/* ==========================================================================
   VOC Interactive Workspace — application shell & components
   Loads after main.css (tokens shared). Fixed-viewport app layout.
   ========================================================================== */

:root{
  --nav-w:248px;
  --top-h:58px;
  --ws-bg:#0A1120;
  --ws-panel:#0F1830;
  --ws-panel-2:#131E38;
  --ws-nav:#070E1C;
}

html,body{height:100%}
body.ws-body{overflow:hidden;background:var(--ws-bg)}

/* ---------- App shell ---------- */
#app{
  display:grid;
  grid-template-columns:var(--nav-w) 1fr;
  grid-template-rows:var(--top-h) 1fr;
  grid-template-areas:"brand top" "nav main";
  height:100vh;height:100dvh;
}
.ws-brand{
  grid-area:brand;display:flex;align-items:center;padding:0 16px;
  background:var(--ws-nav);border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
}
.workspace-logo{
  display:block;
  width:68px;
  height:auto;
  object-fit:contain;
  flex-shrink:0;
}

.ws-top{
  grid-area:top;display:flex;align-items:center;gap:14px;padding:0 20px;
  background:rgba(10,17,32,.9);border-bottom:1px solid var(--line-2);
  backdrop-filter:blur(10px);z-index:30;
}
.ws-menu-btn{display:none;width:38px;height:38px;border-radius:9px;border:1px solid var(--line);color:var(--ink);align-items:center;justify-content:center;flex-shrink:0}
.ws-crumb{font-size:13px;color:var(--faint);display:flex;align-items:center;gap:8px;min-width:0}
.ws-crumb b{color:var(--ink);font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ws-search{
  margin-left:auto;position:relative;flex:0 1 340px;min-width:0;
}
.ws-search .wsq{
  width:100%;display:flex;align-items:center;gap:9px;height:36px;padding:0 12px;
  background:rgba(148,163,184,.07);border:1px solid var(--line);border-radius:9px;
  color:var(--faint);font-size:13px;cursor:text;transition:border-color var(--tr),background var(--tr);
}
.ws-search .wsq:hover{border-color:var(--line-strong)}
.ws-search input{flex:1;background:none;border:none;outline:none;color:var(--ink);font-size:13px;min-width:0}
.ws-search input::placeholder{color:var(--faint)}
.ws-search .kbd{margin-left:auto}
.ws-search-results{
  position:absolute;top:calc(100% + 8px);left:0;right:0;max-height:420px;overflow-y:auto;
  background:var(--ws-panel-2);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-3);
  display:none;z-index:80;padding:6px;
}
.ws-search-results.open{display:block;animation:popUp .16s ease-out}
@keyframes popUp{from{opacity:0;transform:translateY(6px)}}
.wsr-group{font-size:9.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);padding:9px 10px 4px}
.wsr-item{display:flex;flex-direction:column;gap:1px;padding:9px 10px;border-radius:8px;cursor:pointer}
.wsr-item:hover,.wsr-item.sel{background:rgba(37,99,235,.14)}
.wsr-item b{color:var(--ink);font-size:13px;font-weight:600}
.wsr-item span{color:var(--muted);font-size:11.5px}
.wsr-empty{padding:14px 12px;font-size:13px;color:var(--muted)}
.ws-top-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ws-exit{font-size:12.5px;color:var(--muted);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:550}
.ws-exit:hover{color:var(--ink);text-decoration:none}
.ws-demo-pill{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--sky);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);padding:4px 10px;border-radius:20px;white-space:nowrap}

