/* ============================================================
   DiagMyPCHub — Passwords & Accounts Recovery tutorial (60 articles)
   Local stylesheet. Depends on the site design tokens from
   ../../css/style.css (loaded first in <head>). All tutorial
   styles are namespaced with the "pw-" prefix.
   ============================================================ */

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

/* ---------- Grid: TOC + article ---------- */
.pw-grid{ display:grid; grid-template-columns:minmax(0,1fr); gap:40px; padding-top:clamp(32px,5vw,56px); padding-bottom:clamp(56px,8vw,96px); }
/* min-width:0 on the items so wide tables (min-width 640px) scroll inside
   .table-wrap instead of forcing the column — and thus the page — wider */
.pw-grid > *{ min-width:0; }
.pw-toc{ display:none; }
.pw-toc-title{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.14em; color:var(--ink-3); margin:0 0 12px; }
.pw-toc ul{ display:grid; gap:1px; border-left:1px solid var(--line); }
.pw-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; }
.pw-toc a:hover{ color:var(--ink); }
.pw-toc a[aria-current="true"]{ color:var(--blue); border-left-color:var(--blue); font-weight:500; }

/* ---------- Hero ---------- */
.pw-hero{ max-width:860px; margin-top:clamp(24px,4vw,40px); }
.pw-hero-kicker{ display:flex; align-items:center; gap:10px; margin:0 0 18px; font:500 .74rem var(--font-mono); text-transform:uppercase; letter-spacing:.16em; color:var(--ink-2); }
.pw-hero-kicker .kicker-dot{ width:8px; height:8px; border-radius:50%; background:var(--cyan); animation:blink 2s ease-in-out infinite; flex:none; }
.pw-hero h1{ font-size:clamp(1.9rem, 1.2rem + 2.6vw, 2.9rem); font-weight:700; letter-spacing:-.02em; line-height:1.12; margin:0 0 18px; }
.pw-hero-meta{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin:0 0 20px; }
.pw-hero-intro{ font-size:1.05rem; color:var(--ink-2); line-height:1.7; margin:0 0 14px; max-width:72ch; }
.pw-hero-search{ max-width:600px; margin:26px 0 8px; }
.pw-hero-search .search-label{ display:block; font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.16em; color:var(--blue); margin-bottom:8px; }
.pw-hero-hint{ font-size:.78rem; color:var(--ink-3); margin:8px 0 0; }
.pw-hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
/* ---------- Animated SVG circuit illustration ---------- */
.pw-circuit{ margin:34px 0 10px; background:var(--dark-2); border:1px solid var(--dark-line); border-radius:14px; padding:clamp(8px,2vw,18px); }
.pw-circuit svg{ width:100%; height:auto; display:block; }
.pw-cap{ margin:10px 4px 0; font:400 .76rem var(--font-mono); color:var(--ink-3); }

.pw-glow{ animation:pwGlow 7s ease-in-out infinite alternate; transform-box:fill-box; transform-origin:center; }
@keyframes pwGlow{ from{ opacity:.6; } to{ opacity:1; transform:scale(1.04); } }
.pw-core{ fill:var(--cyan-bright); animation:pwCore 2.6s ease-in-out infinite; transform-box:fill-box; transform-origin:center; }
@keyframes pwCore{ 50%{ transform:scale(1.3); opacity:.75; } }

.pw-trace{ stroke:#24466f; stroke-width:2; fill:none; }
.pw-flow{ stroke:var(--cyan-bright); stroke-width:2.4; fill:none; stroke-dasharray:14 238; opacity:.85; animation:pwFlow 4s linear infinite; }
@keyframes pwFlow{ to{ stroke-dashoffset:-252; } }
.pw-f1{ animation-duration:3.2s; }
.pw-f2{ animation-duration:4.4s; animation-delay:.5s; }
.pw-f3{ animation-duration:4.8s; animation-delay:1.1s; }
.pw-f4{ animation-duration:3.6s; animation-delay:1.7s; }
.pw-f5{ animation-duration:4.2s; animation-delay:.9s; }
.pw-f6{ animation-duration:5.0s; animation-delay:2.1s; }

.pw-via{ fill:#24466f; }
.pw-node-ring{ fill:none; stroke:#2e5f93; stroke-width:1.5; }
.pw-node-dot{ fill:var(--cyan-bright); opacity:.85; }
.pw-pulse{ fill:none; stroke:var(--cyan-bright); stroke-width:1.5; opacity:0; transform-box:fill-box; transform-origin:center; animation:pwPulse 4.8s ease-out infinite; }
.pw-p1{ animation-delay:0s; }
.pw-p2{ animation-delay:.8s; }
.pw-p3{ animation-delay:1.6s; }
.pw-p4{ animation-delay:2.4s; }
.pw-p5{ animation-delay:3.2s; }
.pw-p6{ animation-delay:4s; }
@keyframes pwPulse{ 0%{ transform:scale(.6); opacity:.7; } 18%{ transform:scale(2); opacity:0; } 100%{ opacity:0; } }

