/* Regionly editor. Theme via [data-theme] on <html>; default set by JS from system. */
:root {
  --accent: #1971ff;
  --accent-hover: #3d87ff;
  --danger: #e5484d;
  --radius: 8px;
  font-size: 15px;
}
:root[data-theme="dark"] {
  --bg: #14161a;
  --bg2: #1c1f26;
  --bg3: #262a33;
  --border: #333845;
  --text: #e8eaef;
  --text-dim: #9aa1af;
  --canvas-bg: #0e1013;
  --shadow: 0 10px 32px rgba(0, 0, 0, .5);
}
:root[data-theme="light"] {
  --bg: #f5f6f8;
  --bg2: #ffffff;
  --bg3: #eceef2;
  --border: #d7dae0;
  --text: #1b1e24;
  --text-dim: #5b6270;
  --canvas-bg: #dfe2e8;
  --shadow: 0 10px 32px rgba(20, 30, 60, .18);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.dropping::after {
  content: 'Drop to load';
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  background: rgba(25, 113, 255, .35);
  border: 3px dashed #fff;
  z-index: 100;
  pointer-events: none;
}

kbd {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0 5px;
  font-size: .82em;
  font-family: inherit;
}

/* ---- top bar ---- */
#topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
  z-index: 10;
}
#logo {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.01em;
}
#toolbar {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
#toolbar .sep {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 5px;
  flex: 0 0 auto;
}
.tool {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  width: 34px;
  height: 32px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  flex: 0 0 auto;
}
.tool svg { width: 18px; height: 18px; }
.tool:hover { background: var(--bg3); color: var(--text); }
.tool.active { background: var(--accent); color: #fff; }
.tool:disabled { opacity: .35; cursor: default; }
.tool:disabled:hover { background: transparent; color: var(--text-dim); }
.tool.text { width: auto; padding: 0 8px; font-size: .82rem; font-weight: 600; }
#zoom-label { min-width: 48px; cursor: default; }

#actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  font-size: .88rem;
  padding: 7px 14px;
  border-radius: 7px;
  cursor: pointer;
}
.btn:hover { border-color: var(--text-dim); }
.btn:disabled { opacity: .4; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: .82rem; }
.linklike {
  appearance: none;
  background: none;
  border: none;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

/* ---- workspace ---- */
#workspace { display: flex; flex: 1 1 auto; min-height: 0; }

#panel {
  width: 232px;
  flex: 0 0 auto;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
#panel-head { padding: 10px 12px 6px; }
#panel-head h2 { margin: 0; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); }
#region-count { color: var(--accent); }
#region-list { flex: 1 1 auto; overflow-y: auto; padding: 4px 6px; }
.panel-empty { color: var(--text-dim); font-size: .84rem; padding: 8px; line-height: 1.5; }
#panel-foot { padding: 8px 12px; border-top: 1px solid var(--border); }
#panel-foot p { margin: 0; font-size: .72rem; color: var(--text-dim); line-height: 1.5; }

.region-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
}
.region-row:hover { background: var(--bg3); }
.region-row.selected { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.region-row.hidden-region { opacity: .45; }
.region-row .dot { width: 10px; height: 10px; border-radius: 50%; flex: 0 0 auto; }
.region-row .glyph { color: var(--text-dim); font-size: .8rem; flex: 0 0 auto; width: 14px; text-align: center; }
.region-row .name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .88rem; }
.region-row .name.unlabeled { color: var(--text-dim); font-style: italic; }
.icon-btn {
  appearance: none;
  border: none;
  background: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: .78rem;
  padding: 2px 4px;
  border-radius: 4px;
  flex: 0 0 auto;
}
.icon-btn:hover { background: var(--bg); color: var(--text); }
.icon-btn.danger:hover { color: var(--danger); }
.region-row .icon-btn { visibility: hidden; }
.region-row:hover .icon-btn, .region-row.selected .icon-btn { visibility: visible; }

#canvas-wrap { position: relative; flex: 1 1 auto; min-width: 0; }
#canvas { position: absolute; inset: 0; touch-action: none; }

#empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.empty-card {
  text-align: center;
  color: var(--text-dim);
  pointer-events: auto;
  background: var(--bg2);
  border: 1.5px dashed var(--border);
  border-radius: 14px;
  padding: 40px 56px;
}
.empty-card h1, .empty-card .empty-title { margin: 12px 0 4px; font-size: 1.25rem; font-weight: 700; color: var(--text); }
.empty-card p { margin: 6px 0; font-size: .92rem; }
.empty-card .fine { font-size: .76rem; opacity: .8; max-width: 320px; }

#demo-banner {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  padding: 7px 10px 7px 16px;
  font-size: .84rem;
  color: var(--text-dim);
  max-width: min(92%, 560px);
}

/* ---- label popup ---- */
#label-popup {
  position: fixed;
  z-index: 60;
  width: 260px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#label-popup input[type="text"], #label-popup textarea {
  font: inherit;
  font-size: .9rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 9px;
  width: 100%;
  resize: vertical;
}
#label-popup input[type="text"]:focus, #label-popup textarea:focus {
  outline: none;
  border-color: var(--accent);
}
#label-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--chip) 55%, var(--border));
  background: color-mix(in srgb, var(--chip) 16%, transparent);
  color: var(--text);
  font: inherit;
  font-size: .78rem;
  padding: 2.5px 9px;
  border-radius: 999px;
  cursor: pointer;
}
.chip:hover { background: color-mix(in srgb, var(--chip) 30%, transparent); }
.popup-row { display: flex; align-items: center; gap: 6px; }
.popup-row .spacer { flex: 1; }
#color-input {
  width: 30px;
  height: 28px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
}

/* ---- export modal ---- */
#export-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(0, 0, 0, .55);
  display: grid;
  place-items: center;
  padding: 24px;
}
#export-card {
  width: min(760px, 100%);
  max-height: 88vh;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#export-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 0;
}
#export-card h2 { margin: 0; font-size: 1.05rem; }
#export-stats { margin: 6px 16px 0; color: var(--text-dim); font-size: .86rem; }
#export-warning {
  margin: 8px 16px 0;
  padding: 8px 12px;
  background: color-mix(in srgb, #f5a623 14%, transparent);
  border: 1px solid color-mix(in srgb, #f5a623 45%, transparent);
  border-radius: 7px;
  font-size: .84rem;
}
#export-tabs { display: flex; gap: 2px; padding: 12px 16px 0; }
#export-tabs button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: .86rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 7px 7px 0 0;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
#export-tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
#export-card pre {
  flex: 1 1 auto;
  overflow: auto;
  margin: 0 16px;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .78rem;
  line-height: 1.5;
  min-height: 200px;
}
#export-card footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px 14px;
}
#export-card footer a { color: var(--text-dim); font-size: .82rem; }
#export-card footer .spacer { flex: 1; }

/* ---- toast ---- */
#toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translate(-50%, 20px);
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  padding: 9px 18px;
  font-size: .86rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 90;
  max-width: 90%;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.error { border-color: var(--danger); }

/* ---- small screens ---- */
@media (max-width: 760px) {
  #panel { display: none; }
  #logo span { display: none; }
}
