:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eef3f9;
  --text: #172033;
  --muted: #5c687a;
  --border: #d9e1ec;
  --brand: #184f90;
  --brand-2: #0f6ec7;
  --brand-soft: #e7f1ff;
  --success: #1f7a4d;
  --critical: #b42318;
  --major: #b54708;
  --minor: #475467;
  --manual: #5a3ca4;
  --shadow: 0 18px 45px rgba(23, 32, 51, .08);
  --radius: 18px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #101828;
  --surface: #182230;
  --surface-2: #202b3c;
  --text: #f2f4f7;
  --muted: #c7d0dd;
  --border: #344054;
  --brand: #84caff;
  --brand-2: #53b1fd;
  --brand-soft: #132f4c;
  --success: #73e2a3;
  --critical: #fda29b;
  --major: #fdb022;
  --minor: #d0d5dd;
  --manual: #d6bbfb;
  --shadow: 0 20px 50px rgba(0, 0, 0, .32);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  background: radial-gradient(circle at top left, var(--brand-soft), transparent 36rem), var(--bg);
  color: var(--text);
}

a { color: var(--brand-2); }
a:hover { text-decoration-thickness: .16em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--brand-2);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  z-index: 20;
  padding: .8rem 1rem;
  color: #fff;
  background: #000;
  border-radius: .8rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
  padding: 1.25rem 1rem;
}
.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}
.brand {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 1rem;
  background: var(--brand);
  color: var(--surface);
  font-weight: 900;
  letter-spacing: .02em;
}
.eyebrow, .pill {
  margin: 0 0 .35rem;
  color: var(--brand);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.site-header h1, .panel h2, .panel h3 { line-height: 1.15; }
.site-header h1 { margin: 0; font-size: clamp(1.7rem, 6vw, 3.2rem); }
.site-header p { margin: .35rem 0 0; color: var(--muted); max-width: 70ch; }

.main-nav {
  display: flex;
  gap: .55rem;
  align-items: center;
  flex-wrap: wrap;
}
.main-nav a, .theme-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .7rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
}
.main-nav a.active { background: var(--brand); color: var(--surface); border-color: var(--brand); }
.theme-toggle { cursor: pointer; font-size: 1.1rem; }

.container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto 2rem;
}
.panel {
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 4vw, 1.7rem);
  margin: 1rem 0;
}
.hero-grid { display: grid; gap: 1rem; }
.audit-panel { min-width: 0; }
.info-panel { align-self: start; }
.muted, .help { color: var(--muted); }
.help { margin: .35rem 0 0; font-size: .95rem; }
.note {
  padding: 1rem;
  border-left: 4px solid var(--brand-2);
  background: var(--surface-2);
  border-radius: .9rem;
}
.optional { color: var(--muted); font-weight: 500; }

.audit-form, .filters { display: grid; gap: 1rem; }
.form-grid { display: grid; gap: 1rem; }
.field { display: grid; gap: .45rem; }
.field label { font-weight: 800; }
input, select, textarea {
  width: 100%;
  min-height: 48px;
  padding: .75rem .9rem;
  border: 1px solid var(--border);
  border-radius: .9rem;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
.checkbox-field {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  align-self: end;
  gap: .65rem;
  min-height: 48px;
}
.checkbox-field input { width: 1.25rem; height: 1.25rem; min-height: auto; }
.checkbox-field label { font-weight: 700; }

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  font: inherit;
}
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--surface); }
.btn.secondary { background: var(--brand-soft); color: var(--brand); border-color: color-mix(in srgb, var(--brand) 30%, var(--border)); }
.btn.small { min-height: 38px; padding: .55rem .75rem; font-size: .95rem; }
.btn.danger { color: var(--critical); border-color: color-mix(in srgb, var(--critical) 45%, var(--border)); }
.btn:disabled { opacity: .7; cursor: progress; }
.actions-row { display: flex; gap: .65rem; flex-wrap: wrap; margin-top: 1rem; }

.check-list { padding-left: 1.3rem; }
.check-list li { margin: .45rem 0; }
.section-head {
  display: grid;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}
.section-head.compact { grid-template-columns: 1fr auto; }
.section-head h2, .section-head h3 { margin: 0; }
.score-card {
  justify-self: start;
  display: grid;
  place-items: center;
  min-width: 7rem;
  min-height: 7rem;
  border-radius: 50%;
  background: var(--brand-soft);
  border: 6px solid color-mix(in srgb, var(--brand) 55%, var(--surface));
  color: var(--brand);
  text-align: center;
}
.score-card strong { display: block; font-size: 2.2rem; line-height: 1; }
.score-card span { font-weight: 900; }
.score-card small { max-width: 6rem; font-size: .72rem; line-height: 1.15; color: var(--muted); }
.score-card.large { min-width: 8.3rem; min-height: 8.3rem; }
.score-card.large strong { font-size: 2.7rem; }
.score-bar {
  height: .8rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin: 1rem 0;
}
.score-bar span { display: block; height: 100%; background: var(--brand-2); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}
.kpi {
  padding: .9rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-2);
}
.kpi strong { display: block; font-size: clamp(1.45rem, 8vw, 2.2rem); line-height: 1; }
.kpi span { color: var(--muted); font-weight: 700; }
.kpi.critical { border-left: 5px solid var(--critical); }
.kpi.major { border-left: 5px solid var(--major); }
.kpi.minor { border-left: 5px solid var(--minor); }
.kpi.manual { border-left: 5px solid var(--manual); }

