/* ============================================================
   DiagMyPCHub — RAID Levels tutorial (local stylesheet)
   Depends on the site design tokens from ../../css/style.css
   (loaded first in <head>). All page styles are namespaced
   with the "raid-" prefix to avoid touching shared styles.
   ============================================================ */

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

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

/* ---------- Article head ---------- */
.raid-article{ max-width:820px; }
.raid-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; }
.raid-intro{ font-size:1.05rem; color:var(--ink-2); line-height:1.7; margin:0 0 16px; }
.raid-intro strong{ color:var(--ink); }

/* ---------- Warning / callouts ---------- */
.raid-warn{ display:flex; gap:14px; align-items:flex-start; background:#fdf3e6; border:1px solid #f0d6a8; border-radius:var(--radius); padding:16px 18px; margin:28px 0; }
.raid-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); }
.raid-warn-title{ margin:0 0 6px; font-weight:600; font-size:.98rem; }
.raid-warn-text{ margin:0; font-size:.92rem; color:#6b5320; }

.raid-callout{ border-left:3px solid var(--blue); background:var(--tint); border-radius:0 var(--radius) var(--radius) 0; padding:14px 18px; margin:24px 0; font-size:.95rem; color:var(--ink-2); }
.raid-callout p{ margin:0; }
.raid-callout strong{ color:var(--ink); }

/* ---------- Image placeholders ----------
   Labeled by default (dev aid). Set data-src on the <img> to
   publish an image — the card hides on load and reappears if
   the source is broken. Production mode: put
   data-raid-clean="true" on <body> to hide all empty slots. */
.raid-imgslot{ margin:0 0 8px; }
.raid-imgslot img{ width:100%; height:auto; display:block; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }
.raid-imgslot img[hidden]{ display:none; }
.raid-imgslot-card{ border:1.5px dashed var(--line-2); border-radius:var(--radius); background:var(--surface); padding:16px 18px; }
.raid-imgslot-card[hidden]{ display:none; }
.raid-imgslot-badge{ display:inline-block; font:500 .62rem var(--font-mono); text-transform:uppercase; letter-spacing:.12em; color:var(--blue-deep); background:var(--tint); border:1px solid var(--blue-soft); border-radius:999px; padding:3px 10px; margin-bottom:10px; }
.raid-imgslot-title{ font-size:1rem; font-weight:600; margin:0 0 6px; }
.raid-imgslot-desc{ font-size:.88rem; color:var(--ink-2); margin:0 0 8px; line-height:1.55; }
.raid-imgslot-meta{ font-size:.72rem; color:var(--ink-3); margin:0 0 8px; }
.raid-imgslot-how{ font-size:.72rem; color:var(--ink-3); margin:0; }
.raid-imgslot-how code{ font:500 .72rem var(--font-mono); background:var(--tint); border-radius:4px; padding:1px 5px; }
body[data-raid-clean] .raid-imgslot[data-empty="true"]{ display:none; }

/* ---------- Sections & topics ---------- */
.raid-sec{ margin-top:clamp(48px, 7vw, 72px); scroll-margin-top:calc(var(--header-h) + 16px); }
.raid-sec-head{ display:flex; align-items:flex-start; gap:16px; margin-bottom:18px; }
.raid-sec-index{ font:600 .95rem var(--font-mono); color:var(--line-2); flex:none; padding-top:4px; }
.raid-sec-kicker{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.16em; color:var(--blue); margin:0 0 4px; }
.raid-sec-head h2{ font-size:clamp(1.3rem, 1rem + 1.2vw, 1.7rem); font-weight:600; letter-spacing:-.01em; margin:0; }
.raid-sec-lede{ color:var(--ink-2); font-size:1rem; line-height:1.7; margin:0 0 18px; max-width:70ch; }
.raid-article p{ color:var(--ink-2); line-height:1.75; margin:0 0 16px; }
.raid-article p strong, .raid-article p em{ color:var(--ink); }
.raid-article a{ color:var(--blue); text-decoration:underline; text-underline-offset:2px; text-decoration-color:var(--blue-soft); transition:text-decoration-color .2s; }
.raid-article a:hover{ text-decoration-color:var(--blue); }
.raid-article ul, .raid-article ol{ margin:0 0 16px; padding-left:22px; color:var(--ink-2); line-height:1.7; }
.raid-article li{ margin-bottom:8px; }
.raid-article li::marker{ color:var(--blue); }

