/* ══════════════════════════════════════════════════════════════════════════
   PA SET Explorer Docs — tutorials.php
   ══════════════════════════════════════════════════════════════════════════ */
:root{--dn-w:272px;--toc-w:220px;--mk:#ff8c00;--mk-glow:rgba(255,140,0,.45);--card2:#0c1a2e}

.docs-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--accent),#ffb347);z-index:300;transition:width .1s linear}

.docs-shell{display:grid;grid-template-columns:var(--dn-w) minmax(0,1fr) var(--toc-w);max-width:1480px;margin:0 auto;min-height:calc(100vh - 60px)}
.docs-shell.is-home{grid-template-columns:var(--dn-w) minmax(0,1fr)}
.docs-shell section{padding:0}
.dh-hero h1 strong{color:var(--accent);font-weight:900}

/* ── Left navigation ─────────────────────────────────────────────────────── */
.docs-nav{position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto;padding:20px 14px 40px;border-right:1px solid var(--border);scrollbar-width:thin;scrollbar-color:var(--border-hi) transparent}
.docs-search-btn{display:flex;align-items:center;gap:8px;width:100%;background:var(--bg-card);border:1px solid var(--border-hi);border-radius:10px;padding:9px 11px;color:var(--text-3);font:500 13px var(--font);cursor:pointer;margin-bottom:14px;transition:border-color .15s}
.docs-search-btn:hover{border-color:var(--accent);color:var(--text-2)}
.docs-search-btn span{flex:1;text-align:left}
.docs-search-btn kbd,.dh-search kbd,.sp-in kbd{font:600 10px var(--mono);background:var(--bg-2);border:1px solid var(--border-hi);border-radius:5px;padding:2px 6px;color:var(--text-2)}
.dn-home{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;color:var(--text-2);text-decoration:none;font-size:13.5px;font-weight:600}
.dn-home:hover,.dn-home.on{background:rgba(255,140,0,.08);color:var(--accent)}
.dn-group{margin-top:16px}
.dn-gt{font:700 10.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);padding:0 10px 6px}
.dn-ch{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:8px;color:var(--text-2);text-decoration:none;font-size:13.5px;font-weight:500;line-height:1.35;transition:background .12s,color .12s}
.dn-ch .ico{flex-shrink:0;opacity:.75}
.dn-ch:hover{background:var(--bg-card);color:var(--text)}
.dn-ch.on{background:linear-gradient(90deg,rgba(255,140,0,.16),rgba(255,140,0,.04));color:var(--accent);font-weight:700}
.dn-ch.on .ico{opacity:1}
.dn-secs{margin:4px 0 8px 19px;border-left:1px solid var(--border-hi);padding-left:10px;display:flex;flex-direction:column}
.dn-secs a{font-size:12.5px;color:var(--text-3);text-decoration:none;padding:4px 6px;border-radius:6px;line-height:1.35}
.dn-secs a:hover{color:var(--text)}
.dn-secs a.on{color:var(--accent);background:rgba(255,140,0,.07)}
.docs-nav-toggle{display:none}

/* ── Main column ─────────────────────────────────────────────────────────── */
.docs-main{min-width:0;padding:28px 48px 80px}
.docs-crumb{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.docs-crumb a{color:var(--text-2);text-decoration:none}
.docs-crumb a:hover{color:var(--accent)}
.docs-crumb b{color:var(--text);font-weight:600}

.ch-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:22px}
.ch-ic{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,rgba(255,140,0,.22),rgba(255,140,0,.05));border:1px solid rgba(255,140,0,.35);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}
.ch-head h1{font-size:clamp(28px,3.4vw,40px);font-weight:900;letter-spacing:-.03em;line-height:1.1;margin-bottom:8px}
.ch-sum{font-size:16.5px;color:var(--text-2);line-height:1.65;max-width:720px}
.ch-meta{display:flex;align-items:center;gap:6px;margin-top:10px;font:500 12px var(--mono);color:var(--text-3);flex-wrap:wrap}
.lvl{padding:2px 8px;border-radius:20px;font-weight:700}
.lvl-beginner{background:rgba(0,232,122,.1);color:var(--green)}
.lvl-intermediate{background:rgba(0,212,255,.1);color:var(--cyan)}
.lvl-advanced{background:rgba(168,85,247,.12);color:var(--purple)}
.ch-learn{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:16px 20px;margin-bottom:34px}
.ch-learn-t{display:flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;color:var(--green);margin-bottom:8px}
.ch-learn ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:6px 18px}
.ch-learn li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2)}
.ch-learn li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--green)}

