* {
  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;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 600px;
  padding: 20px;
}

.welcome-card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header {
  text-align: center;
  margin-bottom: 20px;
}

.header i {
  font-size: 48px;
  color: #667eea;
  margin-bottom: 10px;
}

.header h1 {
  font-size: 32px;
  color: #333;
  margin: 10px 0;
}

.subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 30px;
  font-size: 16px;
}

.room-section {
  margin: 30px 0;
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.input-group input {
  flex: 1;
  padding: 15px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 16px;
  transition: border-color 0.3s;
}

.input-group input:focus {
  outline: none;
  border-color: #667eea;
}

.btn {
  padding: 15px 30px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.info-text {
  text-align: center;
  color: #888;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.features {
  display: flex;
  justify-content: space-around;
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid #e0e0e0;
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: #666;
  font-size: 14px;
}

.feature i {
  font-size: 24px;
  color: #667eea;
}

/* Room Page Styles */
.room-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #1a1a1a;
}

.room-header {
  background: #2d2d2d;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.room-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.room-info h2 {
  color: white;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

#room-id-display {
  color: #667eea;
  font-family: monospace;
}

.btn-small {
  padding: 8px 16px;
  font-size: 14px;
  background: #444;
  color: white;
}

.btn-small:hover {
  background: #555;
}

.controls {
  display: flex;
  gap: 10px;
}

.btn-control {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #444;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.btn-control:hover {
  background: #555;
  transform: scale(1.1);
}

.btn-control.disabled {
  background: #d32f2f;
}

.btn-control.active {
  background: #667eea;
}

.btn-danger {
  background: #d32f2f;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.btn-danger:hover {
  background: #b71c1c;
  transform: scale(1.1);
}

.videos-container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 20px;
  overflow: hidden;
}

@media (max-width: 768px) {
  .videos-container {
    grid-template-columns: 1fr;
  }
}

.video-wrapper {
  position: relative;
  background: #000;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

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

.video-label {
  position: absolute;
  bottom: 15px;
  left: 15px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.waiting-message {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  background: rgba(0, 0, 0, 0.8);
  gap: 15px;
}

.waiting-message i {
  font-size: 48px;
  color: #667eea;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.waiting-message p {
  font-size: 18px;
}

.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #323232;
  color: white;
  padding: 15px 25px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
  pointer-events: none;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.success {
  background: #4caf50;
}

.toast.error {
  background: #f44336;
}