:root{
  --bg:#f3f5fa; --card:#ffffff; --ink:#1b2233; --ink-2:#3b4458; --muted:#6b7488; --line:#e7eaf2; --line-2:#f0f2f7;
  --red:#e5262a; --red-ink:#c11c20; --red-soft:#ffedec;
  --c-blue:#4f7cff; --c-violet:#8b5cf6; --c-pink:#f45b9a; --c-orange:#ff8a3d; --c-yellow:#f5b91f; --c-green:#22b893; --c-sky:#38bdf8;
  --t-blue:#eaf1ff; --t-violet:#f1ecff; --t-pink:#ffe9f2; --t-orange:#fff0e3; --t-yellow:#fff6d9; --t-green:#e3f8f1; --t-sky:#e4f6ff;
  --ok:#14866a; --bad:#c11c20;
  --r-lg:20px; --r-md:14px; --r-sm:10px;
  --shadow:0 1px 2px rgba(27,34,51,.04), 0 8px 24px rgba(27,34,51,.06);
  --shadow-lg:0 2px 4px rgba(27,34,51,.05), 0 18px 48px rgba(27,34,51,.12);
  --font:'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono:ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --side:268px;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--font);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--c-blue);outline-offset:2px}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.2}
a{color:var(--red-ink)}
svg.ic{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;background:var(--red);color:#fff;border:0;border-radius:var(--r-md);padding:11px 18px;transition:background .15s, transform .15s, box-shadow .15s;box-shadow:0 6px 16px rgba(229,38,42,.22)}
.btn:hover{background:var(--red-ink)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:default;box-shadow:none}
.btn.soft{background:var(--card);color:var(--ink);border:1px solid var(--line);box-shadow:none;font-weight:600}
.btn.soft:hover{background:var(--line-2)}
.btn.sm{padding:7px 12px;border-radius:var(--r-sm);font-size:.87rem}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--line-2);color:var(--ink-2)}
.pill.blue{background:var(--t-blue);color:#2b4fc4}.pill.violet{background:var(--t-violet);color:#5b34c4}.pill.pink{background:var(--t-pink);color:#b9306b}
.pill.orange{background:var(--t-orange);color:#b4540f}.pill.yellow{background:var(--t-yellow);color:#8a6400}.pill.green{background:var(--t-green);color:#0e6f58}.pill.sky{background:var(--t-sky);color:#0b6c9c}
.pill.red{background:var(--red-soft);color:var(--red-ink)}
.small{font-size:.86rem;color:var(--muted)}
.err{color:var(--bad);font-size:.9rem;min-height:1.3em;margin-top:10px}
.card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:22px}
label.f{display:block;font-size:.82rem;font-weight:600;color:var(--ink-2);margin:14px 0 6px}
input.f,select.f,textarea.f{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;transition:border-color .15s, box-shadow .15s}
input.f:focus,select.f:focus,textarea.f:focus{outline:0;border-color:var(--c-blue);box-shadow:0 0 0 4px var(--t-blue)}

/* cover (sign in) */
#cover{min-height:100%;display:grid;place-items:center;padding:24px 16px;background:
  radial-gradient(900px 500px at 12% -10%, var(--t-pink), transparent 60%),
  radial-gradient(800px 520px at 100% 0%, var(--t-blue), transparent 60%),
  radial-gradient(700px 520px at 50% 115%, var(--t-yellow), transparent 60%), var(--bg)}
.cover-box{width:100%;max-width:400px}
.cover-brand{display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:22px}
.cover-brand .m{width:92px;height:auto}.cover-brand .w{width:180px;height:auto}
.cover-box .card{padding:26px}
.cover-box h1{font-size:1.25rem;margin-bottom:4px}
.cover-sw{display:block;width:56px;height:auto;margin:22px auto 0;opacity:.9}
.qr{display:block;width:190px;height:190px;margin:14px auto;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;padding:8px}
.steps{margin:10px 0 0;padding-left:1.2em;color:var(--ink-2);font-size:.92rem}
.steps li{margin:4px 0}
.secret{font-family:var(--mono);font-size:.82rem;background:var(--line-2);padding:6px 10px;border-radius:8px;word-break:break-all;display:inline-block;margin-top:4px}
input.code{letter-spacing:.5em;text-align:center;font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums;padding-left:.5em}
.linkbtn{background:none;border:0;padding:0;color:var(--muted);text-decoration:underline;text-underline-offset:3px;font-size:.86rem}

