body {
    font-family: 'Quicksand', sans-serif;
    background: linear-gradient(135deg, #fdfbfb, #ebedee);
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
    width: 360px;
    text-align: center;
}

h1 {
    margin-bottom: 15px;
    font-weight: 600;
    color: #ff6f61;
}

input,
textarea,
button {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    font-family: 'Quicksand', sans-serif;
    box-sizing: border-box;
}

textarea {
    margin-top: 14px;
}

input,
textarea {
    background: #f9f9f9;
}

button {
    background: #ff6f61;
    color: white;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: 0.3s;
}

button:hover {
    background: #ff9478;
}

.output {
    margin-top: 15px;
    padding: 12px;
    background: #f1f1f1;
    border-radius: 6px;
    min-height: 50px;
    font-weight: 500;
}

.matrix {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    margin-top: 12px;
}

.matrix div {
    background: #ffe0b2;
    padding: 8px;
    border: 1px solid white;
    font-weight: 600;
    font-size: 14px;
}

.matrix div:hover {
    background: #ffd180;
}