:root{--bg:#f4f6fb;--panel:#fff;--ink:#0f1b2d;--muted:#5b6b82;--line:#e3e8f1;--brand:#3949ab;--brand2:#00897b;--ok:#1b8a4b;--warn:#b26a00;--bad:#c62828;--chip:#eef1f8;--shadow:0 1px 2px rgba(15,27,45,.06),0 4px 16px rgba(15,27,45,.06);--r:14px}
*{box-sizing:border-box}html,body{margin:0;height:100%}body{font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}button{font:inherit;cursor:pointer;border:0;border-radius:10px;padding:8px 14px;background:var(--chip);color:var(--ink);font-weight:600}button:hover{filter:brightness(.97)}button:disabled{opacity:.5;cursor:default}
button.primary{background:var(--brand);color:#fff}button.go{background:var(--ok);color:#fff}button.danger{background:#fdecec;color:var(--bad)}button.ghost{background:transparent;border:1px solid var(--line)}button.sm{padding:5px 10px;font-size:12px;border-radius:8px}
input,textarea,select{font:inherit;border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:#fff;color:var(--ink);width:100%}textarea{resize:vertical;min-height:90px}
header.top{display:flex;align-items:center;gap:14px;padding:10px 18px;background:#0f1b2d;color:#fff;position:sticky;top:0;z-index:5}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.2px}.logo .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#5c6bc0,#26a69a);display:grid;place-items:center;font-size:15px}
.logo small{font-weight:500;opacity:.7;font-size:12px}.top .sp{flex:1}.badge{font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;background:#ffcc80;color:#4e2c00;letter-spacing:.4px}.badge.ok{background:#a5d6a7;color:#0b3d1d}.badge.off{background:#ef9a9a;color:#4a0000}
.top button{background:rgba(255,255,255,.12);color:#fff}
main.desk{display:grid;grid-template-columns:300px minmax(0,1fr) 380px;gap:14px;padding:14px;height:calc(100vh - 52px)}
.col{display:flex;flex-direction:column;gap:12px;min-height:0;overflow:auto}
.card{background:var(--panel);border-radius:var(--r);box-shadow:var(--shadow);padding:14px}.card h3{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.inbox .item{padding:10px;border-radius:10px;cursor:pointer;border:1px solid transparent;margin-bottom:6px}.inbox .item:hover{background:#f7f9fd}.inbox .item.sel{border-color:var(--brand);background:#f3f5ff}
.item .who{font-weight:700;display:flex;justify-content:space-between;gap:6px}.item .prev{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--chip);color:var(--muted);white-space:nowrap}
.pill.s-sourcing,.pill.s-received,.pill.s-settling{background:#e3f2fd;color:#0d47a1}.pill.s-awaiting_quote_approval,.pill.s-awaiting_invoice_approval,.pill.s-awaiting_settlement_approval{background:#fff3e0;color:#8a4b00}
.pill.s-quote_sent,.pill.s-invoice_sent{background:#ede7f6;color:#4527a0}.pill.s-settled{background:#e8f5e9;color:#1b5e20}.pill.s-held,.pill.s-rejected{background:#fdecec;color:#b71c1c}
.src{font-size:11px;color:var(--muted)}
.empty{color:var(--muted);text-align:center;padding:30px 10px}
.req{white-space:pre-wrap;background:#f7f9fd;border-radius:10px;padding:10px;border:1px solid var(--line)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.sb{justify-content:space-between}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:11px;text-transform:uppercase;color:var(--muted);letter-spacing:.5px}td.n,th.n{text-align:right;white-space:nowrap}
.tot td{font-weight:700;border-bottom:0}
.steps .st{display:flex;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line)}.st .ic{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;flex:none;font-size:13px;background:var(--chip)}
.st.agent .ic{background:#e8eaf6}.st.policy .ic{background:#fff3e0}.st.paypal .ic{background:#e0f2f1}.st.owner .ic{background:#e8f5e9}.st.buyer .ic,.st.buyer-agent .ic{background:#f3e5f5}.st.system .ic{background:#eceff1}
.st .tx{flex:1;min-width:0}.st .meta{font-size:11px;color:var(--muted)}details summary{cursor:pointer;color:var(--brand);font-size:12px}details pre{white-space:pre-wrap;word-break:break-word;background:#0f1b2d;color:#d6e2ff;padding:8px;border-radius:8px;font-size:11px;max-height:260px;overflow:auto}
.approval{border:2px solid #ffb74d;background:#fffaf2}.approval h2{margin:0 0 6px;font-size:18px}.approval .big{font-size:28px;font-weight:800}