/* ── Content typography ─────────────────────────────────────────────────── */
.docs-content{font-size:15.5px;line-height:1.75;color:#cfd8e6}
.docs-sec{padding-top:18px;margin-bottom:46px;scroll-margin-top:76px}
.docs-content h2,.docs-sec h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:-.02em;color:var(--text);margin-bottom:14px;line-height:1.25;padding-bottom:10px;border-bottom:1px solid var(--border)}
.docs-content h3{font-size:18px;font-weight:750;color:var(--text);margin:28px 0 10px;scroll-margin-top:76px}
.h-anchor{margin-left:8px;color:var(--text-3);text-decoration:none;opacity:0;font-weight:500;transition:opacity .15s}
h2:hover .h-anchor,h3:hover .h-anchor{opacity:1}
.h-anchor:hover{color:var(--accent)}
.docs-content p{margin:0 0 14px}
.docs-content p.lead{font-size:17px;color:var(--text);line-height:1.7}
.docs-content a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(255,140,0,.35)}
.docs-content a:hover{border-bottom-color:var(--accent)}
.docs-content strong{color:var(--text);font-weight:700}
.docs-content code{font:500 .86em var(--mono);background:var(--bg-2);border:1px solid var(--border-hi);border-radius:5px;padding:1px 6px;color:#ffd08a}
.docs-content code.path{color:var(--cyan);word-break:break-all}
.docs-list{margin:0 0 16px 4px;padding-left:20px}
.docs-list li{margin-bottom:6px}
.docs-list li::marker{color:var(--accent)}

/* inline UI chips */
.ui-btn{display:inline-flex;align-items:center;font:600 .82em var(--font);background:linear-gradient(180deg,#1d3a66,#16304f);border:1px solid #2b558f;color:#d6e6ff;border-radius:7px;padding:1px 8px;white-space:nowrap;box-shadow:0 1px 0 rgba(255,255,255,.06) inset}
.ui-menu{display:inline-flex;align-items:center;gap:4px;font:600 .82em var(--font);background:var(--bg-2);border:1px dashed var(--border-hi);border-radius:7px;padding:1px 8px;color:var(--text)}
.ui-menu i{font-style:normal;color:var(--accent)}
.kbd-combo{display:inline-flex;align-items:center;gap:3px;white-space:nowrap}
.kbd-combo i{font-style:normal;color:var(--text-3);font-size:.8em}
kbd{font:700 .78em var(--mono);background:linear-gradient(180deg,#1a2b45,#111e33);border:1px solid #2c4468;border-bottom-width:3px;border-radius:6px;padding:1px 7px;color:var(--text)}
.fmt{display:inline-block;font:700 .78em var(--mono);color:var(--green);background:rgba(0,232,122,.08);border:1px solid rgba(0,232,122,.25);border-radius:5px;padding:0 6px;white-space:nowrap}
.tag{display:inline-block;font:700 .7em var(--mono);letter-spacing:.06em;text-transform:uppercase;border-radius:20px;padding:1px 8px;vertical-align:middle;background:rgba(255,140,0,.12);color:var(--accent);border:1px solid rgba(255,140,0,.3)}
.tag-premium{background:rgba(255,200,0,.12);color:#ffcf40;border-color:rgba(255,200,0,.35)}
.tag-new{background:rgba(0,232,122,.1);color:var(--green);border-color:rgba(0,232,122,.3)}
.tag-beta,.tag-indevelopment{background:rgba(168,85,247,.12);color:#c79bff;border-color:rgba(168,85,247,.35)}
.tag-seta{background:rgba(0,212,255,.1);color:var(--cyan);border-color:rgba(0,212,255,.35)}
.tag-setb{background:rgba(255,140,0,.12);color:var(--accent)}

