/* DNS checker and ATS converter: one working column inside the site frame. */
.nt{max-width:1000px;margin:32px auto 56px;padding:0 clamp(20px,4vw,40px);box-sizing:border-box;color:#1f1f1f;font-size:16px;line-height:1.6}
.nt h1{font-size:clamp(28px,3.4vw,36px);font-weight:700;margin:0 0 10px}
.nt .lead{color:#444746;margin:0 0 20px;max-width:760px}
.nt fieldset{border:1px solid #c4c7c5;border-radius:12px;padding:18px 20px;margin:0 0 18px;background:#fff}
.nt legend{font-weight:700;padding:0 6px}
.nt label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:#444746}
.nt input,.nt select,.nt textarea{font:inherit;font-size:15px;padding:9px 10px;border:1px solid #8e918f;border-radius:8px;background:#fff;color:#1f1f1f;box-sizing:border-box;width:100%}
.nt textarea{min-height:260px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
.nt .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.nt button{font:inherit;font-size:15px;padding:9px 16px;border-radius:8px;border:1px solid #0b57d0;background:#0b57d0;color:#fff;cursor:pointer;margin:0 8px 8px 0}
.nt button.alt{background:#fff;color:#0b57d0}
.nt table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.nt th,.nt td{text-align:left;padding:8px 10px;border-bottom:1px solid #e3e3e3;vertical-align:top;word-break:break-word}
.nt .ok{color:#146c2e}
.nt .warn{color:#8a5a00}
.nt .bad{color:#b3261e}
.nt ul.checks{margin:0 0 18px;padding:14px 18px 14px 34px;border-radius:12px;background:#fff;border:1px solid #c4c7c5}
.nt ul.checks li{margin:0 0 6px}
.nt pre{background:#fff;border:1px solid #c4c7c5;border-radius:12px;padding:16px 18px;white-space:pre-wrap;word-break:break-word;font-size:14px;max-height:460px;overflow:auto}
.nt .note{font-size:14px;color:#444746;margin:18px 0 0}
@media (max-width:760px){.nt .row{grid-template-columns:1fr}}