:root {
  color-scheme: light;
  --canvas: #f5f7fb;
  --surface: #ffffff;
  --surface-muted: #eaf0f8;
  --ink: #13253b;
  --muted: #53677f;
  --border: #c4d1df;
  --accent: #046b88;
  --accent-strong: #004c64;
  --accent-contrast: #ffffff;
  --focus: #d65a00;
  --shadow: 0 12px 32px rgb(19 37 59 / 12%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #091522;
  --surface: #102235;
  --surface-muted: #18324b;
  --ink: #f2f7fc;
  --muted: #b5c7d9;
  --border: #48637c;
  --accent: #5fd3ee;
  --accent-strong: #9be8f7;
  --accent-contrast: #042332;
  --focus: #ffd166;
  --shadow: 0 14px 36px rgb(0 0 0 / 35%);
}

* { box-sizing: border-box; }
html { background: var(--canvas); }
body { min-height: 100vh; margin: 0; background: var(--canvas); color: var(--ink); line-height: 1.5; }
a { color: var(--accent-strong); text-decoration-thickness: 0.12em; text-underline-offset: 0.16em; }
a:hover { color: var(--accent); }
button, input, select, textarea { color: var(--ink); font: inherit; }
button, input, select, textarea { border: 1px solid var(--border); border-radius: 0.45rem; background: var(--surface); }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.skip-link { position: fixed; z-index: 20; top: 0.6rem; left: 0.75rem; transform: translateY(-200%); padding: 0.5rem 0.7rem; border-radius: 0.35rem; background: var(--focus); color: #111; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.app-header { display: grid; grid-template-columns: minmax(13rem, 1fr) auto auto; gap: 1rem; align-items: center; padding: 1rem clamp(1rem, 3vw, 3rem); border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 92%, transparent); box-shadow: 0 2px 15px rgb(20 40 60 / 6%); }
.brand-lockup, .brand { display: flex; align-items: center; gap: 0.7rem; }
.brand { color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; width: 2.3rem; height: 2.3rem; place-items: center; border-radius: 0.55rem; background: var(--accent); color: var(--accent-contrast); font-size: 1.25rem; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 25%); }
.brand strong, .brand small { display: block; }
.brand small, .tenant-context span { color: var(--muted); font-size: 0.78rem; }
.tenant-context { display: grid; gap: 0.05rem; margin: 0; padding-left: 0.7rem; border-left: 1px solid var(--border); font-size: 0.82rem; }
.primary-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.2rem; }
.primary-nav a { padding: 0.45rem 0.6rem; border-radius: 0.38rem; color: var(--muted); font-size: 0.9rem; font-weight: 650; text-decoration: none; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { background: var(--surface-muted); color: var(--ink); }
.primary-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent); }
.theme-toggle { display: inline-flex; gap: 0.4rem; align-items: center; padding: 0.45rem 0.65rem; font-weight: 700; white-space: nowrap; }
.breadcrumbs { display: flex; gap: 0.55rem; align-items: center; max-width: 74rem; margin: 1rem auto 0; padding: 0 1.25rem; color: var(--muted); font-size: 0.875rem; }
main { max-width: 74rem; min-height: calc(100vh - 14rem); margin: 0 auto; padding: 1.4rem 1.25rem 3rem; }
.workspace-kicker { margin: 0 0 0.6rem; color: var(--accent); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase; }
h1, h2, h3 { color: var(--ink); line-height: 1.15; }
h1 { margin-top: 0; font-size: clamp(1.75rem, 3vw, 2.55rem); }
h2 { margin-top: 2rem; font-size: 1.3rem; }
p, li { max-width: 78ch; }
form { max-width: 48rem; padding: 1rem; border: 1px solid var(--border); border-radius: 0.7rem; background: var(--surface); box-shadow: var(--shadow); }
label { display: grid; gap: 0.35rem; margin: 0.85rem 0; font-weight: 650; }
input, select, textarea { width: min(100%, 38rem); padding: 0.55rem 0.65rem; }
button[type="submit"], form button:not(.theme-toggle) { margin-top: 0.45rem; padding: 0.55rem 0.8rem; border-color: var(--accent); background: var(--accent); color: var(--accent-contrast); font-weight: 750; }
button[type="submit"]:hover, form button:not(.theme-toggle):hover { background: var(--accent-strong); }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { padding: 0.7rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
.app-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.25rem clamp(1rem, 3vw, 3rem); border-top: 1px solid var(--border); color: var(--muted); font-size: 0.85rem; }
.workspace-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; }
.workspace-card { display: grid; align-content: start; gap: 0.6rem; min-height: 11rem; padding: 1.1rem; border: 1px solid var(--border); border-radius: 0.7rem; background: var(--surface); box-shadow: var(--shadow); }
.workspace-card h2, .workspace-card p { margin: 0; }