.report-list { display: grid; gap: .8rem; }
.report-card {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-2);
}
.report-card h3 { margin: 0 0 .25rem; }
.report-card p { margin: .25rem 0; overflow-wrap: anywhere; }
.report-actions { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.report-actions.stack { align-items: stretch; }
.report-actions.stack form { display: contents; }
.mini-score {
  padding: .45rem .7rem;
  border-radius: 999px;
  background: var(--brand);
  color: var(--surface);
  font-weight: 900;
}
.mini-kpis { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .6rem; }
.mini-kpis span {
  padding: .35rem .55rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: .9rem;
  font-weight: 700;
}

.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
caption { text-align: left; font-weight: 800; margin-bottom: .75rem; }
th, td { padding: .8rem; border-bottom: 1px solid var(--border); vertical-align: top; text-align: left; }
th { background: var(--surface-2); }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: .45rem;
}
code { padding: .1rem .3rem; }
pre { padding: .75rem; overflow-x: auto; max-width: 44rem; white-space: pre-wrap; }

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: .25rem .55rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 900;
  border: 1px solid currentColor;
}
.badge.critical { color: var(--critical); }
.badge.major { color: var(--major); }
.badge.minor { color: var(--minor); }
.badge.manual { color: var(--manual); }

.filters {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-2);
}
.mobile-results { display: grid; gap: 1rem; }
.desktop-results { display: none; }
.issue-card {
  padding: 1rem;
  border: 1px solid var(--border);
  border-left-width: 6px;
  border-radius: 1rem;
  background: var(--surface-2);
}
.issue-card.critical { border-left-color: var(--critical); }
.issue-card.major { border-left-color: var(--major); }
.issue-card.minor { border-left-color: var(--minor); }
.issue-card.manual { border-left-color: var(--manual); }
.issue-top { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.issue-card dl {
  display: grid;
  grid-template-columns: minmax(5rem, auto) 1fr;
  gap: .35rem .75rem;
}
.issue-card dt { font-weight: 900; color: var(--muted); }
.issue-card dd { margin: 0; overflow-wrap: anywhere; }
.recommendation { padding: .8rem; border-radius: .8rem; background: var(--surface); }

.checklist-grid, .status-grid { display: grid; gap: 1rem; }
.check-card, .status-grid div {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-2);
}
.check-number {
  display: inline-grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  background: var(--brand);
  color: var(--surface);
  font-weight: 900;
}
.status-grid strong { display: block; margin-bottom: .3rem; }
.status-grid span { color: var(--muted); }

.alert {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  margin: 1rem 0;
  font-weight: 700;
}
.alert.error { background: color-mix(in srgb, var(--critical) 10%, var(--surface)); color: var(--critical); }
.alert.success { background: color-mix(in srgb, var(--success) 12%, var(--surface)); color: var(--success); }
.empty {
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: 1rem;
  color: var(--muted);
}
.site-footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 2rem;
  color: var(--muted);
  font-size: .95rem;
}

@media (min-width: 760px) {
  .header-inner { grid-template-columns: 1fr auto; align-items: start; }
  .hero-grid { grid-template-columns: minmax(0, 1.65fr) minmax(280px, .8fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr) minmax(240px, .9fr); }
  .filters { grid-template-columns: 180px minmax(180px, 1fr) minmax(220px, 1fr) auto; align-items: end; }
  .section-head { grid-template-columns: minmax(0, 1fr) auto; }
  .score-card { justify-self: end; }
  .kpi-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .report-card { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
  .report-actions.stack { flex-direction: column; }
  .mobile-results { display: none; }
  .desktop-results { display: block; }
  .checklist-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .status-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 420px) {
  .container, .site-footer { width: min(100% - 1rem, 1180px); }
  .site-header { padding-inline: .5rem; }
  .panel { border-radius: 1rem; padding: .9rem; }
  .main-nav a, .theme-toggle, .btn { width: 100%; }
  .main-nav { display: grid; grid-template-columns: 1fr 1fr; }
  .theme-toggle { grid-column: span 2; }
  .actions-row .btn, .report-actions .btn { width: 100%; }
  .section-head.compact { grid-template-columns: 1fr; }
  .score-card { border-width: 4px; min-width: 6.5rem; min-height: 6.5rem; }
}