body {
    background-color: black;
    color: #00ff00;
    font-family: monospace;
    font-size: 14px;
    margin: 0;
    padding: 1rem;
}

.container {
    border: 2px double #00ff00;
    padding: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.title {
    color: red;
    font-weight: bold;
    font-size: 13px;
    white-space: pre;
    margin-bottom: 12px;
}

.intro {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
}

.terminal {
    line-height: 1.5;
    /* white-space: pre-wrap; */
}

.output-line {
    margin: 0;
    padding-left: 1rem;
}

.blink-cursor::after {
    content: '▊';
    animation: blink 1s step-start infinite;
    margin-left: 2px;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

input,
button {
    background: black;
    color: #00ff00;
    border: 1px solid #00ff00;
    padding: 4px 10px;
    margin-top: 8px;
    font-family: inherit;
}

button:hover {
    background-color: #003300;
    cursor: pointer;
}

.file-label {
    display: inline-block;
    background: black;
    color: #00ff00;
    border: 1px solid #00ff00;
    padding: 4px 12px;
    cursor: pointer;
    font-family: inherit;
    margin-right: 10px;
}

.file-label:hover {
    background-color: #003300;
}

input[type='file'] {
    display: none;
}

.output {
    margin-top: 16px;
    border-top: 1px dashed #00ff00;
    padding-top: 10px;
}
textarea {
    width: 100%;
    box-sizing: border-box;
    background: black;
    color: #00ff00;
    border: 1px solid #00ff00;
    font-family: monospace;
    padding: 8px;
    margin-top: 8px;
    font-size: 18px;
}
.output-controls {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.output-controls button {
    background: black;
    color: #00ff00;
    border: 1px solid #00ff00;
    padding: 4px 10px;
    font-family: inherit;
    cursor: pointer;
}

.output-controls button:hover {
    background-color: #003300;
}