/* ── Annotated screenshots ──────────────────────────────────────────────── */
.shot{margin:22px 0 28px}
.shot-win{border-radius:12px;overflow:hidden;border:1px solid var(--border-hi);background:#071022;box-shadow:0 24px 60px -24px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.02)}
.shot-bar{display:flex;align-items:center;gap:6px;height:30px;padding:0 10px;background:linear-gradient(180deg,#132341,#0e1b33);border-bottom:1px solid var(--border)}
.shot-bar i{width:10px;height:10px;border-radius:50%;background:#2a3b58}
.shot-bar i:nth-child(1){background:#ff5f57}.shot-bar i:nth-child(2){background:#febc2e}.shot-bar i:nth-child(3){background:#28c840}
.shot-bar span{flex:1;text-align:center;font:600 11px var(--mono);color:var(--text-3);letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shot-zoom{background:none;border:none;color:var(--text-3);cursor:pointer;display:flex;padding:4px;border-radius:6px}
.shot-zoom:hover{color:var(--accent);background:rgba(255,140,0,.1)}
.shot-frame{position:relative;overflow:hidden;cursor:zoom-in;background:#0a1628}
.shot-frame img{position:absolute;max-width:none;height:auto;display:block;user-select:none}
.shot-frame svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.mk-dim{fill:rgba(3,8,20,.55)}
.mk-line{fill:none;stroke:var(--mk);stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;filter:drop-shadow(0 0 6px var(--mk-glow))}
.mk-echo{opacity:.45;filter:none}
.mk-arrow{filter:none}
.shot.in-view .mk-line{animation:mkDraw .9s cubic-bezier(.65,0,.35,1) forwards}
.shot.in-view .mk:nth-child(2) .mk-line{animation-delay:.25s}.shot.in-view .mk:nth-child(3) .mk-line{animation-delay:.5s}
.shot.in-view .mk:nth-child(4) .mk-line{animation-delay:.75s}.shot.in-view .mk:nth-child(5) .mk-line{animation-delay:1s}
.shot.in-view .mk:nth-child(n+6) .mk-line{animation-delay:1.2s}
@keyframes mkDraw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.mk-line{stroke-dashoffset:0!important;animation:none!important}}
.mk-badge circle{fill:var(--mk);stroke:#071022;stroke-width:3}
.mk-badge text{fill:#0a0f1a;font-family:Inter,sans-serif;font-weight:900;text-anchor:middle}
.mk{transition:opacity .2s}
.shot.hl-any .mk{opacity:.25}
.shot.hl-any .mk.hl{opacity:1}
.mk.hl .mk-line{stroke:#ffd166;filter:drop-shadow(0 0 10px rgba(255,209,102,.9))}
.mk.hl .mk-badge circle{fill:#ffd166}
.shot-legend{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px 14px;margin:14px 2px 0;padding:0}
.shot-legend li{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;line-height:1.5;color:var(--text-2);padding:7px 10px;border-radius:9px;border:1px solid transparent;cursor:default;transition:background .15s,border-color .15s}
.shot-legend li:hover,.shot-legend li.hl{background:rgba(255,140,0,.07);border-color:rgba(255,140,0,.25)}
.shot-legend b{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--mk);color:#0a0f1a;font:900 12px var(--font);display:flex;align-items:center;justify-content:center;margin-top:1px}
.shot figcaption{display:flex;gap:8px;align-items:flex-start;margin-top:10px;font-size:13px;color:var(--text-3);line-height:1.5}
.shot figcaption .ico{flex-shrink:0;margin-top:3px}
.shot-missing .shot-ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;aspect-ratio:16/9;border:1px dashed var(--border-hi);border-radius:12px;color:var(--text-3);font-size:13px}

