/* ============================================================
   DiagMyPCHub — Windows Server installation tutorial
   Local stylesheet. Depends on the site design tokens from
   ../../css/style.css (loaded first in <head>). All page
   styles are namespaced with the "srv-" prefix.
   ============================================================ */

/* ---------- Reading progress ---------- */
.srv-progress{ position:fixed; top:0; left:0; right:0; height:3px; z-index:120; background:transparent; pointer-events:none; }
.srv-progress span{ display:block; height:100%; width:0; background:linear-gradient(90deg, var(--blue), var(--cyan-bright)); }

/* ---------- Grid: TOC + article ---------- */
.srv-grid{ display:grid; grid-template-columns:1fr; gap:40px; padding-top:clamp(32px,5vw,56px); padding-bottom:clamp(56px,8vw,96px); }
.srv-toc{ display:none; }
.srv-toc-title{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.14em; color:var(--ink-3); margin:0 0 12px; }
.srv-toc ul{ display:grid; gap:1px; border-left:1px solid var(--line); }
.srv-toc a{ display:block; padding:6px 14px; margin-left:-1px; border-left:2px solid transparent; color:var(--ink-2); text-decoration:none; font-size:.85rem; transition:color .2s, border-color .2s; }
.srv-toc a:hover{ color:var(--ink); }
.srv-toc a[aria-current="true"]{ color:var(--blue); border-left-color:var(--blue); font-weight:500; }

/* ---------- Article head ---------- */
.srv-article{ max-width:840px; }
.srv-head h1{ font-size:clamp(1.8rem, 1.2rem + 2.4vw, 2.7rem); font-weight:700; letter-spacing:-.02em; line-height:1.12; margin:0 0 20px; }
.srv-intro{ font-size:1.02rem; color:var(--ink-2); line-height:1.7; margin:0 0 16px; }

/* ---------- Warning / callout ---------- */
.srv-warn{ display:flex; gap:14px; align-items:flex-start; background:#fdf3e6; border:1px solid #f0d6a8; border-radius:var(--radius); padding:16px 18px; margin:26px 0; }
.srv-warn-ico{ flex:none; width:24px; height:24px; display:grid; place-items:center; border-radius:50%; background:var(--warn); color:#3a2a00; font:700 .95rem/1 var(--font-display); }
.srv-warn-title{ margin:0 0 6px; font-weight:600; font-size:.98rem; }
.srv-warn-text{ margin:0; font-size:.92rem; color:#6b5320; }

.srv-callout{ border-left:3px solid var(--blue); background:var(--tint); border-radius:0 var(--radius) var(--radius) 0; padding:14px 18px; margin:22px 0; font-size:.95rem; color:var(--ink-2); }
.srv-callout p{ margin:0; }

/* ---------- Image placeholders (hidden until a valid image is supplied) ----------
   To publish an image: set data-src on the <figure> (e.g., data-src="images/03-uefi-boot-menu.png").
   The figure reveals automatically; a failed load hides it again. */
.srv-figure{ margin:26px 0; }
.srv-figure[data-empty="true"]{ display:none; }
.srv-fig-frame{ aspect-ratio:var(--fig-ratio, 16 / 9); background:var(--tint); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.srv-figure img{ width:100%; height:100%; object-fit:contain; display:block; }
.srv-figure figcaption{ margin-top:10px; display:grid; gap:3px; }
.srv-fig-label{ font:600 .8rem var(--font-mono); color:var(--ink); letter-spacing:.02em; }
.srv-fig-note{ font:400 .76rem var(--font-mono); color:var(--ink-3); line-height:1.55; }

/* ---------- Sections & topics ---------- */
.srv-sec{ margin-top:clamp(48px, 7vw, 72px); scroll-margin-top:calc(var(--header-h) + 16px); }
.srv-sec-head{ display:flex; align-items:flex-start; gap:16px; margin-bottom:18px; }
.srv-sec-index{ font:600 .95rem var(--font-mono); color:var(--line-2); flex:none; padding-top:4px; }
.srv-sec-kicker{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.16em; color:var(--blue); margin:0 0 4px; }
.srv-sec-head h2{ font-size:clamp(1.3rem, 1rem + 1.2vw, 1.7rem); font-weight:600; letter-spacing:-.01em; margin:0; }
.srv-sec-lede{ color:var(--ink-2); font-size:1rem; line-height:1.7; margin:0 0 18px; max-width:72ch; }