.checks{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}.check{font-size:12px;padding:3px 8px;border-radius:8px;background:#e8f5e9;color:#1b5e20}.check.bad{background:#fdecec;color:var(--bad)}.warnline{font-size:12px;color:var(--warn);margin:4px 0}
.paybox .pp{display:grid;grid-template-columns:auto 1fr auto;gap:6px 10px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line)}
.ledger .ev{padding:6px 0;border-bottom:1px solid var(--line);font-size:12px}.ledger .ev b{font-size:11px;text-transform:uppercase;letter-spacing:.4px}
.a-agent{color:#3949ab}.a-policy{color:#b26a00}.a-paypal{color:#00796b}.a-owner{color:#1b8a4b}.a-buyer,.a-buyer-agent{color:#8e24aa}.a-system{color:#607d8b}
.spinner{display:inline-block;width:12px;height:12px;border:2px solid #c5cae9;border-top-color:var(--brand);border-radius:50%;animation:sp 0.8s linear infinite;vertical-align:-2px}@keyframes sp{to{transform:rotate(360deg)}}
.login{max-width:440px;margin:10vh auto}.login h1{margin:0 0 6px}.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.kpi div{background:#f7f9fd;border-radius:10px;padding:8px}.kpi b{display:block;font-size:18px}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#0f1b2d;color:#fff;padding:10px 16px;border-radius:10px;box-shadow:var(--shadow);z-index:20;max-width:80vw}
.modal{position:fixed;inset:0;background:rgba(15,27,45,.45);display:grid;place-items:center;z-index:10}.modal .card{width:min(640px,94vw);max-height:90vh;overflow:auto}
.tag{font-size:10px;padding:2px 6px;border-radius:6px;background:#eceff1;color:#455a64;font-weight:700;letter-spacing:.3px}
/* buyer chat */
.chatwrap{max-width:760px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:10px;min-height:100vh}
.chathead{display:flex;align-items:center;gap:10px;background:#0f1b2d;color:#fff;border-radius:var(--r);padding:12px 14px}
.bubble{max-width:86%;padding:10px 12px;border-radius:14px;box-shadow:var(--shadow);white-space:pre-wrap}.bubble.me{align-self:flex-end;background:#dfe7ff;border-bottom-right-radius:4px}.bubble.desk{align-self:flex-start;background:#fff;border-bottom-left-radius:4px}
.bubble .t{font-size:11px;color:var(--muted);margin-top:4px}.bubble.sys{align-self:center;background:#eef1f8;font-size:12px;color:var(--muted);box-shadow:none}
.quotecard{white-space:normal}.quotecard table td,.quotecard table th{padding:5px 4px}
#paypal-area{margin-top:8px}.qr{width:160px;height:160px;image-rendering:pixelated;border:1px solid var(--line);border-radius:8px}
.composer{display:flex;gap:8px;position:sticky;bottom:0;background:var(--bg);padding:8px 0}
@media (max-width:1100px){main.desk{grid-template-columns:1fr;height:auto}}
/* ---- design system additions: layout, a11y, states ---- */
:focus-visible{outline:3px solid #ffb300;outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 12px;border-radius:8px;z-index:50}.skip:focus{left:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.small{font-size:12px}.center{text-align:center}.h{margin:0 0 4px;font-size:20px}.big2{font-size:18px}
.stack{display:flex;flex-direction:column;gap:6px}.stack label{font-weight:600;font-size:12px;color:var(--muted);margin-top:4px}.row.wrap{flex-wrap:wrap;gap:6px;margin-bottom:8px}
.tabs{display:flex;gap:4px;margin-left:8px}.tabs button{background:transparent;color:#c9d3ea;padding:8px 12px;border-radius:8px}.tabs button[aria-selected=true]{background:rgba(255,255,255,.14);color:#fff}
.btnlink{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:10px;background:var(--chip);color:var(--ink);font-weight:600;text-decoration:none;font-size:13px}.btnlink:hover{filter:brightness(.97)}.btnlink.go{background:var(--ok);color:#fff}
.top .btnlink{background:rgba(255,255,255,.12);color:#fff;padding:5px 10px;font-size:12px;border-radius:8px}
.badge.sim{background:#b3e5fc;color:#01334d}
.inbox .item{display:block;width:100%;text-align:left;background:transparent;font-weight:400}.inbox .item .who,.inbox .item .prev{display:block}.inbox .item .prev{margin:2px 0 6px}
.dot{width:9px;height:9px;border-radius:50%;background:#ff9800;display:inline-block;box-shadow:0 0 0 3px #fff3e0;flex:none;margin-top:5px}
.tog{display:inline-flex;gap:6px;align-items:center;font-size:12px;color:var(--muted)}.tog input{width:auto}
main.wide{padding:16px;max-width:1200px;margin:0 auto}.narrow{max-width:640px;margin:0 auto}
main.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;padding:14px;max-width:1300px;margin:0 auto}
