:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5d687a;
  --line: #dfe4ec;
  --paper: #fff;
  --wash: #f3f5f8;
  --accent: #2457d6;
  --accent-dark: #183e9f;
  --code: #111827;
  --nav: #172033;
  --nav-muted: #aab4c5;
  --max: 96rem;
  font: 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--wash); color: var(--ink); }
a { color: var(--accent); text-underline-offset: .17em; }
a:hover { color: var(--accent-dark); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: #fff; padding: .6rem; z-index: 9; }
.bar { background: #10182b; color: #fff; border-bottom: 1px solid #29344b; }
.bar-inner { width: 100%; min-height: 3.4rem; padding: .65rem 1.25rem; display: flex; align-items: center; gap: 1rem; }
.brand { color: #fff; font-weight: 750; text-decoration: none; letter-spacing: -.02em; }
.brand::after { content: ""; display: inline-block; width: .38rem; height: .38rem; margin-left: .18rem; border-radius: 50%; background: #f6c945; vertical-align: .75em; }
.admin-label { border-left: 1px solid #3a465d; padding-left: 1rem; color: #aeb9ca; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.spacer { flex: 1; }
.user { color: #cbd5e1; font-size: .9rem; }
.logout { display: inline; }
.logout button { border: 1px solid #71809b; background: transparent; color: #fff; border-radius: .35rem; padding: .35rem .65rem; cursor: pointer; }
.layout { width: 100%; min-height: calc(100vh - 3.4rem); display: grid; grid-template-columns: minmax(14rem,17rem) minmax(0,1fr); }
.nav { align-self: stretch; padding: 1.5rem 1rem 3rem; background: var(--nav); border-right: 1px solid #29344b; }
.nav-group + .nav-group { margin-top: .35rem; }
.nav summary { cursor: pointer; padding: .55rem .75rem; border-radius: .4rem; font-size: .72rem; font-weight: 760; text-transform: uppercase; letter-spacing: .08em; color: var(--nav-muted); }
.nav summary:hover, .nav details[open] > summary { background: #1c2740; color: #fff; }
.nav details[open] > summary { margin-bottom: .2rem; }
.nav h2 { margin: 0 0 .4rem .75rem; font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--nav-muted); }
.nav ul { list-style: none; padding: 0; margin: 0; }
.nav li { margin: .15rem 0; }
.nav a { display: block; padding: .48rem .75rem; border-radius: .4rem; color: #e6ebf3; font-size: .92rem; font-weight: 550; line-height: 1.25; text-decoration: none; }
.nav a:hover { background: #253149; color: #fff; }
.nav a[aria-current="page"] { background: #315ccc; color: #fff; font-weight: 720; box-shadow: inset .2rem 0 #f6c945; }
.nav .documentation-sequence { margin: 0; padding-left: 2.3rem; color: var(--nav-muted); }
.nav .documentation-sequence a { padding-left: .35rem; }
.paper { width: min(calc(100% - 4rem), var(--max)); margin: 2rem; align-self: start; background: var(--paper); border: 1px solid var(--line); border-radius: .75rem; padding: clamp(1.5rem,4vw,3.25rem); box-shadow: 0 8px 30px rgba(26,39,65,.06); min-width: 0; }
.paper h1 { font-size: clamp(2rem,5vw,3.3rem); line-height: 1.08; letter-spacing: -.04em; margin-top: 0; }
.paper h2 { font-size: 1.6rem; line-height: 1.2; margin-top: 2.4rem; }
.paper h3 { font-size: 1.2rem; margin-top: 2rem; }
.paper p,.paper li { max-width: 72ch; }
.paper pre { background: var(--code); color: #e5e7eb; border-radius: .5rem; padding: 1rem; overflow: auto; }
.paper code { font-family: ui-monospace,SFMono-Regular,Consolas,monospace; font-size: .9em; }
.paper :not(pre)>code { background: #eef1f6; color: #24304a; border-radius: .25rem; padding: .1em .3em; }
.paper blockquote { margin: 1rem 0; border-left: .25rem solid #9eb6f0; padding: .15rem 1rem; color: var(--muted); }
.table-scroll { overflow: auto; border: 1px solid var(--line); border-radius: .45rem; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th,td { text-align: left; vertical-align: top; padding: .65rem .75rem; border-bottom: 1px solid var(--line); }
