.auth-container {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-card {
  background: white;
  border-radius: 1rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  max-width: 500px;
  width: 100%;
  padding: 3rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 2rem;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-color);
  font-size: 1rem;
}

.auth-form {
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
  font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e0e0e0;
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group small {
  display: block;
  margin-top: 0.25rem;
  color: #999;
  font-size: 0.875rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  cursor: pointer;
}

.btn-block {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  margin-top: 1rem;
}

.auth-footer {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
  color: var(--text-color);
}

.auth-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.alert {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error {
  background: #fee;
  color: #c00;
  border: 1px solid #fcc;
}

.alert-success {
  background: #efe;
  color: #0a0;
  border: 1px solid #cfc;
}

@media (max-width: 768px) {
  .auth-card {
    padding: 2rem 1.5rem;
  }
  
  .auth-header h1 {
    font-size: 1.75rem;
  }
}