:root{--navy:#0b1a33;--navy2:#13264a;--ink:#0f1b2d;--muted:#5b6b82;--line:#e3e8ef;--bg:#f4f6fa;--card:#fff;--accent:#2f6bff;--accent-d:#1f4fd1;--green:#14a37f;--amber:#d99a1c;--red:#e5484d;--r:12px;--sh:0 1px 2px rgba(15,27,45,.05),0 4px 16px rgba(15,27,45,.06);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.5;-webkit-font-smoothing:antialiased}
body.noscroll{overflow:hidden}h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em}h4{font-size:13.5px;margin:14px 0 6px}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}
.ic{flex:none;vertical-align:-3px}.muted{color:var(--muted)}.sm{font-size:12.5px}.center{text-align:center}.mono{font-family:'JetBrains Mono',monospace}.row{display:flex;align-items:center}.gap{gap:10px}.wrap{flex-wrap:wrap}.between{justify-content:space-between}.end{justify-content:flex-end}.w{width:100%}
.grid-bg{background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:36px 36px}
/* buttons / chips */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:9px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:13.5px;transition:.15s;white-space:nowrap}.btn:hover{border-color:#c5cedb;transform:translateY(-1px);box-shadow:var(--sh)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-d)}.btn.sm{padding:6px 10px;font-size:12.5px}.btn.lg{padding:13px 24px;font-size:15px}.btn.on{background:#eaf0ff;border-color:#b9cbff;color:var(--accent-d)}.btn.ghost{background:transparent;border-color:transparent;color:#cfd9ee}.btn.ghost-l{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.25)}
.icon-btn{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;border:0;background:transparent;position:relative;color:inherit}.icon-btn:hover{background:rgba(120,140,180,.18)}
.link{background:none;border:0;padding:0;color:var(--accent);font-weight:600;font-size:inherit;text-align:left}.link:hover{text-decoration:underline}
.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.chips.c{justify-content:center}
.chip{display:inline-flex;align-items:center;gap:5px;padding:5px 11px;border-radius:99px;border:1px solid var(--line);background:#fff;font-size:12.5px;font-weight:500;transition:.15s}button.chip:hover,a.chip:hover{border-color:var(--accent);color:var(--accent)}.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}.chip.sm{padding:2px 8px;font-size:11.5px;font-weight:600}
.chip.g{background:#e6f7f1;border-color:#bfe9dc;color:#0b7a5d}.chip.y{background:#fff6e0;border-color:#f3dfaa;color:#946a08}.chip.r{background:#fdeceb;border-color:#f5c4c6;color:#b3292e}.chip.b{background:#eaf0ff;border-color:#c3d3ff;color:var(--accent-d)}
.apill{display:inline-block;padding:3px 10px;border-radius:7px;font-size:12px;font-weight:700;color:var(--ac);background:color-mix(in srgb,var(--ac) 12%,#fff);border:1px solid color-mix(in srgb,var(--ac) 30%,#fff)}
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:6px;font-size:11.5px;font-weight:700;letter-spacing:.01em;vertical-align:middle}.badge.official{background:#e6f7f1;color:#0b7a5d}.badge.ai{background:#f1ecff;color:#5b3fd1}.badge.rec{background:#fff3e0;color:#a35d00}
/* shell */
.demo-bar{background:#fff6e0;color:#7a5604;text-align:center;font-size:12px;padding:5px 12px;border-bottom:1px solid #f3dfaa}
.top{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;padding:0 24px;height:60px;background:var(--navy);color:#fff}
.lg-t{display:flex;flex-direction:column;line-height:1.1}.lg-t small{font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:#6f9bff;font-weight:700;margin-top:3px}.credit{font-size:13px;margin:0 0 6px}.credit b{color:var(--accent)}.lfoot .credit b{color:#8fb0ff}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;letter-spacing:-.02em}
.nav{display:flex;gap:2px;flex:1;overflow:auto;scrollbar-width:none}.nav a{padding:8px 11px;border-radius:8px;color:#b5c2dc;font-weight:500;font-size:13.5px;white-space:nowrap;transition:.15s}.nav a:hover{color:#fff;background:rgba(255,255,255,.08)}.nav a.on{color:#fff;background:rgba(47,107,255,.35)}
