:root {
  --canvas: oklch(0.972 0.006 78);
  --panel: oklch(0.946 0.009 78);
  --paper: oklch(0.989 0.004 78);
  --ink: oklch(0.25 0.014 60);
  --ink-2: oklch(0.43 0.014 60);
  --ink-3: oklch(0.5 0.012 60);
  --rule: oklch(0.885 0.01 75);
  --rule-strong: oklch(0.8 0.012 75);
  --accent: oklch(0.45 0.085 252);
  --accent-ink: oklch(0.38 0.08 252);
  --accent-wash: oklch(0.935 0.018 252);
  --mark: oklch(0.925 0.07 95);
  --focus: oklch(0.55 0.12 252);
  --shadow: oklch(0.3 0.02 60 / 0.10);

  --ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", sans-serif;
  --serif: ui-serif, "New York", "Iowan Old Style", "Charter", Georgia, serif;

  --sidebar-w: 15.5rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: oklch(0.205 0.008 70);
    --panel: oklch(0.18 0.008 70);
    --paper: oklch(0.235 0.008 70);
    --ink: oklch(0.93 0.01 80);
    --ink-2: oklch(0.79 0.012 75);
    --ink-3: oklch(0.7 0.012 75);
    --rule: oklch(0.32 0.01 70);
    --rule-strong: oklch(0.4 0.012 70);
    --accent: oklch(0.76 0.08 252);
    --accent-ink: oklch(0.82 0.07 252);
    --accent-wash: oklch(0.3 0.03 252);
    --mark: oklch(0.45 0.07 95);
    --focus: oklch(0.72 0.1 252);
    --shadow: oklch(0 0 0 / 0.35);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 400 1rem/1.5 var(--ui);
  -webkit-font-smoothing: antialiased;
  font-kerning: normal;
}
::selection { background: var(--accent-wash); color: var(--ink); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
button { font: inherit; color: inherit; }
a { color: var(--accent-ink); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
.icon { width: 1em; height: 1em; flex: none; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.icon-definitions { position: absolute; }
.skip { position: absolute; left: 1rem; top: -3rem; z-index: 10; background: var(--paper); padding: .5rem .75rem; border-radius: 6px; }
.skip:focus-visible { top: 1rem; }

/* ---------- Shell ---------- */
.shell { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; min-height: 100dvh; }

.sidebar {
  position: sticky; top: 0; height: 100vh; height: 100dvh;
  background: var(--panel);
  border-right: 1px solid var(--rule);
  display: flex; flex-direction: column;
  padding: 1.6rem 1rem 1.25rem;
}
.brand { display: flex; align-items: baseline; gap: .5rem; padding: 0 .6rem; margin-bottom: 2rem; }
.brand-name { font: 600 1.3rem/1.1 var(--serif); letter-spacing: -0.01em; margin: 0; }
.brand-sub { font-size: .8125rem; color: var(--ink-3); }

.nav-group + .nav-group { margin-top: 1.6rem; }
.nav-label { font-size: .75rem; font-weight: 600; color: var(--ink-3); padding: 0 .6rem; margin: 0 0 .4rem; }
.nav-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; }
.nav-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .45rem .6rem; border: 0; border-radius: 7px; background: transparent;
  text-align: left; font-size: .9375rem; color: var(--ink-2); cursor: pointer;
  transition: background-color .15s, color .15s;
}
.nav-btn:hover { background: color-mix(in oklch, var(--ink) 6%, transparent); color: var(--ink); }
.nav-btn[aria-pressed="true"] { background: var(--paper); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px var(--shadow); }
.nav-count { font-size: .8125rem; color: var(--ink-3); font-variant-numeric: tabular-nums; font-weight: 400; }

.sidebar-foot { margin-top: auto; padding: 0 .6rem; font-size: .8125rem; color: var(--ink-3); line-height: 1.45; }
.demo-pill { display: inline-flex; align-items: center; gap: .4rem; }
.demo-dot { width: .45rem; height: .45rem; border-radius: 50%; background: var(--mark); box-shadow: 0 0 0 1px var(--rule-strong); }

