* {
    box-sizing: border-box;
}
body {
    font-family: system-ui, sans-serif;
    max-width: 700px;
    margin: 60px auto;
    padding: 0 20px;
    color: #222;
}
h1 {
    color: #339c90;
    margin-bottom: 4px;
}
h2 {
    font-size: 15px;
    margin: 28px 0 6px;
    color: #333;
}
.box {
    background: #f4f4f4;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 14px 16px;
    font-family: monospace;
    font-size: 13px;
    word-break: break-all;
    margin: 0;
    overflow-x: scroll;
}
.row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
}
.copy-btn {
    cursor: pointer;
    background: #339c90;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 13px;
    white-space: nowrap;
}
.copy-btn:hover {
    background: #1f5e56;
}
.copy-btn.ok {
    background: #2a9d5c;
}
.note {
    font-size: 13px;
    color: #666;
    margin-top: 32px;
}
code {
    background: #eee;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: monospace;
}
.copied-hint {
    font-size: 12px;
    color: #2a9d5c;
    display: none;
}
.login-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 28px;
    cursor: pointer;
    background: #339c90;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 10px 20px;
    font-size: 15px;
    text-decoration: none;
}
.login-btn:hover {
    background: #1f5e56;
}
.login-btn svg {
    flex-shrink: 0;
}