.top-r{display:flex;align-items:center;gap:6px}.top .btn{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#fff}.ai-btn{background:var(--accent)!important;border-color:var(--accent)!important}
.avatar{width:34px;height:34px;border-radius:50%;border:0;background:linear-gradient(135deg,#2f6bff,#12b5cb);color:#fff;font-weight:700}.ping{position:absolute;top:8px;right:9px;width:7px;height:7px;border-radius:50%;background:var(--red)}.burger{display:none}
#pop{position:absolute;right:20px;top:56px}.popbox{width:290px;background:#fff;color:var(--ink);border-radius:12px;box-shadow:0 12px 40px rgba(11,26,51,.25);padding:14px;display:flex;flex-direction:column;gap:2px}.popbox h4{margin:0 0 6px}.popbox a,.popbox .link{padding:8px;border-radius:8px;display:flex;flex-direction:column;font-size:13px}.popbox a:hover{background:var(--bg)}.popbox a span{font-size:12px;color:var(--muted);font-weight:400}
.main{max-width:1280px;margin:0 auto;padding:26px 24px 40px;min-height:70vh}.foot{border-top:1px solid var(--line);padding:18px 24px;text-align:center;color:var(--muted);font-size:12px}
.page-h{margin-bottom:18px}.page-h h2{font-size:24px;display:flex;gap:8px;align-items:center}.page-h p{margin:6px 0 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh);margin-bottom:16px}.card-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.card-h h3{font-size:15px;display:flex;align-items:center;gap:7px}
.pad{padding:26px}.list{list-style:none;margin:0;padding:0}.list li{padding:7px 0;border-bottom:1px solid var(--line)}.list li:last-child{border:0}.list a,.list .link{display:flex;gap:8px;align-items:center}
/* hero / search */
.hero-s{background-color:var(--navy);border-radius:18px;color:#fff;padding:44px 32px 30px;margin-bottom:20px;position:relative;overflow:hidden}.hero-s::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;background:radial-gradient(circle,rgba(47,107,255,.5),transparent 65%)}
.hero-in{position:relative;z-index:1;max-width:840px;margin:0 auto}.hero-s h1{font-size:34px;letter-spacing:-.025em}.eyebrow{color:#8fb0ff;font-weight:600;margin:0 0 8px}.sub{color:#b5c2dc;margin:10px 0 22px;font-size:15.5px}.hero-s .chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15);color:#dce6fb}.hero-s .chip.on{background:var(--accent)}.hero-s .try{margin-top:14px}.hero-filters{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:16px}.hero-filters .link{color:#8fb0ff}
.sbox{position:relative;display:flex;align-items:center;gap:10px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:6px 6px 6px 14px;box-shadow:var(--sh);margin-bottom:18px}.sbox:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(47,107,255,.15)}.sbox input{flex:1;border:0;outline:0;font:inherit;font-size:15px;padding:9px 4px;min-width:0;background:transparent}.sbox.big{padding:8px 8px 8px 18px;border-radius:16px;margin-bottom:0}.sbox.big input{font-size:17px;padding:12px 6px}.sbox kbd{border:1px solid var(--line);border-radius:5px;padding:1px 7px;color:var(--muted);font-size:12px}
.suggest{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(11,26,51,.18);z-index:30;padding:6px;text-align:left}.suggest[hidden]{display:none}.suggest button{display:flex;gap:9px;align-items:center;width:100%;border:0;background:none;padding:9px 10px;border-radius:8px;color:var(--ink)}.suggest button:hover{background:var(--bg)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stats.s3{grid-template-columns:repeat(3,1fr)}.stat{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--sh)}.stat .ic{color:var(--accent)}.stat b{display:block;font-size:22px;letter-spacing:-.02em}.stat span{color:var(--muted);font-size:12.5px}.stat.add b{color:var(--green)}.stat.mod b{color:var(--amber)}.stat.rem b{color:var(--red)}.s3 .stat{flex-direction:column;align-items:flex-start;gap:0}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.span2{grid-column:span 2}.span3{grid-column:span 3}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.tile{display:flex;gap:9px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:10px;font-weight:600;font-size:13px;transition:.15s}.tile:hover{border-color:var(--accent);background:#f3f7ff;transform:translateY(-2px)}.tile .ic{color:var(--accent)}