/* ── Callouts / tips / steps ─────────────────────────────────────────────── */
.callout{display:flex;gap:14px;border-radius:12px;padding:14px 18px;margin:20px 0;border:1px solid;background:var(--bg-card)}
.callout-ic{flex-shrink:0;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center}
.callout-t{font-weight:800;font-size:14.5px;margin-bottom:4px;color:var(--text)}
.callout p{margin:0 0 6px;font-size:14.5px}
.callout p:last-child{margin-bottom:0}
.callout ul{margin:6px 0 0 18px;font-size:14.5px}
.callout-tip{border-color:rgba(0,232,122,.28);background:linear-gradient(135deg,rgba(0,232,122,.07),var(--bg-card) 60%)}
.callout-tip .callout-ic{background:rgba(0,232,122,.12);color:var(--green)}
.callout-warning{border-color:rgba(248,113,113,.35);background:linear-gradient(135deg,rgba(248,113,113,.08),var(--bg-card) 60%)}
.callout-warning .callout-ic{background:rgba(248,113,113,.14);color:var(--red)}
.callout-note{border-color:rgba(0,212,255,.28);background:linear-gradient(135deg,rgba(0,212,255,.06),var(--bg-card) 60%)}
.callout-note .callout-ic{background:rgba(0,212,255,.12);color:var(--cyan)}
.callout-success{border-color:rgba(0,232,122,.3)}
.callout-success .callout-ic{background:rgba(0,232,122,.12);color:var(--green)}
.callout-premium{border-color:rgba(255,200,0,.35);background:linear-gradient(135deg,rgba(255,200,0,.08),var(--bg-card) 60%)}
.callout-premium .callout-ic{background:rgba(255,200,0,.14);color:#ffcf40}
.callout-dev{border-color:rgba(168,85,247,.35);background:linear-gradient(135deg,rgba(168,85,247,.09),var(--bg-card) 60%)}
.callout-dev .callout-ic{background:rgba(168,85,247,.15);color:#c79bff}

.tips-box{border:1px solid rgba(255,140,0,.3);border-radius:14px;margin:24px 0;background:linear-gradient(160deg,rgba(255,140,0,.07),var(--bg-card) 55%);overflow:hidden}
.tips-head{display:flex;align-items:center;gap:8px;padding:11px 18px;font-weight:800;font-size:14px;color:var(--accent);border-bottom:1px solid rgba(255,140,0,.18)}
.tips-box ul{list-style:none;padding:10px 18px 14px;margin:0}
.tips-box li{position:relative;padding:6px 0 6px 26px;font-size:14.5px;border-bottom:1px dashed rgba(255,255,255,.05)}
.tips-box li:last-child{border-bottom:none}
.tips-box li::before{content:"★";position:absolute;left:2px;top:6px;color:var(--accent);font-size:13px}

.steps{list-style:none;margin:18px 0 24px;padding:0;counter-reset:none}
.step{display:flex;gap:16px;position:relative;padding-bottom:22px}
.step::before{content:"";position:absolute;left:17px;top:38px;bottom:0;width:2px;background:linear-gradient(var(--border-hi),transparent)}
.step:last-child::before{display:none}
.step-n{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#ffb347);color:#0a0f1a;font:900 15px var(--font);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 5px rgba(255,140,0,.12)}
.step-body{flex:1;min-width:0;padding-top:5px}
.step-t{font-weight:800;color:var(--text);font-size:16px;margin-bottom:4px}
.step-body p{margin:0 0 8px}
.step-tip{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--green);background:rgba(0,232,122,.06);border:1px solid rgba(0,232,122,.2);border-radius:9px;padding:8px 12px;margin-top:6px}
.step-tip .ico{flex-shrink:0;margin-top:3px}
.step .shot{margin:12px 0 8px}

/* ── Tables / cards / keys / flow / compare ─────────────────────────────── */
.tbl-wrap{overflow-x:auto;margin:18px 0;border:1px solid var(--border);border-radius:12px}
.docs-table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.docs-table th{background:var(--bg-2);text-align:left;font:700 11.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--text-2);padding:11px 14px;border-bottom:1px solid var(--border-hi)}
.docs-table td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:top;color:#cfd8e6}
.docs-table tr:last-child td{border-bottom:none}
.docs-table tbody tr:hover td{background:rgba(255,255,255,.015)}
.docs-table td:first-child{font-weight:600;color:var(--text)}
.tbl-cap{font-size:12.5px;color:var(--text-3);margin:-10px 0 18px}