.pw-shield{ fill:#0e2038; stroke:#2e5f93; stroke-width:2; }
.pw-keyhole{ fill:#0a1526; stroke:#2e5f93; stroke-width:1.5; }
.pw-ico{ fill:none; stroke:#7fb3e8; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.pw-label{ fill:#8aa3c4; font:600 12px var(--font-mono); letter-spacing:1.5px; }
.pw-sublabel{ fill:#5b7396; font:500 10px var(--font-mono); letter-spacing:1.5px; }

/* ---------- Category sections ---------- */
.pw-cat{ margin-top:clamp(48px,7vw,72px); scroll-margin-top:calc(var(--header-h) + 16px); }
.pw-cat-head{ display:flex; align-items:flex-start; gap:16px; margin-bottom:14px; padding-bottom:14px; border-bottom:1px solid var(--line); }
.pw-cat-index{ font:600 .95rem var(--font-mono); color:var(--blue); flex:none; padding-top:4px; width:38px; height:38px; display:grid; place-items:center; background:var(--tint); border:1px solid var(--blue-soft); border-radius:10px; }
.pw-cat-kicker{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.16em; color:var(--blue); margin:0 0 4px; }
.pw-cat-head h2{ font-size:clamp(1.3rem,1rem + 1.2vw,1.7rem); font-weight:600; letter-spacing:-.01em; margin:0; }
.pw-cat-lede{ color:var(--ink-2); font-size:.98rem; line-height:1.7; margin:0 0 8px; max-width:75ch; }
/* ---------- Articles ---------- */
.pw-article{ max-width:860px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:clamp(18px,3vw,28px); margin-top:20px; scroll-margin-top:calc(var(--header-h) + 16px); }
.pw-article-head{ display:flex; align-items:flex-start; gap:14px; margin-bottom:14px; padding-bottom:14px; border-bottom:1px dashed var(--line-2); }
.pw-article-num{ flex:none; font:600 .8rem var(--font-mono); color:#fff; background:var(--blue); width:34px; height:34px; display:grid; place-items:center; border-radius:9px; margin-top:2px; }
.pw-article h3{ font-size:1.16rem; font-weight:600; letter-spacing:-.01em; line-height:1.3; margin:0 0 8px; color:var(--ink); }
.pw-article-meta{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; margin:0; }
.pw-meta-item{ font:500 .68rem var(--font-mono); letter-spacing:.03em; color:var(--ink-3); border:1px solid var(--line-2); background:var(--bg); border-radius:999px; padding:3px 9px; }
.pw-article p{ color:var(--ink-2); line-height:1.75; margin:0 0 14px; }
.pw-article p strong, .pw-article p em{ color:var(--ink); }
.pw-article a{ color:var(--blue); text-decoration:underline; text-underline-offset:2px; text-decoration-color:var(--blue-soft); transition:text-decoration-color .2s; }
.pw-article a:hover{ text-decoration-color:var(--blue); }
.pw-subhead{ font-size:.98rem; font-weight:600; color:var(--ink); margin:20px 0 10px; letter-spacing:-.01em; }
.pw-article ul, .pw-article ol{ margin:0 0 16px; padding-left:22px; color:var(--ink-2); line-height:1.7; }
.pw-article li{ margin-bottom:8px; }
.pw-article li::marker{ color:var(--blue); }
.pw-article code{ font-family:var(--font-mono); font-size:.86em; background:var(--tint); border:1px solid var(--line); border-radius:5px; padding:1px 5px; color:var(--ink); }

/* ---------- Ordered steps ---------- */
.pw-steps{ counter-reset:pw-step; list-style:none; padding:0; margin:0 0 20px; display:grid; gap:14px; }
.pw-steps > li{ counter-increment:pw-step; position:relative; padding:0 0 4px 46px; margin:0; min-height:38px; }
.pw-steps > li::before{ content:counter(pw-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; }
.pw-steps > li strong{ color:var(--ink); }

/* ---------- Warnings & callouts ---------- */
.pw-warn{ display:flex; gap:14px; align-items:flex-start; background:#fdf3e6; border:1px solid #f0d6a8; border-radius:var(--radius); padding:16px 18px; margin:22px 0; }
.pw-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); }
.pw-warn-title{ margin:0 0 6px; font-weight:600; font-size:.98rem; color:var(--ink); }
.pw-warn-text{ margin:0; font-size:.92rem; color:#6b5320; line-height:1.65; }
.pw-callout{ border-left:3px solid var(--blue); background:var(--tint); border-radius:0 var(--radius) var(--radius) 0; padding:14px 18px; margin:20px 0; font-size:.95rem; color:var(--ink-2); }
.pw-callout p{ margin:0; line-height:1.65; }
.pw-callout strong{ color:var(--ink); }
.pw-callout.pw-note{ border-left-color:var(--cyan); background:#eafaf7; }