.ai-card{background:linear-gradient(135deg,#13264a,#0b1a33);color:#e4ecff;border:0}.ai-card h3,.ai-card h4{color:#fff}.ai-card .muted{color:#9fb3d1}
.prow{display:block;padding:10px 0;border-bottom:1px solid var(--line)}.prow:last-child{border:0}.prow b{display:block}.bar{height:5px;background:var(--line);border-radius:9px;margin-top:8px;overflow:hidden}.bar u{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#12b5cb);border-radius:9px}
.feed{list-style:none;margin:0;padding:0}.feed li{display:flex;gap:10px;padding:8px 0}.feed b{display:block;font-size:13px}.feed span{font-size:12px;color:var(--muted)}.dot{width:8px;height:8px;border-radius:50%;margin-top:7px;flex:none}.dot.g{background:var(--green)}.dot.y{background:var(--amber)}.dot.b{background:var(--accent)}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.qa{display:flex;gap:12px;padding:14px;border:1px solid var(--line);border-radius:10px;transition:.15s}.qa:hover{border-color:var(--accent);background:#f3f7ff}.qa .ic{color:var(--accent);margin-top:2px}.qa b{display:block;font-size:13.5px}.qa span{font-size:12px;color:var(--muted)}
/* search layout */
.split{display:grid;grid-template-columns:270px 1fr;gap:20px;align-items:start}.split.p{grid-template-columns:260px 1fr}.side{position:sticky;top:76px;display:flex;flex-direction:column;gap:12px}
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px}.fgroup h4,.filters summary{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;cursor:pointer}.filters details{border-top:1px solid var(--line);padding-top:10px;margin-top:10px}.filters .chip{font-size:12px;padding:4px 9px}
.res-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px}.note{background:#eef4ff;border:1px solid #cfdcff;color:#244aa8;border-radius:9px;padding:8px 12px;margin-bottom:12px;font-size:13px}
.empty{text-align:center;padding:40px 20px;background:#fff;border:1px dashed #cdd6e4;border-radius:var(--r)}.empty h3{margin-bottom:6px}.empty .chips{justify-content:center;margin-top:14px}
.notfound{display:flex;gap:14px;background:#fff8ec;border:1px solid #f3dfaa;border-radius:var(--r);padding:20px;color:#7a5604}.notfound h3{font-size:16px;color:#5f4303}
.rc{background:#fff;border:1px solid var(--line);border-left:4px solid var(--ac);border-radius:var(--r);box-shadow:var(--sh);padding:16px 18px;margin-bottom:14px;transition:.2s}.rc:hover{box-shadow:0 8px 28px rgba(15,27,45,.1);transform:translateY(-1px)}
.rc-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}.rc-doc{font-weight:600}.rc-doc em{font-style:normal;color:var(--muted);font-weight:500}.rel{margin-left:auto;display:flex;align-items:center;gap:7px}.rel svg{width:34px;height:34px}.rel b{font-size:15px}.rel span{font-size:11.5px;color:var(--muted)}.rel.big{flex-direction:column;gap:0;text-align:center}.rel.big b{font-size:26px;color:var(--accent)}
.rc-body{display:grid;grid-template-columns:1fr 128px;gap:18px}.req{font-size:15.5px;font-weight:500;margin:10px 0}mark{background:#fff0a8;border-radius:3px;padding:0 2px;color:inherit}
.trace{display:flex;flex-wrap:wrap;list-style:none;margin:8px 0;padding:0;gap:4px;font-size:12px}.trace li{background:var(--bg);border:1px solid var(--line);padding:3px 9px;border-radius:6px;color:#334155;font-weight:500}.trace li+li::before{content:"→";margin-right:7px;color:#94a3b8}.trace li:first-child{background:color-mix(in srgb,var(--ac,#2f6bff) 10%,#fff);font-weight:700}
.meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}.meta span{display:inline-flex;gap:5px;align-items:center}
