.diagnostic-tool {
  scroll-margin-top: 96px;
  overflow: hidden;
  border: 1px solid var(--nod-border);
  border-radius: var(--nod-large-radius);
  background: var(--nod-surface);
  box-shadow: 0 20px 55px rgba(53, 31, 92, 0.11);
}

.diagnostic-tool__intro {
  padding: 24px 30px;
  border-bottom: 1px solid var(--nod-border);
  background: var(--nod-surface-quiet);
}

.diagnostic-tool__intro h2 { margin: 0; color: var(--nod-text-strong); font-size: 20px; letter-spacing: -.02em; }
.diagnostic-tool__intro p { max-width: 720px; margin: 6px 0 0; color: var(--nod-text-secondary); }
.diagnostic-tool__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .88fr); }
.diagnostic-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; padding: 26px 30px 30px; }
.diagnostic-field { min-width: 0; }
.diagnostic-field--full { grid-column: 1 / -1; }
.diagnostic-field label { display: block; margin-bottom: 7px; color: var(--nod-text-strong); font-size: 13px; font-weight: 650; }
.diagnostic-field input, .diagnostic-field select { width: 100%; min-height: 42px; padding: 8px 10px; border: 1px solid var(--nod-border-strong); border-radius: var(--nod-control-radius); background: #fff; color: var(--nod-text); }
.diagnostic-field input:focus, .diagnostic-field select:focus { outline: 0; border-color: var(--nod-brand); box-shadow: 0 0 0 3px var(--nod-brand-soft); }
.diagnostic-field small { display: block; margin-top: 6px; color: var(--nod-text-tertiary); font-size: 11px; line-height: 1.45; }
.diagnostic-field abbr { color: var(--nod-danger); text-decoration: none; }
.diagnostic-form__note { grid-column: 1 / -1; margin: -4px 0 0; color: var(--nod-text-tertiary); font-size: 12px; line-height: 1.5; }
.diagnostic-form__actions { display: flex; grid-column: 1 / -1; flex-wrap: wrap; align-items: center; gap: 12px; }
.diagnostic-form__actions button { min-height: 42px; padding-inline: 18px; border-radius: var(--nod-control-radius); font-size: 13px; font-weight: 650; cursor: pointer; }
.diagnostic-form__actions button[type="submit"] { border: 1px solid var(--nod-brand); background: var(--nod-brand); color: #fff; }
.diagnostic-form__actions button[type="submit"]:hover { border-color: var(--nod-brand-hover); background: var(--nod-brand-hover); }
.diagnostic-form__actions button[type="button"] { border: 1px solid var(--nod-border-strong); background: #fff; color: var(--nod-text); }
.diagnostic-form__actions button[type="button"]:hover { border-color: var(--nod-brand-border); background: var(--nod-brand-tint); color: var(--nod-brand); }
.diagnostic-form__privacy { margin: 0; color: var(--nod-text-tertiary); font-size: 11px; }
.diagnostic-errors { grid-column: 1 / -1; margin: 0; padding: 12px 14px; border: 1px solid #f3c3c8; border-radius: var(--nod-control-radius); background: var(--nod-danger-soft); color: var(--nod-danger); font-size: 12px; line-height: 1.5; }
.diagnostic-errors ul { margin: 6px 0 0; padding-inline-start: 18px; }

