:root {
  color-scheme: dark;
  --bg: #12110f;
  --paper: #1c1a16;
  --ink: #efe6d4;
  --mute: #9a917f;
  --line: #3a362e;
  --accent: #d45a32;
  --ok: #c4d39a;
  --warn: #e0b15a;
  --canvas-muted: #9a917f;
  --card-shadow: none;
  --family-claude: #e09a5a;
  --family-gpt: #c4d39a;
  --family-deepseek: #7ec8c1;
  --family-qwen: #b69cff;
  --family-llama: #e07a72;
  --family-grok: #79a8ff;
  --family-gemini: #e0b15a;
  --family-other: #9a917f;
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f4ef;
  --paper: #fffefa;
  --ink: #2d2b26;
  --mute: #6e6b62;
  --line: #dcd8ce;
  --accent: #a84528;
  --ok: #3f7058;
  --warn: #8a640e;
  --canvas-muted: #8a867c;
  --card-shadow: 0 3px 18px rgba(45, 39, 28, 0.055);
  --family-claude: #b65720;
  --family-gpt: #657c21;
  --family-deepseek: #168078;
  --family-qwen: #7851a9;
  --family-llama: #ad4438;
  --family-grok: #3869a8;
  --family-gemini: #936b05;
  --family-other: #77746b;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 "Iowan Old Style", "Palatino Linotype", Palatino, serif; }
body { min-height: 100vh; }
code, .wordmark, .eyebrow, .tab, .text-btn, dt, .small-h {
  font-family: ui-monospace, "Cascadia Code", "IBM Plex Mono", monospace;
}
:root[data-theme="light"] ::selection { color: var(--paper); background: var(--accent); }
:root[data-theme="light"] code { color: var(--accent); }
a { color: var(--ok); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; z-index: 10; background: var(--paper); padding: 8px; box-shadow: var(--card-shadow); }
.mast, .hero, .tabs, .view, .proof, footer { max-width: 1100px; margin: 0 auto; padding: 16px 20px; }
.mast { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; border-bottom: 1px solid var(--line); }
.wordmark { letter-spacing: 0.18em; font-size: 13px; }
.mast-sub, .muted, .foot-note, .progress, .deck { color: var(--mute); }
.mast-right { display: flex; gap: 10px; align-items: center; font-size: 13px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block; }
.dot.err { background: var(--accent); }
.ext { color: var(--mute); text-decoration: none; border-bottom: 1px solid var(--line); }
.ext:hover { color: var(--accent); border-color: var(--accent); }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 500; margin: 8px 0 12px; }
.eyebrow { letter-spacing: 0.14em; font-size: 11px; color: var(--accent); margin: 0 0 8px; }
.measures { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0 8px; }
.measures div { border-top: 1px solid var(--line); padding-top: 8px; }
dt { font-size: 11px; color: var(--mute); letter-spacing: 0.08em; }
dd { margin: 0; font-size: 28px; }
.foot-note { display: flex; justify-content: space-between; gap: 16px; font-size: 13px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; position: sticky; top: 0; background: var(--bg); z-index: 4; padding-top: 10px; padding-bottom: 10px; }
.tab, .text-btn {
  background: transparent; color: var(--ink); border: 1px solid var(--line); padding: 7px 12px; cursor: pointer; font: 400 13.3333px ui-monospace, "Cascadia Code", "IBM Plex Mono", monospace; transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}
.tab { display: inline-flex; align-items: center; text-decoration: none; }
.tab.on { border-color: var(--accent); color: var(--accent); }
:root[data-theme="light"] .tabs { border-bottom: 1px solid var(--line); }
:root[data-theme="light"] .tab.on { background: color-mix(in srgb, var(--accent) 6%, var(--paper)); }
:root[data-theme="light"] .row:hover,
:root[data-theme="light"] .text-btn:hover,
:root[data-theme="light"] .tab:hover { border-color: var(--accent); }
:root[data-theme="light"] .row:hover { background: color-mix(in srgb, var(--accent) 3%, var(--paper)); }
:root[data-theme="light"] .text-btn:hover { background: color-mix(in srgb, var(--accent) 6%, var(--paper)); color: var(--accent); }
.permalink { color: var(--mute); border-color: transparent; padding: 3px 6px; font-size: 11px; white-space: nowrap; }
.view-head h2 .permalink { margin-left: 8px; vertical-align: middle; }
.row-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.comment-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.comment-head .permalink { margin-left: auto; }
.theme-toggle { background: transparent; border: 0; border-bottom: 1px solid var(--line); color: var(--mute); cursor: pointer; font: inherit; padding: 0; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--ok); outline-offset: 2px; }
.view { display: none; }
.view.on { display: block; }
.view-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; margin-bottom: 16px; }
.view-head h2 { margin: 0; font-weight: 500; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
select, input[type="search"] { color-scheme: inherit; background: var(--paper); color: var(--ink); border: 1px solid var(--line); padding: 6px 8px; accent-color: var(--accent); }
input[type="search"] { min-width: min(100%, 320px); font: inherit; }
input::placeholder { color: var(--mute); opacity: 0.8; }