/* ---------- Code blocks with copy button ---------- */
.pw-block{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:14px 16px; margin:20px 0; }
.pw-block-head{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px; }
.pw-block-label{ font-size:.68rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-3); }
.pw-code{ margin:0; background:var(--tint); border:1px solid var(--line); border-radius:8px; padding:14px 16px; overflow-x:auto; font:400 .8rem/1.7 var(--font-mono); color:var(--ink); white-space:pre; }
.pw-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; }
.pw-copy:hover{ background:var(--blue); color:#fff; border-color:var(--blue); }
.pw-copy.is-done{ background:var(--ok); border-color:var(--ok); color:#06281c; }
.pw-block-note{ margin:10px 0 0; font-size:.8rem; color:var(--ink-3); line-height:1.6; }

/* ---------- Related links ---------- */
.pw-related-links{ list-style:none; padding:0; margin:20px 0 0; display:grid; gap:6px; border-top:1px dashed var(--line-2); padding-top:14px; }
.pw-related-label{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.1em; color:var(--ink-3); margin-bottom:2px; }
.pw-related-links a{ font-size:.9rem; }
/* ---------- Article directory (search + filters) ---------- */
.pw-index{ margin-top:clamp(48px,7vw,72px); scroll-margin-top:calc(var(--header-h) + 16px); }
.pw-index-head{ display:flex; align-items:flex-start; gap:16px; margin-bottom:18px; }
.pw-index-idx{ font:600 .95rem var(--font-mono); color:var(--line-2); flex:none; padding-top:4px; }
.pw-index-kicker{ font:500 .7rem var(--font-mono); text-transform:uppercase; letter-spacing:.16em; color:var(--blue); margin:0 0 4px; }
.pw-index-head h2{ font-size:clamp(1.3rem,1rem + 1.2vw,1.7rem); font-weight:600; letter-spacing:-.01em; margin:0; }
.pw-index-lede{ color:var(--ink-2); font-size:1rem; line-height:1.7; margin:0 0 18px; max-width:75ch; }
.pw-index-toolbar{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:16px; display:grid; gap:12px; margin-bottom:18px; }
.pw-index-search input{ width:100%; box-sizing:border-box; background:var(--bg); border:1.5px solid var(--line-2); border-radius:10px; padding:11px 14px; font:400 .95rem var(--font-body); color:var(--ink); }
.pw-index-search input::placeholder{ color:var(--ink-3); }
.pw-index-search input:focus{ outline:none; border-color:var(--blue); box-shadow:0 0 0 4px rgba(15,91,215,.12); }
.pw-index-chips{ display:flex; flex-wrap:wrap; gap:8px; }
.pw-index-count{ font:500 .74rem var(--font-mono); color:var(--ink-3); margin:0; }
.pw-inline-reset{ font:inherit; font-size:.92rem; color:var(--blue); background:none; border:0; padding:0; cursor:pointer; text-decoration:underline; text-underline-offset:2px; }
.pw-index-grid{ display:grid; grid-template-columns:1fr; gap:14px; }
.pw-tut-card{ display:flex; flex-direction:column; gap:8px; padding:16px 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; }
a.pw-tut-card:hover, a.pw-tut-card:focus-visible{ border-color:var(--blue); transform:translateY(-3px); box-shadow:var(--shadow-1); color:var(--ink); }
.pw-tut-top{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
.pw-tut-num{ font:600 .72rem var(--font-mono); color:var(--ink-3); margin-right:auto; }
.tag-pw-cat{ background:var(--tint); border-color:var(--blue-soft); }
.tag-pw-lvl{ background:#f4f8fd; border-color:var(--line-2); color:var(--ink-2); }
.tag-pw-lvl[data-level="Beginner"]{ color:#1c7a56; background:#e9f7f0; border-color:#bfe6d4; }
.tag-pw-lvl[data-level="Intermediate"]{ color:#8a5a12; background:#fdf3e3; border-color:#ecd3a4; }
.tag-pw-lvl[data-level="Advanced"]{ color:#8a5a12; background:#fdf3e3; border-color:#ecd3a4; }
.pw-tut-title{ font-size:.98rem; font-weight:600; line-height:1.35; margin:0; }
.pw-tut-desc{ font-size:.85rem; color:var(--ink-2); margin:0; line-height:1.6; }
.pw-index-empty{ background:var(--surface); border:1px dashed var(--line-2); border-radius:var(--radius); padding:22px; text-align:center; color:var(--ink-2); font-size:.92rem; margin:0; }

