/* Focused resource tools. Shared page colors and header live in resources.css. */
[data-diagnostic] {
    --diag-ink: var(--resource-ink, #0f172a);
    --diag-muted: var(--resource-muted, #64748b);
    --diag-line: var(--resource-line, #e2e8f0);
    --diag-surface: var(--resource-surface, #fff);
    --diag-soft: var(--resource-soft, #f8fafc);
    --diag-accent: var(--resource-accent, #4f46e5);
    color: var(--diag-ink);
}
[data-diagnostic] .diag-main { padding: 32px 0 80px; }
[data-diagnostic] .diag-result,
[data-diagnostic] .diag-section {
    padding: clamp(24px, 4vw, 36px);
    border: 1px solid var(--diag-line);
    border-radius: 20px;
    background: var(--diag-surface);
}
[data-diagnostic] .diag-result { box-shadow: 0 8px 30px rgba(15, 23, 42, .04); }
[data-diagnostic] .diag-result-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
[data-diagnostic] .diag-kicker { display: block; margin-bottom: 8px; color: var(--diag-accent); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
[data-diagnostic] .diag-result h2,
[data-diagnostic] .diag-section h2 { margin: 0 0 10px; color: var(--diag-ink); font-size: clamp(23px, 3vw, 30px); font-weight: 700; line-height: 1.3; letter-spacing: -.025em; }
[data-diagnostic] .diag-result p,
[data-diagnostic] .diag-section p { margin: 0; color: var(--diag-muted); font-size: 15px; line-height: 1.75; }
[data-diagnostic] .diag-result-head p { max-width: 720px; }
[data-diagnostic] .diag-status { display: inline-flex; flex: 0 0 auto; align-items: center; max-width: 100%; padding: 7px 12px; border: 1px solid var(--diag-line); border-radius: 999px; color: var(--diag-muted); background: var(--diag-soft); font-size: 12px; font-weight: 600; line-height: 1.5; }
[data-diagnostic] .diag-status.running { color: #4338ca; border-color: #c7d2fe; background: #eef2ff; }
[data-diagnostic] .diag-status.good { color: #166534; border-color: #bbf7d0; background: #f0fdf4; }
[data-diagnostic] .diag-status.warning { color: #92400e; border-color: #fde68a; background: #fffbeb; }
[data-diagnostic] .diag-status.bad { color: #991b1b; border-color: #fecaca; background: #fef2f2; }
[data-diagnostic] .diag-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
[data-diagnostic] .diag-grid:has(> .diag-metric:only-child) { grid-template-columns: 1fr; }
[data-diagnostic] .diag-metric { min-width: 0; padding: 18px; border: 1px solid var(--diag-line); border-radius: 12px; background: var(--diag-soft); }
[data-diagnostic] .diag-metric span { display: block; margin-bottom: 7px; color: var(--diag-muted); font-size: 12px; font-weight: 600; line-height: 1.4; }
[data-diagnostic] .diag-metric strong { display: block; overflow-wrap: anywhere; color: var(--diag-ink); font-size: 16px; font-weight: 600; line-height: 1.55; }
[data-diagnostic] .diag-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
[data-diagnostic] .diag-button,
[data-diagnostic] .diag-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 11px 18px; border: 1px solid transparent; border-radius: 9px; font-size: 14px; font-weight: 600; line-height: 1.4; text-decoration: none; cursor: pointer; transition: background .15s ease, border-color .15s ease; }
[data-diagnostic] .diag-button { color: #fff; border-color: #4f46e5; background: #4f46e5; }
[data-diagnostic] .diag-button:hover:not(:disabled) { color: #fff; border-color: #4338ca; background: #4338ca; }
[data-diagnostic] .diag-button:disabled { opacity: .6; cursor: wait; }
[data-diagnostic] .diag-link { color: var(--diag-accent); background: transparent; }
[data-diagnostic] .diag-link:hover { color: var(--diag-accent); background: var(--diag-soft); }
[data-diagnostic] .diag-form { display: grid; grid-template-columns: minmax(160px, 340px) auto; justify-content: start; gap: 10px 12px; margin-top: 24px; }
[data-diagnostic] .diag-form label { grid-column: 1 / -1; color: var(--diag-ink); font-size: 14px; font-weight: 600; }
[data-diagnostic] .diag-input { min-width: 0; min-height: 46px; padding: 11px 14px; color: var(--diag-ink); border: 1px solid var(--diag-line); border-radius: 9px; background: var(--diag-surface); font-size: 16px; }
[data-diagnostic] .diag-input::placeholder { color: var(--diag-muted); opacity: .8; }
[data-diagnostic] .diag-form .diag-form-help { grid-column: 1 / -1; max-width: 750px; font-size: 13px; line-height: 1.6; }
[data-diagnostic] .diag-form .diag-form-error { grid-column: 1 / -1; color: #b91c1c; font-size: 13px; }
[data-diagnostic] .diag-note { margin: 18px 0 0; padding: 16px 20px; border: 1px solid var(--diag-line); border-radius: 12px; color: var(--diag-muted); background: var(--diag-soft); font-size: 13px; line-height: 1.75; }
