:root {
  --bg: #0c1418;
  --surface: #122026;
  --surface-2: #0e191e;
  --surface-3: #16282f;
  --border: #25393f;
  --border-soft: #1d2e34;

  --text: #f0e9da;
  --muted: #9bb0b3;
  --faint: #6f868a;

  --accent: #4a9eff;
  --accent-soft: rgba(74, 158, 255, 0.16);
  --accent-border: #3a7fd0;
  --teal: #3fb6a8;
  --teal-soft: rgba(63, 182, 168, 0.14);

  --pal: #4a9eff;
  --pal-soft: rgba(74, 158, 255, 0.16);
  --boss: #e05545;
  --boss-soft: rgba(224, 85, 69, 0.16);
  --npc: #c98bdb;

  --danger: #e0604f;
  --danger-bg: #3a1f1c;
  --danger-border: #7a342c;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.55);
  --ring: 0 0 0 3px var(--accent-soft);

  --font: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}

#map { position: absolute; inset: 0; }
.leaflet-container { background: #061013; font: inherit; }
.leaflet-control-attribution, .leaflet-control-zoom { display: none !important; }
.map-img {
  image-rendering: auto; image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges; -ms-interpolation-mode: nearest-neighbor;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.leaflet-map-pane, .leaflet-marker-pane { will-change: transform; }
.leaflet-container, .leaflet-grab, .leaflet-dragging .leaflet-container,
.leaflet-dragging .leaflet-grab, .leaflet-interactive { cursor: default !important; }

.toolbar {
  position: fixed; top: 14px; left: 14px; z-index: 1000;
  display: flex; gap: 8px; align-items: center;
  background: rgba(18, 32, 38, 0.92);
  padding: 8px; border: 1px solid var(--border);
  border-radius: var(--radius); backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.btn {
  border: 1px solid var(--border); background: var(--surface-3); color: var(--text);
  padding: 10px 16px; border-radius: var(--radius-sm); cursor: pointer;
  font: inherit; font-weight: 600; font-size: 14px;
  transition: background-color .14s ease, border-color .14s ease, transform .06s ease;
}
.btn:hover { background: #1d343c; border-color: #335058; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent-border); color: #04101f; font-weight: 700; }
.btn.primary:hover { background: #5fb0ff; }
.btn.ghost { padding: 10px 14px; width: 42px; color: var(--muted); }
.btn.ghost:hover { color: var(--text); }
.btn.danger { background: var(--danger-bg); border-color: var(--danger-border); color: #ffd9d3; }
.btn.subtle { background: transparent; border: 1px dashed var(--border); color: var(--muted); width: 100%; }
.btn.subtle:hover { color: var(--text); border-color: var(--teal); background: var(--teal-soft); }

.map-switch {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 1000;
  display: flex; gap: 6px; padding: 6px;
  background: rgba(18, 32, 38, 0.92); border: 1px solid var(--border);
  border-radius: var(--radius); backdrop-filter: blur(10px); box-shadow: var(--shadow);
}
.map-switch-btn {
  border: 1px solid transparent; background: transparent; color: var(--muted);
  padding: 9px 18px; border-radius: var(--radius-sm); cursor: pointer;
  font: inherit; font-weight: 600; font-size: 14px; letter-spacing: .2px;
  transition: background-color .14s ease, color .14s ease, border-color .14s ease;
}
.map-switch-btn:hover { color: var(--text); }
.map-switch-btn.on { background: var(--teal-soft); border-color: var(--teal); color: #cdeee8; }

.spawner-count {
  position: fixed; top: 82px; left: 14px; z-index: 900;
  padding: 6px 10px; border-radius: 8px; color: var(--muted);
  background: rgba(18, 32, 38, .88); border: 1px solid var(--border);
  font: 12px var(--mono); pointer-events: none; transition: top .18s ease;
}

.notice {
  position: fixed; left: 50%; bottom: 72px; z-index: 1800;
  transform: translateX(-50%); max-width: min(520px, calc(100vw - 24px));
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: #12302f; border: 1px solid var(--teal); color: var(--text);
  box-shadow: var(--shadow); font-size: 13px; text-align: center;
}
.notice.error { background: #351d20; border-color: #c85b65; }
.notice[hidden] { display: none; }

.help-box {
  position: fixed; top: 76px; left: 14px; z-index: 999;
  display: none; flex-direction: column; gap: 4px;
  background: rgba(18, 32, 38, 0.92); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 14px; backdrop-filter: blur(10px);
  box-shadow: var(--shadow); max-width: 280px; font-size: 13px; color: var(--muted);
}
.help-box.show { display: flex; }
.help-box strong { color: var(--text); font-size: 13px; margin-bottom: 2px; }
.help-box span::before { content: "\2022"; color: var(--accent); margin-right: 7px; }

