:root {
    --square: 2.5rem;
    --ucs2-color: #B4B4B4;
    --ucs2-nc-color: #000000;
    --gsm-color: #FFFFFF;
}
.character-checker-tool > div {
    width: 100%;
}
.text-input-container {
    position: relative;
    width: 100%
}
textarea {
    width: 100%;
    max-width: 1000px;
    box-sizing: border-box;
    border-radius: 5px;
    padding: 10px;
    font-family: Arial, sans-serif;
    font-size: 16px;
    resize: none;
}

h5{
    margin: 0;
}

.convert-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
    margin-bottom: 24px;
}

.convert-wrapper button {
    border-radius: 2px;
    cursor: pointer;
    transition: background-color 0.3s;
    color: #fff;
    padding: 0.5rem 1rem;
    font-size: 14px;
    border: none;
}

.copy-button svg {
    width: 1em;
    height: 1em;
    vertical-align: middle;
    margin-right: 0.4em;
}


button:disabled {
    background-color: var(--button-disabled-background-color);
    color: #b3b3b3;
    border: 1px solid #b3b3b3;
    cursor: default;
}

.results-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 1rem;
    width: 100%;
    box-sizing: border-box;
}
.results-box {
    font-family: Courier;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--square);
    height: var(--square);
    font-size: 16px;
    font-weight: bold;
    border-radius: 4px;
}
.results-box.gsm {
    background-color: var(--gsm-color);
    border: 2px solid var(--gsm-color);
}
.results-box.ucs2 {
    background-color: var(--ucs2-color);
    border: 2px solid var(--ucs2-color);
}
.results-box.ucs2-nc {
    background-color: var(--ucs2-color);
    border: 2px solid var(--ucs2-nc-color);
}
.key-container {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    margin-bottom: 20px;
}
.key-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
}
.key-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}
.key-color.gsm {
    background-color: var(--gsm-color);
    border: 2px solid var(--gsm-color);
}
.key-color.ucs2 {
    background-color: var(--ucs2-color);
    border: 2px solid var(--ucs2-color);
}
.key-color.ucs2-nc {
    background-color: var(--ucs2-color);
    border: 2px solid var(--ucs2-nc-color);
}
.converted {
    display: block !important;
}