.thumb{position:relative;border:1px solid var(--line);border-radius:8px;padding:0;background:#fff;overflow:hidden;height:166px;align-self:start;transition:.15s}.thumb:hover{border-color:var(--accent);box-shadow:var(--sh)}.thumb svg{width:100%;display:block}.thumb span{position:absolute;inset:auto 0 0;background:rgba(11,26,51,.78);color:#fff;font-size:11.5px;padding:5px;opacity:0;transition:.15s}.thumb:hover span{opacity:1}
.rc-act{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.why{margin-top:10px;font-size:12.5px}.why summary{cursor:pointer;color:var(--muted)}.whygrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px 16px;margin:10px 0}.whygrid div{display:flex;flex-direction:column;gap:3px}.whygrid i{height:5px;background:var(--line);border-radius:9px;overflow:hidden}.whygrid u{display:block;height:100%;background:var(--accent)}
/* modal */
.overlay{position:fixed;inset:0;background:rgba(8,16,32,.62);backdrop-filter:blur(3px);z-index:100;display:grid;place-items:center;padding:16px;overflow:auto;animation:fade .15s}.modal{position:relative;background:#fff;border-radius:16px;width:min(560px,100%);max-height:94vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.4);animation:pop .2s}.modal.sm{width:min(440px,100%)}.modal.wide{width:min(1120px,100%)}.modal .close{position:absolute;right:10px;top:10px;z-index:3;background:rgba(255,255,255,.9)}
@keyframes fade{from{opacity:0}}@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}}
.srcm{display:grid;grid-template-columns:1.1fr 1fr;min-height:560px}.viewer-w{background:#e9edf4;padding:14px;display:flex;flex-direction:column;gap:8px;min-width:0}.vtools{display:flex;align-items:center;gap:6px;justify-content:center;background:#fff;border-radius:10px;padding:4px;align-self:center}.viewer{overflow:auto;max-height:640px;background:#cfd6e3;border-radius:8px;padding:12px;flex:1}.viewer-w:fullscreen .viewer{max-height:none;height:calc(100vh - 100px)}#vpage{width:calc(560px * var(--z));margin:0 auto;box-shadow:0 4px 20px rgba(0,0,0,.2);transition:width .15s}.pagesvg{width:100%;display:block;background:#fff}
.srcinfo{padding:26px 26px 20px;display:flex;flex-direction:column;gap:12px}blockquote{margin:0;border-left:3px solid var(--green);background:#f3faf7;padding:10px 14px;border-radius:0 8px 8px 0;font-weight:500}.dl{display:grid;grid-template-columns:110px 1fr;gap:6px 12px;margin:0;font-size:13px}.dl dt{color:var(--muted)}.dl dd{margin:0}
.warn{background:#fff8ec;border:1px solid #f3dfaa;color:#7a5604;padding:9px 12px;border-radius:9px;margin:12px 0 0}
label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:12.5px;margin-bottom:12px}input,select,textarea{font:inherit;font-weight:400;padding:9px 11px;border:1px solid #cdd6e4;border-radius:8px;background:#fff;color:var(--ink);width:100%}input:focus,select:focus,textarea:focus{outline:2px solid rgba(47,107,255,.35);border-color:var(--accent)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:4px 16px}
/* tables */
.tablecard{padding:0;overflow:auto}.tbl{width:100%;border-collapse:collapse;font-size:13.5px}.tbl th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:11px 14px;background:#f8fafc;border-bottom:1px solid var(--line);white-space:nowrap}.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}.tbl tr:hover td{background:#fafbfd}.tbl input,.tbl select{padding:6px 8px;min-width:70px}.tbl.res td:first-child{color:var(--muted)}td.ok b{color:#0b7a5d}td.bad b{color:var(--red)}
.authgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:18px}.auth{display:flex;flex-direction:column;gap:3px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--ac);border-radius:var(--r);padding:14px;transition:.15s}.auth:hover,.auth.on{box-shadow:var(--sh);transform:translateY(-2px)}.auth.on{border-color:var(--ac)}.auth b{font-size:17px;color:var(--ac)}.auth span{font-size:12px;color:var(--muted);min-height:34px}.auth em{font-style:normal;font-size:12px;font-weight:600}