.panel {
  position: fixed; right: 14px; top: 14px; z-index: 1000;
  width: clamp(380px, 32vw, 520px);
  max-height: calc(100vh - 28px); overflow-y: auto;
  background: rgba(18, 32, 38, 0.88); border: 1px solid var(--border);
  border-radius: 18px; padding: 20px;
  display: none; box-shadow: var(--shadow);
  backdrop-filter: blur(8px) saturate(1.05);
  -webkit-backdrop-filter: blur(8px) saturate(1.05);
}
.panel::-webkit-scrollbar { width: 10px; }
.panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
.panel h2 { margin: 0 0 16px; font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.panel h3 {
  margin: 20px 0 8px; font-size: 12px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--accent); font-weight: 700;
}
.panel .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.panel label {
  font-size: 12px; color: var(--muted); display: block; margin-top: 14px;
  font-weight: 600; letter-spacing: .2px;
}
.panel input, .panel select, .panel textarea {
  width: 100%; padding: 11px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); font: inherit; font-size: 15px; margin-top: 5px;
}
.panel input:focus, .panel select:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.panel input[type="number"] { font-variant-numeric: tabular-nums; }

.coords-mini {
  display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 4px;
  cursor: pointer;
}
.coords-mini .cm {
  font-family: var(--mono); font-size: 12px; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border-soft);
  border-radius: 8px; padding: 5px 10px; letter-spacing: .3px;
}
.coords-mini .lbl { color: var(--accent); margin-right: 5px; font-weight: 700; }
.coords-mini:hover .cm { border-color: var(--teal); }
.coordinate-input { flex: 1; min-width: 90px; margin: 0 !important; }
.coordinate-input span { color: var(--accent); }
.coordinate-input input { margin-top: 3px !important; padding: 7px 8px !important; }

.rot-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 4px; }
.rot-grid label { margin-top: 0; }
.rot-grid input { margin-top: 4px; }

.entry-box {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; margin: 8px 0; background: var(--surface-2);
}
.entry-box label:first-child { margin-top: 0; }

.seg { display: flex; gap: 8px; margin-top: 6px; }
.seg-btn {
  flex: 1; padding: 12px 0; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--muted);
  font-weight: 700; font-size: 14px; letter-spacing: .3px;
  transition: all .14s ease;
}
.seg-btn:hover { color: var(--text); border-color: #335058; }
.seg-btn.on[data-kind="PAL"]  { background: var(--pal-soft);  border-color: var(--pal);  color: #cfe6ff; }
.seg-btn.on[data-kind="BOSS"] { background: var(--boss-soft); border-color: var(--boss); color: #ffd5cf; }
.seg-btn.on[data-kind="NPC"]  { background: rgba(201, 139, 219, .14); border-color: var(--npc); color: #ecd6f5; }

.tip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 17px; height: 17px; margin-left: 6px; border-radius: 50%;
  background: var(--surface-3); border: 1px solid var(--border);
  color: var(--muted); font-size: 11px; font-weight: 700; cursor: help;
  vertical-align: middle;
}
.tip:hover { color: var(--accent); border-color: var(--accent); }

.icon-btn {
  border: 1px solid var(--border); background: var(--surface-2); color: var(--muted);
  width: 34px; height: 34px; border-radius: var(--radius-sm); cursor: pointer;
  font-size: 18px; line-height: 1; flex: 0 0 auto;
  transition: all .12s ease;
}
.icon-btn:hover { color: #ffd9d3; border-color: var(--danger-border); background: var(--danger-bg); }

.spawn-group {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 14px;
  margin: 12px 0; background: var(--surface-2);
}
.group-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.group-head .group-title { font-weight: 700; font-size: 15px; }
.group-head .weight-lbl { margin: 0; display: inline-flex; align-items: center; }
.group-head .groupWeight { width: 84px; margin-top: 0; }
.group-head .del-group { margin-left: auto; }
.pal-entry { border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 12px; margin: 10px 0; background: var(--surface-3); }
.pal-entry-head { display: flex; align-items: center; gap: 10px; }
.pal-entry-head .pal-picker { flex: 1; }
.add-group { margin-top: 12px; }

.pal-wrap {
  width: 50px; height: 50px; border-radius: 50%;
  border: 3px solid var(--pal); background: var(--pal-soft);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  box-shadow: 0 0 12px rgba(74, 158, 255, 0.4);
}
.pal-wrap img { width: 46px; height: 46px; object-fit: contain; pointer-events: none; }
.pal-wrap.mono { border-color: var(--npc); background: rgba(201, 139, 219, 0.16); box-shadow: 0 0 12px rgba(201, 139, 219, 0.4); }
.pal-wrap.boss { border-color: var(--boss); background: var(--boss-soft); box-shadow: 0 0 14px rgba(224, 85, 69, 0.5); }