th { background: #f1f4f8; }
.interface-section { margin-top: 2.4rem; }
.interface-disclosure { margin: .75rem 0; border: 1px solid var(--line); border-radius: .55rem; background: var(--paper); }
.interface-disclosure summary { cursor: pointer; padding: .9rem 1rem; font-weight: 750; }
.interface-disclosure[open] summary { border-bottom: 1px solid var(--line); }
.interface-disclosure-body { padding: 1rem; }
.interface-tabs { margin: 1.5rem 0; }
.interface-tab-list { display: flex; gap: .25rem; overflow-x: auto; border-bottom: 1px solid var(--line); }
.interface-tab { flex: 0 0 auto; border: 1px solid transparent; border-bottom: 0; border-radius: .45rem .45rem 0 0; padding: .65rem .85rem; color: var(--muted); font-weight: 720; text-decoration: none; white-space: nowrap; }
.interface-tab:hover { background: #f1f4f8; color: var(--accent-dark); }
.interface-tab[aria-selected="true"] { border-color: var(--line); background: var(--paper); color: var(--ink); box-shadow: inset 0 .2rem var(--accent); }
.interface-tab:focus-visible { outline: 3px solid rgba(36,87,214,.18); outline-offset: -3px; }
.interface-tab-panels { min-width: 0; }
.interface-tab-panel { padding: 1rem 0 .25rem; scroll-margin-top: 1rem; }
.interface-tab-panel:focus-visible { outline: 3px solid rgba(36,87,214,.18); outline-offset: .25rem; }
.interface-tab-panel[hidden] { display: none; }
.interface-tab-panel > .interface-section:first-child { margin-top: 0; }
.interface-group { margin: 1.25rem 0; }
.interface-group-label { margin: 0 0 .65rem; color: var(--muted); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.interface-group-items { display: flex; flex-direction: column; gap: .75rem; }
.interface-group-grid .interface-group-items { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(14rem,100%),1fr)); }
.interface-key-value { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(18rem,100%),1fr)); gap: .8rem 1.25rem; margin: 1rem 0; }
.interface-key-value div { min-width: 0; border-bottom: 1px solid var(--line); padding: .55rem 0 .7rem; }
.interface-key-value dt { color: var(--muted); font-size: .78rem; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.interface-key-value dd { margin: .2rem 0 0; overflow-wrap: anywhere; }
.interface-metric { display: grid; align-content: start; gap: .12rem; min-height: 7rem; border: 1px solid var(--line); border-radius: .6rem; background: #f8fafc; padding: 1rem; }
.interface-metric-label { color: var(--muted); font-size: .8rem; font-weight: 750; }
.interface-metric-value { font-size: clamp(1.45rem,3vw,2rem); line-height: 1.15; overflow-wrap: anywhere; }
.interface-metric-unit { color: var(--muted); font-size: .8rem; }
.interface-progress { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: .35rem 1rem; align-items: center; margin: 1rem 0; border: 1px solid var(--line); border-radius: .6rem; background: #f8fafc; padding: .9rem 1rem; }
.interface-progress-label { font-weight: 750; }
.interface-progress-value { color: var(--muted); font-size: .85rem; }
.interface-progress progress { grid-column: 1 / -1; width: 100%; height: .8rem; accent-color: var(--accent); }
.citation { margin-top: 3rem; border-top: 1px solid var(--line); padding-top: 1rem; color: var(--muted); font-size: .85rem; }
.tool-form label { display: block; font-weight: 700; margin-top: 1rem; }
.tool-form input,.tool-form textarea { width: 100%; font: inherit; padding: .72rem .8rem; border: 1px solid #98a4b5; border-radius: .45rem; background: #fff; }
.tool-form textarea { resize: vertical; }
.tool-form input:focus,.tool-form textarea:focus { outline: 3px solid rgba(36,87,214,.18); border-color: var(--accent); }
.artifact-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; margin: 0 0 2rem; padding: 0 0 1rem; border-bottom: 1px solid var(--line); }