.srv-article p{ color:var(--ink-2); line-height:1.75; margin:0 0 16px; }

.srv-article p strong, .srv-article p em{ color:var(--ink); }
.srv-article a{ color:var(--blue); text-decoration:underline; text-underline-offset:2px; text-decoration-color:var(--blue-soft); transition:text-decoration-color .2s; }
.srv-article a:hover{ text-decoration-color:var(--blue); }
.srv-article ul{ margin:0 0 16px; padding-left:22px; color:var(--ink-2); line-height:1.7; }
.srv-article li{ margin-bottom:8px; }
.srv-article li::marker{ color:var(--blue); }
.srv-article .mono{ font-family:var(--font-mono); font-size:.88em; background:var(--tint); padding:1px 5px; border-radius:4px; }

.srv-topic{ margin-top:34px; scroll-margin-top:calc(var(--header-h) + 16px); }
.srv-topic h3{ font-size:1.15rem; font-weight:600; margin:0 0 10px; padding-left:14px; border-left:3px solid var(--blue-soft); }

/* ---------- Numbered steps ---------- */
.srv-steps{ counter-reset:srv-step; list-style:none; padding:0; margin:0 0 20px; display:grid; gap:12px; }
.srv-steps > li{ counter-increment:srv-step; position:relative; padding:0 0 0 46px; margin:0; min-height:40px; }
.srv-steps > li::before{ content:counter(srv-step, decimal-leading-zero); position:absolute; left:0; top:0; width:32px; height:32px; display:grid; place-items:center; font:600 .78rem var(--font-mono); color:var(--blue-deep); background:var(--tint); border:1px solid var(--blue-soft); border-radius:9px; }
.srv-steps > li p{ margin:0; }

/* ---------- Code blocks (always-dark panel, console-consistent) ---------- */
.srv-code{ background:var(--dark-2); border:1px solid var(--dark-line); border-radius:12px; margin:16px 0 20px; overflow:hidden; }
.srv-code-head{ display:flex; align-items:center; gap:10px; padding:10px 14px; border-bottom:1px solid var(--dark-line); flex-wrap:wrap; }
.srv-code-label{ font:500 .68rem var(--font-mono); text-transform:uppercase; letter-spacing:.1em; color:var(--dark-muted); }
.srv-code-badge{ font:600 .62rem var(--font-mono); text-transform:uppercase; letter-spacing:.08em; border-radius:999px; padding:3px 10px; }
.srv-code-badge.ro{ color:var(--ok); border:1px solid rgba(61, 220, 151, 0.4); background:rgba(61, 220, 151, 0.08); }
.srv-code-badge.chg{ color:var(--warn); border:1px solid rgba(245, 180, 83, 0.45); background:rgba(245, 180, 83, 0.08); }
.srv-code-badge.ref{ color:#7fb3e8; border:1px solid rgba(127, 179, 232, 0.4); background:rgba(127, 179, 232, 0.08); }
.srv-copy{ margin-left:auto; font:500 .74rem var(--font-mono); color:#9fb2cc; background:none; border:1px solid #24466f; border-radius:7px; padding:5px 12px; cursor:pointer; transition:color .2s, border-color .2s, background .2s; }
.srv-copy:hover{ color:#fff; border-color:var(--cyan-bright); background:rgba(65, 226, 245, 0.08); }
.srv-copy.is-done{ color:#06281c; background:var(--ok); border-color:var(--ok); }
.srv-code pre{ margin:0; padding:16px 18px; overflow-x:auto; -webkit-overflow-scrolling:touch; }
.srv-code code{ font:500 .83rem/1.65 var(--font-mono); color:var(--dark-ink); white-space:pre; }

/* ---------- Animated installation-journey SVG ---------- */
.srv-diagram{ margin:30px 0; background:var(--dark-2); border:1px solid var(--dark-line); border-radius:14px; padding:clamp(8px, 2vw, 18px); }
.srv-diagram svg{ width:100%; height:auto; display:block; }

.srv-box{ fill:#0e2038; stroke:#2e5f93; stroke-width:1.5; }
.srv-box-ok{ stroke:#2f7d5c; }
.srv-part{ opacity:.9; }
.srv-via{ fill:#24466f; }
.srv-label{ fill:#8aa3c4; font:600 12px var(--font-mono); letter-spacing:1.5px; }
.srv-sub{ fill:#5b7396; font:500 10px var(--font-mono); letter-spacing:.5px; }
.srv-status{ fill:#5b7396; font:500 12px var(--font-mono); letter-spacing:1px; }