.cards{display:grid;gap:12px;margin:18px 0 22px}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:15px 16px;text-decoration:none!important;color:inherit;transition:border-color .15s,transform .15s;border-bottom:1px solid var(--border)!important}
a.card:hover{border-color:rgba(255,140,0,.5)!important;transform:translateY(-2px)}
.card-ic{width:36px;height:36px;border-radius:9px;background:rgba(255,140,0,.1);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.card-t{font-weight:800;color:var(--text);font-size:14.5px;margin-bottom:4px}
.card-x{font-size:13.5px;color:var(--text-2);line-height:1.55}

.keys{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px;margin:16px 0 22px}
.key-row{display:flex;align-items:center;gap:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:10px 14px}
.key-k{flex-shrink:0;min-width:120px}
.key-x{font-size:14px;color:var(--text-2)}

.flow{display:flex;align-items:stretch;gap:6px;flex-wrap:wrap;margin:18px 0 22px}
.flow-step{flex:1 1 140px;display:flex;flex-direction:column;gap:6px;background:var(--bg-card);border:1px solid var(--border-hi);border-radius:12px;padding:12px 14px;font-size:13.5px;color:var(--text-2);line-height:1.45}
.flow-step span{width:24px;height:24px;border-radius:50%;background:rgba(255,140,0,.15);color:var(--accent);font:900 12px var(--font);display:flex;align-items:center;justify-content:center}
.flow-arrow{display:flex;align-items:center;color:var(--accent)}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 22px}
.cmp{border-radius:12px;padding:14px 18px;border:1px solid var(--border-hi);background:var(--bg-card)}
.cmp-left{border-top:3px solid var(--cyan)}.cmp-right{border-top:3px solid var(--accent)}
.cmp-t{font-weight:800;color:var(--text);margin-bottom:8px}
.cmp ul{margin:0 0 0 18px;font-size:14px}
.cmp li{margin-bottom:5px}

.mini-faq{margin:18px 0}
.mini-faq details{border:1px solid var(--border);border-radius:10px;margin-bottom:8px;background:var(--bg-card)}
.mini-faq summary{cursor:pointer;padding:11px 14px;font-weight:700;color:var(--text);font-size:14.5px;list-style:none}
.mini-faq summary::before{content:"Q";font:900 11px var(--mono);color:var(--accent);margin-right:10px}
.mini-faq details>div{padding:0 14px 8px;font-size:14.5px}

/* prev / next */
.ch-pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.ch-pn a{display:flex;flex-direction:column;gap:3px;border:1px solid var(--border-hi);border-radius:12px;padding:14px 18px;text-decoration:none;background:var(--bg-card);transition:border-color .15s}
.ch-pn a:hover{border-color:var(--accent)}
.ch-pn small{display:flex;align-items:center;gap:4px;font:600 11px var(--mono);color:var(--text-3);text-transform:uppercase;letter-spacing:.08em}
.ch-pn span{font-weight:800;color:var(--text);font-size:15px}
.pn-next{text-align:right;align-items:flex-end}
.docs-foot{display:flex;gap:10px;align-items:center;margin-top:46px;padding:16px 18px;border-radius:12px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-2);font-size:14px}
.docs-foot .ico{color:var(--accent);flex-shrink:0}
.docs-foot a{color:var(--accent)}

/* ── Right: on this page ─────────────────────────────────────────────────── */
.docs-toc{position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto;padding:30px 16px 30px 10px;scrollbar-width:none}
.toc-t{font:700 10.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin-bottom:10px}
.docs-toc a{display:block;font-size:12.5px;color:var(--text-3);text-decoration:none;padding:5px 10px;border-left:2px solid var(--border);line-height:1.4;transition:color .12s,border-color .12s}
.docs-toc a:hover{color:var(--text)}
.docs-toc a.on{color:var(--accent);border-left-color:var(--accent);font-weight:600}
.docs-toc .toc-top{display:flex;align-items:center;gap:6px;margin-top:14px;border-left:none;color:var(--text-3)}
.docs-toc .toc-top .ico{transform:rotate(-90deg)}
.docs-toc .toc-md{display:flex;align-items:center;gap:6px;margin-top:6px;border-left:none;color:var(--text-3);font-size:11.5px}
.docs-toc .toc-md:hover{color:var(--accent)}

