/* Redesign "wow" features: live homelab dashboard, hosting diagram, reader tools
   (focus mode, listen), command-palette upgrades. Own file, versioned by filemtime
   (redesign.css is served immutable for 30 days). Colours come from the :root tokens,
   so the dark theme needs no extra rules. */

/* Visually hidden, still announced by screen readers (the base theme only styles :focus). */
.screen-reader-text{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal !important}

/* =========================================================
   Live homelab dashboard  ([yawc_homelab_live])
   ========================================================= */
.yawc-live{margin:1.5em 0;clear:both}
/* The dashboard needs more room than the 680px reading column: break out of it, centred. */
@media (min-width:900px){
  .prose .yawc-live{position:relative;left:50%;transform:translateX(-50%);width:min(1040px,calc(100vw - 64px))}
}
.yawc-live__status{margin:0 0 16px}
.yawc-live__status.is-warn{color:var(--rouge)}
.yawc-live__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin-bottom:22px}
.yawc-live__card{
  border:1px solid var(--rule);background:var(--paper-2);padding:16px 18px 14px;min-width:0;
  display:flex;flex-direction:column;gap:6px;
}
.yawc-live__card.is-good{border-top:3px solid var(--sap)}
.yawc-live__card.is-warn{border-top:3px solid var(--rouge)}
.yawc-live__label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.yawc-live__value{font-family:"Instrument Serif",serif;font-size:clamp(34px,4.4vw,48px);line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.yawc-live__value small{font-family:"JetBrains Mono",monospace;font-size:.32em;letter-spacing:.06em;color:var(--ink-3);margin-left:4px}
.yawc-live__sub{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.yawc-live__bar{height:4px;background:var(--paper-deep);margin-top:4px}
.yawc-live__bar span{display:block;height:100%;background:var(--steel);transition:width .8s cubic-bezier(.2,.7,.2,1)}
.yawc-live__card.is-ram .yawc-live__bar span{background:var(--sap)}
.yawc-live__card.is-temp .yawc-live__bar span{background:var(--ochre)}
.yawc-live__spark{display:block;width:100%;height:44px;margin-top:2px;overflow:visible}
.yawc-live__spark-line{fill:none;stroke:var(--steel);stroke-width:1.75;stroke-linejoin:round;stroke-linecap:round}
.yawc-live__spark-area{fill:var(--steel);opacity:.14}
.yawc-live__spark.is-ram .yawc-live__spark-line{stroke:var(--sap)}
.yawc-live__spark.is-ram .yawc-live__spark-area{fill:var(--sap)}
.yawc-live__spark.is-temp .yawc-live__spark-line{stroke:var(--ochre)}
.yawc-live__spark.is-temp .yawc-live__spark-area{fill:var(--ochre)}

.yawc-live__net{margin:0 0 22px;border:1px solid var(--rule);background:var(--paper-2);padding:18px 12px 8px}
.yawc-live__net-svg{display:block;width:100%;max-width:820px;height:auto;margin:0 auto}
.yawc-live__net figcaption{text-align:center;margin-top:6px}
.yawc-live__boxes ellipse,.yawc-live__boxes rect{fill:var(--paper);stroke:var(--ink);stroke-width:1.25}
.yawc-live__boxes text,.yawc-live__svc-label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;fill:var(--ink-2);text-transform:uppercase}
.yawc-live__links line,.yawc-live__stub{stroke:var(--steel);stroke-width:1.5;stroke-dasharray:4 6;opacity:.8}
.yawc-live__net:not(.is-calm) .yawc-live__links line{stroke:var(--ochre)}
.yawc-live__node circle{stroke:var(--ink);stroke-width:1.25;fill:var(--sap);transition:fill .4s}
.yawc-live__node text{font-family:"JetBrains Mono",monospace;font-size:10px;font-weight:700;fill:#fff;pointer-events:none}
.yawc-live__node.is-warm circle{fill:var(--ochre)}
.yawc-live__node.is-hot circle,.yawc-live__node.is-down circle{fill:var(--rouge)}
.yawc-live__node.is-down{opacity:.6}
.yawc-live__svc rect{stroke:var(--ink);stroke-width:.75}
.yawc-live__svc rect.is-ok{fill:var(--sap)}
.yawc-live__svc rect.is-down{fill:var(--rouge)}

