#app {
  grid-template-columns: minmax(0, 1fr) !important;
}

.panel {
  display: none !important;
}

.hud-menu .hud-group-title {
  margin: 0 0 6px 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.82;
}

.hud-menu .hud-stack {
  display: grid;
  gap: 8px;
}

.hud-menu .hud-field {
  display: grid;
  gap: 4px;
  font-size: 12px;
}

.hud-menu .hud-field input[type="range"],
.hud-menu .hud-field select {
  width: 100%;
}

.hud-menu .hud-field select {
  color: #101624;
  background: #ffffff;
  border: 1px solid #7f8faa;
}

.hud-menu .hud-field select option {
  color: #101624;
  background: #ffffff;
}

.hud-menu .hud-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.hud-menu .hud-inline {
  display: flex;
  gap: 8px;
  align-items: center;
}

.hud-menu .hud-inline input[type="color"] {
  width: 38px;
  height: 26px;
  padding: 0;
  border: 0;
  background: transparent;
}

.hud-menu .hud-btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.hud-menu .hud-menu-btn {
  width: 100%;
}

.hud-menu .hud-prompt {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid rgba(115, 170, 215, 0.5);
  border-radius: 10px;
  background: rgba(13, 21, 34, 0.62);
  color: #edf4ff;
  font-size: 12px;
  line-height: 1.3;
}

.hud-menu .hud-timer-actions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.hud-btn.import input[type="file"] {
  display: none;
}

.viewport-bottom-presets {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 35;
  pointer-events: auto;
}

.viewport-nav-help {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 35;
  max-width: 320px;
  padding: 10px 12px;
  border: 1px solid rgba(115, 170, 215, 0.5);
  border-radius: 10px;
  background: rgba(9, 16, 28, 0.72);
  color: #e8f1ff;
  font-size: 11px;
  line-height: 1.35;
  letter-spacing: 0.03em;
  backdrop-filter: blur(2px);
  pointer-events: none;
}

.viewport-nav-help strong {
  display: block;
  margin-bottom: 4px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.9;
}

.viewport-course-links {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 35;
  display: flex;
  gap: 8px;
  pointer-events: auto;
}