/* ---------- Main ---------- */
.main { min-width: 0; }
.searchbar {
  position: sticky; top: 0; z-index: 3;
  background: color-mix(in oklch, var(--canvas) 92%, transparent);
  -webkit-backdrop-filter: saturate(1.2) blur(10px); backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid transparent;
  padding: 1.5rem clamp(1.25rem, 3vw, 2.75rem) 1rem;
  transition: border-color .2s;
}
.searchbar.scrolled { border-bottom-color: var(--rule); }
.search-inner { max-width: 46rem; }
.search-label { display: block; font-size: .875rem; font-weight: 600; color: var(--ink-2); margin: 0 0 .5rem .1rem; }
.search-field {
  position: relative; display: flex; align-items: center;
  background: var(--paper); border: 1px solid var(--rule-strong); border-radius: 11px;
  box-shadow: 0 1px 2px var(--shadow);
  transition: border-color .15s, box-shadow .15s;
}
.search-field:focus-within { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in oklch, var(--focus) 22%, transparent), 0 1px 2px var(--shadow); }
.search-field > .icon { position: absolute; left: .95rem; width: 1.15rem; height: 1.15rem; color: var(--ink-3); pointer-events: none; }
.search-input {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink);
  font: 400 1.0625rem/1.4 var(--ui); padding: .85rem .5rem .85rem 2.75rem;
  -webkit-appearance: none; appearance: none; caret-color: var(--accent);
}
.search-input::placeholder { color: var(--ink-3); opacity: 1; }
.search-input::-webkit-search-cancel-button { display: none; }
.search-input:focus-visible { outline: none; }
.kbd { font: 500 .75rem/1 var(--ui); color: var(--ink-3); border: 1px solid var(--rule-strong); border-bottom-width: 2px; border-radius: 5px; padding: .25rem .4rem; margin-right: .8rem; }
.clear-btn {
  display: none; align-items: center; gap: .3rem; margin-right: .45rem;
  border: 0; background: transparent; color: var(--ink-2); font-size: .875rem;
  padding: .45rem .6rem; border-radius: 7px; cursor: pointer;
}
.clear-btn:hover { background: color-mix(in oklch, var(--ink) 7%, transparent); color: var(--ink); }
.has-query .clear-btn { display: inline-flex; }
.has-query .kbd { display: none; }

.search-help { display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem .5rem; margin: .7rem .1rem 0; font-size: .8125rem; color: var(--ink-3); }
.try-btn {
  border: 1px solid var(--rule-strong); background: transparent; color: var(--ink-2);
  font-size: .8125rem; padding: .2rem .6rem; border-radius: 999px; cursor: pointer;
  transition: background-color .15s, border-color .15s, color .15s;
}
.try-btn:hover { background: var(--paper); border-color: var(--accent); color: var(--accent-ink); }
.help-note { flex-basis: 100%; margin: .15rem 0 0; }

/* ---------- Content: list + reader ---------- */
.content {
  display: grid; grid-template-columns: minmax(0, 46rem);
  padding: .5rem clamp(1.25rem, 3vw, 2.75rem) 4rem;
  gap: 0 2.5rem;
}
.status { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: .25rem 0 .8rem; border-bottom: 1px solid var(--rule); }
.count { margin: 0; font-size: .875rem; color: var(--ink-2); }
.count strong { color: var(--ink); font-weight: 600; }
.link-btn { white-space: nowrap; flex: none; border: 0; background: none; padding: .2rem 0; color: var(--accent-ink); font-size: .875rem; cursor: pointer; text-decoration: underline; text-underline-offset: .18em; text-decoration-thickness: 1px; }
.link-btn:hover { text-decoration-thickness: 2px; }