.yawc-live__detail{border:1px solid var(--rule);background:var(--paper-2)}
.yawc-live__detail > summary{cursor:pointer;padding:12px 16px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.yawc-live__table{width:100%;border-collapse:collapse;font-family:"JetBrains Mono",monospace;font-size:12px}
.yawc-live__table th,.yawc-live__table td{text-align:left;padding:9px 16px;border-top:1px solid var(--hair);white-space:nowrap}
.yawc-live__table thead th{color:var(--ink-3);font-weight:500;letter-spacing:.1em}
.yawc-live__table tr.is-warm td:last-child{color:var(--ochre)}
.yawc-live__table tr.is-hot td:last-child{color:var(--rouge);font-weight:700}
.yawc-live__table tr.is-down{opacity:.6}
.yawc-live__mini{display:inline-block;vertical-align:middle;width:56px;height:4px;background:var(--paper-deep);margin-right:6px}
.yawc-live__mini i{display:block;height:100%;background:var(--steel)}
.yawc-live__tag{font-size:10px;color:var(--rouge);letter-spacing:.1em;text-transform:uppercase}
.yawc-live__na{color:var(--ink-3)}
@media (max-width:600px){.yawc-live__detail{overflow-x:auto}.yawc-live__table th,.yawc-live__table td{padding:8px 10px}}
@media (prefers-reduced-motion:no-preference){
  .yawc-live__links line,.yawc-live__stub{animation:yawc-flow 1.4s linear infinite}
  .yawc-live__net:not(.is-calm) .yawc-live__node.is-hot circle{animation:yawc-pulse 1.6s ease-in-out infinite}
}
@keyframes yawc-flow{to{stroke-dashoffset:-20}}
@keyframes yawc-pulse{50%{opacity:.55}}

/* =========================================================
   Hosting diagram  ([yawc_stack])
   ========================================================= */
.yawc-stack{margin:2em 0}
.yawc-stack__flow{list-style:none;margin:0 0 14px;padding:0}
.yawc-stack__step{position:relative;padding:0 0 14px 64px;margin:0}
.yawc-stack__step::before{
  content:"";position:absolute;left:21px;top:46px;bottom:-4px;width:2px;
  background:repeating-linear-gradient(to bottom,var(--rouge) 0 6px,transparent 6px 12px);
}
.yawc-stack__step:last-child::before{display:none}
.yawc-stack__step:last-child{padding-bottom:0}
.yawc-stack__node{border:1px solid var(--rule);background:var(--paper-2);transition:border-color .2s,background .2s}
.yawc-stack__node:hover,.yawc-stack__node[open]{border-color:var(--ink)}
.yawc-stack__node > summary{
  list-style:none;cursor:pointer;display:grid;grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:"name ver" "sum sum";gap:2px 12px;align-items:baseline;padding:12px 16px 12px 18px;position:relative;
}
.yawc-stack__node > summary::-webkit-details-marker{display:none}
.yawc-stack__node > summary:focus-visible{outline:2px solid var(--rouge);outline-offset:2px}
.yawc-stack__num{
  position:absolute;left:-64px;top:0;width:44px;height:44px;border-radius:50%;border:1px solid var(--ink);
  background:var(--paper);display:grid;place-items:center;
  font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.04em;transition:background .2s,color .2s;
}
.yawc-stack__node[open] .yawc-stack__num,.yawc-stack__node:hover .yawc-stack__num{background:var(--rouge);border-color:var(--rouge);color:#fff}
.yawc-stack__name{grid-area:name;font-family:"Instrument Serif",serif;font-size:26px;line-height:1.15;color:var(--ink)}
.yawc-stack__name::after{content:"+";font-family:"JetBrains Mono",monospace;font-size:14px;color:var(--rouge);margin-left:10px}
.yawc-stack__node[open] .yawc-stack__name::after{content:"−"}
.yawc-stack__ver{grid-area:ver;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;border:1px solid var(--ink);padding:2px 8px;color:var(--ink-2)}
.yawc-stack__sum{grid-area:sum;font-size:15px;color:var(--ink-2)}
.yawc-stack__body{padding:4px 18px 16px;border-top:1px solid var(--hair)}
.yawc-stack__body ul{margin:12px 0 0;padding:0 0 0 18px;font-size:15.5px;line-height:1.55;color:var(--ink-2)}
.yawc-stack__body li{margin:0 0 6px}
/* Inside .prose, list items get the editorial numbered markers: this list wants plain bullets. */
.prose .yawc-stack__body ul{list-style:disc}
.prose .yawc-stack__body li{padding-left:0}
.prose .yawc-stack__body li::before{content:none}
.yawc-stack__link{margin:12px 0 0;font-family:"JetBrains Mono",monospace;font-size:12px}
.yawc-stack__link a{color:var(--rouge);text-decoration:underline;text-underline-offset:3px}
@media (max-width:520px){
  .yawc-stack__step{padding-left:52px}
  .yawc-stack__step::before{left:15px;top:36px}
  .yawc-stack__num{left:-52px;width:32px;height:32px;font-size:10px}
  .yawc-stack__name{font-size:22px}
}
@media (prefers-reduced-motion:no-preference){
  .yawc-stack__step::before{animation:yawc-stack-flow 1.2s linear infinite}
}
@keyframes yawc-stack-flow{to{background-position:0 12px}}