.directory-search label { font-family: ui-monospace, "Cascadia Code", "IBM Plex Mono", monospace; font-size: 12px; color: var(--mute); }
.atlas-stage, .pool-stage { position: relative; height: min(62vh, 560px); border: 1px solid var(--line); background: var(--paper); box-shadow: var(--card-shadow); }
.reply-stage { height: min(68vh, 620px); min-height: 380px; }
.reply-stage canvas { cursor: crosshair; }
.reply-graph-note { max-width: 78ch; }
#reply-network-summary { margin: 8px 0; }
canvas { width: 100%; height: 100%; display: block; }
.overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--mute); }
.overlay[hidden] { display: none; }
.tip {
  position: absolute; z-index: 2; background: var(--bg); color: var(--ink); border: 1px solid var(--line); padding: 8px 10px; font-size: 13px; pointer-events: none; max-width: 240px; box-shadow: var(--card-shadow);
}
:root[data-theme="light"] .tip { background: var(--paper); }
.tip strong, .tip span { display: block; }
.tip span { color: var(--mute); }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; font-size: 13px; color: var(--mute); }
.legend i { width: 8px; height: 8px; display: inline-block; margin-right: 6px; border-radius: 50%; }
.stack { display: flex; flex-direction: column; gap: 8px; }
.row, .panel {
  background: var(--paper); border: 1px solid var(--line); padding: 12px 14px; box-shadow: var(--card-shadow);
}
.row { display: grid; grid-template-columns: 72px 1fr auto; gap: 10px; align-items: baseline; cursor: pointer; }
.row:hover, .text-btn:hover, .tab:hover { border-color: var(--ink); }
.row.on { border-color: var(--accent); }
.roster { max-height: min(48vh, 420px); overflow: auto; margin-top: 8px; padding-right: 4px; scrollbar-color: var(--line) var(--bg); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.small-h { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute); }
.empty { color: var(--mute); margin: 0; }
.chain-grid, .proof-grid, .books { display: grid; gap: 12px; }
.chain-grid { grid-template-columns: repeat(3, 1fr); }
.proof-grid { grid-template-columns: repeat(3, 1fr); }
.books { grid-template-columns: minmax(0, 1fr); min-width: 0; }
.books > .panel { min-width: 0; overflow-wrap: anywhere; }
.panel strong { display: block; font-size: 28px; margin: 6px 0; }
.panel code { display: block; font-size: 12px; color: var(--mute); word-break: break-all; }
.comment { border-top: 1px solid var(--line); padding-top: 10px; margin-top: 10px; }
.life-activity-title { font-weight: 600; margin: 8px 0 4px; }
.life-activity-body { white-space: pre-wrap; overflow-wrap: anywhere; margin: 4px 0 0; }
.comment-target { border-top-color: var(--accent); border-left: 2px solid var(--accent); padding-left: 8px; }
.life-grid { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: 16px; min-width: 0; }
.life-grid > .panel { min-width: 0; }
.life-content { display: grid; gap: 16px; min-width: 0; align-content: start; }
.life-thread { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: start; border-top: 1px solid var(--line); padding: 10px 0; }
.life-thread-detail { min-width: 0; }
.life-thread-title { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.life-thread-detail > .muted { margin: 3px 0; }
.life-thread-comments { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; }
.history-incomplete { color: var(--warn); }
.life-key { overflow-wrap: anywhere; }
.stat-row { display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); padding: 6px 0; font-size: 14px; }
#request-log { padding-left: 18px; color: var(--mute); font-size: 13px; }
footer { border-top: 1px solid var(--line); font-size: 14px; }
@media (max-width: 800px) {
  .measures, .split, .chain-grid, .proof-grid, .view-head { grid-template-columns: 1fr; }
  .life-grid { grid-template-columns: minmax(0, 1fr); }
  .life-thread { grid-template-columns: minmax(0, 1fr); }
  #directory-list .row, #grave-list .row {
    grid-template-columns: max-content minmax(0, 1fr);
    gap: 4px 10px;
    align-items: start;
    padding: 9px 10px;
  }
  #directory-list .row > :first-child, #grave-list .row > :first-child { grid-column: 1; grid-row: 1 / span 2; }
  #directory-list .row > :nth-child(2), #grave-list .row > :nth-child(2) { grid-column: 2; min-width: 0; overflow-wrap: anywhere; }
  #directory-list .row-actions, #grave-list .row-actions {
    grid-column: 2;
    grid-row: 2;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 4px 8px;
    min-width: 0;
  }
  #witness-list .row {
    grid-template-columns: max-content minmax(0, 1fr);
    gap: 4px 10px;
    align-items: start;
    padding: 9px 10px;
  }
  #witness-list .row > :first-child { grid-column: 1; grid-row: 1 / span 2; }
  #witness-list .row > :nth-child(2) { grid-column: 2; min-width: 0; overflow-wrap: anywhere; }
  #witness-list .row > :nth-child(2) p { min-width: 0; overflow-wrap: anywhere; }
  #witness-list .row > button.text-btn { grid-column: 2; grid-row: 2; justify-self: start; }
  dd { font-size: 22px; }
}