.results { list-style: none; margin: 0; padding: 0; }
.results > li { border-bottom: 1px solid var(--rule); }
.row {
  display: block; position: relative; text-decoration: none; color: inherit;
  padding: 1.15rem .9rem 1.2rem; margin: 0 -.9rem; border-radius: 10px;
  transition: background-color .15s;
}
.row:hover { background: color-mix(in oklch, var(--paper) 80%, transparent); }
.row:focus-visible { outline-offset: -2px; }
.row[aria-current="true"] { background: var(--accent-wash); }
.row-title { font: 600 1.1875rem/1.3 var(--serif); letter-spacing: -0.005em; margin: 0 0 .3rem; color: var(--ink); text-wrap: balance; }
.row:hover .row-title { color: var(--accent-ink); }
.row-summary { margin: 0 0 .55rem; color: var(--ink-2); font-size: .9375rem; line-height: 1.5; max-width: 62ch; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.row-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .2rem .55rem; font-size: .8125rem; color: var(--ink-3); }
.row-meta .sep { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .6; }
.row-meta .proj { color: var(--ink-2); font-weight: 500; }
.row-why { margin: .45rem 0 0; font-size: .8125rem; color: var(--ink-3); }
.row-why b { font-weight: 500; color: var(--ink-2); }
mark { background: var(--mark); color: inherit; border-radius: 2px; padding: 0 .08em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

.empty { padding: 3rem 0 2rem; max-width: 34rem; }
.empty h2 { font: 600 1.35rem/1.3 var(--serif); margin: 0 0 .5rem; text-wrap: balance; }
.empty p { color: var(--ink-2); margin: 0 0 1.1rem; }
.empty-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.btn {
  display: inline-flex; align-items: center; gap: .4rem; cursor: pointer;
  border: 1px solid var(--rule-strong); background: var(--paper); color: var(--ink);
  font-size: .875rem; font-weight: 500; padding: .5rem .85rem; border-radius: 8px;
  transition: border-color .15s, background-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.btn-primary:hover { background: var(--accent-ink); }

/* Reader */
.reader { display: none; min-width: 0; }
.reader:focus, .results:focus { outline: none; }
.reading .reader { display: block; }
.reader-inner { animation: rise .32s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.reader-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .25rem 0 .8rem; border-bottom: 1px solid var(--rule); }
.back-btn {
  display: inline-flex; align-items: center; gap: .4rem; border: 0; background: transparent;
  color: var(--accent-ink); font-size: .9375rem; padding: .35rem .55rem .35rem .3rem; margin-left: -.3rem; border-radius: 7px; cursor: pointer;
}
.back-btn:hover { background: color-mix(in oklch, var(--accent) 10%, transparent); }
.back-btn .icon { width: 1.1rem; height: 1.1rem; }
.close-btn { display: none; }
.reader-tag { font-size: .8125rem; color: var(--ink-3); }

.doc { max-width: 40rem; padding: 2rem 0 3rem; }
.doc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .2rem .55rem; font-size: .875rem; color: var(--ink-3); margin: 0 0 .9rem; }
.doc-meta .proj { color: var(--ink-2); font-weight: 500; }
.doc-meta .sep { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .6; }
.doc h1 { font: 650 clamp(1.75rem, 1.2rem + 1.6vw, 2.35rem)/1.15 var(--serif); letter-spacing: -0.018em; margin: 0 0 1rem; text-wrap: balance; }
.lede { font: 400 1.1875rem/1.55 var(--serif); color: var(--ink-2); margin: 0 0 1.5rem; text-wrap: pretty; }
.published {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .6rem 1rem;
  padding: .8rem 1rem; margin: 0 0 1.75rem; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper);
  font-size: .875rem; color: var(--ink-2);
}
.published a { display: inline-flex; align-items: center; gap: .35rem; font-weight: 600; }
.doc-body { font: 400 1.0625rem/1.68 var(--serif); color: var(--ink); }
.doc-body h2 { font: 600 1.3rem/1.3 var(--serif); margin: 2.2rem 0 .6rem; letter-spacing: -0.008em; text-wrap: balance; }
.doc-body h3 { font: 600 .9375rem/1.4 var(--ui); margin: 1.6rem 0 .4rem; }
.doc-body p { margin: 0 0 1rem; max-width: 68ch; text-wrap: pretty; }
.doc-body ul, .doc-body ol { margin: 0 0 1.1rem; padding-left: 1.3rem; }
.doc-body li { margin: 0 0 .4rem; padding-left: .2rem; }
.doc-body li::marker { color: var(--ink-3); }
.doc-body strong { font-weight: 650; }
.doc-body table { width: 100%; border-collapse: collapse; margin: .5rem 0 1.4rem; font: 400 .9375rem/1.45 var(--ui); font-variant-numeric: tabular-nums; }
.doc-body th, .doc-body td { text-align: left; padding: .55rem .75rem .55rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.doc-body th { font-weight: 600; color: var(--ink-2); font-size: .8125rem; border-bottom-color: var(--rule-strong); }
.doc-body .note { font: 400 .9375rem/1.55 var(--ui); color: var(--ink-2); padding: .9rem 1rem; background: var(--panel); border-radius: 10px; margin: 1.4rem 0; }
.doc-foot { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: .8125rem; color: var(--ink-3); }