/* =========================================================
   Reader tools + focus mode
   ========================================================= */
.reader-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:18px 0 0}
.reader-tools__btn,.reader-tools__rate{
  font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  background:transparent;border:1px solid var(--ink);color:var(--ink);padding:7px 12px;cursor:pointer;
  transition:background .2s,color .2s;
}
.reader-tools__btn:hover,.reader-tools__btn:focus-visible,.reader-tools__rate:focus-visible{background:var(--ink);color:var(--paper);outline:none}
.reader-tools__btn[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.reader-tools__btn[hidden]{display:none}
.reader-tools__size{display:none}
.reader-tools__rate{padding:6px 8px;text-transform:none;letter-spacing:.04em}
.reader-tools.is-listening .reader-tools__play{background:var(--rouge);border-color:var(--rouge);color:#fff}

.prose .yawc-reading-now{background:var(--paper-2);box-shadow:inset 3px 0 0 var(--rouge);padding-left:12px;margin-left:-12px;transition:background .3s}

html.yawc-focus .topbar,
html.yawc-focus .dateline,
html.yawc-focus .article-hero,
html.yawc-focus .notes,
html.yawc-focus .article-nav,
html.yawc-focus .related,
html.yawc-focus .discuss,
html.yawc-focus .comments-section,
html.yawc-focus .byline__share,
html.yawc-focus .yawc-langswitch,
html.yawc-focus #redesign-top-btn,
html.yawc-focus .fab-menu{display:none !important}
html.yawc-focus body{background-image:none}
html.yawc-focus .reading__layout{grid-template-columns:200px minmax(0,calc(var(--proseW) * 1.12));justify-content:center;gap:56px}
html.yawc-focus .prose{
  max-width:none;font-size:calc(21px * var(--yawc-focus-scale,1));line-height:1.8;
}
html.yawc-focus .toc{top:28px}
html.yawc-focus .article-header__title{font-size:clamp(34px,5vw,64px)}
html.yawc-focus .reader-tools{
  position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:80;margin:0;
  background:var(--paper);border:1px solid var(--ink);padding:8px 10px;box-shadow:0 10px 30px rgba(0,0,0,.18);
  max-width:calc(100vw - 24px);justify-content:center;
}
html.yawc-focus .reader-tools__size{display:inline-block}
@media (max-width:1100px){
  html.yawc-focus .reading__layout{grid-template-columns:minmax(0,1fr);gap:0}
  html.yawc-focus .toc{display:none}
}
@media print{.reader-tools{display:none !important}}

