* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #080808; }

#canvas { position: absolute; inset: 0; }
#overlay { position: absolute; inset: 0; pointer-events: none; }

.mood-label {
  position: absolute;
  left: 50%;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 4rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: #ffffff;
  line-height: 1;
  text-align: center;
  pointer-events: none;
  white-space: nowrap;
  transform: translate(-50%, -100%);
  transition: opacity 0.5s ease;
}
#mood-label-a { opacity: 1; }
#mood-label-b { opacity: 0; }

.ann-box {
  position: absolute;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 10px;
  pointer-events: none;
  min-width: 140px;
  transition: border-color 0.3s ease;
}
.ann-box span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  display: block;
  line-height: 1.6;
  white-space: nowrap;
}
.ann-box span.dim { color: rgba(255,255,255,0.3); }

#leaders { position: absolute; inset: 0; pointer-events: none; overflow: visible; }

#timestamp {
  position: fixed; bottom: 16px; left: 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; color: rgba(255,255,255,0.3);
  pointer-events: none; z-index: 10;
}
.ctrl-btn {
  position: fixed;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; color: rgba(255,255,255,0.4);
  background: none; border: none; cursor: pointer;
  z-index: 10; letter-spacing: 0;
}
.ctrl-btn:hover { color: rgba(255,255,255,0.75); }
.ctrl-btn.active { color: rgba(255,255,255,0.75); }
#refresh-btn { bottom: 16px; right: 16px; }
#chart-btn   { bottom: 16px; right: 88px; }
#info-btn    { bottom: 16px; right: 160px; }

#info-modal {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  align-items: center; justify-content: center;
}
#info-modal.visible { display: flex; }
#info-content {
  position: relative;
  max-width: 520px; width: calc(100% - 48px);
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(8,8,8,0.96);
  padding: 32px 32px 28px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px; line-height: 1.75;
  color: rgba(255,255,255,0.55);
}
#info-content p + p { margin-top: 16px; }
#info-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; cursor: pointer;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; color: rgba(255,255,255,0.3);
}
#info-close:hover { color: rgba(255,255,255,0.7); }

#tooltip {
  position: fixed;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; color: rgba(255,255,255,0.55);
  pointer-events: none; display: none; z-index: 20;
}

#tweaks-panel {
  display: none; position: fixed;
  bottom: 48px; right: 16px; width: 210px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(8,8,8,0.94);
  padding: 14px 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; color: rgba(255,255,255,0.5);
  z-index: 100;
}
#tweaks-panel.visible { display: block; }
#tweaks-panel h4 {
  font-size: 9px; text-transform: uppercase;
  letter-spacing: 0.1em; color: rgba(255,255,255,0.3);
  margin-bottom: 12px;
}
.tw-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 9px; }
.tw-row label { font-size: 9px; color: rgba(255,255,255,0.38); }
.tw-row select {
  background: transparent; border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6); font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; padding: 2px 4px; cursor: pointer;
}
.tw-row select option { background: #111; }
.tw-row input[type=range] { width: 88px; cursor: pointer; accent-color: rgba(255,255,255,0.4); }
.tw-row input[type=checkbox] { cursor: pointer; accent-color: rgba(255,255,255,0.4); }