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

body {
  font-family: Arial, sans-serif;
  background: #f0f2f5;
  color: #333;
}

.login-container {
  max-width: 400px;
  margin: 100px auto;
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  text-align: center;
}

.login-container h1 {
  color: #2c3e50;
  margin-bottom: 10px;
}

.login-container p {
  color: #666;
  margin-bottom: 30px;
}

.login-container input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
}

.login-container button {
  width: 100%;
  padding: 12px;
  background: #2c3e50;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
}

.login-container button:hover {
  background: #34495e;
}

.error {
  color: red;
  margin-top: 10px;
}

.header {
  background: #2c3e50;
  color: white;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logout-btn {
  color: white;
  text-decoration: none;
  background: #e74c3c;
  padding: 8px 15px;
  border-radius: 5px;
}

.container {
  max-width: 900px;
  margin: 30px auto;
  padding: 0 20px;
}

.message-card {
  background: white;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 15px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.message-info {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
  font-size: 14px;
  color: #666;
}

.from {
  font-weight: bold;
  color: #2c3e50;
  font-size: 16px;
}

.message-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.message-actions audio {
  flex: 1;
  min-width: 200px;
}

.callback-btn {
  background: #27ae60;
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 5px;
  cursor: pointer;
}

.save-btn {
  background: #3498db;
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 5px;
  cursor: pointer;
}

.delete-btn {
  background: #e74c3c;
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 5px;
  cursor: pointer;
}

.forgot-link {
  display: block;
  margin-top: 15px;
  color: #2c3e50;
  text-decoration: none;
  font-size: 14px;
}

.forgot-link:hover {
  text-decoration: underline;
}

.success {
  color: green;
  margin-top: 10px;
}