.artifact-actions .button { display: inline-block; width: auto; margin: 0; padding-inline: 1rem; }
.login-wrap,.setup-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login,.setup-card { width: min(32rem,100%); background: #fff; border: 1px solid var(--line); border-radius: .9rem; padding: clamp(1.5rem,5vw,2.5rem); box-shadow: 0 18px 55px rgba(26,39,65,.12); }
.login h1,.setup-card h1 { margin: .2rem 0 .6rem; letter-spacing: -.04em; line-height: 1.1; font-size: clamp(2rem,6vw,2.8rem); }
.login label,.setup-card label { display: block; font-weight: 700; margin-top: 1rem; }
.login input,.setup-card input { width: 100%; font: inherit; padding: .72rem .8rem; border: 1px solid #98a4b5; border-radius: .45rem; background: #fff; }
.login input:focus,.setup-card input:focus { outline: 3px solid rgba(36,87,214,.18); border-color: var(--accent); }
.button { display: block; width: 100%; margin-top: 1.4rem; padding: .78rem; border: 0; border-radius: .45rem; background: var(--accent); color: #fff; font: inherit; font-weight: 750; text-align: center; text-decoration: none; cursor: pointer; }
.button:hover { background: var(--accent-dark); color: #fff; }
.error { background: #fff1f2; color: #9f1239; border: 1px solid #fecdd3; padding: .75rem; border-radius: .4rem; }
.muted,.field-help,.privacy-note { color: var(--muted); }
.eyebrow { margin: 0; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.lede { font-size: 1.05rem; color: var(--muted); margin-top: 0; }
.field-help { font-size: .82rem; margin: .3rem 0 0; }
.field-status { min-height: 1.35rem; margin: .4rem 0 0; color: #17663b; font-size: .82rem; font-weight: 650; }
.inline-actions { display: flex; gap: .6rem; margin-top: .65rem; }
.secondary-button { appearance: none; border: 1px solid #8da0be; border-radius: .45rem; background: #f7f9fc; color: #1d3f80; padding: .6rem .8rem; font: inherit; font-weight: 700; cursor: pointer; }
.secondary-button:hover { border-color: var(--accent); background: #edf3ff; }
.secondary-button:focus-visible { outline: 3px solid rgba(36,87,214,.18); border-color: var(--accent); }
.secondary-button.wide { width: 100%; }
.privacy-note { font-size: .82rem; text-align: center; margin: 1.25rem 0 0; }
.setup-steps { list-style: none; display: grid; grid-template-columns: repeat(3,1fr); gap: .5rem; padding: 0; margin: 1.6rem 0; color: #7b8798; font-size: .75rem; }
.setup-steps li { display: grid; justify-items: center; gap: .35rem; text-align: center; }
.setup-steps span { display: grid; place-items: center; width: 1.75rem; height: 1.75rem; border-radius: 50%; border: 1px solid #c7cfdb; background: #fff; font-weight: 750; }
.setup-steps .active { color: var(--accent); font-weight: 700; }
.setup-steps .active span { border-color: var(--accent); background: #edf3ff; }
.setup-steps .complete { color: #17663b; font-weight: 700; }
.setup-steps .complete span { border-color: #6fc091; background: #ecfdf3; }
.recovery-warning { margin: 1.4rem 0; background: #fff8e6; border: 1px solid #f0c65e; border-radius: .5rem; padding: .85rem 1rem; color: #654a06; }
.recovery-warning p { margin: .2rem 0 0; }
.recovery-secret { white-space: pre-wrap; overflow-wrap: anywhere; background: #111827; color: #f8fafc; border-radius: .5rem; padding: 1rem; font-size: .95rem; }
.recovery-secret code { font-family: ui-monospace,SFMono-Regular,Consolas,monospace; }
@media(max-width:760px) {
  .admin-label { display: none; }
  .layout { display: block; min-height: 0; }
  .nav { padding: 1rem; border-right: 0; }
  .nav-group + .nav-group { margin-top: .35rem; }
  .nav ul { display: flex; flex-wrap: wrap; gap: .25rem; }
  .nav h2 { margin-top: .65rem; }
  .paper { width: calc(100% - 2rem); margin: 1rem; padding: 1.25rem; }
  .user { display: none; }
}
@media(prefers-reduced-motion:reduce) { * { scroll-behavior: auto!important; } }