/* Split pane on wide screens */
@media (min-width: 1180px) {
  .shell { height: 100vh; height: 100dvh; overflow: hidden; }
  .main { height: 100%; display: flex; flex-direction: column; min-height: 0; }
  .searchbar { flex: none; }
  .content { flex: 1; min-height: 0; padding-bottom: 1.25rem; }
  .list-pane { min-height: 0; overflow-y: auto; padding: 0 .9rem; margin: 0 -.9rem; }
  .reading .content { grid-template-columns: minmax(20rem, 27rem) minmax(0, 1fr); max-width: none; }
  .reading .list-pane .row-summary { -webkit-line-clamp: 2; font-size: .875rem; }
  .reading .list-pane .row-title { font-size: 1.0625rem; }
  .reading .reader {
    min-height: 0; height: 100%;
    overflow: auto; overscroll-behavior: contain;
    background: var(--paper); border: 1px solid var(--rule); border-radius: 14px;
    box-shadow: 0 1px 2px var(--shadow), 0 12px 32px -18px var(--shadow);
    padding: 0 clamp(1.5rem, 3vw, 3rem);
  }
  .reading .reader-bar { position: sticky; top: 0; background: var(--paper); padding-top: 1rem; z-index: 1; }
  .reading .back-btn { display: none; }
  .reading .close-btn { display: inline-flex; }
}
@media (max-width: 1179.98px) {
  .reading .list-pane { display: none; }
}

