* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    color: #111;
    background: #fff;
    margin: 0;
    padding: 40px 16px;
    display: flex;
    justify-content: center;
}

.box {
    width: 100%;
    max-width: 420px;
    border: 1px solid #bbb;
    padding: 20px;
}

.row {
    display: flex;
    gap: 8px;
    align-items: center;
}

input[type="text"],
input[type="file"] {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 16px;
    padding: 6px 8px;
    border: 1px solid #bbb;
    background: #fff;
    color: #111;
}

input[type="file"] {
    padding: 5px;
}

.btn {
    flex: 0 0 auto;
    display: inline-block;
    font-size: 15px;
    padding: 6px 14px;
    border: 1px solid #111;
    background: #fff;
    color: #111;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.4;
}

.btn:hover {
    background: #111;
    color: #fff;
}

.btn:disabled {
    color: #999;
    border-color: #ccc;
    cursor: default;
    background: #fff;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 18px 0;
}

.meta {
    color: #777;
    font-size: 13px;
    margin: 8px 0;
}

.bar {
    height: 6px;
    border: 1px solid #bbb;
    margin: 8px 0;
}

.bar-fill {
    height: 100%;
    width: 0;
    background: #111;
    transition: width 0.12s linear;
}

#uploadZone.drag {
    outline: 1px dashed #999;
    outline-offset: 4px;
}

.queue-list {
    margin-bottom: 4px;
}

.queue-item {
    margin: 2px 0;
}

.slot-row {
    margin-bottom: 8px;
}

.result {
    margin-top: 8px;
}

#codeList .code {
    margin-bottom: 6px;
}

.file-row {
    margin-bottom: 4px;
}

.code {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 18px;
    letter-spacing: 0.5px;
    margin: 2px 0 0;
    word-break: break-word;
}

.filename {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    word-break: break-word;
    margin: 0 0 4px;
}

a {
    color: #111;
}