:root {
  color-scheme: light;
  --bg: #f5f3ef;
  --panel: #ffffff;
  --text: #1f2933;
  --muted: #667085;
  --border: #d8dee6;
  --accent: #1f7a6d;
  --accent-dark: #165c52;
  --accent-soft: #dff3ef;
  --gold: #a56a00;
  --blue: #2d5f9a;
  --danger: #b42318;
  --shadow: 0 16px 40px rgba(31, 41, 51, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  padding: 8px 12px;
}

button:hover {
  border-color: var(--accent);
}

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

.primary-button:hover {
  background: var(--accent-dark);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(16px, 3vw, 40px);
}

.topbar h1,
.topbar p {
  margin: 0;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.sync-status {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  min-width: 96px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(340px, 1.15fr) minmax(280px, 0.85fr);
  gap: 18px;
  padding: 0 clamp(16px, 3vw, 40px) 32px;
}

.panel {
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.panel-heading h2,
.selected-heading h3 {
  margin: 0;
  font-size: 20px;
}

.panel-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.count-pill {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  min-height: 28px;
  border-radius: 999px;
  background: #eef2f6;
  color: #344054;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr 150px;
  gap: 10px;
  margin-bottom: 12px;
}

.search-field,
.select-field,
.unit-editor label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: #fff;
  padding: 10px 11px;
}

textarea {
  resize: vertical;
}

.add-point-form {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 10px;
  margin-bottom: 12px;
}

.point-list,
.selected-list {
  display: grid;
  gap: 10px;
}

.point-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
  cursor: grab;
}

.point-card:hover {
  border-color: var(--accent);
}

.point-card.is-used {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.point-card:active {
  cursor: grabbing;
}

.point-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.area-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #edf4ff;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 8px;
}

.point-text {
  margin: 0;
  line-height: 1.45;
}

.used-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.used-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #fff7df;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 8px;
}

.unit-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.unit-tab {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.unit-tab.is-active {
  background: #1f2933;
  border-color: #1f2933;
  color: #fff;
}

.unit-drop-zone {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 14px;
}

.unit-drop-zone.is-drag-over {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.unit-editor {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.selected-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.selected-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.selected-item p {
  margin: 0;
  line-height: 1.45;
}

.remove-button {
  color: var(--danger);
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  padding: 18px;
  text-align: center;
}

pre {
  min-height: 360px;
  max-height: calc(100vh - 210px);
  overflow: auto;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #101828;
  color: #f2f4f7;
  line-height: 1.55;
  padding: 16px;
  white-space: pre-wrap;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(340px, calc(100vw - 36px));
  transform: translateY(20px);
  opacity: 0;
  border-radius: 8px;
  background: #1f2933;
  color: #fff;
  padding: 12px 14px;
  pointer-events: none;
  transition: opacity 150ms ease, transform 150ms ease;
}

.toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1120px) {
  .layout {
    grid-template-columns: 1fr 1fr;
  }

  .output-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .topbar,
  .layout,
  .toolbar,
  .add-point-form {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: stretch;
  }

  .layout {
    display: grid;
  }
}