/* ---------- Compact ---------- */
@media (max-width: 760px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--rule);
    padding: calc(.9rem + env(safe-area-inset-top)) 0 .7rem;
  }
  .brand { margin: 0 0 .7rem; padding: 0 1.25rem; }
  .nav-group + .nav-group { margin-top: 0; }
  .nav-label { display: none; }
  .nav-wrap { display: flex; gap: .35rem; overflow-x: auto; padding: .1rem 1.25rem .2rem; scrollbar-width: none; scroll-padding: 0 1.25rem; }
  .nav-wrap::-webkit-scrollbar { display: none; }
  .nav-group { display: contents; }
  .nav-list { display: flex; gap: .35rem; }
  .nav-btn { white-space: nowrap; border: 1px solid var(--rule-strong); border-radius: 999px; padding: .4rem .8rem; font-size: .875rem; }
  .nav-btn[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); box-shadow: none; }
  .nav-btn[aria-pressed="true"] .nav-count { color: color-mix(in oklch, var(--paper) 75%, transparent); }
  .sidebar-foot { margin: .7rem 0 0; padding: 0 1.25rem; }
  .searchbar { padding: .9rem 1.25rem .8rem; }
  .kbd { display: none; }
  .content { padding: .25rem 1.25rem calc(3rem + env(safe-area-inset-bottom)); }
  .row { padding: 1rem .75rem 1.05rem; margin: 0 -.75rem; }
  .row-title { font-size: 1.125rem; }
  .doc { padding-top: 1.4rem; }
  .doc-body { font-size: 1.03rem; }
  .doc-body table { display: block; overflow-x: auto; }
  .reading .searchbar { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* Fixed desktop layer avoids WebKit sticky/grid intrinsic-height clipping. */
[hidden] { display: none !important; }
@media (min-width: 761px) {
  .shell { display: block; min-height: 100vh; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w); height: 100vh; height: 100dvh; overflow-y: auto; }
  .sidebar > * { flex-shrink: 0; }
  .nav-wrap { display: block; }
  .main { margin-left: var(--sidebar-w); }
}
.sidebar-foot .link-btn { color: var(--ink-2); }
.report-frame { display: block; width: 100%; min-height: 65vh; height: 75vh; border: 1px solid var(--rule); background: var(--paper); border-radius: 6px; }
.doc { max-width: none; }
.reading .reader { padding: 0 1.25rem; }
.row-snippet { margin: .65rem 0 0; color: var(--ink-2); font: .875rem/1.55 var(--serif); max-width: 65ch; }
.loading { color: var(--ink-3); padding: 1rem 0; }
.error { color: var(--ink-2); }
.landing { min-height: 100vh; min-height: 100dvh; display: grid; grid-template-columns: 1fr 1fr; }
.landing-intro { background: var(--panel); border-right: 1px solid var(--rule); padding: clamp(2rem,6vw,6rem); display: flex; flex-direction: column; }
.landing-intro .brand { padding: 0; }
.landing-copy { margin: auto 0; padding: 3rem 0; max-width: 32rem; }
.landing-copy h1 { font: 600 clamp(2.4rem,4vw,3.8rem)/1.1 var(--serif); letter-spacing: -.025em; margin: 0 0 1.5rem; text-wrap: balance; }
.landing-copy p { font: 1.15rem/1.65 var(--serif); color: var(--ink-2); max-width: 32ch; }
.landing-foot { color: var(--ink-3); font-size: .8125rem; }
.login-wrap { padding: 3rem clamp(1.5rem,6vw,6rem); display: flex; align-items: center; justify-content: center; }
.login-form { width: 100%; max-width: 22rem; }
.login-form h2 { font: 600 1.9rem/1.2 var(--serif); margin: 0 0 .65rem; }
.login-form > p { color: var(--ink-2); font-size: .9375rem; margin: 0 0 2rem; }
.login-form label { display: block; font-weight: 500; font-size: .875rem; margin: 1.25rem 0 .5rem; }
.login-form input { width: 100%; padding: .8rem .9rem; border: 1px solid var(--rule-strong); border-radius: 8px; background: var(--paper); color: var(--ink); font: inherit; caret-color: var(--accent); }
.login-form .btn { width: 100%; justify-content: center; margin-top: 1.6rem; padding: .8rem; }
.login-form .login-error { font-size: .875rem; margin: 1rem 0 0; min-height: 2.5rem; }
button:disabled { cursor: wait; opacity: .65; }
* { scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; }
@media(max-width:760px) {
 .landing { display: block; }
 .landing-intro { border-right: 0; border-bottom: 1px solid var(--rule); padding: 1.5rem 1.5rem 1rem; }
 .landing-intro .brand { margin-bottom: 1.25rem; }
 .landing-copy { padding: .5rem 0; }
 .landing-copy h1 { font-size: 2.3rem; max-width: 15ch; margin-bottom: .9rem; }
 .landing-copy p { font-size: 1.05rem; margin-bottom: .5rem; }
 .landing-foot { display: none; }
 .login-wrap { padding: 2rem 1.5rem; }
 .login-form h2 { font-size: 1.6rem; }
 .login-form > p { margin-bottom: 1.5rem; }
 .sidebar-foot { margin-top: .4rem; }
 .sidebar-foot .link-btn { font-size: .8125rem; }
 .report-frame { min-height: 70vh; }
}
/* Real report excerpts can contain unbroken URLs and text diagrams. */
.row-title, .row-summary, .row-snippet, .lede, .doc-meta { overflow-wrap: anywhere; }
.row-snippet { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 760px) {
  .shell { display: block; }
}