.tabs{display:flex;gap:6px;margin-bottom:16px;overflow:auto;scrollbar-width:none;border-bottom:1px solid var(--line)}.tab{padding:9px 14px;border:0;background:none;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;display:inline-flex;gap:6px;align-items:center}.tab:hover{color:var(--ink)}.tab.on{color:var(--accent);border-color:var(--accent)}.tab b{background:var(--bg);border-radius:99px;font-size:11px;padding:1px 7px}
/* compare */
.cmp-ctl{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center;padding:12px 16px}.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px}
.cmp-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--sh);margin-bottom:14px}.cmp{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}.cmp th,.cmp td{padding:13px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top;text-align:left}.cmp thead th{background:#f8fafc;border-top:4px solid var(--ac,#e3e8ef);position:sticky;top:0}.cmp thead th:first-child{border-top-color:var(--navy)}.cmp tbody th{background:#f8fafc;position:sticky;left:0;min-width:150px;z-index:2}.cmp .stp{display:block;margin-top:6px;font-size:11.5px;font-weight:600;color:var(--muted)}.cmp td{min-width:170px;max-width:240px}
.cell .val{font-size:15px;display:block;margin-bottom:3px}.cell p{margin:0 0 4px;color:var(--muted)}.cell .src{display:block;color:#334155;font-weight:500;margin-bottom:6px}.cell .mini{display:block;width:58px;border:1px solid var(--line);border-radius:5px;padding:0;overflow:hidden;margin-bottom:6px;background:#fff}.cell .mini svg{display:block;width:100%}.cell.na{background:repeating-linear-gradient(45deg,#fafbfc,#fafbfc 8px,#f3f5f8 8px,#f3f5f8 16px);color:#94a3b8;vertical-align:middle}
.st-same .cell:not(.na){background:#f2fbf7}.st-different .cell:not(.na){background:#fffaf0}.st-conflict .cell:not(.na){background:#fff3f3;box-shadow:inset 3px 0 0 var(--red)}
/* subjects / saved / projects / tools */
.catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}.subj{display:flex;flex-wrap:wrap;gap:7px}.sj{display:inline-flex;gap:7px;align-items:center;padding:7px 12px;border:1px solid var(--line);border-radius:9px;font-weight:500;font-size:13px;transition:.15s}.sj:hover{border-color:var(--accent);background:#f3f7ff;color:var(--accent-d)}.sj b{background:var(--accent);color:#fff;border-radius:99px;font-size:10.5px;padding:0 6px}
.srow{display:flex;gap:14px;justify-content:space-between;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:4px solid var(--ac,#cbd5e1);border-radius:var(--r);padding:14px 16px;margin-bottom:10px}.srow-m p{margin:6px 0}.srow-a{display:flex;gap:6px;flex:none}
.pcard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;transition:.15s}.pcard:hover,.pcard.on{border-color:var(--accent);box-shadow:var(--sh)}.pcard span{display:flex;gap:6px;align-items:center;margin-top:5px;font-size:12px;color:var(--muted)}
.secgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.sec{margin:0}.sec h4{margin:0}.ref{display:flex;gap:8px;align-items:center;width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 9px;margin-bottom:6px;font-size:12.5px}.ref:hover{border-color:var(--accent)}.ref em{font-style:normal;color:var(--muted);margin-left:auto;white-space:nowrap}
.toollist{gap:4px}.tl{display:flex;gap:9px;align-items:center;padding:10px 12px;border-radius:9px;font-weight:500;font-size:13.5px}.tl:hover{background:#fff}.tl.on{background:#fff;box-shadow:var(--sh);color:var(--accent-d);font-weight:600}
.stdbar{background:#eef4ff;border:1px solid #cfdcff;color:#244aa8;padding:10px 14px;border-radius:9px;margin:10px 0 18px;font-size:13px}.row.gap{margin-top:10px}#toolOut{margin-top:8px}.res td{font-size:14px}
.road{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
/* AI / chat */
.chat{display:flex;flex-direction:column;gap:12px}.you{align-self:flex-end;background:var(--accent);color:#fff;padding:10px 15px;border-radius:14px 14px 3px 14px;max-width:80%;margin:14px 0 10px;margin-left:auto;width:fit-content}.ai-msg{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--sh);margin-bottom:6px;animation:pop .25s}.ai-msg h4{display:flex;gap:8px;align-items:center}.cite{color:var(--accent);font-weight:700}
