body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #333;
}

.container {
    background-color: #ffffff;
    padding: 40px;
    margin: 10px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 420px;
    text-align: center;
    transition: transform 0.3s ease-in-out;
}

.container:hover {
    transform: translateY(-5px);
}

.container h2 {
    margin-bottom: 25px;
    font-size: 28px;
    font-weight: 600;
    color: #2c3e50;
}

.container p {
    font-size: 14px;
    color: #7f8c8d;
    margin-top: 15px;
}

.container input {
    width: 100%;
    padding: 14px;
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.container input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.container button {
    width: 100%;
    padding: 14px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.container button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.error-message, .success-message {
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-weight: 500;
}

.error-message {
    background-color: #fbecec;
    color: #c0392b;
    border: 1px solid #c0392b;
}

.success-message {
    background-color: #e8f7ee;
    color: #27ae60;
    border: 1px solid #27ae60;
}

.link a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

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