body{
    min-height: 100vh;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.app {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

h1 {
    color: #333;
    text-align: center;
    padding-bottom: 20px;
    margin: 0;
}

input[type="text"] {
    width: 100%;
    height: 100px;
    padding: 10px;
    margin: 10px 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    text-align: end;
    color: black;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    width: 100%;
}

.buttons{
    text-align: center;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.2s ease, transform 0.08s ease, box-shadow 0.08s ease;
    height: 100px;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(2px) scale(0.98);
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.2);
}

.site-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: 16px;
    color: #555;
    font-size: 14px;
}

.github-mark {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}