:root {
  --ink: #17324e;
  --ink-soft: #42586b;
  --teal: #168778;
  --teal-soft: #e9f7f4;
  --blue-soft: #edf4f8;
  --line: #d9e3e9;
  --surface: #f6f9fb;
  --danger: #b83f48;
  --warning: #b37a16;
  --shadow: 0 18px 46px rgba(20, 48, 72, 0.11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
}
button, input, textarea, select { font: inherit; }

.diag-topbar {
  min-height: 72px;
  padding: 10px max(24px, calc((100vw - 1380px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}
.diag-brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-size: 22px; font-weight: 700; }
.diag-brand-mark { width: 42px; height: 42px; }
.diag-brand-mark svg { width: 100%; height: 100%; fill: none; stroke: #296681; stroke-width: 2.2; }
.diag-brand-mark path:nth-child(2) { stroke: #30b7bd; }
.diag-brand-mark path:nth-child(3) { stroke-width: 1.3; }
.diag-topbar nav { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; font-size: 13px; }
.diag-topbar nav a { color: #536776; text-decoration: none; }
.diag-topbar nav a:hover { color: var(--teal); }
.diag-nav-active { padding: 8px 11px; color: #fff; border-radius: 18px; background: var(--ink); }

main { width: min(1380px, calc(100% - 48px)); margin: 0 auto; }
.diag-hero {
  margin-top: 34px;
  padding: 44px 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(270px, 0.55fr);
  gap: 42px;
  align-items: center;
  color: #fff;
  border-radius: 24px;
  background:
    radial-gradient(circle at 78% 20%, rgba(92, 226, 207, 0.22), transparent 28%),
    linear-gradient(135deg, #17324e, #22576a);
  box-shadow: var(--shadow);
}
.diag-kicker, .diag-section-head span, .diag-results-head span, .diag-ai-synthesis span, .diag-inspection > span {
  color: #46b8a8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.diag-hero .diag-kicker { color: #8be3d5; }
.diag-hero h1 { max-width: 820px; margin: 10px 0 14px; font-size: clamp(34px, 4.3vw, 62px); line-height: 1.04; letter-spacing: -0.035em; }
.diag-hero > div > p { max-width: 850px; margin: 0; color: #d9e9ef; font-size: 17px; line-height: 1.65; }
.diag-trust-card { padding: 22px; border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 16px; background: rgba(255, 255, 255, 0.08); }
.diag-trust-card b { display: block; margin-bottom: 8px; font-size: 17px; }
.diag-trust-card p { margin: 0 0 13px; color: #d7e7ed; font-size: 13px; line-height: 1.55; }
.diag-trust-card span { display: block; color: #8be3d5; font-size: 11px; }

.diag-process {
  margin: 20px 0 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.diag-process article { min-height: 90px; padding: 17px 20px; display: flex; align-items: center; gap: 14px; border-right: 1px solid var(--line); }
.diag-process article:last-child { border-right: 0; }
.diag-process article > b { width: 34px; height: 34px; flex: 0 0 auto; display: grid; place-items: center; color: #fff; border-radius: 50%; background: var(--teal); }
.diag-process article span { color: #6b7a86; font-size: 12px; line-height: 1.45; }
.diag-process article strong { display: block; margin-bottom: 2px; color: var(--ink); font-size: 13px; }

.diag-examples { margin: 0 0 28px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.diag-examples-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.diag-examples-head span, .diag-example-card > div > span { color: var(--teal); font-size: 10px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.diag-examples-head h2 { margin: 5px 0 0; font-size: 22px; }
.diag-examples-head p { max-width: 520px; margin: 0; color: #6c7e8a; font-size: 11px; line-height: 1.55; }
.diag-example-grid { margin-top: 17px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.diag-example-card { min-height: 150px; padding: 18px; display: flex; align-items: end; justify-content: space-between; gap: 20px; border: 1px solid #cddbe3; border-radius: 13px; background: #fff; }
.diag-example-card h3 { margin: 5px 0 6px; font-size: 17px; }
.diag-example-card p { max-width: 520px; margin: 0; color: #70808b; font-size: 11px; line-height: 1.5; }
.diag-example-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 7px; }
.diag-example-actions button, .diag-example-actions a { padding: 9px 11px; border-radius: 8px; text-decoration: none; font-size: 11px; font-weight: 700; cursor: pointer; }
.diag-example-actions button { color: #fff; border: 1px solid var(--teal); background: var(--teal); }
.diag-example-actions a { color: #27695f; border: 1px solid #a9cec8; background: #fff; }
.diag-example-actions button:hover { background: #126e63; }
.diag-example-actions a:hover { background: var(--teal-soft); }
.diag-example-card.example-failure { border-left: 4px solid #d06443; }
.diag-example-card.example-healthy { border-left: 4px solid var(--teal); }