.raid-topic{ margin-top:34px; scroll-margin-top:calc(var(--header-h) + 16px); }
.raid-topic h3{ font-size:1.15rem; font-weight:600; margin:0 0 10px; padding-left:14px; border-left:3px solid var(--blue-soft); }
.raid-table-note{ font-size:.85rem; color:var(--ink-3); margin:12px 0 0; }

/* ---------- Level cards + filter ---------- */
.raid-level-filters{ display:flex; flex-wrap:wrap; gap:8px; margin:16px 0 10px; }
.raid-lvl-btn{ font:500 .82rem var(--font-mono); color:var(--ink-2); background:var(--surface); border:1px solid var(--line-2); border-radius:999px; padding:9px 16px; cursor:pointer; transition:border-color .2s, color .2s, background .2s; }
.raid-lvl-btn:hover{ border-color:var(--blue); color:var(--blue); }
.raid-lvl-btn[aria-pressed="true"]{ background:var(--blue); border-color:var(--blue); color:#fff; }
.raid-level-count{ font:500 .78rem var(--font-mono); color:var(--ink-3); margin:0 0 14px; min-height:1.2em; }
.raid-level-grid{ display:grid; grid-template-columns:1fr; gap:10px; margin-bottom:8px; }
.raid-lvl-card{ display:flex; flex-direction:column; gap:6px; padding:14px 16px; background:var(--surface); border:1px solid var(--line); border-radius:10px; transition:border-color .2s, box-shadow .2s; }
.raid-lvl-card:hover{ border-color:var(--blue-soft); box-shadow:var(--shadow-1); }
.raid-lvl-card.is-hidden{ display:none; }
.raid-lvl-name{ font-size:1rem; font-weight:600; margin:0; }
.raid-lvl-line{ font:500 .74rem var(--font-mono); color:var(--blue-deep); margin:0; }
.raid-lvl-blurb{ font-size:.85rem; color:var(--ink-2); margin:0; line-height:1.55; flex:1; }
.raid-lvl-tags{ list-style:none; display:flex; flex-wrap:wrap; gap:6px; margin:4px 0 0; padding:0; }
.raid-lvl-tags li{ font:500 .64rem var(--font-mono); text-transform:uppercase; letter-spacing:.06em; color:var(--ink-3); border:1px dashed var(--line-2); border-radius:999px; padding:2px 9px; }

/* ---------- Tolerance chips (text + color, never color alone) ---------- */
.raid-tol{ display:inline-block; font:500 .68rem var(--font-mono); text-transform:uppercase; letter-spacing:.04em; color:var(--ink-2); background:var(--tint); border:1px solid var(--blue-soft); border-radius:999px; padding:3px 10px; white-space:nowrap; }

/* ---------- Copy blocks ---------- */
.raid-cmd{ display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:12px; background:var(--surface); border:1px solid var(--line); border-radius:10px; padding:12px 14px; margin:14px 0; }
.raid-cmd-label{ font:500 .68rem var(--font-mono); text-transform:uppercase; letter-spacing:.08em; color:var(--ink-3); min-width:88px; }
.raid-cmd code{ font:500 .85rem var(--font-mono); color:var(--ink); background:var(--tint); border-radius:6px; padding:6px 10px; overflow-x:auto; white-space:nowrap; }
.raid-cmd-copy{ font:500 .78rem var(--font-mono); color:var(--blue); background:none; border:1px solid var(--blue-soft); border-radius:7px; padding:6px 12px; cursor:pointer; transition:background .2s, color .2s; flex:none; }
.raid-cmd-copy:hover{ background:var(--blue); color:#fff; border-color:var(--blue); }
.raid-cmd-copy.is-done{ background:var(--ok); border-color:var(--ok); color:#06281c; }
.raid-cmd-note{ grid-column:1 / -1; margin:2px 0 0; font-size:.8rem; color:var(--ink-3); }