/* ---------- Sidebar nav ---------- */
.ws-nav{
  grid-area:nav;background:var(--ws-nav);border-right:1px solid var(--line-2);
  padding:14px 10px 18px;overflow-y:auto;display:flex;flex-direction:column;
}
.ws-nav::-webkit-scrollbar-thumb{background:#16223C;border-color:var(--ws-nav)}
.ws-nav .grp{font-size:9.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);padding:14px 12px 6px}
.ws-nav .grp:first-child{padding-top:2px}
.ws-nav-item{
  display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;
  color:var(--muted);font-size:13.5px;font-weight:550;cursor:pointer;text-decoration:none;
  transition:background var(--tr),color var(--tr);position:relative;border:none;background:none;width:100%;text-align:left;
}
.ws-nav-item svg{width:16px;height:16px;flex-shrink:0;opacity:.85}
.ws-nav-item:hover{background:rgba(148,163,184,.07);color:var(--ink-2);text-decoration:none}
.ws-nav-item.on{background:rgba(37,99,235,.18);color:#fff}
.ws-nav-item.on::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--sky)}
.ws-nav-item .b{margin-left:auto;font-family:var(--mono);font-size:9.5px;color:var(--faint);background:rgba(148,163,184,.1);border-radius:4px;padding:1px 6px}
.ws-nav-foot{margin-top:auto;padding:16px 10px 0}
.ws-nav-foot .card-mini{
  background:linear-gradient(135deg,rgba(37,99,235,.16),rgba(56,189,248,.07));
  border:1px solid rgba(59,130,246,.3);border-radius:12px;padding:13px 14px;font-size:12px;color:var(--ink-2);
}
.ws-nav-foot .card-mini b{color:var(--ink);display:block;margin-bottom:3px;font-size:12.5px}
.ws-nav-foot .card-mini a{display:inline-flex;margin-top:9px;font-size:12px;font-weight:650;color:var(--sky)}

/* ---------- Main ---------- */
.ws-main{grid-area:main;overflow-y:auto;scroll-behavior:smooth;position:relative}
.ws-view{max-width:1280px;margin:0 auto;padding:26px 28px 110px;animation:viewIn .3s ease}
@keyframes viewIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.ws-page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px;flex-wrap:wrap}
.ws-page-head h1{font-size:22px;font-weight:750;letter-spacing:-.02em}
.ws-page-head .sub{font-size:13.5px;color:var(--muted);margin-top:5px;max-width:70ch}
.ws-page-head .actions{display:flex;gap:9px;flex-wrap:wrap}

/* ---------- Cards & grids (app density) ---------- */
.wcard{background:linear-gradient(180deg,var(--ws-panel-2),var(--ws-panel));border:1px solid var(--line);border-radius:14px;padding:18px 20px;position:relative;min-width:0}
.wcard .ct{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.wcard h3{font-size:15px;margin-bottom:8px}
.wgrid{display:grid;gap:14px}
.wg2{grid-template-columns:repeat(2,1fr)}
.wg3{grid-template-columns:repeat(3,1fr)}
.wg4{grid-template-columns:repeat(4,1fr)}
.wg-2-1{grid-template-columns:2fr 1fr}
.wg-1-2{grid-template-columns:1fr 2fr}
.wg-kpi{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}

/* KPI */
.kpi{
  background:linear-gradient(180deg,var(--ws-panel-2),var(--ws-panel));border:1px solid var(--line);
  border-radius:13px;padding:15px 17px;position:relative;overflow:hidden;cursor:pointer;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);text-align:left;width:100%;
}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blue-bright)}
.kpi:hover{transform:translateY(-2px);border-color:rgba(59,130,246,.45);box-shadow:var(--sh-2)}
.kpi .lab{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.kpi .val{font-size:26px;font-weight:750;letter-spacing:-.03em;color:var(--ink);margin:5px 0 2px;font-variant-numeric:tabular-nums}
.kpi .val small{font-size:13px;color:var(--faint);font-weight:550;letter-spacing:0;margin-left:2px}
.kpi .sub{font-size:11.5px;color:var(--muted)}
.kpi.k-ok::before{background:var(--ok)} .kpi.k-sky::before{background:var(--sky)}
.kpi.k-ai::before{background:var(--ai)} .kpi.k-teal::before{background:var(--teal)}
.kpi.flash{animation:kflash 1.4s ease-out}
@keyframes kflash{0%{box-shadow:0 0 0 3px rgba(56,189,248,.4);border-color:var(--sky)}100%{box-shadow:none}}