.diag-workspace { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.45fr); gap: 24px; align-items: start; }
.diag-form, .diag-inspection, .diag-results { border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.diag-form { padding: 26px; }
.diag-section-head, .diag-results-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.diag-section-head h2, .diag-results-head h2, .diag-inspection h2 { margin: 6px 0 0; font-size: 23px; line-height: 1.2; }
.diag-limit { padding: 6px 9px; color: #70808b !important; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); letter-spacing: 0 !important; text-transform: none !important; }

.diag-upload-grid { margin-top: 22px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.diag-upload-card { min-height: 250px; padding: 18px; display: grid; align-content: start; gap: 8px; border: 1px dashed #b8cad5; border-radius: 13px; background: #fbfdfe; cursor: pointer; transition: 0.18s ease; }
.diag-upload-card:hover, .diag-upload-card.has-files { border-color: var(--teal); background: var(--teal-soft); transform: translateY(-1px); }
.diag-upload-card input { width: 100%; margin-top: 5px; color: #5d6e7a; font-size: 12px; }
.diag-upload-card > b { font-size: 16px; }
.diag-upload-card small { min-height: 46px; color: #71818d; line-height: 1.45; }
.diag-upload-icon { width: fit-content; padding: 5px 7px; color: #286378; border-radius: 6px; background: #e7f1f5; font-size: 9px; font-weight: 800; letter-spacing: 0.08em; }
.diag-file-list { color: #40736e; font-size: 11px; line-height: 1.4; }
.diag-upload-demo-label { margin-top: 4px; color: #788995; font-size: 10px; }
.diag-upload-demo-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.diag-upload-demo-actions button { padding: 6px 8px; color: #27695f; border: 1px solid #b5d5d0; border-radius: 7px; background: #fff; cursor: pointer; font-size: 10px; font-weight: 700; }
.diag-upload-demo-actions button:hover { border-color: var(--teal); background: var(--teal-soft); }
.diag-upload-demo-actions button:disabled, .diag-example-actions button:disabled { opacity: 0.55; cursor: wait; }

.diag-job-row { margin-top: 16px; padding: 16px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 0.7fr); gap: 16px; align-items: end; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.diag-job-row label, .diag-question { display: grid; gap: 7px; color: #344d5e; font-size: 12px; font-weight: 700; }
.diag-job-row input, .diag-question textarea, .diag-run-settings select { width: 100%; padding: 11px 12px; color: var(--ink); border: 1px solid #cbd8e1; border-radius: 8px; background: #fff; }
.diag-job-row p { margin: 0; color: #72808b; font-size: 11px; line-height: 1.5; }
.diag-question { margin-top: 16px; }
.diag-question textarea { min-height: 92px; resize: vertical; font-weight: 400; line-height: 1.55; }

.diag-run-settings { margin-top: 14px; padding: 14px 16px; display: grid; grid-template-columns: minmax(210px, 0.75fr) auto minmax(220px, 1fr); gap: 16px; align-items: center; border: 1px solid var(--line); border-radius: 12px; }
.diag-run-settings label { display: grid; gap: 6px; color: #526674; font-size: 11px; font-weight: 700; }
.diag-remote-option { grid-template-columns: auto 1fr !important; align-items: center; white-space: nowrap; }
.diag-remote-option input { width: 16px; height: 16px; accent-color: var(--teal); }
.diag-run-settings p { margin: 0; color: #70808c; font-size: 10px; line-height: 1.45; }
.diag-submit { width: 100%; margin-top: 16px; padding: 14px 20px; display: flex; align-items: center; justify-content: center; gap: 10px; color: #fff; border: 0; border-radius: 11px; background: linear-gradient(135deg, #167f72, #1c9384); cursor: pointer; box-shadow: 0 10px 22px rgba(22, 127, 114, 0.2); }
.diag-submit span { font-weight: 800; }
.diag-submit small { color: #d9f5ef; }
.diag-submit:disabled { opacity: 0.6; cursor: wait; }
.diag-form-status { min-height: 20px; margin: 10px 0 0; color: #667b89; font-size: 12px; }

