* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  overflow: hidden;
}

.container {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.camera-container {
  position: relative;
  width: 90vw;
  max-width: 800px;
  height: 60vh;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

#video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.controls {
  margin-top: 30px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  padding: 15px 30px;
  border: none;
  border-radius: 50px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
  background: linear-gradient(45deg, #ff6b6b, #ffa726);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-danger {
  background: linear-gradient(45deg, #e74c3c, #c0392b);
  color: white;
}

.btn-secondary {
  background: linear-gradient(45deg, #74b9ff, #0984e3);
  color: white;
}

.status {
  margin-top: 20px;
  text-align: center;
}

.status-indicator {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
  background: #95a5a6;
  animation: pulse 2s infinite;
}

.status-indicator.active {
  background: #2ecc71;
}

.status-indicator.detecting {
  background: #f39c12;
}

.status-indicator.alert {
  background: #e74c3c;
  animation: blink 0.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.alert-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(231, 76, 60, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: alertFlash 0.5s infinite;
}

.alert-text {
  font-size: 48px;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

@keyframes alertFlash {
  0%,
  100% {
    opacity: 0.8;
  }

  50% {
    opacity: 0.4;
  }
}

.confidence-bar {
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.2);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  display: none;
}

.confidence-fill {
  height: 100%;
  background: linear-gradient(90deg, #2ecc71, #f39c12, #e74c3c);
  width: 0%;
  transition: width 0.3s ease;
}