/* ── Home ────────────────────────────────────────────────────────────────── */
.dh-hero{position:relative;border:1px solid var(--border);border-radius:20px;overflow:hidden;padding:56px 40px 46px;text-align:center;margin-bottom:34px;background-color:var(--bg-1)}
.dh-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 70% at 50% 0%,rgba(255,140,0,.18),transparent 70%),linear-gradient(180deg,transparent 40%,var(--bg-1));pointer-events:none}
.dh-hero-in{position:relative;max-width:760px;margin:0 auto}
.dh-badge{display:inline-flex;align-items:center;gap:6px;font:700 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:rgba(255,140,0,.1);border:1px solid rgba(255,140,0,.3);border-radius:100px;padding:5px 14px;margin-bottom:20px}
.dh-hero h1{font-size:clamp(32px,5vw,56px);font-weight:900;letter-spacing:-.035em;line-height:1.05;margin-bottom:14px}
.dh-sub{font-size:17px;color:var(--text-2);line-height:1.65;margin-bottom:26px}
.dh-search{display:flex;align-items:center;gap:12px;width:100%;max-width:620px;margin:0 auto;background:rgba(10,21,37,.9);border:1px solid var(--border-hi);border-radius:14px;padding:15px 18px;color:var(--text-3);font:500 15px var(--font);cursor:pointer;box-shadow:0 18px 50px -20px rgba(255,140,0,.35);transition:border-color .15s}
.dh-search:hover{border-color:var(--accent)}
.dh-search span{flex:1;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dh-quick{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px}
.dh-quick a{font-size:12.5px;font-weight:600;color:var(--text-2);text-decoration:none;border:1px solid var(--border-hi);border-radius:100px;padding:5px 13px;background:rgba(10,21,37,.7);transition:all .15s}
.dh-quick a:hover{color:var(--accent);border-color:var(--accent)}
.dh-block{margin-bottom:44px}
.dh-h{margin-bottom:18px}
.dh-h .section-tag{display:block;margin-bottom:6px}
.dh-h h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;letter-spacing:-.025em}
.dh-gt{font:700 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin:22px 0 10px}
.dh-path{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;padding:0;counter-reset:none}
.dh-path a{display:flex;flex-direction:column;gap:6px;height:100%;padding:16px;border:1px solid var(--border-hi);border-radius:14px;background:var(--bg-card);text-decoration:none;transition:border-color .15s,transform .15s}
.dh-path a:hover{border-color:var(--accent);transform:translateY(-2px)}
.dh-pn{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#ffb347);color:#0a0f1a;font:900 14px var(--font);display:flex;align-items:center;justify-content:center}
.dh-pt{font-weight:800;color:var(--text);font-size:14.5px}
.dh-px{font-size:13px;color:var(--text-2);line-height:1.5}
.dh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.dh-card{display:flex;flex-direction:column;gap:6px;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--bg-card);text-decoration:none;transition:border-color .15s,transform .15s,box-shadow .15s}
.dh-card:hover{border-color:rgba(255,140,0,.55);transform:translateY(-2px);box-shadow:0 16px 40px -20px rgba(255,140,0,.35)}
.dh-card-ic{width:42px;height:42px;border-radius:11px;background:rgba(255,140,0,.1);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.dh-card-t{font-weight:800;color:var(--text);font-size:15.5px}
.dh-card-x{font-size:13.5px;color:var(--text-2);line-height:1.55;flex:1}
.dh-card-m{display:flex;align-items:center;gap:5px;font:500 11.5px var(--mono);color:var(--text-3);margin-top:6px}
.dh-faq{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:8px}
.dh-faq a{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:11px;background:var(--bg-card);text-decoration:none;color:var(--text);font-size:14px;font-weight:600;transition:border-color .15s}
.dh-faq a:hover{border-color:var(--accent)}
.dh-faq a span{flex:1}
.dh-faq a .ico:first-child{color:var(--accent);flex-shrink:0}
.dh-faq a .ico:last-child{color:var(--text-3)}