.pal-picker { position: relative; width: 100%; }
.pal-picker-btn {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 12px; cursor: pointer; color: var(--text); font-size: 15px;
}
.pal-picker-btn:hover { border-color: #335058; }
.pal-picker-btn img { width: 28px; height: 28px; border-radius: 7px; object-fit: cover; flex: 0 0 auto; }
.pal-picker-btn span { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-align: left; }
.pal-picker-btn input { flex: 1; background: transparent; border: 0; outline: 0; color: var(--text); font: inherit; min-width: 0; }
.pal-picker-btn input::placeholder { color: var(--faint); }
.pal-picker-menu {
  position: absolute; z-index: 3000; left: 0; right: 0; top: 100%;
  max-height: 460px; overflow-y: auto;
  background: rgba(18, 32, 38, 0.96); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px; margin-top: 8px; box-shadow: var(--shadow); display: none;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.pal-picker.open .pal-picker-menu { display: block; }
.pal-picker-menu::-webkit-scrollbar { width: 10px; }
.pal-picker-menu::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
.pal-opt { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--radius-sm); cursor: pointer; font-size: 15px; }
.pal-opt img { width: 32px; height: 32px; border-radius: 7px; object-fit: cover; flex: 0 0 auto; }
.pal-opt[aria-selected="true"] { background: var(--accent-soft); outline: 1px solid var(--accent); }
.pal-opt:hover { background: var(--surface-3); }
.pal-opt.hidden { display: none; }

.coord-readout {
  position: fixed; left: 14px; bottom: 14px; z-index: 1100;
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: rgba(18, 32, 38, 0.92); border: 1px solid var(--border);
  color: var(--text); font: 13px var(--mono);
  backdrop-filter: blur(10px); box-shadow: var(--shadow);
  letter-spacing: .4px; white-space: nowrap;
}
.coord-readout .lbl { color: var(--accent); }

.confirm { position: fixed; inset: 0; z-index: 2000; }
.confirm[hidden] { display: none; }
.confirm-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .5); backdrop-filter: blur(2px); }
.confirm-center { position: fixed; inset: 0; display: grid; place-items: center; }
.cd-card {
  background: rgba(18, 32, 38, 0.9); border: 1px solid var(--border); border-radius: 18px;
  padding: 22px; width: min(440px, calc(100% - 32px)); box-shadow: var(--shadow);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.cd-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.cd-msg { color: var(--muted); margin-bottom: 18px; }
.cd-actions { display: flex; gap: 10px; justify-content: flex-end; }

.terrain-progress {
  position: fixed; left: 12px; bottom: 64px; z-index: 3000;
  min-width: 190px; padding: 8px 12px; pointer-events: none;
  background: rgba(10, 16, 22, .85); border: 1px solid rgba(120, 160, 190, .25);
  border-radius: 8px; color: #cfe3ee; font: 12px/1.4 var(--font);
}
.terrain-progress .tp-track { height: 4px; border-radius: 2px; background: rgba(255, 255, 255, .08); margin-top: 6px; }
.terrain-progress .tp-fill { height: 4px; border-radius: 2px; background: var(--accent); width: 0%; }

.credit {
  position: fixed; right: 14px; bottom: 14px; z-index: 1100;
  display: flex; gap: 8px; align-items: center; padding: 10px 14px;
  background: rgba(18, 32, 38, 0.92); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--muted); font-size: 13px;
  backdrop-filter: blur(10px); box-shadow: var(--shadow);
  white-space: nowrap; transition: opacity .15s ease, transform .15s ease;
}
.credit a { color: var(--accent); text-decoration: none; font-weight: 600; }
.credit a:hover { text-decoration: underline; }
.credit .dot { opacity: .6; }
.credit.minimized { opacity: 0; transform: scale(0.95); pointer-events: none; }

@media (max-width: 900px) {
  .panel { width: clamp(340px, 42vw, 460px); }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .panel {
    left: 0; right: 0; bottom: 0; top: auto;
    width: 100%; max-height: calc(100dvh - 8px); overflow: auto;
    border-radius: 20px 20px 0 0; padding: 18px 16px 28px;
    border-left: 0; border-right: 0; border-bottom: 0;
  }
  .editor-open .toolbar,
  .editor-open .map-switch,
  .editor-open .help-box,
  .editor-open .coord-readout,
  .editor-open .credit,
  .editor-open .spawner-count { display: none; }
  .toolbar { left: 10px; right: 10px; top: 10px; }
  .map-switch { top: 86px; }
  .help-box { left: 10px; right: 10px; max-width: none; top: 174px; }
  .spawner-count { left: 10px; }
  .credit {
    left: 10px; right: 10px; bottom: 10px; justify-content: center;
    font-size: 12px;
  }
  .coord-readout { left: 10px; bottom: 64px; font-size: 12px; }
  .pal-picker-menu { border-radius: var(--radius-sm); }

  .btn { padding: 12px 16px; }
  .seg-btn { padding: 14px 0; }
  .icon-btn { width: 40px; height: 40px; }
}

@media (max-width: 380px) {
  .panel .row { grid-template-columns: 1fr; }
}