:root{
  --bg:#0b0f14;
  --panel:#111823;
  --panel2:#0f1620;
  --text:#d6e2ff;
  --muted:#93a7c8;
  --line:rgba(255,255,255,.08);
  --btn:#1a2433;
  --btn2:#233149;
  --danger:#b83b3b;
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --radius:14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1200px 600px at 20% 10%, rgba(90,140,255,.12), transparent 60%),
              radial-gradient(900px 500px at 80% 20%, rgba(255,120,140,.10), transparent 55%),
              var(--bg);
  color:var(--text);
  font-family:var(--mono);
  overflow:hidden;
}

.topbar{
  position:fixed;
  top:0; left:0; right:0;
  padding: calc(env(safe-area-inset-top) + 10px) 12px 10px 12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background: linear-gradient(to bottom, rgba(10,14,20,.92), rgba(10,14,20,.60));
  border-bottom:1px solid var(--line);
  z-index:20;
  backdrop-filter: blur(10px);
}

.brand{display:flex; align-items:flex-start; gap:10px; min-width:0}
.dot{
  width:10px; height:10px; border-radius:999px;
  background:#34ff8d; margin-top:6px;
  box-shadow:0 0 18px rgba(52,255,141,.35);
}
.brandtext{min-width:0}
.title{font-weight:800; letter-spacing:.5px}
.subtitle{
  font-size:12px;
  color:var(--muted);
  margin-top:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width: 52vw;
}

.actions{display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end}

.btn{
  appearance:none;
  border:1px solid var(--line);
  background:linear-gradient(to bottom, var(--btn2), var(--btn));
  color:var(--text);
  padding:10px 12px;
  border-radius:12px;
  font-family:var(--mono);
  font-size:13px;
  cursor:pointer;
  user-select:none;
  -webkit-tap-highlight-color: transparent;
}
.btn:active{transform:translateY(1px)}
.btn.danger{background:linear-gradient(to bottom, #d05555, var(--danger)); border-color:rgba(255,255,255,.12)}
.iconBtn{
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  color:var(--text);
  width:38px; height:38px;
  border-radius:12px;
  cursor:pointer;
  font-family:var(--mono);
}
.iconBtn:active{transform:translateY(1px)}

.stageWrap{
  position:fixed;
  top:0; left:0; right:0; bottom:0;
  padding-top: calc(env(safe-area-inset-top) + 62px);
}

.stage{
  position:absolute;
  inset: calc(env(safe-area-inset-top) + 62px) 0 0 0;
  overflow:hidden;
  touch-action:none;
}

.world{
  position:absolute;
  left:0; top:0;
  width:3000px;
  height:2000px;
  transform-origin: 0 0;
  will-change: transform;
}

.note{
  position:absolute;
  width:240px;
  height:132px;
  border-radius:16px;
  border:1px solid rgba(0,0,0,.35);
  box-shadow: 0 12px 35px rgba(0,0,0,.35);
  overflow:hidden;
  user-select:none;
  touch-action:none;
}

.noteInner{
  height:100%;
  padding:12px 12px;
  display:flex;
  flex-direction:column;
  gap:8px;
}

.noteTop{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  opacity:.9;
  font-size:11px;
  color:rgba(0,0,0,.72);
}

.pill{
  background:rgba(255,255,255,.55);
  border:1px solid rgba(0,0,0,.10);
  padding:4px 8px;
  border-radius:999px;
  font-size:11px;
}

.noteText{
  white-space:pre-wrap;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  font-size:13px;
  line-height:1.25;
  color:rgba(0,0,0,.84);
  flex:1;
}

.note1{background:#ffeab2}
.note2{background:#c8f0ff}
.note3{background:#d7ffd0}

.toast{
  position:fixed;
  left:50%;
  transform:translateX(-50%);
  bottom: calc(env(safe-area-inset-bottom) + 16px);
  background: rgba(0,0,0,.72);
  border:1px solid rgba(255,255,255,.10);
  padding:10px 12px;
  border-radius:12px;
  box-shadow: var(--shadow);
  z-index:50;
  max-width:min(92vw, 540px);
  font-size:13px;
}

.modal{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  z-index:60;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  padding: 16px 12px calc(env(safe-area-inset-bottom) + 14px) 12px;
}

.sheet{
  width:min(720px, 100%);
  background: linear-gradient(to bottom, rgba(20,28,40,.98), rgba(14,20,30,.98));
  border:1px solid rgba(255,255,255,.10);
  border-radius:18px;
  box-shadow: var(--shadow);
  padding:12px;
}

.sheetHead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.sheetTitle{font-weight:800}
.editArea{
  width:100%;
  min-height:140px;
  resize:none;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.22);
  color:var(--text);
  padding:12px;
  font-family:var(--mono);
  font-size:14px;
  outline:none;
}
.row{display:flex; align-items:center; gap:10px; margin-top:10px}
.label{color:var(--muted); font-size:12px}
.select{
  flex:1;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.22);
  color:var(--text);
  padding:10px 10px;
  font-family:var(--mono);
}
.sheetActions{
  display:flex;
  gap:10px;
  margin-top:12px;
  align-items:center;
}
.spacer{flex:1}
.hint{
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
}

@media (max-width:520px){
  .subtitle{max-width: 48vw}
  .btn{padding:10px 10px}
}