/* platform map */
.pmap{display:flex;flex-direction:column;gap:8px}
.pmap-layer{
  border:1px solid var(--line);border-radius:11px;padding:13px 17px;background:var(--ws-panel);
  display:flex;align-items:center;gap:12px;cursor:pointer;transition:border-color var(--tr),background var(--tr);
  width:100%;text-align:left;
}
.pmap-layer:hover{border-color:rgba(59,130,246,.5);background:var(--ws-panel-2)}
.pmap-layer.on{border-color:var(--blue-bright);background:rgba(37,99,235,.12)}
.pmap-layer b{color:var(--ink);font-size:13.5px}
.pmap-layer span{color:var(--muted);font-size:12px}
.pmap-arrow{align-self:center;color:var(--faint);line-height:1;margin:-2px 0}
.pmap-detail{border:1px dashed var(--line);border-radius:11px;padding:14px 17px;font-size:13px;color:var(--ink-2);background:rgba(148,163,184,.04)}

/* module tiles */
.mtile{
  background:var(--ws-panel);border:1px solid var(--line);border-radius:12px;padding:14px 15px;
  cursor:pointer;transition:transform var(--tr),border-color var(--tr);width:100%;text-align:left;
}
.mtile:hover{transform:translateY(-2px);border-color:rgba(59,130,246,.5)}
.mtile .mi{width:32px;height:32px;border-radius:9px;background:rgba(37,99,235,.15);color:var(--sky);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.mtile b{color:var(--ink);font-size:13.5px;display:block;margin-bottom:3px}
.mtile span{color:var(--muted);font-size:11.8px;line-height:1.45;display:block}
.mtile.sel{border-color:var(--blue-bright);background:rgba(37,99,235,.12)}
.mtile .ck-fl{position:absolute}
.mtile{position:relative}
.mtile .sel-ck{
  position:absolute;top:10px;right:10px;width:18px;height:18px;border-radius:6px;border:2px solid var(--faint);
  display:flex;align-items:center;justify-content:center;color:transparent;transition:all var(--tr);
}
.mtile.sel .sel-ck{background:var(--blue);border-color:var(--blue);color:#fff}

/* stepper (planning) */
.stg-strip{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px}
.stg{
  flex:1;min-width:96px;padding:10px 12px;background:var(--ws-panel);border:1px solid var(--line);
  border-radius:9px;cursor:pointer;transition:border-color var(--tr),background var(--tr);text-align:left;
}
.stg .n{font-family:var(--mono);font-size:9px;color:var(--faint);display:block}
.stg b{font-size:11.5px;color:var(--ink-2);font-weight:650;line-height:1.25;display:block;margin-top:2px}
.stg:hover{border-color:var(--line-strong)}
.stg.on{border-color:var(--blue-bright);background:rgba(37,99,235,.14)}
.stg.on b{color:#fff}
.stg-detail{margin-top:16px}
.dfield{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:13px}
.dfield:last-child{border-bottom:none}
.dfield .k{color:var(--faint);font-weight:550;flex-shrink:0}
.dfield .v{color:var(--ink-2);font-weight:600;text-align:right}

/* estimate panel */
.est-line{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:9px 0;border-bottom:1px solid var(--line-2);font-size:13.5px}
.est-line:last-child{border-bottom:none}
.est-line .k{color:var(--muted)}
.est-line .v{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.est-line .v.hl{color:var(--sky);font-size:16px}
.est-line.bump .v{animation:vbump .8s ease-out}
@keyframes vbump{0%{color:var(--sky);text-shadow:0 0 14px rgba(56,189,248,.7)}100%{}}
.ctrl{margin-bottom:16px}
.ctrl .cl{display:flex;justify-content:space-between;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.ctrl .cl output{color:var(--sky);font-variant-numeric:tabular-nums}