.hero h2{margin-top:0}.flow{padding-left:20px}.flow li{margin:6px 0}
.tablewrap{overflow-x:auto}.unav td{color:var(--bad);background:#fff7f7}
.kpi.k4{grid-template-columns:repeat(4,1fr);margin-bottom:12px}
.notice{background:#fff3e0;border:1px solid #ffcc80;border-radius:10px;padding:10px;margin:8px 0}.notice.sim{background:#e1f5fe;border-color:#81d4fa}
.check.warn{background:#fff3e0;color:#8a4b00}
.paywrap{max-width:760px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:14px}.ppbtn-wrap{margin:10px 0;min-height:10px}paypal-button{display:block;max-width:360px}
.thread{display:flex;flex-direction:column;gap:10px}.chathead .mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#5c6bc0,#26a69a);display:grid;place-items:center;font-weight:800}
pre.code{white-space:pre-wrap;word-break:break-all;background:#0f1b2d;color:#d6e2ff;padding:10px;border-radius:8px;font-size:11px}
code{background:#eef1f8;padding:1px 5px;border-radius:5px;font-size:12px}
.btnlink.light{background:rgba(255,255,255,.12);color:#fff}
@media (max-width:900px){main.two{grid-template-columns:1fr}.kpi.k4{grid-template-columns:repeat(2,1fr)}.tabs{overflow-x:auto}.top{flex-wrap:wrap}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
/* ---- v0.4: states, tour, KPIs, after-sale, mobile ---- */
.netbar{position:sticky;top:52px;z-index:6;background:#fdecec;color:#7f1d1d;border-bottom:1px solid #f5c2c2;padding:8px 18px;font-size:13px;font-weight:600}
.skel{height:14px;border-radius:7px;background:linear-gradient(90deg,#eef1f8,#f7f9fd,#eef1f8);background-size:200% 100%;animation:sk 1.2s infinite;margin:8px 0}.skel:nth-child(2){width:80%}.skel:nth-child(3){width:60%}@keyframes sk{to{background-position:-200% 0}}
.pill.s-queued{background:#e8eaf6;color:#283593}.pill.s-partially_paid{background:#fff8e1;color:#7a5200}.pill.s-claim_review,.pill.s-awaiting_claim_approval{background:#fce4ec;color:#880e4f}
.tour summary{font-weight:700;font-size:13px;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center}.tour summary::-webkit-details-marker{display:none}
.tour ol{list-style:none;padding:0;margin:8px 0 0}.tour li{display:flex;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px}.tour li .ck{flex:none;width:20px;height:20px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:11px}
.tour li.done .ck{background:var(--ok);border-color:var(--ok);color:#fff}.tour li.done .t{color:var(--muted);text-decoration:line-through}.tour .h2{font-size:11px;color:var(--muted)}
.prog{height:6px;border-radius:3px;background:var(--chip);overflow:hidden;margin-top:6px}.prog i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.kgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.kgrid div{background:#f7f9fd;border-radius:10px;padding:8px}.kgrid b{display:block;font-size:17px}.kgrid .muted{font-size:11px}
.brief .head{font-weight:700;margin:4px 0}.brief ul{margin:6px 0;padding-left:18px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chip{font-size:11px;padding:2px 8px;border-radius:999px;background:#e0f2f1;color:#004d40}.chip.dim{background:var(--chip);color:var(--muted)}
.advice{border-left:4px solid var(--brand);background:#f3f5ff;padding:8px 10px;border-radius:8px;margin:8px 0;font-size:13px}.advice.contest{border-color:var(--ok);background:#ecf8f0}.advice.escalate{border-color:var(--bad);background:#fdecec}
.quoteblk{background:#f7f9fd;border-radius:10px;padding:8px 10px;margin:6px 0;font-style:italic}
.notes-toggle{font-size:12px;color:var(--brand);background:none;padding:2px 0}
.ccy{display:inline-flex;gap:6px;align-items:center;font-size:12px}.ccy select{width:auto;padding:4px 8px}
.claimbox textarea{min-height:70px}
@media (max-width:700px){
  header.top{padding:8px 10px;gap:8px}.logo small{display:none}.tabs{order:3;width:100%;margin:0}.tabs button{padding:6px 8px;font-size:13px}
  #topActions{width:100%;flex-wrap:wrap;gap:6px}#topActions>*{flex:none;font-size:12px;padding:4px 8px}.badge{font-size:10px}
  main.desk,main.two,main.wide{padding:8px;gap:10px}.card{padding:12px;border-radius:12px}.approval .big{font-size:24px}
  .kpi.k4,.kpi{grid-template-columns:repeat(2,1fr)}.netbar{top:0}
  table{font-size:12px}th,td{padding:6px 4px}.bubble{max-width:94%}.paywrap,.chatwrap{padding:10px}
}
[hidden]{display:none!important}
.st.fb{background:#fff7e6;border-radius:8px;padding-left:6px}