[data-diagnostic] .diag-note code,
[data-diagnostic] .diag-section code { padding: 2px 4px; color: var(--diag-accent); background: var(--diag-soft); border-radius: 4px; overflow-wrap: anywhere; }
[data-diagnostic] .diag-section { margin-top: 28px; scroll-margin-top: 100px; }
[data-diagnostic] #test { scroll-margin-top: 100px; }
[data-diagnostic] .diag-content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 30px; margin-top: 24px; }
[data-diagnostic] .diag-content-grid h3 { margin: 0 0 6px; color: var(--diag-ink); font-size: 16px; font-weight: 600; line-height: 1.5; }
[data-diagnostic] .diag-content-grid p { font-size: 14px; }
[data-diagnostic] .diag-inspector { margin-top: 28px; padding-top: 6px; border-top: 1px solid var(--diag-line); }
[data-diagnostic] .diag-inspector summary,
[data-diagnostic] .diag-faq summary { position: relative; display: block; padding: 18px 30px 18px 0; color: var(--diag-ink); font-size: 15px; font-weight: 600; line-height: 1.6; cursor: pointer; list-style: none; }
[data-diagnostic] .diag-inspector summary::-webkit-details-marker,
[data-diagnostic] .diag-faq summary::-webkit-details-marker { display: none; }
[data-diagnostic] .diag-inspector summary::after,
[data-diagnostic] .diag-faq summary::after { position: absolute; right: 2px; top: 18px; content: "+"; color: var(--diag-accent); font-size: 22px; font-weight: 400; line-height: 1; }
[data-diagnostic] details[open] > summary::after { content: "−"; }
[data-diagnostic] .diag-inspector .diag-grid { margin-top: 4px; }
[data-diagnostic] .diag-inspector .diag-metric strong { font-size: 14px; font-weight: 500; }
[data-diagnostic] .diag-inspector .diag-empty { grid-column: 1 / -1; padding-bottom: 8px; }
[data-diagnostic] .diag-signature { padding: 12px 0 20px; }
[data-diagnostic] .diag-signature .diag-code { display: block; padding: 14px; color: var(--diag-ink); border: 1px solid var(--diag-line); border-radius: 9px; background: var(--diag-soft); font-size: 14px; overflow-wrap: anywhere; }
[data-diagnostic] .diag-copy { margin-top: 8px; padding: 8px 0; min-height: 40px; }
[data-diagnostic] .diag-copy-status { margin-left: 12px; color: var(--diag-muted); font-size: 13px; }
[data-diagnostic] .diag-faq details { border-bottom: 1px solid var(--diag-line); }
[data-diagnostic] .diag-faq details:first-of-type { margin-top: 18px; border-top: 1px solid var(--diag-line); }
[data-diagnostic] .diag-faq details p { padding: 0 26px 18px 0; font-size: 14px; }
[data-diagnostic] .diag-related { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
[data-diagnostic] .diag-related a { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; padding: 10px 14px; color: var(--diag-accent); border: 1px solid var(--diag-line); border-radius: 9px; background: var(--diag-soft); font-size: 13px; font-weight: 600; text-decoration: none; }
[data-diagnostic] .diag-related a:hover { border-color: var(--diag-accent); }
[data-diagnostic] :is(.diag-button, .diag-link, .diag-input, .diag-related a, summary):focus-visible { outline: 3px solid var(--diag-accent); outline-offset: 3px; }
.dark [data-diagnostic] .diag-status.running { color: #c7d2fe; border-color: #3730a3; background: #1e1b4b; }
.dark [data-diagnostic] .diag-status.good { color: #bbf7d0; border-color: #166534; background: #052e16; }
.dark [data-diagnostic] .diag-status.warning { color: #fde68a; border-color: #92400e; background: #451a03; }
.dark [data-diagnostic] .diag-status.bad { color: #fecaca; border-color: #991b1b; background: #450a0a; }
.dark [data-diagnostic] .diag-form .diag-form-error { color: #fca5a5; }
@media (max-width: 760px) {
    [data-diagnostic] .diag-main { padding: 24px 0 56px; }
    [data-diagnostic] .diag-result,
    [data-diagnostic] .diag-section { padding: 22px; border-radius: 16px; }
    [data-diagnostic] .diag-result-head { flex-direction: column; gap: 12px; }
    [data-diagnostic] .diag-grid { grid-template-columns: 1fr; gap: 10px; margin-top: 20px; }
    [data-diagnostic] .diag-metric { padding: 14px 16px; }
    [data-diagnostic] .diag-metric span { margin-bottom: 4px; }
    [data-diagnostic] .diag-content-grid { grid-template-columns: 1fr; gap: 20px; }
    [data-diagnostic] .diag-form { grid-template-columns: 1fr; justify-content: stretch; }
    [data-diagnostic] .diag-form label,
    [data-diagnostic] .diag-form .diag-form-help,
    [data-diagnostic] .diag-form .diag-form-error { grid-column: auto; }
    [data-diagnostic] .diag-actions .diag-button { flex: 1 0 100%; }
}
@media (prefers-reduced-motion: reduce) {
    [data-diagnostic] .diag-button,
    [data-diagnostic] .diag-link { transition: none; }
}