* { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #0f1115;
    color: #e6e6e6;
    margin: 0;
    padding: 24px;
}
.wrap { max-width: 980px; margin: 0 auto; }
h1 { font-size: 22px; margin-bottom: 4px; }
.sub { color: #9aa0a6; font-size: 14px; margin-top: 0; }
.alert {
    background: #143d2b; border: 1px solid #2e7d5b; color: #b7f5d1;
    padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 14px;
}
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 16px;
}
@media (max-width: 800px) {
    .grid { grid-template-columns: 1fr; }
}
.card {
    background: #171a21;
    border: 1px solid #262b33;
    border-radius: 12px;
    padding: 20px;
}
.card h2 { font-size: 16px; margin-top: 0; }
label { display: block; font-size: 13px; color: #b8bcc4; margin: 12px 0 4px; }
label.checkbox { display: flex; align-items: center; gap: 8px; }
label.checkbox input { width: auto; }
input[type=text], input[type=number], select {
    width: 100%;
    padding: 9px 10px;
    background: #0f1115;
    border: 1px solid #2c313a;
    border-radius: 8px;
    color: #e6e6e6;
    font-size: 14px;
}
hr { border: none; border-top: 1px solid #262b33; margin: 16px 0; }
.btn-row { margin-top: 16px; }
.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
}
.btn-primary { background: #3a7bfd; color: white; }
.btn-primary:hover { background: #2f66d6; }
.btn-danger { background: #402323; color: #ff9b9b; margin-top: 12px; }
.btn-danger:hover { background: #542b2b; }
.status-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 8px; }
.status-table td { padding: 6px 4px; border-bottom: 1px solid #21252c; }
.status-table td:first-child { color: #9aa0a6; width: 40%; }
code { background: #0f1115; padding: 2px 6px; border-radius: 4px; font-size: 12px; }
.result { margin-top: 16px; }
.result pre {
    background: #0f1115;
    border: 1px solid #262b33;
    padding: 12px;
    border-radius: 8px;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 12px;
    max-height: 300px;
    overflow: auto;
}
.error { color: #ff9b9b; }