:root {
  --bg:
    radial-gradient(circle at top, #1f3a52 0%, #09111b 58%, #03070d 100%);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  background: #03070d;
}

body {
  min-height: 100vh;
}

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

.viewer-host {
  position: absolute;
  inset: 0;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.viewer-host.is-dragging {
  cursor: grabbing;
}

.model-arrow {
  position: absolute;
  top: 50%;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(8, 12, 20, 0.62);
  color: #f4f7fb;
  font: 400 2rem/1 "Segoe UI", Tahoma, sans-serif;
  transform: translateY(-50%);
  cursor: pointer;
  backdrop-filter: blur(12px);
  z-index: 2;
}

.model-arrow--left {
  left: 16px;
}

.model-arrow--right {
  right: 392px;
}

.param-panel {
  position: absolute;
  top: 16px;
  right: 16px;
  width: min(360px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(8, 12, 20, 0.82);
  backdrop-filter: blur(14px);
  color: #f4f7fb;
  z-index: 2;
}

.param-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.param-panel__header h2 {
  margin: 0;
  font: 600 1rem/1.2 "Segoe UI", Tahoma, sans-serif;
}

.model-name {
  margin: 4px 0 0;
  color: rgba(244, 247, 251, 0.72);
  font: 400 0.78rem/1.2 "Segoe UI", Tahoma, sans-serif;
  word-break: break-word;
}

.param-panel__header button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.06);
  color: #f4f7fb;
  cursor: pointer;
}

.param-search {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.06);
  color: #f4f7fb;
}

.tracking-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tracking-bar button {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.06);
  color: #f4f7fb;
  cursor: pointer;
}

.tracking-status {
  color: #9ce8be;
  font: 600 0.8rem/1.2 "Segoe UI", Tahoma, sans-serif;
}

.tracking-video {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.35);
}

.param-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: auto;
  padding-right: 4px;
}

.param-item {
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
}

.param-id {
  margin: 0 0 8px;
  font: 600 0.85rem/1.3 Consolas, "Courier New", monospace;
  color: #fff5cf;
  word-break: break-word;
}

.param-meta {
  margin: 0 0 8px;
  font: 400 0.78rem/1.3 "Segoe UI", Tahoma, sans-serif;
  color: rgba(244, 247, 251, 0.72);
}

.param-live {
  margin: 0 0 8px;
  font: 600 0.78rem/1.3 "Segoe UI", Tahoma, sans-serif;
  color: #9ce8be;
}

.param-controls {
  display: grid;
  grid-template-columns: 1fr 92px;
  gap: 10px;
  align-items: center;
}

.param-controls input[type="range"] {
  width: 100%;
}

.param-controls input[type="number"] {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.06);
  color: #f4f7fb;
}

.param-empty {
  margin: 0;
  color: rgba(244, 247, 251, 0.72);
  font: 400 0.85rem/1.4 "Segoe UI", Tahoma, sans-serif;
}

#oml2d-statusBar,
#oml2d-menus,
#oml2d-tips,
#oml2d-icon-svg {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

@media (max-width: 700px) {
  .param-panel {
    top: auto;
    right: 8px;
    bottom: 8px;
    left: 8px;
    width: auto;
    max-height: 45vh;
  }

  .model-arrow--left {
    left: 8px;
  }

  .model-arrow--right {
    right: 8px;
    top: 44%;
  }
}