/* chat */
.chat-shell{display:flex;flex-direction:column;height:calc(100vh - var(--top-h) - 170px);min-height:420px}
.chat-scroll{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:4px 2px 12px}
.msg{max-width:78%;padding:12px 15px;border-radius:13px;font-size:13.8px;line-height:1.55;animation:msgIn .25s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(6px)}}
.msg.u{align-self:flex-end;background:var(--blue);color:#fff;border-radius:13px 13px 4px 13px}
.msg.a{align-self:flex-start;background:var(--ws-panel-2);border:1px solid var(--line);color:var(--ink-2);border-radius:13px 13px 13px 4px}
.msg.a b{color:var(--ink)}
.msg.a .src{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.msg.a .src button{
  font-size:10.5px;font-weight:700;color:var(--sky);background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.25);border-radius:5px;padding:2px 8px;cursor:pointer;
}
.msg.a .src button:hover{background:rgba(56,189,248,.2)}
.typing{display:inline-flex;gap:5px;padding:13px 16px;align-self:flex-start;background:var(--ws-panel-2);border:1px solid var(--line);border-radius:13px 13px 13px 4px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--sky);animation:tblink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.18s}.typing i:nth-child(3){animation-delay:.36s}
@keyframes tblink{0%,60%,100%{opacity:.25}30%{opacity:1}}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:10px 0}
.chip-q{
  font-size:12px;font-weight:600;color:var(--ink-2);background:rgba(148,163,184,.07);
  border:1px solid var(--line);border-radius:20px;padding:6px 13px;cursor:pointer;
  transition:border-color var(--tr),color var(--tr);text-align:left;
}
.chip-q:hover{border-color:var(--sky);color:var(--sky)}
.composer{display:flex;gap:10px;padding-top:12px;border-top:1px solid var(--line-2)}
.composer input{
  flex:1;background:rgba(148,163,184,.07);border:1px solid var(--line);border-radius:11px;
  padding:12px 16px;color:var(--ink);font-size:14px;outline:none;transition:border-color var(--tr);
}
.composer input:focus{border-color:var(--blue-bright)}
.composer button{
  width:46px;height:46px;border-radius:11px;background:var(--blue);color:#fff;display:flex;
  align-items:center;justify-content:center;flex-shrink:0;transition:background var(--tr),transform var(--tr);
}
.composer button:hover{background:var(--blue-bright);transform:translateY(-1px)}
.grounding{font-size:11px;color:var(--faint);display:flex;align-items:center;gap:7px;padding:8px 0 2px}
.grounding i{width:6px;height:6px;border-radius:50%;background:var(--ai);flex-shrink:0}

/* AI FAB + panel */
.ai-fab{
  position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;gap:9px;
  background:linear-gradient(135deg,var(--blue),#1D4ED8);color:#fff;font-weight:700;font-size:13.5px;
  padding:13px 19px;border-radius:16px;box-shadow:0 12px 34px rgba(37,99,235,.5);
  transition:transform var(--tr),box-shadow var(--tr);
}
.ai-fab::after{content:"";position:absolute;inset:0;border-radius:16px;background:inherit;z-index:-1;animation:fabPulse 2.6s infinite}
@keyframes fabPulse{0%{opacity:.55;transform:scale(1)}70%{opacity:0;transform:scale(1.35)}100%{opacity:0;transform:scale(1.35)}}
.ai-fab:hover{transform:translateY(-2px);box-shadow:0 16px 44px rgba(37,99,235,.6)}
.ai-panel{
  position:fixed;right:22px;bottom:22px;z-index:95;width:min(420px,calc(100vw - 32px));
  height:min(600px,calc(100vh - 80px));background:var(--ws-panel);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--sh-3);display:flex;flex-direction:column;overflow:hidden;
  opacity:0;transform:translateY(18px) scale(.98);pointer-events:none;
  transition:opacity .25s var(--ease-pop),transform .25s var(--ease-pop);
}
.ai-panel.open{opacity:1;transform:none;pointer-events:auto}
.ai-panel-head{
  display:flex;align-items:center;gap:11px;padding:15px 17px;
  background:linear-gradient(135deg,rgba(37,99,235,.25),rgba(129,140,248,.12));border-bottom:1px solid var(--line-2);
}
.ai-panel-head .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(52,211,153,.5);animation:pdPulse2 2.4s infinite}
@keyframes pdPulse2{70%{box-shadow:0 0 0 7px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.ai-panel-head b{color:var(--ink);font-size:14.5px}
.ai-panel-head span{font-size:11px;color:var(--muted)}
.ai-panel-head .modal-close{margin-left:auto}
.ai-panel-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:11px}
.ai-panel-foot{padding:11px 14px;border-top:1px solid var(--line-2)}
.ai-panel .msg{max-width:88%;font-size:13px}
.ai-panel .composer{padding-top:0;border-top:none}
.ai-panel .composer input{padding:10px 14px;font-size:13px}
.ai-panel .composer button{width:40px;height:40px}

