:root{--brand:#2447d6;--brand-ink:#1b37a8;--brand-soft:#eaeefc;--ink:#0f172a;--text:#1e293b;--muted:#64748b;--line:#e2e8f0;--bg:#f6f7f9;--surface:#fff;--ok:#0f7b4f;--ok-bg:#e6f6ee;--warn:#9a6700;--warn-bg:#fff4d6;--bad:#b42318;--bad-bg:#fdeceb;--side:#0b1220;--radius:12px;--shadow:0 1px 2px rgba(15,23,42,.05),0 8px 24px rgba(15,23,42,.06)}
*{box-sizing:border-box}html{font-size:15px}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em}h1{font-size:1.6rem}h2{font-size:1.1rem}h3{font-size:1rem}
.hidden{display:none!important}.muted{color:var(--muted)}.small{font-size:.85rem}.right{text-align:right}.nowrap{white-space:nowrap}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem}
/* shell */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.shell.collapsed{grid-template-columns:72px 1fr}
.sidebar{background:var(--side);color:#cbd5e1;padding:18px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:650;padding:4px 8px 18px}.brand:hover{text-decoration:none}.brand .mark{width:32px;height:32px;border-radius:9px;background:var(--brand);display:grid;place-items:center;font-weight:800;flex:none}
.brand b{font-weight:500;opacity:.7}.nav-group{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:#64748b;padding:16px 10px 6px}
.nav a{display:flex;gap:10px;align-items:center;padding:9px 10px;border-radius:9px;color:#cbd5e1;font-size:.93rem}.nav a:hover{background:#17213a;text-decoration:none;color:#fff}.nav a.active{background:var(--brand);color:#fff}.nav .ic{width:18px;text-align:center;flex:none}
.collapsed .brand span:not(.mark),.collapsed .nav a span.t,.collapsed .nav-group{display:none}
.main{min-width:0}.topbar{position:sticky;top:0;z-index:20;background:rgba(246,247,249,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center;padding:10px 24px}
.topbar form.search{flex:1;max-width:520px}.topbar input[type=search]{width:100%;background:#fff}
.iconbtn{position:relative;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;cursor:pointer;color:var(--ink);font:inherit}.iconbtn:hover{background:var(--brand-soft);text-decoration:none}
.badge-dot{position:absolute;top:-6px;right:-6px;background:var(--bad);color:#fff;border-radius:999px;font-size:.68rem;padding:1px 6px}
.content{padding:26px 24px 60px;max-width:1280px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;flex-wrap:wrap}.page-head p{margin:.25rem 0 0;color:var(--muted)}
/* components */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card+.card{margin-top:18px}.card h2{margin-bottom:12px}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.kpi .v{font-size:1.7rem;font-weight:650;color:var(--ink)}.kpi .l{color:var(--muted);font-size:.85rem}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--brand);background:var(--brand);color:#fff;padding:9px 16px;border-radius:10px;font:inherit;font-weight:550;cursor:pointer}.btn:hover{background:var(--brand-ink);text-decoration:none}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn.ghost:hover{background:var(--brand-soft)}.btn.danger{background:#fff;color:var(--bad);border-color:#f3c3bf}.btn.danger:hover{background:var(--bad-bg)}.btn.sm{padding:5px 11px;font-size:.85rem}.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:grid;gap:6px;font-size:.85rem;font-weight:550;color:var(--ink)}
input,select,textarea{font:inherit;color:var(--text);background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:9px 11px;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
input[type=checkbox],input[type=radio]{width:auto}label.inline{display:flex;gap:8px;align-items:center;font-weight:450}
.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.fields .full{grid-column:1/-1}.hint{font-weight:400;color:var(--muted);font-size:.8rem}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;white-space:nowrap}tbody tr:hover{background:#fafbfd}
.tablewrap{overflow-x:auto}.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:600;background:#eef2f7;color:#475569}.pill.ok{background:var(--ok-bg);color:var(--ok)}.pill.warn{background:var(--warn-bg);color:var(--warn)}.pill.bad{background:var(--bad-bg);color:var(--bad)}.pill.brand{background:var(--brand-soft);color:var(--brand-ink)}