.srv-halo{ opacity:0; animation:srvHalo 6s ease-in-out infinite; transform-box:fill-box; transform-origin:center; }
.n1 .srv-halo{ animation-delay:0s; }
.n2 .srv-halo{ animation-delay:1s; }
.n3 .srv-halo{ animation-delay:2s; }
.n4 .srv-halo{ animation-delay:3s; }
.n5 .srv-halo{ animation-delay:4s; }
.n6 .srv-halo{ animation-delay:5s; }
@keyframes srvHalo{ 0%,100%{ opacity:0; transform:scale(.9); } 12%{ opacity:.9; transform:scale(1); } 26%{ opacity:0; transform:scale(1.05); } }

.srv-trace{ stroke:#24466f; stroke-width:2; stroke-dasharray:6 10; animation:srvFlow 1.8s linear infinite; }
@keyframes srvFlow{ to{ stroke-dashoffset:-32; } }

.srv-led{ fill:var(--ok); transform-box:fill-box; transform-origin:center; animation:srvLed 2.4s ease-in-out infinite; }
@keyframes srvLed{ 50%{ transform:scale(1.4); opacity:.65; } }

/* ---------- Troubleshooting reference (filterable) ---------- */
.trouble-controls{ display:grid; gap:12px; margin-bottom:16px; }
.trouble-search{ width:100%; background:var(--surface); border:1.5px solid var(--line-2); border-radius:10px; padding:11px 14px; font:400 .95rem var(--font-body); color:var(--ink); transition:border-color .2s, box-shadow .2s; }
.trouble-search:focus{ outline:none; border-color:var(--blue); box-shadow:0 0 0 4px rgba(15, 91, 215, 0.12); }
.trouble-search::placeholder{ color:var(--ink-3); }
.trouble-chips{ display:flex; flex-wrap:wrap; gap:8px; }
.trouble-btn{ font:500 .8rem var(--font-mono); color:var(--ink-2); background:var(--surface); border:1px solid var(--line-2); border-radius:999px; padding:8px 15px; cursor:pointer; transition:border-color .2s, color .2s, background .2s; }
.trouble-btn:hover{ border-color:var(--blue); color:var(--blue); }
.trouble-btn[aria-pressed="true"]{ background:var(--blue); border-color:var(--blue); color:#fff; }
.trouble-count{ font:500 .76rem var(--font-mono); color:var(--ink-3); margin:0; min-height:1.2em; }
.trouble-none td{ color:var(--ink-3); font-style:italic; padding:20px 16px; text-align:center; }

/* ---------- Checklist ---------- */
.srv-check{ background:var(--surface); color:var(--ink); border:1px solid var(--line); border-radius:14px; padding:20px; margin-top:20px; }
.srv-check-file{ display:flex; justify-content:space-between; font-size:.72rem; color:var(--ink-3); border-bottom:1px dashed var(--line-2); padding-bottom:12px; margin:0 0 12px; }
.srv-check-list{ list-style:none; padding:0; margin:0; }
.srv-check-list li{ margin:0; }
.srv-check-list label{ display:flex; align-items:flex-start; gap:12px; padding:10px 8px; border-radius:8px; cursor:pointer; transition:background .15s; font-size:.93rem; color:var(--ink-2); }
.srv-check-list label:hover{ background:#f2f7ff; }
.srv-check-box{ width:18px; height:18px; margin:2px 0 0; accent-color:var(--blue); flex:none; cursor:pointer; }
.srv-check-box:checked + span{ color:var(--ink); }
.srv-check-actions{ display:flex; align-items:center; flex-wrap:wrap; gap:12px; margin-top:16px; padding-top:16px; border-top:1px solid var(--line); }
.srv-check-hint{ font-size:.7rem; color:var(--ink-3); margin:0; }