.aimg{display:block;width:220px;border:1px solid var(--line);border-radius:8px;overflow:hidden;padding:0;background:#fff}.aimg:hover{border-color:var(--accent)}.aimg svg{display:block;width:100%}
.chatbox{position:sticky;bottom:12px;margin:8px 0 0}.pipe{list-style:none;padding:0;margin:8px 0 0;counter-reset:s}.pipe li{counter-increment:s;display:flex;gap:10px;align-items:center;padding:6px 0;font-size:13px;color:var(--muted);transition:.2s}.pipe li::before{content:counter(s);width:22px;height:22px;border-radius:50%;background:var(--bg);display:grid;place-items:center;font-size:11px;font-weight:700;flex:none;transition:.2s}.pipe li.done{color:var(--ink)}.pipe li.done::before{content:"✓";background:var(--green);color:#fff}
.sugg{display:block;width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 10px;margin-top:7px;font-size:12.5px}.sugg:hover{border-color:var(--accent);background:#f3f7ff}
.drop{border:2px dashed #b9c6dc;border-radius:14px;padding:32px;text-align:center;align-items:center;gap:6px;cursor:pointer;margin-bottom:16px;background:#f8fafc}.drop:hover{border-color:var(--accent);background:#f3f7ff}.drop .ic{color:var(--accent)}
.diff{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;overflow:hidden}.diff-h{display:flex;gap:10px;align-items:center;padding:11px 14px;background:#f8fafc;border-bottom:1px solid var(--line)}.diff-b{display:grid;gap:1px;background:var(--line)}.diff-b div{padding:11px 14px;background:#fff}.diff-b span{display:inline-block;font-size:11px;font-weight:700;margin-right:8px;padding:1px 7px;border-radius:5px}.old{background:#fff5f5!important}.old span{background:#fbd5d7;color:#a12328}.new{background:#f2fbf7!important}.new span{background:#c7eadd;color:#0b7a5d}
#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,30px);background:var(--navy);color:#fff;padding:11px 18px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:200;font-size:13.5px;max-width:92vw}#toast.show{opacity:1;transform:translate(-50%,0)}
.hide-lg{display:none}
/* landing */
.land{background:var(--navy);color:#fff}.lnav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 32px;background:rgba(11,26,51,.85);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}.lnav nav{display:flex;gap:26px;color:#b5c2dc;font-weight:500}.lnav nav a:hover{color:#fff}
.lhero{padding:80px 24px 0;text-align:center;overflow:hidden}.lh-in{max-width:860px;margin:0 auto}.pill-top{display:inline-block;padding:6px 14px;border:1px solid rgba(255,255,255,.2);border-radius:99px;color:#9fb8f0;font-size:12.5px;font-weight:600;margin-bottom:22px}.lhero h1{font-size:clamp(34px,5.4vw,60px);letter-spacing:-.035em;line-height:1.06;background:linear-gradient(180deg,#fff,#a9c1f5);-webkit-background-clip:text;background-clip:text;color:transparent}.lhero p{color:#b5c2dc;font-size:18px;margin:22px auto 30px;max-width:720px}.lhero .center.wrap{justify-content:center}
.preview{max-width:1080px;margin:56px auto 0;background:#f4f6fa;color:var(--ink);border-radius:16px 16px 0 0;box-shadow:0 -10px 80px rgba(47,107,255,.35);text-align:left;overflow:hidden}.pv-bar{display:flex;gap:6px;align-items:center;padding:11px 16px;background:#e6ebf3}.pv-bar i{width:10px;height:10px;border-radius:50%;background:#c5cedb}.pv-bar span{margin-left:14px;font-size:12px;color:var(--muted)}.pv-body{padding:18px}.pv-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:16px}.pv-res .rc{margin:0}.pv-res .thumb,.pv-res .why,.pv-res .rc-act{display:none}.pv-res .rc-body{grid-template-columns:1fr}.pv.sbox{color:var(--muted)}.pvrow{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
