body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f0f2f5;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

h1 {
    text-align: center;
    color: #1c1e21;
}

.diamond-layout {
    display: grid;
    grid-template-rows: auto auto auto;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px 20px;
    justify-items: center;
    align-items: center;
    margin-bottom: 20px;
}

.diamond-row {
    display: contents;
}

.diamond-row-top .diamond-parent {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
}
.diamond-row-middle .diamond-left {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
}
.diamond-row-middle .diamond-right {
    grid-column: 3 / 4;
    grid-row: 2 / 3;
}
.diamond-row-bottom .diamond-bottom-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: 10px;
    grid-column: 2 / 3;
    grid-row: 3 / 4;
}

.diamond-row-bottom .diamond-result {
    width: 100%;
    max-width: 100%;
    flex: 1 1 100%;
}

.diamond-bottom-content {
    width: 100%;
    max-width: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.diamond-bottom-content .diamond-result {
    width: 100%;
    max-width: 100%;
}

.diamond-bottom-content textarea {
    width: 100%;
    max-width: 100%;
}

.diamond-parent, .diamond-result {
    grid-column: 1 / -1 !important;
    width: 100%;
    max-width: none;
    min-width: 0;
}

.diamond-left, .diamond-right {
    min-width: 280px;
    max-width: 500px;
    width: 100%;
}


@media (max-width: 900px) {
    .diamond-layout {
        grid-template-columns: 1fr 1fr;
    }
    .diamond-row-top .diamond-parent,
    .diamond-row-bottom .diamond-bottom-content {
        grid-column: 1 / 3;
    }
    .diamond-row-middle .diamond-left {
        grid-column: 1 / 2;
    }
    .diamond-row-middle .diamond-right {
        grid-column: 2 / 3;
    }
}

@media (max-width: 600px) {
    .diamond-layout {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .diamond-row-top .diamond-parent,
    .diamond-row-middle .diamond-left,
    .diamond-row-middle .diamond-right,
    .diamond-row-bottom .diamond-bottom-content {
        grid-column: 1 / 2;
    }
    .diamond-row-bottom .diamond-bottom-content {
        align-items: stretch;
    }
    .diamond-result textarea,
    .diamond-parent textarea,
    .diamond-left textarea,
    .diamond-right textarea {
        font-size: 1rem;
        min-height: 100px;
    }
    button {
        font-size: 1.1rem;
        padding: 14px 0;
        width: 100%;
    }
    .container {
        padding: 8px;
    }
}

@media (max-width: 600px) {
    .diamond-layout {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .diamond-row-top .diamond-parent,
    .diamond-row-middle .diamond-left,
    .diamond-row-middle .diamond-right,
    .diamond-row-bottom .diamond-result {
        grid-column: 1 / 2;
    }
}

.text-area {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
    font-weight: bold;
}

textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    box-sizing: border-box;
    resize: none;
}

textarea[readonly] {
    background-color: #e9ebee;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    background-color: #007bff;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    align-self: center;
}

button:hover {
    background-color: #0056b3;
}

@media (max-width: 768px) {
    .text-areas {
        grid-template-columns: 1fr;
    }
}