/* ── FAQ page ────────────────────────────────────────────────────────────── */
.faq-tools{position:sticky;top:60px;z-index:5;background:linear-gradient(var(--bg) 80%,transparent);padding:10px 0 16px;margin-bottom:6px}
.faq-search{display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--border-hi);border-radius:12px;padding:0 14px;color:var(--text-3)}
.faq-search:focus-within{border-color:var(--accent)}
.faq-search input{flex:1;background:none;border:none;outline:none;color:var(--text);font:500 15px var(--font);padding:13px 0}
.faq-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.faq-chips button{font:600 12.5px var(--font);color:var(--text-2);background:var(--bg-card);border:1px solid var(--border-hi);border-radius:100px;padding:5px 12px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.faq-chips button i{font:700 10.5px var(--mono);font-style:normal;color:var(--text-3)}
.faq-chips button.on,.faq-chips button:hover{color:var(--accent);border-color:var(--accent);background:rgba(255,140,0,.08)}
.faq-cat{margin-bottom:30px;scroll-margin-top:170px}
.faq-cat h2{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;margin-bottom:12px;color:var(--text)}
.faq-cat h2 .ico{color:var(--accent)}
.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:8px;background:var(--bg-card);scroll-margin-top:170px;transition:border-color .15s}
.faq-item[open]{border-color:rgba(255,140,0,.4)}
.faq-item summary{display:flex;align-items:center;gap:12px;cursor:pointer;padding:14px 16px;font-weight:700;color:var(--text);font-size:15px;list-style:none;line-height:1.45}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary span{flex:1}
.faq-item summary .ico{flex-shrink:0;color:var(--text-3);transition:transform .2s}
.faq-item[open] summary .ico{transform:rotate(90deg);color:var(--accent)}
.faq-a{position:relative;padding:0 16px 14px;font-size:14.8px;line-height:1.7;color:#cfd8e6}
.faq-a p{margin:0 0 10px}
.faq-a a{color:var(--accent)}
.faq-see{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;text-decoration:none;border:1px solid rgba(255,140,0,.35);border-radius:8px;padding:5px 10px}
.faq-see:hover{background:rgba(255,140,0,.08)}
.faq-link{position:absolute;right:14px;bottom:12px;color:var(--text-3)!important}
.faq-a code{font:500 .86em var(--mono);background:var(--bg-2);border:1px solid var(--border-hi);border-radius:5px;padding:1px 6px;color:#ffd08a}
.faq-a strong{color:var(--text)}
.faq-empty{display:flex;align-items:center;gap:10px;justify-content:center;padding:40px;color:var(--text-3)}
mark.hl-q{background:rgba(255,140,0,.28);color:inherit;border-radius:3px;padding:0 1px}

/* ── Glossary ────────────────────────────────────────────────────────────── */
.gl-letters{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:24px}
.gl-letters a{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-hi);border-radius:8px;color:var(--text-2);text-decoration:none;font:700 13px var(--mono)}
.gl-letters a:hover{color:var(--accent);border-color:var(--accent)}
.gl-letter{font:900 26px var(--font);color:var(--accent);margin:26px 0 8px;scroll-margin-top:80px}
.gl-item{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--border);scroll-margin-top:80px}
.gl-item dt{font-weight:800;color:var(--text);font-family:var(--mono);font-size:14px}
.gl-item dd{font-size:14.5px;color:var(--text-2);line-height:1.65}
.gl-item dd code{font:500 .86em var(--mono);background:var(--bg-2);border-radius:5px;padding:1px 5px;color:#ffd08a}
.gl-item:target{background:rgba(255,140,0,.06)}

/* ── Search palette ──────────────────────────────────────────────────────── */
.sp-overlay{position:fixed;inset:0;z-index:400;background:rgba(2,6,16,.72);backdrop-filter:blur(6px);display:flex;align-items:flex-start;justify-content:center;padding:9vh 16px 16px}
.sp-overlay[hidden]{display:none}
.sp-box{width:100%;max-width:680px;background:var(--bg-1);border:1px solid var(--border-hi);border-radius:16px;box-shadow:0 30px 90px rgba(0,0,0,.7);overflow:hidden;display:flex;flex-direction:column;max-height:78vh}
.sp-in{display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--border);color:var(--accent)}
.sp-in input{flex:1;background:none;border:none;outline:none;color:var(--text);font:500 16px var(--font);padding:17px 0}
.sp-res{overflow-y:auto;padding:8px}
.sp-res a{display:block;padding:10px 12px;border-radius:10px;text-decoration:none;border:1px solid transparent}
.sp-res a.on{background:rgba(255,140,0,.09);border-color:rgba(255,140,0,.3)}
.sp-r-c{font:600 10.5px var(--mono);color:var(--text-3);text-transform:uppercase;letter-spacing:.08em}
.sp-r-t{font-weight:700;color:var(--text);font-size:14.5px;margin:2px 0}
.sp-r-x{font-size:12.8px;color:var(--text-2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sp-r-f .sp-r-c{color:var(--green)}
.sp-empty{padding:26px;text-align:center;color:var(--text-3);font-size:14px}
.sp-foot{display:flex;gap:16px;flex-wrap:wrap;padding:9px 16px;border-top:1px solid var(--border);font-size:11.5px;color:var(--text-3)}
.sp-foot kbd{font-size:10px;padding:0 5px;margin-right:2px}