.diagnostic-result { min-width: 0; padding: 26px 30px 30px; border-inline-start: 1px solid var(--nod-border); background: #fbf9fe; }
.diagnostic-empty-result { display: grid; min-height: 220px; align-content: center; }
.diagnostic-empty-result h2 { max-width: 280px; }
.diagnostic-empty-result p:last-child { max-width: 300px; margin: 10px 0 0; color: var(--nod-text-tertiary); font-size: 13px; line-height: 1.55; }
.diagnostic-result.is-error { background: var(--nod-danger-soft); }
.diagnostic-result h2 { margin: 0; color: var(--nod-text-strong); font-size: 22px; line-height: 1.3; }
.diagnostic-result h3 { margin: 0 0 12px; color: var(--nod-text-strong); font-size: 14px; }
.diagnostic-result__heading { display: grid; grid-template-columns: 1fr auto; gap: 10px 14px; align-items: start; }
.diagnostic-result__heading h2 { grid-column: 1 / -1; }
.diagnostic-result__kicker { grid-column: 1; margin: 0; color: var(--nod-brand); font-size: 12px; font-weight: 700; letter-spacing: .025em; text-transform: uppercase; }
.diagnostic-verdict { display: inline-flex; align-items: center; justify-self: start; min-height: 24px; padding-inline: 8px; border: 1px solid var(--nod-brand-border); border-radius: 999px; background: var(--nod-brand-tint); color: var(--nod-brand); font-size: 10px; font-weight: 700; white-space: nowrap; }
.diagnostic-verdict--too-early { border-color: #f2d3a6; background: var(--nod-warning-soft); color: var(--nod-warning); }
.diagnostic-verdict--not-actually-capped { border-color: #bce8c8; background: var(--nod-success-soft); color: var(--nod-success); }
.diagnostic-verdict--needs-verification { border-color: var(--nod-border-strong); background: var(--nod-surface-subtle); color: var(--nod-text-secondary); }
.diagnostic-result__section { margin-top: 24px; }
.diagnostic-evidence { display: grid; gap: 10px; }
.diagnostic-evidence__item { padding: 12px 14px; border: 1px solid var(--nod-border); border-radius: var(--nod-card-radius); background: #fff; }
.diagnostic-evidence__item span, .diagnostic-evidence__item small { display: block; color: var(--nod-text-secondary); font-size: 11px; }
.diagnostic-evidence__item strong { display: block; margin: 2px 0; color: var(--nod-text-strong); font-size: 17px; font-variant-numeric: tabular-nums; }
.diagnostic-evidence__item small { color: var(--nod-text-tertiary); line-height: 1.45; }
.diagnostic-result__actions { padding-top: 20px; border-top: 1px solid var(--nod-border); }
.diagnostic-result__actions ol { display: grid; gap: 10px; margin: 0; padding-inline-start: 22px; color: var(--nod-text); font-size: 13px; line-height: 1.55; }
.diagnostic-result__actions li::marker { color: var(--nod-brand); font-weight: 700; }
.diagnostic-result__limits { margin-top: 20px; padding: 12px 14px; border-inline-start: 3px solid var(--nod-brand); border-radius: 0 var(--nod-control-radius) var(--nod-control-radius) 0; background: var(--nod-brand-tint); }
.diagnostic-result__limits h3 { margin-bottom: 5px; font-size: 12px; }
.diagnostic-result__limits p, .diagnostic-result__cta-detail { margin: 0; color: var(--nod-text-secondary); font-size: 12px; line-height: 1.5; }
.diagnostic-result__cta { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; margin-top: 20px; padding-inline: 16px; border: 1px solid var(--nod-brand); border-radius: var(--nod-control-radius); background: var(--nod-brand); color: #fff; font-size: 13px; font-weight: 650; text-decoration: none; }
.diagnostic-result__cta:hover { border-color: var(--nod-brand-hover); background: var(--nod-brand-hover); }
.diagnostic-result__cta-detail { margin-top: 8px; }
.diagnostic-result__error-list { margin-top: 8px; }

.diagnostic-rule-grid, .diagnostic-limit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.diagnostic-rule-grid article, .diagnostic-limit-grid article { padding: 18px; border: 1px solid var(--nod-border); border-radius: var(--nod-card-radius); background: #fff; }
.diagnostic-rule-grid h3, .diagnostic-limit-grid h3 { margin: 0 0 7px; color: var(--nod-text-strong); font-size: 16px; }
.diagnostic-rule-grid p, .diagnostic-limit-grid p { margin: 0; color: var(--nod-text-secondary); font-size: 13px; line-height: 1.6; }
.tool-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.tool-links a { display: block; padding: 16px; border: 1px solid var(--nod-border); border-radius: var(--nod-card-radius); background: #fff; text-decoration: none; }
.tool-links a:hover { border-color: var(--nod-brand-border); background: var(--nod-brand-tint); }
.tool-links strong, .tool-links span { display: block; }
.tool-links strong { color: var(--nod-text-strong); }
.tool-links span { margin-top: 5px; color: var(--nod-text-secondary); font-size: 13px; line-height: 1.5; }

@media (max-width: 900px) {
  .diagnostic-tool__body { grid-template-columns: 1fr; }
  .diagnostic-result { border-inline-start: 0; border-top: 1px solid var(--nod-border); }
}
@media (max-width: 720px) {
  .diagnostic-form { grid-template-columns: 1fr; }
  .diagnostic-field--full, .diagnostic-form__note, .diagnostic-form__actions, .diagnostic-errors { grid-column: auto; }
  .diagnostic-rule-grid, .diagnostic-limit-grid, .tool-links { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .diagnostic-tool__intro, .diagnostic-form, .diagnostic-result { padding-inline: 20px; }
  .diagnostic-form__actions { align-items: stretch; flex-direction: column; }
  .diagnostic-form__actions button { width: 100%; }
  .diagnostic-form__privacy { text-align: center; }
}