.login-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.login-form {
  background: white;
  padding: 30px;
  border-radius: 12px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.login-form h2 {
  margin-bottom: 20px;
  font-size: 24px;
  color: #333;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #666;
  font-weight: 500;
}
.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s;
}
.form-group input:focus {
  outline: none;
  border-color: #4a90e2;
}
.login-btn {
  width: 100%;
  padding: 12px;
  background: #4a90e2;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}
.login-btn:hover {
  background: #357abd;
}
.error-message {
  color: #e74c3c;
  font-size: 14px;
  margin-top: 10px;
  text-align: center;
}
.loading {
  text-align: center;
  padding: 40px;
  color: #666;
}
.empty-state {
  text-align: center;
  padding: 40px;
  color: #999;
  font-size: 16px;
}
.logout-btn {
  background: #e74c3c;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  margin-left: 15px;
  transition: background 0.3s;
}
.logout-btn:hover {
  background: #c0392b;
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.auth-status {
  font-size: 14px;
  color: #666;
  margin-right: 15px;
}