:root {
  --ink: #1d232a;
  --muted: #69727d;
  --line: #d5d9de;
  --accent: #2563eb;
  --section-fill: #dbe7ff;
  --section-stroke: #3b5fc4;
  --dim-fill: #eef0f3;
  --dim-stroke: #b3bac3;
  --error: #b42318;
  font-family: system-ui, sans-serif;
  color: var(--ink);
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  padding: 12px;
  background: #fff;
}

main {
  max-width: 1400px;
  margin: 0 auto;
}

h1 {
  font-size: 1.3rem;
  margin: 0;
}

button,
select,
textarea {
  font: inherit;
}

button {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6f7f9;
  color: var(--ink);
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

.status {
  color: var(--muted);
}

.message.error {
  color: var(--error);
}

/* Input view */
.input-view {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 600px;
}

.input-view label {
  font-weight: 600;
  margin-top: 8px;
}

.input-view select,
.input-view textarea {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.input-view textarea {
  resize: vertical;
}

.input-view button {
  margin-top: 12px;
  align-self: flex-start;
  padding: 10px 28px;
}

/* Result view: list on top, map below; side by side on wide screens */
.result-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 12px;
}

.result-bar h1 {
  margin-right: auto;
}

.result {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 800px) {
  .result {
    display: grid;
    grid-template-columns: minmax(260px, 2fr) 3fr;
    align-items: start;
  }

  .map {
    position: sticky;
    top: 12px;
  }

  .store-map {
    max-height: calc(100vh - 24px);
  }
}

.groups .group {
  padding: 4px 10px 8px;
  margin-bottom: 6px;
  border: 2px solid transparent;
  border-radius: 8px;
}

.groups .group[data-section] {
  cursor: pointer;
}

.groups h2 {
  font-size: 1.05rem;
  margin: 4px 0;
}

.groups ul {
  margin: 0;
  padding-left: 22px;
}

.groups li {
  padding: 2px 0;
}

.groups .unknown h2 {
  color: var(--muted);
}

.groups .group.selected {
  background: var(--section-fill);
  border-color: var(--section-stroke);
}

/* Map (markup from lib/map.js) */
.store-map {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.store-map rect,
.store-map circle {
  vector-effect: non-scaling-stroke;
  stroke-width: 1.5px;
}

.store-map text {
  pointer-events: none;
  fill: var(--ink);
}

.store-map .decoration rect,
.store-map .section.no-items rect {
  fill: var(--dim-fill);
  stroke: var(--dim-stroke);
}

.store-map .decoration text,
.store-map .section.no-items text {
  fill: var(--muted);
}

.store-map .decoration.invisible rect {
  fill: none;
  stroke: none;
}

.store-map .section.has-items {
  cursor: pointer;
}

.store-map .section.has-items rect {
  fill: var(--section-fill);
  stroke: var(--section-stroke);
}

.store-map .badge circle {
  fill: var(--accent);
  stroke: #fff;
}

.store-map .badge text {
  fill: #fff;
  font-weight: 700;
}

.store-map .section.selected > rect {
  fill: #9dbbf5;
  stroke-width: 3px;
}

/* Hover hint on devices with a mouse */
@media (hover: hover) {
  .groups .group[data-section]:not(.selected):hover {
    border-color: var(--section-fill);
  }

  .store-map .section.has-items:not(.selected):hover > rect {
    stroke-width: 2.5px;
  }
}