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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f0f2f5;
  color: #1a1a1a;
  padding: 20px;
}

h1 {
  font-size: 24px;
  margin-bottom: 20px;
  color: #075e54;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

.card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card h2 {
  font-size: 16px;
  color: #075e54;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card h2 .step {
  background: #075e54;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.input-row {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

input[type="text"] {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
}

input[type="text"]:focus {
  border-color: #075e54;
}

button {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: #075e54;
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: #064d44;
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #c82333;
}

.btn-success {
  background: #25d366;
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: #20bd5a;
}

.btn-secondary {
  background: #6c757d;
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  background: #5a6268;
}

.status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 14px;
  margin-top: 8px;
}

.status-bar.info {
  background: #e7f5ff;
  color: #1971c2;
}

.status-bar.success {
  background: #d3f9d8;
  color: #2b8a3e;
}

.status-bar.warning {
  background: #fff3cd;
  color: #856404;
}

.status-bar.error {
  background: #ffe0e0;
  color: #dc3545;
}

.status-bar.active {
  background: #d3f9d8;
  color: #2b8a3e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot.green { background: #25d366; }
.dot.yellow { background: #ffc107; }
.dot.red { background: #dc3545; }
.dot.blue { background: #1971c2; }

#eventLog {
  max-height: 400px;
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: #1a1a2e;
  color: #e0e0e0;
  padding: 16px;
  border-radius: 6px;
  margin-top: 8px;
}

.log-entry {
  margin-bottom: 4px;
  line-height: 1.5;
}

.log-entry .time {
  color: #6c757d;
}

.log-entry.event { color: #25d366; }
.log-entry.error { color: #dc3545; }
.log-entry.api { color: #1971c2; }
.log-entry.info { color: #ffc107; }

.call-controls {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  align-items: center;
}

.permission-info {
  font-size: 13px;
  color: #6c757d;
  margin-top: 8px;
}

.connection-status {
  position: fixed;
  top: 10px;
  right: 20px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.connection-status.connected {
  background: #d3f9d8;
  color: #2b8a3e;
}

.connection-status.disconnected {
  background: #ffe0e0;
  color: #dc3545;
}