/* =========================================================
   Command palette (Cmd/Ctrl+K)
   ========================================================= */
.yawc-search-modal-content{
  max-width:940px;display:flex;flex-direction:column;
  background:var(--paper);color:var(--ink);border:1px solid var(--ink);border-radius:0;
}
.yawc-search-body{display:grid;grid-template-columns:minmax(0,1fr) 320px;min-height:0;flex:1;overflow:hidden}
.yawc-search-body .yawc-search-results{max-height:min(56vh,520px);overflow:auto}
.yawc-search-preview{border-left:1px solid var(--rule);background:var(--paper-2);padding:18px 20px;overflow:auto;max-height:min(56vh,520px);font-size:15px}
.yawc-search-preview__kicker{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--rouge);margin:0 0 8px}
.yawc-search-preview__title{font-family:"Instrument Serif",serif;font-size:26px;line-height:1.15;margin:0 0 10px;color:var(--ink)}
.yawc-search-preview__meta{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--ink-3);margin:0 0 12px}
.yawc-search-preview__text{margin:0 0 12px;color:var(--ink-2);line-height:1.55}
.yawc-search-preview__tags{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.yawc-search-preview__tags li{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.06em;border:1px solid var(--rule);padding:2px 7px;color:var(--ink-2)}
.yawc-search-result-item[aria-selected="true"],.yawc-cmd[aria-selected="true"]{background:var(--paper-deep);box-shadow:inset 3px 0 0 var(--rouge)}
.yawc-cmd{display:flex;align-items:center;gap:14px;padding:10px 14px;cursor:pointer;color:inherit;text-decoration:none}
.yawc-cmd:hover{background:var(--paper-2)}
.yawc-cmd__icon{width:28px;height:28px;border:1px solid var(--ink);display:grid;place-items:center;font-family:"JetBrains Mono",monospace;font-size:13px;flex:none}
.yawc-cmd__label{flex:1;min-width:0}
.yawc-cmd__hint{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
@media (max-width:820px){
  .yawc-search-body{grid-template-columns:minmax(0,1fr)}
  .yawc-search-preview{display:none}
  .yawc-search-body .yawc-search-results{max-height:none;height:calc(100vh - 160px)}
}

/* =========================================================
   Contrast fixes found by axe-core (WCAG AA) on the new screens
   ========================================================= */
/* Dark theme: --ink-3 (#847D77) is 3.9-4.2:1 on the dark paper tones; this lighter value is >= 5:1. Used by every muted label. */
[data-theme="dark"]{--ink-3:#9A938C}
/* The search trigger's text was a hard-coded #666 (3:1 on the dark topbar). */
[data-theme="dark"] .topbar .yawc-search-trigger{color:var(--ink-2)}
/* Search highlight: the indigo-on-translucent-indigo mark fell to 3.3:1 on the selected row. */
.yawc-search-highlight{background:rgba(179,52,37,.16);color:var(--ink);font-weight:700;border-radius:0;padding:0 1px}
[data-theme="dark"] .yawc-search-highlight{background:rgba(212,84,61,.28)}
[data-theme="dark"] .yawc-search-trigger-text{color:inherit}
[data-theme="dark"] .yawc-live__table tr.is-hot td:last-child{color:#F08A78}
/* Palette secondary text: the base styles used a flat #999 / #666, 2-3:1 on these paper tones. */
.yawc-search-modal-content .yawc-search-result-meta,
.yawc-search-modal-content .yawc-search-section-title,
.yawc-search-modal-content .yawc-search-results-empty,
.yawc-search-modal-content .yawc-search-result-excerpt{color:var(--ink-2)}
/* Rouge as TEXT on the dark card tones is 3.9:1; use a lighter tint for small text there. */
[data-theme="dark"] .yawc-search-preview__kicker,
[data-theme="dark"] .yawc-stack__link a,
[data-theme="dark"] .yawc-live__tag,
[data-theme="dark"] .yawc-live__status.is-warn,
[data-theme="dark"] .yawc-stack__name::after{color:#F08A78}