:root {
  --bg: #f6f4ef;
  --panel: #fbfaf7;
  --paper: #ffffff;
  --ink: #1d1c1a;
  --ink-2: #5d5a54;
  --ink-3: #8f8b83;
  --line: #e6e2d9;
  --hover: #efece5;
  --selected: #e9e4d8;
  --accent: #c2410c;
  --accent-soft: #fbe7dc;
  --code: #f2efe8;
  --danger: #b42318;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17171a;
    --panel: #1c1c20;
    --paper: #212126;
    --ink: #ecebe8;
    --ink-2: #aeaba5;
    --ink-3: #7c7973;
    --line: #2e2e34;
    --hover: #26262c;
    --selected: #2f2d2b;
    --accent: #fb923c;
    --accent-soft: #3a2619;
    --code: #2a2a30;
    --danger: #f97066;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font: 15px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
button { font: inherit; color: inherit; cursor: pointer; }
a { color: var(--accent); }

.shell { display: grid; grid-template-columns: 220px 360px 1fr; height: 100dvh; }

.sidebar { background: var(--bg); padding: 18px 12px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.brand { font: 600 17px var(--serif); padding: 4px 10px 18px; display: flex; align-items: center; gap: 8px; }
.mark { color: var(--accent); }
.nav { display: flex; flex-direction: column; gap: 1px; }
.nav-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); padding: 18px 10px 6px; }
.nav button { all: unset; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; border-radius: 7px; color: var(--ink-2); font-size: 14px; }
.nav button:hover { background: var(--hover); }
.nav button.active { background: var(--selected); color: var(--ink); font-weight: 500; }
.nav .count { font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.nav .count.unread { color: var(--accent); font-weight: 600; }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 6px; padding: 10px; }
.link { all: unset; cursor: pointer; font-size: 13px; color: var(--ink-3); }
.link:hover { color: var(--ink); }

.list-pane { background: var(--panel); border-left: 1px solid var(--line); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.list-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.list-head h2 { font: 600 16px var(--sans); margin: 0; flex: 1; white-space: nowrap; }
#search { width: 140px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 7px; padding: 5px 9px; font: inherit; font-size: 13px; }
#search:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.icon { all: unset; cursor: pointer; padding: 4px 8px; border-radius: 6px; color: var(--ink-2); }
.icon:hover { background: var(--hover); }
.menu { display: none; }

.items { list-style: none; margin: 0; padding: 6px; overflow-y: auto; flex: 1; }
.items li { padding: 11px 12px 12px 22px; border-radius: 9px; cursor: pointer; position: relative; }
.items li:hover { background: var(--hover); }
.items li.selected { background: var(--selected); }
.items li.unread::before { content: ""; position: absolute; left: 8px; top: 18px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.items .meta { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--ink-3); }
.items .title { font-weight: 500; margin: 2px 0; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.items li.unread .title { color: var(--ink); font-weight: 600; }
.items .summary { font-size: 13px; color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.items .placeholder { color: var(--ink-3); text-align: center; padding: 48px 16px; cursor: default; }
.items .placeholder:hover { background: none; }

.reader { overflow-y: auto; background: var(--paper); min-width: 0; }
.reader .empty { height: 100%; display: grid; place-items: center; color: var(--ink-3); }
.toolbar { position: sticky; top: 0; z-index: 2; display: flex; gap: 4px; align-items: center; padding: 10px 20px; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.toolbar .spacer { flex: 1; }
.toolbar .back { display: none; }
.toolbar button { all: unset; cursor: pointer; font-size: 13px; padding: 5px 10px; border-radius: 6px; color: var(--ink-2); }
.toolbar button:hover { background: var(--hover); color: var(--ink); }
.doc { max-width: 720px; margin: 0 auto; padding: 36px 32px 96px; }
.doc.wide { max-width: 1040px; }
.doc-head { margin-bottom: 28px; }
.doc-head .eyebrow { font-size: 12px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 6px 12px; }
.chip { background: var(--accent-soft); color: var(--accent); border-radius: 99px; padding: 1px 8px; font-weight: 500; }
.tag { color: var(--ink-3); }
.doc-head h1 { font: 600 34px/1.15 var(--serif); letter-spacing: -.01em; margin: 10px 0 8px; }
.doc-head .lede { font-size: 17px; color: var(--ink-2); margin: 0; }

