.biometric-video-container {
  position: relative;
  overflow: hidden !important;
  border-radius: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  background: #000;
  height: 80vh; /* Default desktop height */
  max-height: 800px;
}

.biometric-overlay-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding-top: 4rem; /* Buffer for top control buttons */
  pointer-events: none;
  display: flex;
  flex-direction: column;
  z-index: 10;
}
.camera-container {
  position: relative;
  background: #000;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.face-frame-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.face-frame-oval {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 45vmin;
  height: 60vmin;
  border: 4px solid rgba(255, 255, 255, 0.8);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  box-shadow:
    0 0 0 9999px rgba(0, 0, 0, 0.6),
    0 0 20px rgba(255, 255, 255, 0.3);
  animation: pulse 2s ease-in-out infinite;
  z-index: 5;
  transition: all 0.3s ease;
}

@keyframes pulse {
  0%,
  100% {
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow:
      0 0 0 9999px rgba(0, 0, 0, 0.5),
      0 0 20px rgba(255, 255, 255, 0.3);
  }
  50% {
    border-color: rgba(37, 99, 235, 0.9);
    box-shadow:
      0 0 0 9999px rgba(0, 0, 0, 0.5),
      0 0 30px rgba(37, 99, 235, 0.5);
  }
}

.laser-scan {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, transparent, #2563eb, transparent);
  box-shadow: 0 0 10px #2563eb;
  z-index: 15;
  animation: scan 3s linear infinite;
  pointer-events: none;
}

@keyframes scan {
  0% { top: 10%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 90%; opacity: 0; }
}

.face-frame-instructions {
  margin-top: 20px;
  text-align: center;
  color: white;
  background: rgba(0, 0, 0, 0.7);
  padding: 10px 20px;
  border-radius: 8px;
}

.face-frame-instructions p {
  margin: 0;
  font-size: 14px;
}

.face-frame-instructions small {
  font-size: 12px;
  opacity: 0.9;
}

.validation-status {
  z-index: 20;
  max-width: 300px;
}

.alert-sm {
  font-size: 0.875rem;
  padding: 0.5rem;
  margin-bottom: 0.5rem;
}

.validation-icons {
  background: rgba(0, 0, 0, 0.7);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.validation-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: white;
  font-size: 0.85rem;
}

.validation-item.valid {
  color: #4caf50;
}

.validation-item.valid i {
  color: #4caf50;
}

.validation-item.invalid {
  color: #ff9800;
}

.validation-item.invalid i {
  color: #ff9800;
}

/* Responsive adjustments */
@media (max-width: 992px) {

  .validation-status {
    max-width: 100%;
    margin: 10px;
  }
}

@media (max-width: 991px) {
  .camera-container, 
  .biometric-video-container {
    height: 100dvh !important; /* Use dynamic viewport height */
    min-height: -webkit-fill-available;
    border-radius: 0 !important;
    max-height: 100dvh !important;
  }

  .face-frame-oval {
    margin-top: -80px; /* Shift up to make room for bottom controls on mobile */
  }

  /* Make the camera modal fully immersive */
  .modal-dialog.modal-fullscreen-sm-down,
  .modal-dialog.modal-fullscreen {
    margin: 0 !important;
    height: 100dvh !important;
    max-width: 100% !important;
  }
  
  .modal-content.bg-transparent {
      height: 100dvh !important;
  }

  .instruction-box {
    bottom: 160px !important; /* Above the big bottom buttons */
    width: 90% !important;
    padding: 0.75rem !important;
    font-size: 0.9rem;
  }

  .biometric-overlay-layer {
      padding: 1rem !important;
      padding-top: 4.5rem !important;
  }

  .biometric-status-card {
      max-width: 180px !important;
      transform: scale(0.85);
      transform-origin: top left;
  }

  .biometric-badge {
      padding: 0.35rem 0.6rem !important;
      font-size: 0.6rem !important;
      transform: scale(0.85);
      transform-origin: top right;
  }
  
  /* Mobile-specific footer layout within the container */
  .biometric-footer-mobile {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 1.5rem;
      padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
      background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.7) 60%, transparent 100%);
      z-index: 100;
  }

  .biometric-footer-mobile .btn {
      padding-top: 1rem !important;
      padding-bottom: 1rem !important;
      font-size: 1.1rem !important;
  }
}

/* Premium Shutter Button */
.shutter-button-container {
    position: absolute;
    bottom: 2rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 150;
    pointer-events: none;
}

.shutter-button {
    width: 72px;
    height: 72px;
    background: white;
    border-radius: 50%;
    padding: 4px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: auto;
    position: relative;
    outline: none;
}

.shutter-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 58px;
    height: 58px;
    background: #2563eb;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.shutter-button:active {
    transform: scale(0.92);
}

.shutter-button:active::after {
    width: 48px;
    height: 48px;
}

.shutter-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: #e5e7eb;
}

.shutter-button:disabled::after {
    background: #9ca3af;
}

/* Flash Effect */
.camera-flash {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
}

.camera-flash.active {
    animation: flash-anim 0.4s ease-out;
}

@keyframes flash-anim {
    0% { opacity: 0; }
    20% { opacity: 1; }
    100% { opacity: 0; }
}

/* Compact Control Buttons */
.camera-controls-top {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.75rem;
    z-index: 150;
}

.camera-btn-secondary {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.camera-btn-secondary:active {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(0.9);
}