; }

.toolbar { display: flex; align-items: center; gap: 12px; flex: 1; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }

button {
  font: inherit;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}
button:hover { background: #eef1f5; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover { background: var(--accent-dark); }
button.danger { color: var(--danger); }
button:disabled { opacity: 0.6; cursor: wait; }
button.icon { padding: 2px 7px; font-size: 12px; line-height: 1.4; }

label.check { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }

.layout {
  display: grid;
  grid-template-columns: 340px 1fr 380px;
  height: calc(100% - 52px);
}

.sidebar {
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
}

.panel { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.panel h2 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.count { font-weight: 400; }

.search { position: relative; }
.search input {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}
.results {
  position: absolute;
  left: 14px; right: 14px;
  top: 52px;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  z-index: 1000;
  max-height: 260px;
  overflow-y: auto;
}
.results li { padding: 7px 10px; cursor: pointer; line-height: 1.3; }
.results li:hover { background: #eef1f5; }
.results li.empty { color: var(--muted); cursor: default; }

.field { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.field label { font-size: 12px; color: var(--muted); }
.field input, .field select { font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; width: 100%; }
.field-row { display: flex; gap: 10px; margin-top: 8px; }

.stops { flex: 1; }
.stop-list { list-style: none; margin: 0; padding: 0; }
.stop-list li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
}
.stop-list .num {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--marker);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.stop-list .label { line-height: 1.3; word-break: break-word; }
.stop-list .eta { display: block; color: var(--muted); font-size: 12px; }
.stop-list .actions { display: flex; gap: 3px; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }

.map { min-height: 300px; background: #dfe6ee; }

.stop-marker {
  background: var(--marker);
  color: #fff;
  border: 2px solid #fff;
  border-radius: 50%;
  width: 26px; height: 26px;
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.stop-marker.start { background: #2e7d32; }

.directions {
  overflow-y: auto;
  border-left: 1px solid var(--border);
  background: var(--panel);
  padding: 12px 14px;
}
.status { padding: 8px 10px; border-radius: 6px; margin-bottom: 10px; background: var(--warn-bg); color: var(--warn-text); }
.status.error { background: #fdecea; color: var(--danger); }
.status.info { background: #e8f0fe; color: #174ea6; }

.summary { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; margin-bottom: 12px; }
.summary .stat { padding: 8px 10px; background: var(--bg); border-radius: 6px; }
.summary .stat .k { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.summary .stat .v { font-size: 16px; font-weight: 600; }
.summary .placeholder { grid-column: 1 / -1; color: var(--muted); }

.leg { margin-bottom: 14px; }
.leg-head {
  display: flex; align-items: baseline; gap: 8px;
  padding: 6px 8px;
  background: var(--bg);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  font-weight: 600;
}
.leg-head .meta { margin-left: auto; font-weight: 400; color: var(--muted); white-space: nowrap; }
.steps { list-style: none; margin: 6px 0 0; padding: 0; }
.steps li { display: flex; gap: 8px; padding: 4px 8px; border-bottom: 1px solid #eef1f5; }
.steps li .dist { margin-left: auto; color: var(--muted); white-space: nowrap; }

dialog { border: 1px solid var(--border); border-radius: 8px; padding: 16px 20px; min-width: 380px; }
dialog h3 { margin: 0 0 10px; }
.saved-list { list-style: none; margin: 0; padding: 0; max-height: 320px; overflow-y: auto; }
.saved-list li { display: flex; align-items: center; gap: 10px; padding: 8px 4px; border-bottom: 1px solid var(--border); }
.saved-list .name { flex: 1; cursor: pointer; }
.saved-list .name:hover { color: var(--accent); }
.saved-list .meta { color: var(--muted); font-size: 12px; }
.dialog-actions { margin-top: 12px; text-align: right; }

@media (max-width: 1100px) {
  .layout { grid-template-columns: 300px 1fr; grid-template-rows: 1fr 40%; }
  .map { grid-column: 2; }
  .directions { grid-column: 1 / -1; border-left: none; border-top: 1px solid var(--border); }
}

@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; grid-template-rows: auto 50vh auto; height: auto; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border); }
  .map { grid-column: 1; }
  .directions { grid-column: 1; }
}

@media print {
  .topbar, .sidebar, .map, .status, dialog { display: none !important; }
  .layout { display: block; height: auto; }
  .directions { border: none; padding: 0; overflow: visible; }
  .leg { break-inside: avoid; }
  body { background: #fff; }
}