.lsec{padding:80px 24px;max-width:1100px;margin:0 auto;text-align:center}.lsec.alt{max-width:none;background:var(--navy2)}.lsec h2{font-size:32px;margin-bottom:34px;letter-spacing:-.02em}.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:left}.fc{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:22px;transition:.2s}.fc:hover{background:rgba(47,107,255,.14);border-color:rgba(47,107,255,.5);transform:translateY(-3px)}.fc .ic{color:#6f9bff}.fc h4{font-size:16px;margin:12px 0 6px;color:#fff}.fc p{margin:0;color:#aebbd6}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1000px;margin:0 auto}.three p{color:#aebbd6}.lead{font-size:19px;color:#c9d6f2;max-width:700px;margin:0 auto}.lsec .chip{background:rgba(255,255,255,.07);color:#dce6fb;border-color:rgba(255,255,255,.15)}
.lfoot{padding:36px 24px;text-align:center;border-top:1px solid rgba(255,255,255,.1);color:#b5c2dc}
/* responsive */
@media(max-width:1100px){.nav{position:absolute;left:0;right:0;top:60px;flex-direction:column;background:var(--navy);padding:8px 16px 16px;display:none;border-bottom:1px solid rgba(255,255,255,.1)}.nav.open{display:flex}.burger{display:grid}.top{gap:10px}.top-r{margin-left:auto}.stats{grid-template-columns:repeat(2,1fr)}.quick{grid-template-columns:repeat(2,1fr)}.tiles{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.split,.split.p{grid-template-columns:1fr}.side{position:static}.hide-lg{display:inline-flex}.filt-wrap{display:none;margin-top:10px}.filt-wrap.open{display:block}.cols3{grid-template-columns:1fr}.span2,.span3{grid-column:auto}.srcm{grid-template-columns:1fr}.fgrid,.three,.pv-grid{grid-template-columns:1fr}.rc-body{grid-template-columns:1fr}.thumb{display:none}.catgrid{grid-template-columns:1fr}.quick{grid-template-columns:1fr}}
@media(max-width:640px){.main{padding:16px 14px 30px}.top{padding:0 12px}.hide-sm{display:none!important}.hero-s{padding:26px 16px;border-radius:14px}.hero-s h1{font-size:25px}.sbox input{font-size:15px}.sbox.big input{font-size:15px}.stats{grid-template-columns:1fr 1fr}.stat{padding:12px}.res-h{flex-direction:column;align-items:flex-start}.srow{flex-direction:column}.lnav{padding:12px 16px}.lsec{padding:50px 16px}.sbox .btn.primary{padding:9px 12px}.lhero{padding-top:50px}.lhero p{font-size:16px}.modal.wide{width:100%}.dl{grid-template-columns:90px 1fr}.you{max-width:92%}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.pageimg{width:100%;display:block;background:#fff}.thumb .pageimg{height:100%;object-fit:cover;object-position:top}.cell .mini .pageimg,.aimg .pageimg{height:auto}.lg-t small{white-space:nowrap}

.fc-grid{display:grid;grid-template-columns:repeat(var(--n,4),minmax(250px,1fr));gap:14px;overflow-x:auto;margin-bottom:14px;align-items:start}.fc-col{background:#fff;border:1px solid var(--line);border-top:4px solid var(--ac);border-radius:var(--r);padding:12px}.fc-col>header{display:flex;gap:8px;align-items:center;margin-bottom:10px}.fc-card{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px}.fc-card p{margin:6px 0}.fc-card .rc-act{margin-top:8px;padding-top:8px}.fc-val{background:#f3faf7;border-left:3px solid var(--green);padding:5px 8px;font-weight:600}.fc-none{padding:20px 10px;color:var(--muted);text-align:center;background:repeating-linear-gradient(45deg,#fafbfc,#fafbfc 8px,#f3f5f8 8px,#f3f5f8 16px);border-radius:8px}

.pg-full{padding:18px 20px 14px;display:flex;flex-direction:column;gap:10px}.pg-bar{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;padding-right:44px}.pg-scroll{overflow:auto;max-height:76vh;background:#cfd6e3;border-radius:8px;padding:10px}.pg-scroll img{display:block;margin:0 auto;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.2)}

.space-frame{width:100%;height:calc(100vh - 210px);min-height:560px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--sh)}

/* ---- ElectroCode AI chat ---- */
.ca{display:grid;grid-template-columns:240px minmax(0,1fr);gap:16px;align-items:start}
.ca-hist{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;position:sticky;top:76px;max-height:calc(100vh - 110px);overflow:auto}
.ca-hist h4{margin:14px 0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.ca-ci{display:flex;align-items:center;gap:2px;border-radius:8px}.ca-ci.on{background:#eaf0ff}