.page-intro { max-width: 52rem; margin: 0 0 2rem; }
.page-intro h1 { margin-bottom: 0.45rem; }
.page-intro p:last-child { margin-bottom: 0; color: var(--muted); font-size: 1.05rem; }
.eyebrow { margin: 0 0 0.45rem; color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase; }
.filter-panel, .action-panel, .intel-summary, .evidence-panel { margin: 1.5rem 0; padding: clamp(1rem, 2vw, 1.4rem); border: 1px solid var(--border); border-radius: 0.8rem; background: var(--surface); box-shadow: var(--shadow); }
.filter-panel { border-left: 0.3rem solid var(--accent); }
.filter-panel h2, .action-panel h2, .intel-summary h2 { margin: 0 0 0.5rem; }
.filter-panel form, .action-panel form { max-width: none; margin-top: 0.9rem; padding: 0; border: 0; border-radius: 0; box-shadow: none; background: transparent; }
.section-heading { display: flex; flex-wrap: wrap; gap: 0.3rem 1.5rem; align-items: baseline; justify-content: space-between; margin: 2.25rem 0 0.85rem; }
.section-heading h2, .section-heading p { margin: 0; }
.section-heading p { color: var(--muted); font-size: 0.93rem; }
.intel-list { display: grid; gap: 0.8rem; margin: 0; padding: 0; list-style: none; }
.intel-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; align-items: start; padding: 1.1rem 1.2rem; border: 1px solid var(--border); border-radius: 0.75rem; background: var(--surface); box-shadow: 0 5px 15px rgb(19 37 59 / 7%); }
.intel-card:hover { border-color: var(--accent); }
.intel-card__main h3 { margin: 0.25rem 0 0; font-size: 1.14rem; }
.intel-card__main > p:last-child { margin-bottom: 0; color: var(--muted); }
.intel-card__meta { margin: 0; color: var(--muted); font-size: 0.82rem; font-weight: 650; }
.intel-card__facts { display: grid; grid-template-columns: repeat(2, minmax(5.5rem, 1fr)); gap: 0.55rem 1rem; min-width: 13rem; margin: 0; }
.intel-card__facts div { padding-left: 0.65rem; border-left: 2px solid var(--border); }
.intel-card__facts dt, .fact-grid dt, .assessment-grid span { color: var(--muted); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.04em; text-transform: uppercase; }
.intel-card__facts dd, .fact-grid dd { margin: 0.15rem 0 0; font-weight: 700; }
.status-chip { display: inline-flex; align-items: center; min-height: 1.65rem; padding: 0.18rem 0.55rem; border: 1px solid var(--border); border-radius: 999px; background: var(--surface-muted); color: var(--ink); font-size: 0.78rem; font-weight: 750; }
.empty-state { padding: 1.5rem; border: 1px dashed var(--border); border-radius: 0.75rem; background: var(--surface-muted); }
.empty-state h3 { margin-top: 0; }
.empty-state p { margin-bottom: 0; color: var(--muted); }
.button-link { display: inline-flex; align-items: center; justify-content: center; margin-top: 1rem; padding: 0.55rem 0.8rem; border: 1px solid var(--accent); border-radius: 0.45rem; background: var(--accent); color: var(--accent-contrast); font-weight: 750; text-decoration: none; }
.button-link:hover { background: var(--accent-strong); color: var(--accent-contrast); }
.intel-summary { background: linear-gradient(135deg, var(--surface) 0%, var(--surface-muted) 100%); }
.assessment-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.7rem; margin: 1rem 0; }
.assessment-grid > div { display: grid; gap: 0.2rem; padding: 0.8rem; border: 1px solid var(--border); border-radius: 0.6rem; background: var(--surface); }
.assessment-grid strong { font-size: 1.2rem; }
.lead { margin: 1.1rem 0; font-size: 1.08rem; font-weight: 560; }
.fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem 1.2rem; margin: 0; }
.fact-grid > div { padding-top: 0.7rem; border-top: 1px solid var(--border); }
.evidence-panel { color: var(--muted); }
.evidence-panel summary { cursor: pointer; color: var(--ink); font-weight: 750; }
.evidence-panel pre { max-height: 22rem; overflow: auto; padding: 0.85rem; border-radius: 0.5rem; background: var(--canvas); color: var(--ink); white-space: pre-wrap; overflow-wrap: anywhere; }
.action-panel { border-top: 0.3rem solid var(--accent); }

@media (max-width: 58rem) {
  .app-header { grid-template-columns: 1fr auto; }
  .primary-nav { grid-column: 1 / -1; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.15rem; }
  .tenant-context { display: none; }
  .intel-card { grid-template-columns: 1fr; }
  .intel-card__facts { min-width: 0; }
}

@media (max-width: 36rem) {
  .app-header { padding: 0.85rem 1rem; }
  .brand small { display: none; }
  .app-footer { display: grid; }
  .assessment-grid, .fact-grid { grid-template-columns: 1fr; }
  .intel-card__facts { grid-template-columns: 1fr 1fr; }
}