body { max-width: 600px; }
.wrap { margin-top: 40px; }
.tagline { color: #666; font-size: 13px; margin-bottom: 32px; }
.form-group { margin-bottom: 14px; }
.row { display: flex; gap: 12px; }
.row .form-group { flex: 1; }
#customMsgGroup { display: none; }
button { margin-top: 4px; }
#output {
    display: none;
    white-space: pre-wrap;
    word-break: break-word;
    margin-top: 16px;
}
#output.show { display: block; }
.ok { color: #4ade80; }
.err { color: #f87171; }
.docs { margin-top: 60px; border-top: 1px solid #333; padding-top: 40px; }
.docs > p { color: #666; margin-bottom: 24px; }
.endpoint {
    font-family: monospace;
    font-size: 13px;
    overflow-x: auto;
    margin-bottom: 24px;
}
.endpoint span { color: #666; }
.note {
    font-size: 13px;
    border-left: 2px solid #444;
    padding: 10px 14px;
    margin-bottom: 24px;
}
.footer {
    margin-top: 60px;
    padding: 20px 0;
    border-top: 1px solid #222;
    font-size: 12px;
    color: #555;
    text-align: center;
}
.footer a {
    color: #888;
    text-decoration: none;
}
.footer a:hover {
    color: #ccc;
}
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: #333;
    border: 1px solid #444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #ccc;
    transition: background 0.2s, transform 0.2s;
    z-index: 100;
}
.fab:hover {
    background: #444;
    transform: scale(1.05);
}
.fab-menu {
    position: fixed;
    bottom: 82px;
    right: 24px;
    display: none;
    flex-direction: column;
    gap: 8px;
    z-index: 100;
}
.fab-menu.show {
    display: flex;
}
.fab-menu a {
    display: block;
    padding: 10px 16px;
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 8px;
    color: #ccc;
    text-decoration: none;
    font-size: 13px;
    white-space: nowrap;
    transition: background 0.15s;
    text-align: center;
}
.fab-menu a:hover {
    background: #2a2a2a;
    color: #fff;
}