/**
 * CallRoom CSS
 * Voice/video call interface styling
 */

.call-room {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #0a0e17;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.call-room.loading {
  align-items: center;
  justify-content: center;
}

.call-loading-content {
  text-align: center;
  color: #b5bac1;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 217, 255, 0.2);
  border-top: 4px solid #00d9ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Call header */
.call-header {
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(0, 217, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.call-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.call-info h2 {
  margin: 0;
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 600;
}

.participant-count {
  background: rgba(0, 217, 255, 0.1);
  color: #00d9ff;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
}

.call-duration {
  color: #72767d;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
}

/* Video grid */
.call-video-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  overflow-y: auto;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 217, 255, 0.05) 100%);
}

.participant-video {
  position: relative;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 250px;
}

.participant-video.empty {
  grid-column: 1 / -1;
  opacity: 0.5;
}

.participant-name {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 10;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.video-placeholder {
  color: #72767d;
  text-align: center;
  padding: 1rem;
}

/* Control bar */
.call-controls {
  padding: 1rem;
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid rgba(0, 217, 255, 0.1);
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.control-btn {
  padding: 0.75rem 1.5rem;
  border: 1px solid rgba(0, 217, 255, 0.3);
  background: rgba(0, 217, 255, 0.1);
  color: #00d9ff;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-btn:hover {
  background: rgba(0, 217, 255, 0.2);
  border-color: rgba(0, 217, 255, 0.5);
  transform: translateY(-2px);
}

.control-btn.active {
  background: rgba(114, 137, 218, 0.3);
  border-color: #7289da;
  color: #7289da;
}

.control-btn.inactive {
  background: rgba(244, 54, 54, 0.1);
  border-color: rgba(244, 54, 54, 0.3);
  color: #f43636;
}

.control-btn.end-call {
  background: rgba(244, 54, 54, 0.2);
  border-color: #f43636;
  color: #ffffff;
}

.control-btn.end-call:hover {
  background: rgba(244, 54, 54, 0.3);
  box-shadow: 0 0 16px rgba(244, 54, 54, 0.3);
}

/* Error message */
.call-error {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: rgba(244, 54, 54, 0.1);
  border: 1px solid #f43636;
  border-radius: 8px;
  padding: 1rem;
  color: #ffffff;
  z-index: 1000;
  max-width: 400px;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.call-error p {
  margin: 0 0 0.75rem 0;
  color: #f43636;
}

.call-error button {
  background: #f43636;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: background 0.2s;
}

.call-error button:hover {
  background: #d63030;
}

/* Responsive */
@media (max-width: 768px) {
  .call-video-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 0.75rem;
  }

  .call-info {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .call-info h2 {
    font-size: 1.125rem;
  }

  .control-btn {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }

  .call-controls {
    padding: 0.75rem;
    gap: 0.5rem;
  }

  .participant-video {
    min-height: 200px;
  }
}

@media (max-width: 480px) {
  .call-room {
    border-radius: 0;
  }

  .call-info {
    gap: 0.5rem;
  }

  .call-info h2 {
    font-size: 1rem;
  }

  .participant-count,
  .call-duration {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
  }

  .control-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .participant-video {
    min-height: 150px;
  }

  .call-error {
    bottom: 0.5rem;
    right: 0.5rem;
    left: 0.5rem;
    max-width: 100%;
  }
}