/* drawer */
.ws-drawer-scrim{
  position:fixed;inset:0;z-index:110;background:rgba(2,6,23,.55);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.ws-drawer-scrim.open{opacity:1;pointer-events:auto}
.ws-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:115;width:min(560px,94vw);
  background:var(--ws-panel);border-left:1px solid var(--line);box-shadow:var(--sh-3);
  transform:translateX(105%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
}
.ws-drawer.open{transform:none}
.ws-drawer-head{padding:20px 22px 14px;border-bottom:1px solid var(--line-2);display:flex;align-items:flex-start;gap:13px}
.ws-drawer-head .dh-ic{width:40px;height:40px;border-radius:11px;background:rgba(37,99,235,.16);color:var(--sky);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ws-drawer-head .dh-eyebrow{font-size:9.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.ws-drawer-head h2{font-size:17px;color:var(--ink);letter-spacing:-.01em;margin-top:2px}
.ws-drawer-head .modal-close{margin-left:auto;flex-shrink:0}
.ws-drawer-body{flex:1;overflow-y:auto;padding:18px 22px 30px}

/* doc viewer */
.doc-page{
  background:#F8FAFC;color:#1E293B;border-radius:10px;padding:34px 38px;min-height:420px;
  font-size:var(--doc-fs,13.5px);line-height:1.7;box-shadow:inset 0 0 0 1px rgba(2,6,23,.08);
}
.doc-page h2{color:#0F172A;font-size:1.5em;margin-bottom:.7em;letter-spacing:-.02em}
.doc-page h3{color:#0F172A;font-size:1.12em;margin:1.2em 0 .45em}
.doc-page p{margin-bottom:.85em}
.doc-page ul{margin:0 0 .9em 1.2em}
.doc-page li{margin-bottom:.35em}
.doc-page mark{background:#FDE68A;border-radius:3px;padding:0 2px}
.doc-page .doc-meta{font-size:.82em;color:#64748B;border-bottom:1px solid #E2E8F0;padding-bottom:10px;margin-bottom:18px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.doc-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.doc-toolbar .tbtn{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--ink-2);
  border:1px solid var(--line);border-radius:8px;padding:7px 11px;background:rgba(148,163,184,.06);
  transition:border-color var(--tr),color var(--tr);
}
.doc-toolbar .tbtn:hover{border-color:var(--sky);color:var(--sky)}
.doc-toolbar .spacer{flex:1}
.doc-search{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:8px;padding:0 10px;background:rgba(148,163,184,.06)}
.doc-search input{background:none;border:none;outline:none;color:var(--ink);font-size:12.5px;padding:7px 0;width:130px}
.doc-pagenav{display:flex;align-items:center;gap:10px;justify-content:center;padding-top:12px;font-size:12.5px;color:var(--muted)}
.doc-pagenav button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);color:var(--ink-2);display:flex;align-items:center;justify-content:center}
.doc-pagenav button:disabled{opacity:.35;cursor:default}
.doc-progress{height:3px;background:rgba(148,163,184,.12);border-radius:2px;overflow:hidden;margin-top:10px;display:none}
.doc-progress.show{display:block}
.doc-progress i{display:block;height:100%;width:0;background:var(--sky);transition:width 1.1s cubic-bezier(.4,0,.2,1)}

