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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

header {
  text-align: center;
  color: white;
  margin-bottom: 40px;
}

header h1 {
  font-size: 3rem;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

.panel {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.status-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.status-card {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 25px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.status-label {
  font-size: 0.9rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.status-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: #333;
}

.status-value.active {
  color: #4caf50;
}

.status-value.inactive {
  color: #999;
}

.controls {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.btn {
  flex: 1;
  min-width: 200px;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.btn:active {
  transform: translateY(0);
}

.btn-on {
  background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
  color: white;
}

.btn-off {
  background: linear-gradient(135deg, #f44336 0%, #da190b 100%);
  color: white;
}

.video-section {
  margin-top: 30px;
}

.video-section h2 {
  color: #333;
  margin-bottom: 15px;
}

.video-container {
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
}

.video-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

footer {
  margin-top: 20px;
  text-align: center;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.connection-status {
  padding: 8px 20px;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-weight: 600;
}

#last-update {
  font-size: 0.9rem;
  opacity: 0.8;
}

@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }
  
  .status-value {
    font-size: 2rem;
  }
  
  .btn {
    min-width: 100%;
  }
}