/* shell */
#shell{display:grid;grid-template-columns:var(--side) minmax(0,1fr);min-height:100%}
.side{position:sticky;top:0;height:100vh;height:100dvh;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:20px 14px 14px;gap:6px;z-index:30}
.side .brand{display:flex;align-items:center;gap:10px;padding:2px 8px 14px}
.side .brand .m{width:44px;height:auto}.side .brand .w{width:104px;height:auto}
.side .new{margin:0 4px 10px}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{display:flex;align-items:center;gap:12px;width:100%;background:none;border:0;border-radius:12px;padding:10px 12px;font-weight:600;color:var(--ink-2);text-align:left;transition:background .15s,color .15s}
.nav button:hover{background:var(--line-2)}
.nav button[aria-current="page"]{background:var(--red-soft);color:var(--red-ink)}
.side h3{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin:16px 12px 6px}
.recent{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:1px}
.recent button{background:none;border:0;border-radius:10px;padding:7px 12px;text-align:left;font-size:.86rem;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:none}
.recent button:hover{background:var(--line-2)}
.recent .none{padding:4px 12px;font-size:.84rem;color:var(--muted)}
.sidefoot{border-top:1px solid var(--line);padding:12px 10px 0;display:flex;align-items:center;gap:10px}
.sidefoot img{width:46px;height:auto;flex:none}
.sidefoot div{font-size:.76rem;color:var(--muted);line-height:1.35;min-width:0}
.sidefoot b{display:block;color:var(--ink-2);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
main{min-width:0;display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}
.topbar{display:none;align-items:center;gap:10px;padding:10px max(14px,env(safe-area-inset-left,0px));background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .m{width:34px}.topbar .w{width:84px}
.iconbtn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink-2)}
.iconbtn:hover{background:var(--line-2)}
.scrim{display:none}
.pane{width:100%;max-width:920px;margin:0 auto;padding:28px 24px 40px;flex:1;display:flex;flex-direction:column}
.pane > h1{font-size:1.5rem;margin-bottom:4px}
.pane > .sub{color:var(--muted);margin:0 0 18px}

