:root{--navy:#082b4b;--navy2:#104b73;--gold:#f6bd2c;--green:#1d9b68;--ink:#17324a;--muted:#708194;--paper:#f3f6f9;--line:#e1e8ef;--white:#fff;--red:#b84242}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.topbar{min-height:76px;background:linear-gradient(115deg,var(--navy),var(--navy2));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px max(20px,calc((100vw - 1180px)/2));gap:15px}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}.brand-mark{width:43px;height:43px;border-radius:12px;background:var(--gold);color:var(--navy);display:grid;place-items:center;font-size:25px;font-weight:950}.brand-name{font-size:21px;font-weight:800;letter-spacing:.05em;line-height:1.05}.brand-name b{color:var(--gold)}.brand-name small{display:block;font-size:10px;letter-spacing:0;font-weight:500;color:#d7e4ef;margin-top:5px}.main{max-width:1180px;margin:0 auto;padding:30px 22px 54px;min-height:calc(100vh - 142px)}.footer{text-align:center;padding:18px 12px;color:#82909d;font-size:11px;border-top:1px solid var(--line)}.loading{text-align:center;color:var(--muted);padding:80px 0}.hero{padding:42px 0 26px;max-width:780px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:#8c9aa8;font-size:11px;font-weight:800}.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.04;letter-spacing:-.045em;color:var(--navy);margin:12px 0}.hero h1 span{color:#b47c00}.lead{font-size:18px;color:#52697d;max-width:650px}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:25px 0}.feature,.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px;box-shadow:0 5px 20px #102b4508}.feature strong{display:block;color:var(--navy);margin:7px 0 3px}.feature p{font-size:13px;color:var(--muted);margin:0}.symbol{width:34px;height:34px;border-radius:10px;background:#edf4f8;color:var(--navy);display:grid;place-items:center;font-weight:900}.layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.75fr);gap:24px;align-items:start}.auth-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 10px 30px #102b4510}.auth-card h2,.section-title{margin:0 0 6px;color:var(--navy);font-size:22px}.muted{color:var(--muted)}.small{font-size:12px}.field{display:grid;gap:6px;margin:14px 0}.field label{font-size:12px;font-weight:750;color:#43586c}.field input,.field select,.field textarea{width:100%;border:1px solid #d6e0e8;border-radius:10px;padding:12px 13px;font:inherit;color:var(--ink);background:#fff;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#4c8fb4;box-shadow:0 0 0 3px #4c8fb41c}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:0;border-radius:10px;padding:12px 17px;font-weight:800;cursor:pointer;text-decoration:none}.btn.primary{background:var(--gold);color:var(--navy)}.btn.dark{background:var(--navy);color:#fff}.btn.ghost{background:#edf3f7;color:var(--navy)}.btn.danger{background:#fff0f0;color:var(--red)}.btn.full{width:100%}.btn:disabled{opacity:.55;cursor:wait}.link-btn{border:0;background:none;color:#17638f;font-weight:750;cursor:pointer;padding:8px 0}.notice{padding:12px 14px;background:#edf7f1;border:1px solid #cce8d8;border-radius:10px;color:#276344;font-size:13px;margin:12px 0}.warning{background:#fff8e6;border-color:#f1dda6;color:#725616}.error{background:#fff0f0;border:1px solid #f0cccc;color:#9c3030;padding:11px;border-radius:9px;font-size:13px;margin:10px 0}.hidden{display:none!important}.top-actions{display:flex;align-items:center;gap:9px}.user-chip{color:#e7f0f6;font-size:12px}.app-shell{display:grid;grid-template-columns:220px minmax(0,1fr);gap:20px}.sidebar{background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px;height:max-content;position:sticky;top:15px}.nav-item{display:flex;width:100%;text-align:left;border:0;background:transparent;padding:11px 12px;border-radius:9px;color:#526579;font-weight:700;cursor:pointer;margin:2px 0}.nav-item.active,.nav-item:hover{background:#eaf2f7;color:var(--navy)}.nav-label{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:#9aa6b2;font-weight:850;padding:13px 12px 4px}.content{min-width:0}.page-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin:0 0 19px}.page-head h1{margin:0;color:var(--navy);font-size:clamp(24px,3vw,32px)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.metric{font-size:29px;font-weight:850;color:var(--navy);margin:7px 0}.metric-label{font-size:12px;color:var(--muted);font-weight:700}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px;margin:14px 0}.panel h3{margin:0 0 8px;color:var(--navy);font-size:16px}.empty{padding:20px;border:1px dashed #cbd7e1;border-radius:12px;background:#fbfcfd;color:#65798c;font-size:13px}.assistant-box{background:linear-gradient(125deg,#082b4b,#15537d);color:#fff;border-radius:17px;padding:22px}.assistant-box h2{margin:0 0 5px;color:#fff}.assistant-box p{margin:0;color:#d8e7f2;font-size:13px}.chat-log{display:grid;gap:12px;margin:18px 0;max-height:430px;overflow:auto}.bubble{max-width:88%;padding:12px 14px;border-radius:13px;font-size:14px;white-space:pre-wrap}.bubble.user{justify-self:end;background:#eaf2f7;color:var(--navy)}.bubble.ai{justify-self:start;background:#fff;color:var(--ink);border:1px solid var(--line)}.chat-form{display:flex;gap:8px}.chat-form textarea{flex:1;min-width:0;min-height:50px;max-height:130px;resize:vertical;border:1px solid #8da9bd;border-radius:10px;padding:12px;font:inherit}.chat-form button{align-self:stretch}.tag{display:inline-block;background:#eef3f6;color:#5a6c7d;border-radius:99px;padding:5px 9px;font-size:10px;font-weight:800}.tag.green{background:#e5f5ed;color:#18754b}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.code{font-family:ui-monospace,monospace;letter-spacing:.08em;font-weight:900;background:#f2f5f7;border:1px dashed #b8c7d3;border-radius:9px;padding:13px;overflow-wrap:anywhere}.credits{font-size:32px;color:var(--navy);font-weight:900}.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#122e45;color:#fff;padding:12px 17px;border-radius:10px;box-shadow:0 6px 25px #0002;z-index:99;opacity:0;pointer-events:none;transition:opacity .2s}.toast.show{opacity:1}@media(max-width:850px){.layout{grid-template-columns:1fr}.app-shell{grid-template-columns:1fr}.sidebar{position:static;display:flex;overflow-x:auto;gap:4px}.nav-label{display:none}.nav-item{white-space:nowrap;width:auto}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.main{padding:20px 14px 38px}.feature-row{grid-template-columns:1fr}.topbar{padding:12px 14px}.brand-name{font-size:18px}.brand-name small{font-size:9px}.user-chip{display:none}.grid,.settings-grid{grid-template-columns:1fr}.auth-card{padding:19px}.hero{padding-top:22px}.lead{font-size:16px}.page-head{display:block}.chat-form{flex-direction:column}.chat-form button{width:100%}}