.diag-inspection { padding: 26px; position: sticky; top: 20px; }
.diag-inspection ul { margin: 22px 0; padding: 0; display: grid; gap: 13px; list-style: none; }
.diag-inspection li { padding-bottom: 13px; display: grid; gap: 3px; color: #71808b; border-bottom: 1px solid #e7edf1; font-size: 12px; line-height: 1.5; }
.diag-inspection li b { color: #2c4b5d; font-size: 13px; }
.diag-principle { padding: 15px; border-radius: 12px; background: var(--blue-soft); }
.diag-principle b { font-size: 12px; }
.diag-principle p { margin: 5px 0 0; color: #5f7280; font-size: 11px; line-height: 1.5; }

.diag-results { margin: 28px 0 60px; padding: 26px; }
.diag-results[hidden] { display: none; }
.diag-results-head button { padding: 9px 12px; color: #315f72; border: 1px solid #bfd2dc; border-radius: 8px; background: #f7fbfc; cursor: pointer; }
.diag-overview { margin-top: 20px; display: grid; grid-template-columns: 170px 1fr; border: 1px solid var(--line); border-left: 6px solid var(--teal); border-radius: 12px; overflow: hidden; }
.diag-overview.status-review { border-left-color: var(--warning); }
.diag-overview.status-blocked { border-left-color: var(--danger); }
.diag-overview-score { padding: 22px; display: grid; place-items: center; align-content: center; background: var(--surface); }
.diag-overview-score strong { font-family: Georgia, serif; font-size: 44px; font-weight: 500; }
.diag-overview-score span { color: #74838e; font-size: 10px; }
.diag-overview-copy { padding: 22px; }
.diag-overview-copy > span { color: #69808c; font-size: 10px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.diag-overview-copy h3 { margin: 5px 0 12px; font-size: 21px; }
.diag-counts { display: flex; flex-wrap: wrap; gap: 7px; }
.diag-counts span { padding: 5px 8px; color: #60727e; border: 1px solid var(--line); border-radius: 6px; background: #fff; font-size: 11px; }
.diag-counts b { color: var(--ink); }
.diag-overall-formula { margin: 11px 0 0; color: #6c7e89; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }

.diag-ai-synthesis { margin-top: 16px; padding: 22px; display: grid; grid-template-columns: 180px 1fr; gap: 22px; color: #fff; border-radius: 12px; background: linear-gradient(135deg, #17324e, #24566c); }
.diag-ai-synthesis span { color: #8be3d5; }
.diag-ai-synthesis b { display: block; margin-top: 5px; font-size: 13px; }
.diag-ai-synthesis p { margin: 0; color: #e4eff3; white-space: pre-wrap; font-size: 13px; line-height: 1.65; }