/* ask */
#paneAsk{padding-bottom:0}
#paneAsk.empty{justify-content:center;padding-bottom:8vh}
.hero{text-align:center;margin-bottom:22px}
.hero .hi{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--muted);margin-bottom:8px}
.hero h1{font-size:clamp(1.7rem,4.6vw,2.4rem);font-weight:800}
.hero .srcs{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:14px}
.composer{position:sticky;bottom:0;padding:10px 0 max(16px,env(safe-area-inset-bottom,0px));background:linear-gradient(transparent,var(--bg) 28%);margin-top:auto}
#paneAsk.empty .composer{position:static;background:none;margin-top:0;padding:0}
.askbox{display:flex;align-items:flex-end;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:8px 8px 8px 18px;box-shadow:var(--shadow-lg);transition:border-color .15s, box-shadow .15s}
.askbox:focus-within{border-color:var(--c-blue);box-shadow:0 0 0 4px var(--t-blue), var(--shadow-lg)}
.askbox textarea{flex:1;border:0;outline:0;resize:none;background:none;padding:10px 0;min-height:44px;max-height:170px;line-height:1.5}
.askbox .btn{border-radius:16px;padding:11px 16px}
.chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:10px;margin-top:20px}
.chips button{display:flex;gap:10px;align-items:flex-start;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 14px;font-size:.9rem;color:var(--ink-2);transition:transform .15s, box-shadow .15s, border-color .15s}
.chips button:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:transparent}
.chips .dot{flex:none;width:28px;height:28px;border-radius:10px;display:grid;place-items:center}
.chips .dot svg{width:15px;height:15px}
.thread{display:flex;flex-direction:column;gap:14px;padding-bottom:18px}
.q{align-self:flex-end;max-width:86%;background:var(--ink);color:#fff;padding:10px 16px;border-radius:18px 18px 6px 18px;font-weight:500;scroll-margin-top:80px}
.a{background:var(--card);border-radius:6px var(--r-lg) var(--r-lg) var(--r-lg);box-shadow:var(--shadow);padding:20px 22px;min-width:0;animation:rise .35s ease both}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.thinking{display:inline-flex;align-items:center;gap:10px;color:var(--muted);font-weight:500}
.thinking img{width:34px;height:auto;animation:bob 1.1s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-5px) rotate(3deg)}}
.dots::after{content:'';animation:dots 1.2s steps(4) infinite}
@keyframes dots{0%{content:''}25%{content:'.'}50%{content:'..'}75%{content:'...'}}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:16px}
.kpi{border-radius:16px;padding:14px 16px;animation:rise .4s ease both}
.kpi:nth-child(4n+1){background:var(--t-blue)}.kpi:nth-child(4n+2){background:var(--t-violet)}.kpi:nth-child(4n+3){background:var(--t-orange)}.kpi:nth-child(4n+4){background:var(--t-green)}
.kpi:nth-child(2){animation-delay:.06s}.kpi:nth-child(3){animation-delay:.12s}.kpi:nth-child(4){animation-delay:.18s}
.kpi .l{font-size:.78rem;font-weight:600;color:var(--ink-2)}
.kpi .v{font-size:1.55rem;font-weight:800;letter-spacing:-.02em;line-height:1.2;margin-top:2px;font-variant-numeric:tabular-nums}
.kpi .n{font-size:.78rem;color:var(--ink-2);margin-top:2px}

.md{overflow-wrap:anywhere}
.md p{margin:.5em 0}
.md > :first-child{margin-top:0}
.md ul,.md ol{margin:.5em 0;padding-left:1.25em}
.md li{margin:.2em 0}
.md em{color:var(--muted)}
.md h1,.md h2,.md h3{font-size:1.05rem;margin:1em 0 .3em}
.tablebox{overflow-x:auto;margin:.8em 0;border:1px solid var(--line);border-radius:var(--r-md)}
.md table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:.9rem}
.md th,.md td{padding:9px 14px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line-2)}
.md th{font-weight:700;font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:#f8f9fc}
.md tr:last-child td{border-bottom:0}
.md tbody tr:hover td{background:#fafbfe}
.md td:not(:first-child),.md th:not(:first-child){text-align:right}

.chartcard{border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 16px 12px;margin-top:14px}
.chartcard .head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.chartcard .head b{font-size:.98rem}
.chartcard .box{position:relative;height:300px}
.chartcard.donut .box{height:280px}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2)}
.actions .lbl{font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-right:2px}
.actions .msg{font-size:.82rem;color:var(--muted)}
details.how{margin-top:12px;font-size:.86rem;color:var(--muted)}
details.how summary{cursor:pointer;width:fit-content}
details.how pre{font-family:var(--mono);font-size:.76rem;background:#f6f7fb;padding:12px;border-radius:12px;overflow-x:auto;white-space:pre-wrap;color:var(--ink-2)}
.clear-row{display:flex;justify-content:center;padding-bottom:6px}

/* examples */
.ex-grid{display:grid;gap:14px}
.ex-grid .card h2{font-size:1.05rem;display:flex;align-items:center;gap:10px}
.ex-grid .card .sub{color:var(--muted);font-size:.86rem;margin:4px 0 12px}
.ex-grid ol{margin:0;padding:0;list-style:none;display:grid;gap:4px;counter-reset:n}
.ex-grid li{counter-increment:n}
.ex-grid li button{display:grid;grid-template-columns:26px 1fr;gap:8px;width:100%;text-align:left;background:none;border:0;border-radius:12px;padding:8px 10px;color:var(--ink)}
.ex-grid li button::before{content:counter(n);font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.ex-grid li button:hover{background:var(--line-2)}
.ex-grid li .note{display:block;grid-column:2;color:var(--muted);font-size:.8rem}