.ca-ct{flex:1;text-align:left;padding:8px;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.ca-ci .icon-btn{width:26px;height:26px;opacity:.55}.ca-ci .icon-btn:hover{opacity:1}
.ca-main{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);min-height:calc(100vh - 190px);min-width:0}
.ca-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,var(--navy),var(--navy2));color:#fff;border-radius:var(--r) var(--r) 0 0}
.ca-title{display:flex;gap:10px;align-items:center}.ca-title div{display:flex;flex-direction:column;line-height:1.25}.ca-title .muted{color:#aebbd6}
.ca-hbtn{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.ca-hb{display:none}
.ca-log{flex:1;padding:16px;overflow:auto;max-height:calc(100vh - 360px);min-height:300px}
.ca-welcome{text-align:center;padding:30px 10px}.ca-welcome h3{font-size:20px;margin:10px 0 6px}.ca-welcome p{max-width:560px;margin:0 auto 14px}
.ca-logo{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,var(--navy),var(--accent));color:#fff}
.ca-prompts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px auto;max-width:720px}
.ca-pr{display:flex;gap:10px;align-items:center;text-align:left;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-weight:600;font-size:13.5px;transition:.15s}.ca-pr:hover{border-color:var(--accent);background:#f3f7ff;transform:translateY(-1px)}
.ca-comp{border-top:1px solid var(--line);padding:12px 16px;background:#fafbfd;border-radius:0 0 var(--r) var(--r)}
.ca-filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}.ca-filters label{display:flex;gap:6px;align-items:center;font-size:12px;color:var(--muted);font-weight:600}.ca-filters select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:#fff;max-width:200px}
.ca-in{display:flex;gap:10px;align-items:flex-end}.ca-in textarea{flex:1;resize:vertical;min-height:48px;max-height:180px;padding:10px 12px;border:1px solid #cdd6e4;border-radius:10px;font:inherit;background:#fff}.ca-in textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.ca-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:6px}
.ca-sec{margin-top:14px}.ca-sec h5{display:flex;gap:8px;align-items:center;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-d);margin-bottom:6px}
.ca-q{margin:0;padding:10px 14px;border-left:3px solid var(--accent);background:#f3f7ff;border-radius:0 8px 8px 0;font-size:13.5px;white-space:pre-wrap}
.ca-tw{overflow-x:auto;border:1px solid var(--line);border-radius:10px}.ca-t{border-collapse:collapse;width:100%;font-size:13px}
.ca-t th,.ca-t td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.ca-t tr:last-child th,.ca-t tr:last-child td{border-bottom:0}.ca-t tr:first-child th{background:#f4f6fa;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.ca-t td:first-child,.ca-t th:first-child{white-space:nowrap}
.ca-rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}.ca-relc{border:1px solid var(--line);border-radius:10px;padding:10px}.ca-relc p{margin:6px 0}
.ca-ex{margin-bottom:10px}
.ca-act{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.ca-sug{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:12px}
.ca-err{display:flex;gap:10px;align-items:center;background:#fdeceb;border:1px solid #f5c4c6;color:#8f2226;padding:10px 12px;border-radius:10px;margin-bottom:10px}.ca-err>div{flex:1}
.ca-load{display:flex;gap:10px;align-items:center;color:var(--muted)}
.ca-dots{display:inline-flex;gap:4px}.ca-dots i{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:ca-b 1s infinite}.ca-dots i:nth-child(2){animation-delay:.15s}.ca-dots i:nth-child(3){animation-delay:.3s}
@keyframes ca-b{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
@media(max-width:960px){.ca{grid-template-columns:1fr}.ca-hist{display:none;position:static;max-height:none}.ca.hist-open .ca-hist{display:block}.ca-hb{display:inline-flex}.ca-prompts{grid-template-columns:repeat(2,minmax(0,1fr))}.ca-log{max-height:none}}
@media(max-width:560px){.ca-prompts{grid-template-columns:1fr}.ca-in{flex-direction:column;align-items:stretch}.ca-log{padding:12px}.ca-filters select{max-width:140px}}