/* FAQ */
.faq-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.faq-search{flex:1;min-width:220px;display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:10px;padding:0 13px;background:rgba(148,163,184,.06)}
.faq-search input{flex:1;background:none;border:none;outline:none;color:var(--ink);font-size:13.5px;padding:11px 0}
.fchip{
  font-size:12px;font-weight:650;color:var(--muted);border:1px solid var(--line);border-radius:20px;
  padding:7px 14px;cursor:pointer;transition:all var(--tr);background:rgba(148,163,184,.05);white-space:nowrap;
}
.fchip:hover{color:var(--ink-2);border-color:var(--line-strong)}
.fchip.on{color:#fff;background:var(--blue);border-color:var(--blue)}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--ws-panel);margin-bottom:10px;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;gap:12px;padding:15px 18px;text-align:left;color:var(--ink);font-weight:600;font-size:14px}
.faq-q .cat{font-size:9.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--sky);background:rgba(56,189,248,.1);padding:2px 8px;border-radius:4px;flex-shrink:0}
.faq-q .car{margin-left:auto;color:var(--faint);transition:transform var(--tr-slow);flex-shrink:0}
.faq-item.open .faq-q .car{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.4,0,.2,1)}
.faq-a-inner{padding:0 18px 16px;color:var(--muted);font-size:13.5px;line-height:1.65}
.faq-a-inner .faq-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.faq-a-inner .faq-actions button,.faq-a-inner .faq-actions a{
  font-size:11.5px;font-weight:650;color:var(--ink-2);border:1px solid var(--line);border-radius:7px;
  padding:5px 11px;background:rgba(148,163,184,.05);cursor:pointer;text-decoration:none;
}
.faq-a-inner .faq-actions button:hover,.faq-a-inner .faq-actions a:hover{border-color:var(--sky);color:var(--sky)}
.faq-rel{margin-top:12px;font-size:12px;color:var(--faint)}
.faq-rel button{color:var(--sky);font-size:12px;font-weight:600;text-decoration:underline;text-underline-offset:2px;padding:0 2px}

/* integrations */
.int-tile{
  display:flex;align-items:flex-start;gap:12px;background:var(--ws-panel);border:1px solid var(--line);
  border-radius:12px;padding:14px 15px;cursor:pointer;transition:transform var(--tr),border-color var(--tr);
  text-align:left;width:100%;
}
.int-tile:hover{transform:translateY(-2px);border-color:rgba(59,130,246,.5)}
.int-tile .mg{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;flex-shrink:0}
.int-tile b{color:var(--ink);font-size:13.5px;display:block}
.int-tile span{color:var(--muted);font-size:11.5px;display:block;margin-top:2px}

/* timeline bar (deployment) */
.dep-bar{display:flex;height:34px;border-radius:9px;overflow:hidden;border:1px solid var(--line)}
.dep-bar span{
  display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;
  white-space:nowrap;overflow:hidden;transition:width .6s cubic-bezier(.4,0,.2,1);
}

/* tour spotlight */
.tour-spot{
  position:fixed;z-index:130;border-radius:14px;pointer-events:none;
  box-shadow:0 0 0 9999px rgba(4,10,24,.72),0 0 0 2px var(--sky);
  transition:all .4s cubic-bezier(.4,0,.2,1);
}
.tour-card{
  position:fixed;z-index:131;width:min(330px,calc(100vw - 32px));background:var(--ws-panel-2);
  border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--sh-3);
  animation:popUp .2s ease-out;
}
.tour-card b{color:var(--ink);font-size:15px;display:block;margin-bottom:6px}
.tour-card p{font-size:13px;color:var(--muted);margin-bottom:14px}
.tour-card .tc-foot{display:flex;align-items:center;gap:8px}
.tour-card .tc-step{font-size:11px;color:var(--faint);font-family:var(--mono)}
.tour-card .tc-foot .btn-sm{margin-left:auto}