.diag-artifacts { margin-top: 16px; display: grid; gap: 12px; }
.diag-artifact { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.diag-artifact-head { padding: 14px 16px; display: flex; justify-content: space-between; gap: 12px; background: var(--surface); }
.diag-artifact-head b { font-size: 14px; }
.diag-artifact-head span { color: #71818c; font-size: 10px; text-transform: uppercase; }
.diag-artifact-summary { padding: 11px 16px; display: flex; flex-wrap: wrap; gap: 7px; border-top: 1px solid var(--line); }
.diag-artifact-summary span { padding: 4px 7px; color: #61737f; border: 1px solid var(--line); border-radius: 5px; font-size: 10px; }
.diag-score-breakdown { border-top: 1px solid var(--line); background: #fbfcfd; }
.diag-score-breakdown-head { padding: 13px 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.diag-score-breakdown-head > div { display: grid; gap: 3px; }
.diag-score-breakdown-head b { font-size: 12px; }
.diag-score-breakdown-head span { color: #74848f; font-size: 10px; }
.diag-score-breakdown-head code { padding: 6px 8px; color: #315f72; border: 1px solid #cad9e1; border-radius: 5px; background: #fff; font-size: 10px; }
.diag-score-rows { display: grid; border-top: 1px solid #e7ecef; }
.diag-score-rows span { padding: 7px 16px; display: flex; justify-content: space-between; gap: 16px; color: #677985; border-bottom: 1px solid #edf1f3; font-size: 10px; }
.diag-score-rows span:last-child { border-bottom: 0; }
.diag-score-rows b { color: #425a69; font-weight: 600; }
.diag-score-rows em { color: #a05e3c; font-style: normal; font-weight: 800; }
.diag-score-rows .is-total { background: var(--teal-soft); }
.diag-score-rows .is-total b, .diag-score-rows .is-total em { color: #267568; font-weight: 800; }
.diag-issue-list { display: grid; gap: 8px; padding: 13px 16px; border-top: 1px solid var(--line); }
.diag-issue { padding: 11px 12px; border-left: 4px solid #8195a2; background: #fbfcfd; }
.diag-issue.severity-blocker { border-left-color: var(--danger); }
.diag-issue.severity-high { border-left-color: #d06443; }
.diag-issue.severity-medium { border-left-color: #d0a13b; }
.diag-issue.severity-low { border-left-color: #4e87aa; }
.diag-issue.severity-info { border-left-color: #7893a4; background: #f7fafc; }
.diag-issue-title { margin-bottom: 4px; display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.diag-issue-title b { font-size: 12px; }
.diag-issue-title em { flex: 0 0 auto; color: #a05e3c; font-size: 9px; font-style: normal; font-weight: 800; }
.diag-issue.severity-info .diag-issue-title em { color: #5b7687; }
.diag-issue p { margin: 3px 0; color: #677985; font-size: 11px; line-height: 1.45; }
.diag-issue p strong { color: #415969; }
.diag-artifact-ok { padding: 16px; color: #397267; font-size: 12px; }
.diag-coverage { padding: 13px 16px; display: grid; gap: 8px; border-top: 1px solid var(--line); background: #f5f9fb; }
.diag-coverage > div { display: grid; gap: 3px; }
.diag-coverage > div b { color: #405d6d; font-size: 12px; }
.diag-coverage > div span { color: #71838e; font-size: 10px; }
.diag-report-privacy { margin: 16px 0 0; color: #71808b; font-size: 10px; }

footer { width: min(1380px, calc(100% - 48px)); margin: 0 auto; padding: 22px 0 28px; display: flex; justify-content: space-between; gap: 20px; color: #74838d; border-top: 1px solid var(--line); font-size: 11px; }

@media (max-width: 980px) {
  .diag-hero, .diag-workspace { grid-template-columns: 1fr; }
  .diag-inspection { position: static; }
  .diag-run-settings { grid-template-columns: 1fr 1fr; }
  .diag-run-settings p { grid-column: 1 / -1; }
  .diag-example-card { align-items: flex-start; flex-direction: column; }
  .diag-example-actions { flex-wrap: wrap; }
}

@media (max-width: 680px) {
  .diag-topbar { align-items: flex-start; flex-direction: column; }
  .diag-examples-head { align-items: flex-start; flex-direction: column; }
  .diag-example-grid { grid-template-columns: 1fr; }
  .diag-topbar nav { gap: 10px; }
  main, footer { width: min(100% - 24px, 1380px); }
  .diag-hero { margin-top: 16px; padding: 28px 22px; }
  .diag-process, .diag-upload-grid { grid-template-columns: 1fr; }
  .diag-process article { border-right: 0; border-bottom: 1px solid var(--line); }
  .diag-process article:last-child { border-bottom: 0; }
  .diag-form, .diag-inspection, .diag-results { padding: 18px; }
  .diag-section-head, .diag-results-head, footer { align-items: flex-start; flex-direction: column; }
  .diag-score-breakdown-head { align-items: flex-start; flex-direction: column; }
  .diag-issue-title { flex-direction: column; gap: 4px; }
  .diag-job-row, .diag-run-settings, .diag-overview, .diag-ai-synthesis { grid-template-columns: 1fr; }
  .diag-limit { align-self: flex-start; }
  .diag-overview-score { justify-items: start; }
}