:root {
  --bg: #16181d;
  --bg2: #1e2128;
  --bg3: #262a33;
  --border: #333845;
  --text: #e8eaf0;
  --text-dim: #9aa1b0;
  --accent: #1673ff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, sans-serif;
}

button {
  font: inherit;
  color: var(--text);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
}
button:hover { background: #2e3340; }
button:disabled { opacity: 0.4; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); }
button.primary:hover { background: #2f83ff; }

input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  width: 100%;
}
input[type="color"] { padding: 2px; width: 34px; height: 28px; }
input[type="range"] { padding: 0; }

.screen { height: 100%; display: flex; flex-direction: column; }
.hidden { display: none !important; }

/* ------------------------------------------------------------- home */

.home-header {
  padding: 72px 32px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.home-header .logo { color: var(--text); margin-bottom: 18px; }
.home-header h1 { margin: 0 0 10px; font-size: 34px; letter-spacing: -0.02em; }
.home-header p { margin: 0 0 26px; color: var(--text-dim); font-size: 15px; line-height: 1.6; }
.home-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.home-actions button { padding: 10px 18px; font-size: 15px; border-radius: 8px; }

.drafts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  padding: 24px 32px;
  overflow-y: auto;
}
.draft-card {
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
}
.draft-card:hover { border-color: var(--accent); }
.draft-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; background: #000; }
.draft-meta { padding: 10px 12px; }
.draft-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.draft-date { color: var(--text-dim); font-size: 12px; }
.draft-del {
  position: absolute; top: 8px; right: 8px;
  width: 26px; height: 26px; padding: 0;
  border-radius: 50%; background: rgba(0,0,0,0.6);
}

/* ----------------------------------------------------------- editor */

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.tool-group { display: flex; gap: 4px; }
.tool.active { background: var(--accent); border-color: var(--accent); }
#topo-title {
  color: var(--text);
  margin-left: 8px;
  width: 220px;
  background: none;
  border: 1px solid transparent;
  padding: 4px 8px;
}
#topo-title:hover:not(:read-only), #topo-title:focus:not(:read-only) {
  border-color: var(--border);
  background: var(--bg);
}
#topo-title:read-only { color: var(--text-dim); cursor: default; }

.map-box { width: 560px; }
#map { height: 380px; border-radius: 8px; background: #222; }
#info-fields a { color: var(--accent); }
.spacer { flex: 1; }
#save-status { color: var(--text-dim); font-size: 12px; }

.editor-body { flex: 1; display: flex; min-height: 0; }

#viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #0c0d10;
  touch-action: none;
  cursor: grab;
}
#viewport[data-tool="draw"] { cursor: crosshair; }

#stage {
  position: absolute;
  top: 0; left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.help-table { border-collapse: collapse; width: 100%; }
.help-table td { padding: 4px 8px 4px 0; font-size: 13px; }
.help-table td:first-child { color: var(--text-dim); white-space: nowrap; }
kbd {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 11px;
}
#stage img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  image-orientation: from-image;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}
#stage svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }

#overlay .layer-lines, #overlay .layer-selection, #overlay .layer-markers { pointer-events: none; }
#overlay .layer-hits path, #overlay .layer-hits circle { pointer-events: all; }
#editlayer { pointer-events: none; }
#editlayer circle[data-anchor] { pointer-events: all; }
#editlayer text { user-select: none; }

#panel {
  width: 300px;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
}
#panel section { padding: 14px; border-bottom: 1px solid var(--border); }
#panel h3 {
  margin: 0 0 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.panel-topo-title { font-weight: 700; font-size: 16px; }
.panel-approach { margin-top: 8px; }
.panel-approach summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  padding: 4px 0;
}
.panel-approach summary:hover { color: var(--text); }
.panel-approach a { color: var(--accent); text-decoration: none; }
.panel-approach a:hover { text-decoration: underline; }
.panel-approach-label {
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 8px;
}

.panel-hint { color: var(--text-dim); font-size: 13px; padding: 8px 32px; }
#panel .panel-hint { padding: 4px 0; }

.route-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.route-row:hover { background: var(--bg3); }
.route-row.selected { background: rgba(22, 115, 255, 0.18); }
.route-num {
  background: #111;
  border: 1.5px solid #fff;
  color: #fff;
  border-radius: 50%;
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  flex-shrink: 0;
}
.route-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.route-grade { color: var(--text-dim); }
.route-del { padding: 0 8px; background: none; border: none; color: var(--text-dim); }
.route-del:hover { color: #ff5c5c; background: none; }
.route-row.variation { padding-left: 26px; }
.route-row.variation .route-num {
  background: none; border-color: var(--text-dim); color: var(--text-dim);
  width: 26px; border-radius: 10px; font-size: 10px;
}

select#annotate { width: auto; background: var(--bg3); }
select#annotate.active { background: var(--accent); }
button.danger { border-color: #a33; color: #ff8a8a; }
button.danger:hover { background: rgba(255, 92, 92, 0.12); }

#draw-bar {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100% - 32px);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 8px 8px 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
  z-index: 10;
}
#draw-hint { color: var(--text-dim); font-size: 13px; }

.detail-meta { color: var(--text-dim); font-size: 13px; margin-bottom: 8px; }
.detail-desc { margin: 0; font-size: 13px; white-space: pre-wrap; }

.field { display: block; margin-bottom: 10px; }
.field > span { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.inspector-head { font-weight: 600; margin-bottom: 10px; }

.swatches { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.swatch {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  padding: 0;
}
.swatch.active { border-color: #fff; }
.swatch.default {
  background: linear-gradient(135deg, var(--bg3) 45%, var(--text-dim) 45%, var(--text-dim) 55%, var(--bg3) 55%);
}

.home-subhead {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  margin: 8px 32px 0;
}
.home-subhead button { font-size: 12px; padding: 3px 8px; }
.shares-list { padding: 10px 32px 32px; display: flex; flex-direction: column; gap: 6px; }
.share-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
}
.share-title { flex: 1; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.share-row a { color: var(--accent); text-decoration: none; }
.share-row a:hover { text-decoration: underline; }
.share-row button { font-size: 12px; padding: 3px 8px; }

.link-row { display: flex; gap: 6px; }
.link-row input { font-size: 12px; color: var(--text-dim); }
.modal-actions.wrap { flex-wrap: wrap; }
#share-status, #share-status2 { color: var(--text-dim); font-size: 12px; margin-right: auto; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-box {
  width: 360px;
  max-width: calc(100vw - 32px);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.modal-box h3 { margin: 0 0 14px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; align-items: center; margin-top: 14px; }
#exp-status { color: var(--text-dim); font-size: 12px; margin-right: auto; }
.field.check { display: flex; align-items: center; gap: 8px; }
.field.check input { width: auto; }
.field.check span { margin: 0; }

.merge-chooser {
  position: fixed;
  z-index: 100;
  display: flex;
  gap: 6px;
  padding: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}