.flash{padding:11px 14px;border-radius:10px;margin-bottom:14px;border:1px solid}.flash.ok{background:var(--ok-bg);color:var(--ok);border-color:#b7e3cd}.flash.error{background:var(--bad-bg);color:var(--bad);border-color:#f3c3bf}.flash.warn{background:var(--warn-bg);color:var(--warn);border-color:#f0dca0}.flash.info{background:var(--brand-soft);color:var(--brand-ink);border-color:#c9d4f7}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.toolbar input,.toolbar select{width:auto;min-width:160px}.pager{display:flex;gap:6px;margin-top:14px;align-items:center}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}.stack>*+*{margin-top:14px}
.check{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}.check .s{width:22px;text-align:center;font-weight:700}.check .s.ok{color:var(--ok)}.check .s.warn{color:var(--warn)}.check .s.fail{color:var(--bad)}
.perm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:6px 18px}.perm-group{font-weight:650;margin:14px 0 6px;color:var(--ink)}
.secret-box{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:14px;word-break:break-all;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem}
/* auth / installer */
.guest{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(160deg,#eaeefc 0%,#f6f7f9 55%)}.guest .box{width:100%;max-width:440px}.guest .box.wide{max-width:640px}.guest .brand{color:var(--ink);justify-content:center;padding-bottom:18px}
.steps{display:flex;gap:6px;margin:0 0 18px}.steps i{flex:1;height:4px;border-radius:2px;background:var(--line)}.steps i.on{background:var(--brand)}
/* AI panel */
.ai-panel{position:fixed;right:20px;bottom:20px;width:380px;max-width:calc(100vw - 40px);max-height:70vh;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 50px rgba(15,23,42,.2);display:flex;flex-direction:column;z-index:40}
.ai-head{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.ai-log{padding:14px;overflow:auto;flex:1;display:grid;gap:10px;align-content:start}.ai-msg{padding:9px 12px;border-radius:12px;white-space:pre-wrap;font-size:.92rem}.ai-msg.u{background:var(--brand-soft);justify-self:end}.ai-msg.a{background:#f1f5f9}.ai-form{padding:10px;border-top:1px solid var(--line);display:flex;gap:8px}
/* quotation editor + paper */
.items td{padding:6px}.items textarea{min-height:44px}.totals{display:grid;gap:6px;justify-content:end;text-align:right;margin-top:12px}.totals .t{font-size:1.2rem;font-weight:650;color:var(--ink)}
.paper{background:#fff;border:1px solid var(--line);border-radius:6px;padding:44px;max-width:860px;margin:0 auto;box-shadow:var(--shadow)}.paper .ph{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:3px solid var(--brand);padding-bottom:16px}.paper .co{font-size:1.3rem;font-weight:700;color:var(--ink)}.paper .label{letter-spacing:.2em;font-weight:700;color:var(--brand)}
.paper .meta{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0}.paper h2.pt{margin:8px 0 14px;font-size:1.25rem}.paper .tot{margin-left:auto;width:280px}.paper .tot div{display:flex;justify-content:space-between;padding:5px 0}.paper .tot .g{border-top:2px solid var(--ink);font-weight:700;font-size:1.1rem}.paper .terms{margin-top:26px;white-space:pre-wrap;font-size:.9rem;color:#475569}.paper .foot{margin-top:30px;border-top:1px solid var(--line);padding-top:10px;display:flex;justify-content:space-between;color:var(--muted);font-size:.82rem}
@media print{.sidebar,.topbar,.no-print,.ai-panel,.flash{display:none!important}.shell{display:block}.content{padding:0;max-width:none}body{background:#fff}.paper{border:0;box-shadow:none;padding:0;max-width:none}}
@media(max-width:960px){.shell,.shell.collapsed{grid-template-columns:1fr}.sidebar{position:fixed;left:-260px;width:248px;z-index:50;transition:left .2s}.shell.open .sidebar{left:0}.g2,.g3,.g4,.fields{grid-template-columns:1fr}.content{padding:18px 14px 60px}.topbar{padding:10px 14px}.paper{padding:22px}.paper .meta{grid-template-columns:1fr}}
.mt{margin-top:18px}