/* people & access */
.people{display:grid;gap:14px}
.person .top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.avatar{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;font-weight:800;color:#fff;flex:none}
.person .who{min-width:0;flex:1}
.person .who b{display:block;font-size:1.02rem}
.person .who span{color:var(--muted);font-size:.84rem;overflow-wrap:anywhere}
.person.off{opacity:.62}
.swgroup{margin-top:14px}
.swgroup h4{margin:0 0 8px;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.switches{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}
.sw{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:14px;cursor:pointer;transition:background .15s,border-color .15s;min-width:0}
.sw:hover{background:#fafbfe}
.sw input{position:absolute;opacity:0;pointer-events:none}
.sw .track{flex:none;width:38px;height:22px;border-radius:999px;background:#d5d9e4;position:relative;transition:background .2s}
.sw .track::after{content:'';position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s}
.sw input:checked + .track{background:var(--c-green)}
.sw input:checked + .track::after{transform:translateX(16px)}
.sw input:focus-visible + .track{outline:2px solid var(--c-blue);outline-offset:2px}
.sw input:disabled + .track{opacity:.5}
.sw .t{min-width:0}
.sw .t b{display:block;font-size:.9rem;font-weight:600}
.sw .t span{display:block;font-size:.76rem;color:var(--muted);line-height:1.3}
.sw.on{border-color:#bfe9dc;background:#f4fcf9}
.person .foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line-2);align-items:center}
.addform{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end}
.addform label.f{margin-top:0}
dialog{border:0;border-radius:var(--r-lg);padding:26px;max-width:420px;width:calc(100% - 32px);box-shadow:var(--shadow-lg);color:var(--ink)}
dialog::backdrop{background:rgba(27,34,51,.45)}
dialog h2{font-size:1.15rem;margin-bottom:6px}
.pw{font-family:var(--mono);font-size:1.15rem;font-weight:700;background:var(--t-yellow);padding:12px 14px;border-radius:12px;text-align:center;margin:14px 0;user-select:all}

/* items review */
.review{width:100%;border-collapse:collapse;font-size:.9rem}
.review td,.review th{border-bottom:1px solid var(--line-2);padding:8px 6px;vertical-align:top;text-align:left}
.review input,.review select{padding:7px 9px;font-size:.88rem;border:1px solid var(--line);border-radius:10px;width:100%;min-width:110px}
.reviewbox{overflow-x:auto}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* export sheet (rendered off-screen for PDF) */
#pdfStage{position:fixed;left:-10000px;top:0;width:760px;background:#fff;color:var(--ink);padding:36px 40px;font:14px/1.55 var(--font)}
#pdfStage .phead{display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--red);padding-bottom:14px;margin-bottom:18px}
#pdfStage .phead img.w{height:34px}#pdfStage .phead img.s{height:30px}
#pdfStage .pq{font-size:1.2rem;font-weight:800;margin:0 0 4px}
#pdfStage .pmeta{color:var(--muted);font-size:.8rem;margin-bottom:16px}
#pdfStage .a{box-shadow:none;padding:0;animation:none;border-radius:0}
#pdfStage .kpi{animation:none}
#pdfStage .kpi .v,#pdfStage .pq{letter-spacing:0}
#pdfStage .md th,#pdfStage .md td{white-space:normal}
#pdfStage .pfoot{margin-top:22px;padding-top:10px;border-top:1px solid var(--line);color:var(--muted);font-size:.74rem}

@media (max-width:900px){
  #shell{grid-template-columns:minmax(0,1fr)}
  .side{position:fixed;left:0;top:0;bottom:0;width:min(86vw,300px);transform:translateX(-102%);transition:transform .22s ease;box-shadow:var(--shadow-lg)}
  body.menu .side{transform:none}
  body.menu .scrim{display:block;position:fixed;inset:0;background:rgba(27,34,51,.4);z-index:25}
  .topbar{display:flex}
  .pane{padding:18px 16px 28px}
  #paneAsk{padding-bottom:0}
  .q{max-width:94%}
  .a{padding:16px}
  .chartcard .box{height:260px}
  .addform{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .dots::after{content:'...'}
}