/* ---------- Readiness checklist ---------- */
.pw-check{ background:var(--surface); color:var(--ink); border:1px solid var(--line); border-radius:14px; padding:20px; margin-top:18px; }
.pw-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; }
.pw-check-list{ list-style:none; padding:0; margin:0; }
.pw-check-list li{ margin:0; }
.pw-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); }
.pw-check-list label:hover{ background:#f2f7ff; }
.pw-check-box{ width:18px; height:18px; margin:2px 0 0; accent-color:var(--blue); flex:none; cursor:pointer; }
.pw-check-box:checked + span{ color:var(--ink); }
.pw-check-actions{ display:flex; align-items:center; flex-wrap:wrap; gap:12px; margin-top:16px; padding-top:16px; border-top:1px solid var(--line); }
.pw-check-hint{ font-size:.7rem; color:var(--ink-3); margin:0; }

/* ---------- Image placeholders (hidden until a valid image exists) ---------- */
.pw-figure{ display:none; margin:18px 0; }
.pw-figure.is-ready{ display:block; }
.pw-figure img{ width:100%; height:auto; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); display:block; aspect-ratio:16/9; object-fit:contain; }
.pw-figure figcaption{ margin-top:10px; font:400 .78rem var(--font-mono); color:var(--ink-3); line-height:1.6; }

/* ---------- Article footer ---------- */
.pw-foot{ margin-top:48px; padding-top:20px; border-top:1px solid var(--line); max-width:860px; }
.pw-foot p{ font-size:.85rem; color:var(--ink-3); margin:0; }
/* ---------- Responsive ---------- */
@media (min-width:560px){
  .pw-index-grid{ grid-template-columns:1fr 1fr; }
}
@media (min-width:1000px){
  .pw-grid{ grid-template-columns:230px minmax(0,1fr); gap:56px; }
  .pw-toc{ display:block; position:sticky; top:calc(var(--header-h) + 24px); align-self:start; max-height:calc(100vh - var(--header-h) - 48px); overflow:auto; }
}

/* ---------- Dark theme (local hardcoded colors only) ---------- */
[data-theme="dark"] .pw-warn{ background:#241a09; border-color:#5a4417; }
[data-theme="dark"] .pw-warn-text{ color:#d8b878; }
[data-theme="dark"] .pw-callout.pw-note{ background:#0a2226; }
[data-theme="dark"] .pw-steps > li::before{ background:var(--tint); color:var(--blue); border-color:var(--blue-soft); }
[data-theme="dark"] .pw-check-list label:hover{ background:#14233a; }
[data-theme="dark"] .tag-pw-lvl{ background:#0f1c30; border-color:#1e3049; color:var(--ink-2); }
[data-theme="dark"] .tag-pw-lvl[data-level="Beginner"]{ color:#3ddc97; background:#0f2419; border-color:#2a5c42; }
[data-theme="dark"] .tag-pw-lvl[data-level="Intermediate"],
[data-theme="dark"] .tag-pw-lvl[data-level="Advanced"]{ color:#f5b453; background:#2a2110; border-color:#6b5426; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .pw-progress{ display:none; }
  .pw-glow, .pw-core, .pw-flow, .pw-pulse{ animation:none !important; }
  .pw-flow{ stroke-dasharray:none; opacity:.35; }
  .pw-pulse{ display:none; }
}

/* ---------- Print ---------- */
@media print{
  .pw-progress, .pw-toc, .to-top, .site-header, .topbar, .ad-wrap, .pw-check-actions, .pw-index-toolbar, .site-footer, .consent{ display:none !important; }
  .pw-grid{ display:block; padding:0; }
  .pw-article{ max-width:100%; border:0; padding:12px 0; }
  a{ color:var(--ink); text-decoration:none; }
  .pw-cat{ page-break-inside:avoid; }
}
/* ---------- Related cards ---------- */
.pw-related-grid{ display:grid; grid-template-columns:1fr; gap:14px; margin-top:8px; }
@media (min-width:560px){ .pw-related-grid{ grid-template-columns:1fr 1fr; } }
.pw-rel-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; }
.pw-rel-card:hover, .pw-rel-card:focus-visible{ border-color:var(--blue); transform:translateY(-3px); box-shadow:var(--shadow-1); }
.pw-rel-title{ font-size:1.02rem; font-weight:600; margin:0; color:var(--ink); }
.pw-rel-sub{ font-size:.86rem; color:var(--ink-2); margin:0; line-height:1.55; }