.prose { font-size: 16px; line-height: 1.7; }
.prose h1, .prose h2, .prose h3 { font-family: var(--serif); line-height: 1.25; margin: 1.8em 0 .5em; }
.prose h1 { font-size: 28px; } .prose h2 { font-size: 23px; } .prose h3 { font-size: 19px; }
.prose p, .prose ul, .prose ol { margin: 0 0 1em; }
.prose li { margin: .25em 0; }
.prose li:has(> input[type=checkbox]) { list-style: none; margin-left: -1.4em; }
.prose li input[type=checkbox] { margin-right: 6px; accent-color: var(--accent); }
.prose blockquote { margin: 1.2em 0; padding: 2px 18px; border-left: 3px solid var(--accent); color: var(--ink-2); }
.prose code { font: 13.5px var(--mono); background: var(--code); padding: 2px 5px; border-radius: 4px; }
.prose pre { background: var(--code); padding: 14px 16px; border-radius: 9px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose img { max-width: 100%; border-radius: 9px; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 2em 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; margin: 1.2em 0; display: block; overflow-x: auto; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.prose th { font-weight: 600; color: var(--ink-2); }
.prose .mermaid { display: flex; justify-content: center; margin: 1.5em 0; background: none; }
.html-frame { width: 100%; border: 0; display: block; min-height: 120px; background: var(--paper); }

.gate { display: grid; place-items: center; padding: 16px; }
.gate-card { width: 100%; max-width: 380px; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 32px; }
.gate-card h1 { font: 600 24px var(--serif); margin: 6px 0 14px; }
.gate-card .mark { font-size: 22px; }
.gate-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--ink-2); margin: 18px 0; }
.gate-card input { font: inherit; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.gate-card button { background: var(--ink); color: var(--paper); border: 0; border-radius: 8px; padding: 9px 16px; font-weight: 500; }
.gate-card button.secondary { background: transparent; color: var(--ink-2); border: 1px solid var(--line); }
.gate-card .row { display: flex; gap: 8px; margin-top: 22px; }
.gate-card .muted { color: var(--ink-3); font-size: 13px; }
.gate-card .error { color: var(--danger); font-size: 14px; }

@media (max-width: 1100px) {
  .shell { grid-template-columns: 300px 1fr; }
  .sidebar { display: none; }
  .shell.menu-open .sidebar { display: flex; position: fixed; inset: 0 auto 0 0; width: 240px; z-index: 10; box-shadow: 0 0 40px #0004; }
  .menu { display: block; }
}

@media (max-width: 720px) {
  .shell { grid-template-columns: 1fr; }
  .shell[data-view=reader] .list-pane { display: none; }
  .shell[data-view=list] .reader { display: none; }
  .toolbar .back { display: block; }
  .doc { padding: 24px 16px 80px; }
  .doc-head h1 { font-size: 27px; }
  #search { width: 110px; }
}

.star { color: var(--accent); }
#read-all { font-size: 12px; white-space: nowrap; }
kbd { font: 11px var(--mono); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; margin-left: 4px; }
.help { border: 1px solid var(--line); border-radius: 14px; background: var(--paper); color: var(--ink); padding: 24px 28px; width: min(360px, calc(100vw - 32px)); }
.help::backdrop { background: #0006; }
.help h3 { font: 600 19px var(--serif); margin: 0 0 14px; }
.help dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 0 0 20px; font-size: 14px; }
.help dt { font: 13px var(--mono); color: var(--ink-2); }
.help dd { margin: 0; }
.help button { all: unset; cursor: pointer; font-size: 13px; padding: 6px 12px; border-radius: 7px; border: 1px solid var(--line); }
@media (max-width: 720px) { #read-all { display: none; } }

.frame-note { font-size: 12px; color: var(--ink-3); margin: 0 0 10px; }
.agents { list-style: none; margin: 0 0 22px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.agents li { display: flex; justify-content: space-between; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 9px; padding: 9px 12px; }
.agents li div { display: flex; flex-direction: column; }
.agents li span { font-size: 12px; color: var(--ink-3); }
.help .muted { font-size: 13px; color: var(--ink-3); margin: -6px 0 12px; }
.help .row { display: flex; gap: 8px; }
.help .danger { color: var(--danger); border-color: var(--danger); }
.help { width: min(440px, calc(100vw - 32px)); }
.gate-card .check { flex-direction: row; align-items: center; gap: 8px; margin: 18px 0 4px; color: var(--ink); font-size: 14px; }
.gate-card .check input { width: 16px; height: 16px; accent-color: var(--accent); }

.token-form { display: flex; gap: 8px; margin: -10px 0 14px; }
.token-form input { flex: 1; font: inherit; font-size: 13px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--ink); }
.token-new { border: 1px solid var(--accent); background: var(--accent-soft); border-radius: 9px; padding: 10px 12px; margin: 0 0 20px; font-size: 13px; }
.token-new p { margin: 0 0 6px; }
.token-new code { display: block; font: 12px var(--mono); word-break: break-all; margin-bottom: 8px; }