/* ---------- FAQ (native <details>) ---------- */
.srv-faq{ display:grid; gap:10px; }
.srv-faq-item{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); transition:border-color .2s; }
.srv-faq-item[open]{ border-color:var(--blue-soft); }
.srv-faq-sum{ list-style:none; cursor:pointer; display:flex; align-items:center; gap:12px; padding:16px 18px; font-weight:600; font-size:.98rem; color:var(--ink); }
.srv-faq-sum::-webkit-details-marker{ display:none; }
.srv-faq-ico{ margin-left:auto; position:relative; width:16px; height:16px; flex:none; }
.srv-faq-ico::before, .srv-faq-ico::after{ content:""; position:absolute; left:0; top:7px; width:16px; height:2px; background:var(--ink-3); transition:transform .25s, background .25s; }
.srv-faq-ico::after{ transform:rotate(90deg); }
.srv-faq-item[open] .srv-faq-ico::after{ transform:rotate(0deg); }
.srv-faq-item[open] .srv-faq-ico::before, .srv-faq-item[open] .srv-faq-ico::after{ background:var(--blue); }
.srv-faq-panel{ display:grid; grid-template-rows:0fr; transition:grid-template-rows .35s ease; }
.srv-faq-item[open] .srv-faq-panel{ grid-template-rows:1fr; }
.srv-faq-inner{ overflow:hidden; min-height:0; visibility:hidden; transition:visibility 0s .35s; }
.srv-faq-item[open] .srv-faq-inner{ visibility:visible; transition-delay:0s; }
.srv-faq-inner p{ margin:0; padding:0 18px 18px; color:var(--ink-2); font-size:.95rem; line-height:1.7; }

/* ---------- Related cards ---------- */
.srv-related{ display:grid; grid-template-columns:1fr; gap:14px; margin-top:8px; }
.srv-related-card{ display:flex; flex-direction:column; gap:6px; padding:18px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); text-decoration:none; color:var(--ink); transition:border-color .2s, transform .2s, box-shadow .2s; }
.srv-related-card:hover, .srv-related-card:focus-visible{ border-color:var(--blue); transform:translateY(-3px); box-shadow:var(--shadow-1); }
.srv-related-title{ font-size:1.02rem; font-weight:600; margin:0; }
.srv-related-sub{ font-size:.86rem; color:var(--ink-2); margin:0; }

/* ---------- Article footer ---------- */
.srv-foot{ margin-top:48px; padding-top:20px; border-top:1px solid var(--line); }
.srv-foot p{ font-size:.85rem; color:var(--ink-3); margin:0; }

/* ---------- Ad slot (self-contained; hides when empty) ---------- */
.ad-wrap{ margin:clamp(40px, 6vw, 64px) 0; }
.ad-slot{ display:none; }
.ad-slot:not(:empty){ display:flex; align-items:center; justify-content:center; position:relative; max-width:760px; min-height:250px; margin-inline:auto; border:1px dashed var(--line-2); background:var(--surface); border-radius:var(--radius); overflow:hidden; }
.ad-slot:not(:empty)::before{ content:"Advertisement"; position:absolute; top:8px; right:12px; font:500 .62rem var(--font-mono); text-transform:uppercase; letter-spacing:.1em; color:var(--ink-3); }
.ad-slot:not(:empty) *{ max-width:100%; }

/* ---------- Responsive ---------- */
@media (min-width:560px){
  .srv-related{ grid-template-columns:1fr 1fr; }
}
@media (min-width:1000px){
  .srv-grid{ grid-template-columns:230px minmax(0,1fr); gap:56px; }
  .srv-toc{ display:block; position:sticky; top:calc(var(--header-h) + 24px); align-self:start; max-height:calc(100vh - var(--header-h) - 48px); overflow:auto; }
}
@media (max-width:559px){
  .srv-steps > li{ padding-left:0; padding-top:40px; }
  .srv-code-head{ gap:8px; }
  .srv-copy{ margin-left:0; width:100%; text-align:center; }
}

/* ---------- Dark theme ---------- */
[data-theme="dark"] .srv-warn{ background:#241a09; border-color:#5a4417; }
[data-theme="dark"] .srv-warn-text{ color:#d8b878; }
[data-theme="dark"] .srv-steps > li::before{ background:var(--tint); color:var(--blue); border-color:var(--blue-soft); }
[data-theme="dark"] .srv-topic h3{ border-left-color:var(--blue-soft); }
[data-theme="dark"] .srv-check-list label:hover{ background:var(--tint); }
[data-theme="dark"] .srv-diagram{ border-color:var(--dark-line); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .srv-progress{ display:none; }
  .srv-halo, .srv-trace, .srv-led{ animation:none !important; }
  .srv-trace{ stroke-dasharray:none; opacity:.55; }
  .srv-faq-panel, .srv-faq-inner{ transition:none; }
}

/* ---------- Print ---------- */
@media print{
  .srv-progress, .srv-toc, .to-top, .site-header, .topbar, .srv-diagram, .ad-wrap,
  .srv-check-actions, .site-footer, .consent, .toast, .trouble-controls{ display:none !important; }
  .srv-grid{ display:block; padding:0; }
  .srv-article{ max-width:100%; }
  a{ color:var(--ink); text-decoration:none; }
  .srv-sec, .srv-topic{ page-break-inside:avoid; }
}