:root {
  --bg: #04050a;
  --ink: #e8ecf6;
  --dim: #8b93a8;
  --muted: #4a5266;
  --cyan: #5ce1ff;
  --line: rgba(255,255,255,0.08);
  --panel: rgba(8,10,16,0.72);
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); }
body { overflow: hidden; }

.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: var(--bg);
}

#fly {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.tooltip {
  position: fixed;
  z-index: 8;
  pointer-events: none;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(6,8,14,0.88);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 0.04em;
  max-width: 220px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
}
.tooltip strong {
  display: block;
  color: var(--cyan);
  font-weight: 500;
  font-size: 13px;
  margin-bottom: 2px;
}
.tooltip span { opacity: 0.85; line-height: 1.4; }

.ask {
  position: absolute;
  left: 50%;
  bottom: 56px;
  transform: translateX(-50%);
  width: min(640px, calc(100vw - 32px));
  display: flex;
  gap: 8px;
  align-items: flex-end;
  z-index: 5;
  padding: 10px 12px;
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.ask textarea {
  flex: 1;
  resize: none;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font: 400 16px/1.45 var(--sans);
  max-height: 120px;
  padding: 6px 4px;
}
.ask textarea::placeholder { color: var(--muted); }
.go {
  flex-shrink: 0;
  border: 1px solid rgba(92,225,255,0.35);
  background: rgba(92,225,255,0.08);
  color: var(--cyan);
  font: 500 14px var(--sans);
  letter-spacing: 0.08em;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
}
.go:hover { background: rgba(92,225,255,0.16); }
.go:disabled { opacity: 0.4; cursor: wait; }

.status {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  font-size: 13px;
  color: var(--dim);
  letter-spacing: 0.12em;
  text-align: center;
  min-height: 1.2em;
  pointer-events: none;
  text-shadow: 0 0 20px rgba(0,0,0,0.8);
}

.reading {
  position: absolute;
  right: max(20px, 4vw);
  top: 50%;
  transform: translateY(-50%);
  width: min(360px, 42vw);
  z-index: 6;
  padding: 22px 24px 18px;
  border-radius: 14px;
  background: rgba(6,8,14,0.78);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  animation: fadeIn 0.7s ease;
}
.reading[hidden] { display: none; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-46%); }
  to { opacity: 1; transform: translateY(-50%); }
}
.reading .choice {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.06em;
}
.reading .memory {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--dim);
  line-height: 1.55;
}
.reading .body {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--ink);
}
.reading .honest {
  margin: 0 0 12px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.45;
}
.ghost {
  border: 0;
  background: transparent;
  color: var(--dim);
  font: 400 12px var(--sans);
  cursor: pointer;
  padding: 4px 0;
}
.ghost:hover { color: var(--ink); }
.ghost.tiny { font-size: 11px; letter-spacing: 0.06em; }

.foot {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 10px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  color: var(--muted);
}
.foot .dim { flex: 1; font-family: var(--mono); opacity: 0.7; }
.more { position: relative; }
.more summary {
  list-style: none;
  cursor: pointer;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.more summary::-webkit-details-marker { display: none; }
.more-body {
  position: absolute;
  right: 0;
  bottom: 22px;
  width: min(340px, 90vw);
  padding: 12px;
  border-radius: 10px;
  background: rgba(8,10,16,0.92);
  border: 1px solid var(--line);
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
}
.more-body div { display: grid; gap: 2px; }
.more-body span { color: var(--muted); }
.more-body code {
  word-break: break-all;
  white-space: pre-wrap;
  color: var(--ink);
  font-size: 10px;
}
.roam-mini {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.roam-mini img {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--line);
  opacity: 0.7;
  background: #000;
}
.roam-mini a { color: var(--cyan); text-decoration: none; }

@media (max-width: 720px) {
  .reading {
    right: 12px;
    left: 12px;
    width: auto;
    top: auto;
    bottom: 120px;
    transform: none;
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
  }
  .ask { bottom: 44px; }
}