.registration-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.registration-box {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.registration-box h2 {
    margin-top: 0;
    color: #2c3e50;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
}

.form-group input:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.registration-box button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.registration-box button[type="submit"]:hover:not(:disabled) {
    background-color: #229954;
}

.registration-box button[type="submit"]:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.error-message {
    background-color: #fee;
    color: #c33;
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    border: 1px solid #fcc;
}

.switch-auth {
    margin-top: 1.5rem;
    text-align: center;
    color: #666;
}

.link-button {
    background: none;
    border: none;
    color: #3498db;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
    margin-left: 0.5rem;
    font-size: 1rem;
}

.link-button:hover:not(:disabled) {
    color: #2980b9;
}

.link-button:disabled {
    color: #95a5a6;
    cursor: not-allowed;
}