/* ============================================= */
/* BN RTG Zębów Panoramiczne - Dedykowane style  */
/* Overlay, spinner, progress, error, results     */
/* ============================================= */

/* Loading overlay */
.bn-analysis-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
}
.bn-analysis-overlay.active {
  display: flex;
}
.bn-analysis-loader {
  background: #fff;
  border-radius: 24px;
  padding: 40px 50px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.3);
  max-width: 420px;
}
.bn-analysis-loader h3 {
  font-size: 1.3rem;
  color: #1e2a55;
  margin-bottom: 10px;
}
.bn-analysis-loader p {
  font-size: 0.95rem;
  color: #64748b;
  margin-bottom: 20px;
}

/* Spinner */
.bn-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #e3e9ff;
  border-top-color: #4c63ff;
  border-radius: 50%;
  animation: bnSpin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes bnSpin {
  to { transform: rotate(360deg); }
}

/* Progress bar */
.bn-progress-bar {
  width: 100%;
  height: 6px;
  background: #e3e9ff;
  border-radius: 3px;
  overflow: hidden;
}
.bn-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #4c63ff, #16a34a);
  border-radius: 3px;
  width: 0%;
  transition: width 0.5s ease;
}

/* Error message */
.bn-error-message {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 16px;
  padding: 20px 24px;
  margin-top: 20px;
  display: none;
}
.bn-error-message h4 {
  color: #dc2626;
  margin: 0 0 8px;
}
.bn-error-message p {
  color: #991b1b;
  margin: 0;
  font-size: 0.95rem;
}

/* Results area */
.bn-results-area {
  display: none;
  margin-top: 30px;
}