/* =========================================================
   PrintWire 3D Model Viewer — model-viewer.css
   ========================================================= */

.pw-model-viewer-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: var(--mv-bg, #1a1a2e);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ── Canvas ─────────────────────────────────────────────── */
.pw-model-viewer-wrap canvas {
  display: block;
  width: 100% !important;
  outline: none;
}

/* ── Loading overlay ─────────────────────────────────────── */
.mv-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--mv-bg, #1a1a2e);
  z-index: 10;
  transition: opacity 0.4s ease;
}
.mv-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.mv-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: #6c63ff;
  border-radius: 50%;
  animation: mv-spin 0.9s linear infinite;
}

@keyframes mv-spin {
  to { transform: rotate(360deg); }
}

.mv-loader-text {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  letter-spacing: 0.05em;
}

.mv-progress-bar {
  width: 180px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
}
.mv-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6c63ff, #a78bfa);
  border-radius: 999px;
  width: 0%;
  transition: width 0.2s ease;
}

/* ── Controls toolbar ────────────────────────────────────── */
.mv-toolbar {
  position: absolute;
  bottom: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 5;
}

.mv-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  padding: 0;
  font-size: 16px;
  line-height: 1;
}
.mv-btn:hover {
  background: rgba(108, 99, 255, 0.7);
  border-color: rgba(108, 99, 255, 0.9);
  color: #fff;
}
.mv-btn.active {
  background: rgba(108, 99, 255, 0.55);
  border-color: rgba(108, 99, 255, 0.8);
  color: #fff;
}
.mv-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Info badge ──────────────────────────────────────────── */
.mv-badge {
  position: absolute;
  top: 12px;
  left: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
  z-index: 5;
}

/* ── Light-mode overrides ────────────────────────────────── */
@media (prefers-color-scheme: light) {
  .pw-model-viewer-wrap[data-theme="auto"] {
    --mv-bg: #f0f0f8;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  }
  .pw-model-viewer-wrap[data-theme="auto"] .mv-loader {
    background: #f0f0f8;
  }
  .pw-model-viewer-wrap[data-theme="auto"] .mv-loader-text {
    color: rgba(0, 0, 0, 0.4);
  }
  .pw-model-viewer-wrap[data-theme="auto"] .mv-badge {
    background: rgba(240, 240, 248, 0.85);
    color: rgba(0, 0, 0, 0.45);
  }
}

/* ── Fullscreen ──────────────────────────────────────────── */
.pw-model-viewer-wrap:fullscreen,
.pw-model-viewer-wrap:-webkit-full-screen {
  border-radius: 0;
  width: 100vw;
  height: 100vh;
}
.pw-model-viewer-wrap:fullscreen canvas,
.pw-model-viewer-wrap:-webkit-full-screen canvas {
  height: 100vh !important;
}

/* ── Tooltip ─────────────────────────────────────────────── */
.mv-btn[title]:hover::after {
  content: attr(title);
  position: absolute;
  right: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  pointer-events: none;
}
.mv-toolbar {
  position: absolute;
}
.mv-btn {
  position: relative;
}