/* welcome overlay */
.ws-welcome{
  position:fixed;inset:0;z-index:150;background:rgba(4,10,24,.8);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.ws-welcome-card{
  width:min(560px,100%);background:linear-gradient(180deg,var(--ws-panel-2),var(--ws-panel));
  border:1px solid rgba(59,130,246,.35);border-radius:20px;padding:36px;box-shadow:var(--glow);
  animation:modalUp .35s var(--ease-pop);text-align:center;
}
.ws-welcome-card img{height:44px;margin:0 auto 20px}
.ws-welcome-card h2{font-size:23px;margin-bottom:10px;letter-spacing:-.02em}
.ws-welcome-card p{color:var(--muted);font-size:14.5px;margin-bottom:26px}
.ws-welcome-card .wc-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* loading screen */
.ws-boot{
  position:fixed;inset:0;z-index:170;background:var(--bg);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:22px;transition:opacity .5s,visibility .5s;
}
.ws-boot.done{opacity:0;visibility:hidden}
.ws-boot img{height:52px;animation:bootPulse 1.6s ease-in-out infinite}
@keyframes bootPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.04)}}
.ws-boot .bl{font-size:12.5px;color:var(--muted);min-height:18px}
.ws-boot .bb{width:220px;height:3px;border-radius:3px;background:rgba(148,163,184,.15);overflow:hidden}
.ws-boot .bb i{display:block;height:100%;width:0;background:var(--blue-bright);transition:width .24s ease}

/* misc */
.wnote{font-size:12px;color:var(--faint);border:1px dashed var(--line);border-radius:9px;padding:10px 13px;background:rgba(148,163,184,.04)}
.linkish{color:var(--sky);cursor:pointer;font-weight:600}
.linkish:hover{text-decoration:underline}
.dl-list{display:flex;flex-direction:column;gap:8px}
.dl-row{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--ws-panel);cursor:pointer;transition:border-color var(--tr);text-align:left;width:100%}
.dl-row:hover{border-color:rgba(59,130,246,.5)}
.dl-row .di{width:32px;height:32px;border-radius:8px;background:rgba(56,189,248,.1);color:var(--sky);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dl-row b{color:var(--ink);font-size:13px;display:block}
.dl-row span{color:var(--faint);font-size:11px}
.dl-row .meta{margin-left:auto;text-align:right;flex-shrink:0}

/* responsive */
@media (max-width:1100px){
  .wg4{grid-template-columns:repeat(2,1fr)}
  .wg3{grid-template-columns:repeat(2,1fr)}
  .wg-2-1,.wg-1-2{grid-template-columns:1fr}
}
@media (max-width:920px){
  #app{grid-template-columns:0 1fr;grid-template-areas:"top top" "main main"}
  .ws-brand{display:none}
  .ws-menu-btn{display:flex}
  .ws-nav{
    position:fixed;left:0;top:0;bottom:0;width:min(300px,84vw);z-index:120;
    transform:translateX(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
    padding-top:18px;
  }
  .ws-nav.open{transform:none;box-shadow:var(--sh-3)}
  .ws-nav-scrim{position:fixed;inset:0;z-index:118;background:rgba(2,6,23,.55);opacity:0;pointer-events:none;transition:opacity .25s}
  .ws-nav-scrim.open{opacity:1;pointer-events:auto}
  .ws-search{flex:1}
  .ws-exit span{display:none}
  .ws-demo-pill{display:none}
  .ws-view{padding:18px 16px 130px}
  .chat-shell{height:calc(100vh - var(--top-h) - 210px)}
}
@media (max-width:640px){
  .wg2,.wg3,.wg4{grid-template-columns:1fr}
  .stg{min-width:112px}
  .msg{max-width:92%}
  .ai-panel{right:8px;bottom:8px;width:calc(100vw - 16px);height:min(560px,calc(100vh - 40px))}
  .ws-page-head h1{font-size:19px}
  .doc-page{padding:22px 18px}
}
@media (prefers-reduced-motion:reduce){
  .ws-view{animation:none}
  .ai-fab::after{animation:none}
}