/* ---------- Capacity calculator ---------- */
.raid-calc{ background:var(--surface); border:1px solid var(--line); border-radius:14px; padding:clamp(16px, 3vw, 24px); margin:20px 0; }
.raid-calc-fields{ display:grid; grid-template-columns:1fr; gap:14px; margin-bottom:16px; }
.raid-calc-field label{ display:block; font:500 .72rem var(--font-mono); text-transform:uppercase; letter-spacing:.08em; color:var(--ink-2); margin-bottom:6px; }
.raid-calc-field input, .raid-calc-field select{
  width:100%;
  font:500 .95rem var(--font-body);
  color:var(--ink);
  background:var(--bg);
  border:1.5px solid var(--line-2);
  border-radius:9px;
  padding:10px 12px;
  transition:border-color .2s, box-shadow .2s;
}
.raid-calc-field input:focus-visible, .raid-calc-field select:focus-visible{ outline:none; border-color:var(--blue); box-shadow:0 0 0 4px rgba(15,91,215,.14); }
.raid-calc-field input[aria-invalid="true"]{ border-color:#c0392b; }
.raid-calc-errors{ margin:0 0 14px; font-size:.9rem; font-weight:500; color:#a03d37; background:#fdecea; border:1px solid #f2c4c0; border-radius:9px; padding:10px 14px; }
.raid-calc-errors[hidden]{ display:none; }
.raid-calc-results .table-wrap{ margin-bottom:12px; }
.raid-calc-alt{ font-size:.78em; color:var(--ink-3); }
.raid-calc-note{ font-size:.82rem; color:var(--ink-3); }
.raid-calc-na td{ color:var(--ink-3); font-style:italic; }
.raid-calc-dash{ text-align:center; color:var(--ink-3); }
.raid-calc-blank{ text-align:center; color:var(--ink-3); font-size:.9rem; }
.raid-calc-raw{ font-size:.85rem; color:var(--ink-2); margin:0 0 14px; min-height:1.3em; }
.raid-calc-actions{ display:flex; align-items:center; flex-wrap:wrap; gap:12px; }
.raid-calc-hint{ font-size:.7rem; color:var(--ink-3); margin:0; }
.raid-calc-noscript{ font-size:.9rem; color:var(--ink-2); margin:16px 0 0; }

/* ---------- Animated SVG diagram ---------- */
.raid-svg{ margin:32px 0; background:var(--dark-2); border:1px solid var(--dark-line); border-radius:14px; padding:clamp(8px, 2vw, 18px); }
.raid-svg svg{ width:100%; height:auto; display:block; }

.rsv-glow{ animation:rsvGlow 7s ease-in-out infinite alternate; transform-box:fill-box; transform-origin:center; }
@keyframes rsvGlow{ from{ opacity:.6; } to{ opacity:1; transform:scale(1.04); } }

.rsv-box{ fill:#0e2038; stroke:#2e5f93; stroke-width:1.5; }
.rsv-bar{ fill:#12314f; stroke:#24466f; stroke-width:1.5; }
.rsv-cache{ fill:#12314f; stroke:#24466f; stroke-width:1.5; animation:rsvCache 3.2s ease-in-out infinite; }
@keyframes rsvCache{ 0%,100%{ opacity:1; } 50%{ opacity:.5; } }
.rsv-slot{ fill:#0e2038; stroke:#24466f; stroke-width:1.5; }
.rsv-disk{ fill:#0e2038; stroke:#2e5f93; stroke-width:1.5; }
.rsv-disk-bad{ stroke:#f0b429; }
.rsv-spare{ fill:none; stroke:#24466f; stroke-width:1.5; stroke-dasharray:5 5; }
.rsv-rebuild{ fill:none; stroke:#f0b429; stroke-width:1.8; stroke-dasharray:6 9; opacity:.85; animation:rsvFlow 1.8s linear infinite; }
.rsv-trace{ stroke:#24466f; stroke-width:2; stroke-dasharray:6 10; animation:rsvFlow 1.8s linear infinite; }
@keyframes rsvFlow{ to{ stroke-dashoffset:-32; } }
.rsv-bus{ stroke:#2e5f93; stroke-width:2.5; }
.rsv-led{ fill:var(--ok); transform-box:fill-box; transform-origin:center; animation:rsvLed 3s ease-in-out infinite; }
.rsv-led-warn{ fill:#f0b429; animation:rsvLedWarn 2.4s ease-in-out infinite; }
@keyframes rsvLed{ 50%{ transform:scale(1.35); opacity:.7; } }
@keyframes rsvLedWarn{ 50%{ opacity:.45; } }
.rsv-label{ fill:#8aa3c4; font:600 12px var(--font-mono); letter-spacing:1.5px; }
.rsv-sub{ fill:#5b7396; font:500 10px var(--font-mono); letter-spacing:.5px; }
.rsv-status{ fill:#5b7396; font:500 12px var(--font-mono); letter-spacing:1px; }

