.pvdiag {
  --pv-bg: #f5f7fb;
  --pv-card: #ffffff;
  --pv-text: #172033;
  --pv-muted: #667085;
  --pv-border: #dfe5ef;
  --pv-primary: #3157d5;
  --pv-primary-dark: #2444ae;
  --pv-good: #16794f;
  --pv-good-bg: #eaf7f1;
  --pv-warn: #8a6500;
  --pv-warn-bg: #fff6db;
  --pv-bad: #a02c2c;
  --pv-bad-bg: #fff0f0;
  width: 100%;
  max-width: 100%;
  margin: 28px 0;
  padding: clamp(16px, 3vw, 30px);
  color: var(--pv-text);
  background: var(--pv-bg);
  border: 1px solid var(--pv-border);
  border-radius: 20px;
  box-sizing: border-box;
  overflow: hidden;
  font-family: inherit;
}
.pvdiag *, .pvdiag *::before, .pvdiag *::after { box-sizing: border-box; min-width: 0; }
.pvdiag__topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 18px; }
.pvdiag__topbar h2 { margin: 6px 0 8px; font-size: clamp(28px, 5vw, 42px); line-height: 1.12; overflow-wrap: anywhere; }
.pvdiag__topbar p { margin: 0; max-width: 760px; color: var(--pv-muted); line-height: 1.6; }
.pvdiag__eyebrow { color: var(--pv-primary); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.pvdiag__lang { display: flex; gap: 6px; flex: 0 0 auto; }
.pvdiag__lang-btn { padding: 7px 11px; border: 1px solid var(--pv-border); border-radius: 9px; background: #fff; color: var(--pv-text); cursor: pointer; font: inherit; font-weight: 700; }
.pvdiag__lang-btn.is-active { color: #fff; background: var(--pv-primary); border-color: var(--pv-primary); }
.pvdiag__notice, .pvdiag__privacy { padding: 13px 15px; margin: 0 0 18px; background: #edf2ff; border: 1px solid #d5defa; border-radius: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.pvdiag__section { margin-top: 18px; padding: clamp(16px, 3vw, 24px); background: var(--pv-card); border: 1px solid var(--pv-border); border-radius: 16px; overflow: hidden; }
.pvdiag__section-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.pvdiag__section-head h3, .pvdiag__section--tips h3 { margin: 0 0 6px; font-size: clamp(21px, 3vw, 28px); line-height: 1.22; overflow-wrap: anywhere; }
.pvdiag__section-head p { margin: 0; color: var(--pv-muted); line-height: 1.55; }
.pvdiag__step { display: grid; place-items: center; width: 34px; height: 34px; flex: 0 0 34px; color: #fff; background: var(--pv-primary); border-radius: 50%; font-weight: 800; }
.pvdiag__grid { display: grid; gap: 14px; }
.pvdiag__grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pvdiag__field { display: block; margin: 14px 0; }
.pvdiag__field > span { display: block; margin-bottom: 7px; font-weight: 700; }
.pvdiag input, .pvdiag select, .pvdiag textarea { width: 100%; max-width: 100%; padding: 11px 12px; color: var(--pv-text); background: #fff; border: 1px solid var(--pv-border); border-radius: 10px; font: inherit; }
.pvdiag textarea { resize: vertical; overflow-wrap: anywhere; }
.pvdiag [hidden] { display: none !important; }
.pvdiag__field select + input { margin-top: 9px; }
.pvdiag__help { display: block; margin-top: 7px; color: var(--pv-muted); font-size: 12px; line-height: 1.45; }
.pvdiag__code { margin-top: 12px; min-height: 170px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important; font-size: 12px !important; line-height: 1.5; white-space: pre; overflow: auto; }
.pvdiag__button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.pvdiag__button-row--report { margin-top: 16px; }
.pvdiag__primary, .pvdiag__secondary { max-width: 100%; padding: 12px 16px; border-radius: 10px; font: inherit; font-weight: 750; cursor: pointer; overflow-wrap: anywhere; }
.pvdiag__primary { color: #fff; background: var(--pv-primary); border: 1px solid var(--pv-primary); }
.pvdiag__primary:hover { background: var(--pv-primary-dark); border-color: var(--pv-primary-dark); }
.pvdiag__secondary { color: var(--pv-primary); background: #fff; border: 1px solid #bdc9ed; }
.pvdiag button:disabled { opacity: .55; cursor: not-allowed; }
.pvdiag__progress { margin-top: 16px; }
.pvdiag__progress-bar { height: 9px; overflow: hidden; background: #e7ebf3; border-radius: 999px; }
.pvdiag__progress-bar span { display: block; width: 0; height: 100%; background: var(--pv-primary); transition: width .25s ease; }
.pvdiag__progress p { margin: 8px 0 0; color: var(--pv-muted); }
.pvdiag__metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 16px; }
.pvdiag__metric { padding: 14px; background: var(--pv-bg); border-radius: 11px; }
.pvdiag__metric span, .pvdiag__metric strong, .pvdiag__metric small { display: block; }
.pvdiag__metric span { color: var(--pv-muted); font-size: 12px; }
.pvdiag__metric strong { margin: 5px 0; font-size: 21px; overflow-wrap: anywhere; }
.pvdiag__metric small { font-size: 12px; }
.pvdiag__metric small.is-good { color: var(--pv-good); }
.pvdiag__metric small.is-warn { color: var(--pv-warn); }
.pvdiag__metric small.is-bad { color: var(--pv-bad); }
.pvdiag__details { margin: 12px 0; padding: 11px 13px; background: var(--pv-bg); border-radius: 10px; }
.pvdiag__details summary { cursor: pointer; font-weight: 750; }
.pvdiag__details ol { margin-bottom: 0; padding-left: 22px; }
.pvdiag__result, .pvdiag__verdict { margin-top: 16px; padding: 16px; border-radius: 12px; line-height: 1.55; overflow-wrap: anywhere; }
.pvdiag__result.is-good, .pvdiag__verdict.is-good { color: var(--pv-good); background: var(--pv-good-bg); border: 1px solid #c6e8d8; }
.pvdiag__result.is-warn, .pvdiag__verdict.is-warn { color: var(--pv-warn); background: var(--pv-warn-bg); border: 1px solid #f1df9e; }
.pvdiag__result.is-bad, .pvdiag__verdict.is-bad { color: var(--pv-bad); background: var(--pv-bad-bg); border: 1px solid #efc4c4; }
.pvdiag__result h4, .pvdiag__verdict h4 { margin: 0 0 8px; color: inherit; }
.pvdiag__result ul, .pvdiag__verdict ul { margin: 8px 0 0; padding-left: 20px; }
.pvdiag__section--tips ul { margin-bottom: 0; padding-left: 22px; }
.pvdiag__section--tips li { margin: 7px 0; }
.pvdiag__disclaimer { margin: 16px 0 0; color: var(--pv-muted); font-size: 12px; line-height: 1.5; }
.pvdiag__toast { position: fixed; right: 18px; bottom: 18px; z-index: 99999; max-width: min(360px, calc(100vw - 36px)); padding: 12px 14px; color: #fff; background: #172033; border-radius: 10px; box-shadow: 0 12px 32px rgba(0,0,0,.18); }
@media (max-width: 850px) {
  .pvdiag__metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 650px) {
  .pvdiag__topbar { flex-direction: column; }
  .pvdiag__grid--2, .pvdiag__metrics { grid-template-columns: 1fr; }
  .pvdiag__primary, .pvdiag__secondary { width: 100%; }
  .pvdiag__button-row { flex-direction: column; }
}