/* ── Lightbox ────────────────────────────────────────────────────────────── */
.lb{position:fixed;inset:0;z-index:450;background:rgba(2,6,16,.94);display:flex;align-items:center;justify-content:center;padding:20px 70px}
.lb[hidden]{display:none}
.lb-stage{display:flex;gap:20px;align-items:center;max-width:100%;max-height:100%}
.lb-stage .shot{margin:0;display:flex;gap:22px;align-items:flex-start}
.lb-stage .shot-win{flex-shrink:0}
.lb-stage .shot-legend{display:flex;flex-direction:column;max-width:320px;max-height:86vh;overflow-y:auto;margin:0}
.lb-stage .shot-frame{cursor:default}
.lb-stage figcaption{display:none}
.lb-x{position:absolute;top:16px;right:18px;background:var(--bg-card);border:1px solid var(--border-hi);color:var(--text);border-radius:10px;width:42px;height:42px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:var(--bg-card);border:1px solid var(--border-hi);color:var(--text);border-radius:50%;width:46px;height:46px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.lb-prev{left:14px}.lb-next{right:14px}
.lb-x:hover,.lb-nav:hover{border-color:var(--accent);color:var(--accent)}
.lb-nav[disabled]{opacity:.25;cursor:default}

.docs-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--bg-card);border:1px solid var(--accent);color:var(--text);padding:9px 16px;border-radius:10px;font-size:13px;z-index:500;box-shadow:0 10px 30px rgba(0,0,0,.5)}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width:1280px){
  .docs-shell{grid-template-columns:var(--dn-w) minmax(0,1fr)}
  .docs-toc{display:none}
  .docs-main{padding:26px 34px 70px}
}
@media (max-width:960px){
  .docs-shell,.docs-shell.is-home{grid-template-columns:minmax(0,1fr)}
  .docs-nav{position:fixed;top:60px;left:0;bottom:0;width:300px;max-width:86vw;height:auto;z-index:250;background:var(--bg-1);transform:translateX(-102%);transition:transform .25s ease;box-shadow:20px 0 60px rgba(0,0,0,.6)}
  .docs-nav.open{transform:none}
  .docs-nav-toggle{display:flex;align-items:center;gap:8px;position:fixed;left:14px;bottom:16px;z-index:260;background:var(--accent);color:#0a0f1a;border:none;border-radius:100px;padding:10px 16px;font:800 13px var(--font);box-shadow:0 10px 30px rgba(255,140,0,.35);cursor:pointer}
  .docs-main{padding:20px 16px 90px}
  .cards-3,.cards-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare{grid-template-columns:1fr}
  .lb{padding:56px 10px 10px}
  .lb-stage .shot{flex-direction:column}
  .lb-stage .shot-legend{max-width:none;max-height:28vh}
  .lb-nav{top:auto;bottom:14px;transform:none}
}
@media (max-width:620px){
  .cards-2,.cards-3,.cards-4{grid-template-columns:1fr}
  .ch-head{flex-direction:column;gap:12px}
  .dh-hero{padding:38px 18px 32px}
  .gl-item{grid-template-columns:1fr;gap:4px}
  .ch-pn{grid-template-columns:1fr}
  .shot-legend{grid-template-columns:1fr}
  .flow-arrow{transform:rotate(90deg);width:100%;justify-content:center}
  .dh-search kbd,.docs-search-btn kbd{display:none}
}