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

/* ---------- Related cards ---------- */
.raid-related{ display:grid; grid-template-columns:1fr; gap:14px; margin-top:8px; }
.raid-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; }
.raid-related-card:hover, .raid-related-card:focus-visible{ border-color:var(--blue); transform:translateY(-3px); box-shadow:var(--shadow-1); }
.raid-related-title{ font-size:1.02rem; font-weight:600; margin:0; }
.raid-related-sub{ font-size:.86rem; color:var(--ink-2); margin:0; }

/* ---------- Article footer ---------- */
.raid-foot{ margin-top:48px; padding-top:20px; border-top:1px solid var(--line); }
.raid-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:720px; 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){
  .raid-level-grid{ grid-template-columns:1fr 1fr; }
  .raid-related{ grid-template-columns:1fr 1fr; }
  .raid-calc-fields{ grid-template-columns:1fr 1fr 1fr; }
}
@media (min-width:1000px){
  .raid-grid{ grid-template-columns:230px minmax(0,1fr); gap:56px; }
  .raid-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){
  .raid-cmd{ grid-template-columns:1fr; }
  .raid-cmd-label{ min-width:0; }
  .raid-calc-fields{ grid-template-columns:1fr; }
  .raid-level-grid{ grid-template-columns:1fr; }
}

/* ---------- Dark theme ---------- */
[data-theme="dark"] .raid-warn{ background:#241a09; border-color:#5a4417; }
[data-theme="dark"] .raid-warn-text{ color:#d8b878; }
[data-theme="dark"] .raid-cmd code{ background:var(--tint); }
[data-theme="dark"] .raid-calc-field input, [data-theme="dark"] .raid-calc-field select{ background:var(--bg); }
[data-theme="dark"] .raid-calc-errors{ color:#f0938d; background:#2b1210; border-color:#5c2a26; }
[data-theme="dark"] .raid-calc-field input[aria-invalid="true"]{ border-color:#f0938d; }
[data-theme="dark"] .raid-imgslot-badge{ color:var(--blue); background:var(--tint); }
[data-theme="dark"] .raid-lvl-line{ color:var(--blue); }
[data-theme="dark"] .raid-topic h3{ border-left-color:var(--blue-soft); }
[data-theme="dark"] .raid-tol{ color:var(--dark-ink); background:var(--tint); border-color:var(--dark-line); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .raid-progress{ display:none; }
  .rsv-glow, .rsv-trace, .rsv-rebuild, .rsv-cache, .rsv-led, .rsv-led-warn{ animation:none !important; }
  .rsv-trace, .rsv-rebuild{ stroke-dasharray:none; opacity:.6; }
  .raid-faq-panel, .raid-faq-inner{ transition:none; }
}

/* ---------- Print ---------- */
@media print{
  .raid-progress, .raid-toc, .to-top, .site-header, .topbar, .raid-svg, .ad-wrap, .site-footer, .consent, .raid-level-filters{ display:none !important; }
  .raid-grid{ display:block; padding:0; }
  .raid-article{ max-width:100%; }
  a{ color:var(--ink); text-decoration:none; }
  .raid-sec, .raid-topic{ page-break-inside:avoid; }
  .raid-imgslot-card{ border-color:#999; }
}