:root{--bg:#f5f6f8;--panel:#fff;--border:#e7e7e7;--muted:#6a6f76;--text:#15171a;--brand:#162c4b}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}.app-shell{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);background:#efefef;flex-direction:column;justify-content:space-between;padding:14px 14px 16px;display:flex}.brand{align-items:center;gap:8px;margin-bottom:18px;font-size:1.05rem;font-weight:700;display:flex}.brand-logo{object-fit:contain;border-radius:6px;width:28px;height:28px}.menu{flex-direction:column;gap:4px;display:flex}.menu a{color:#40454b;border-radius:6px;padding:10px 12px;font-weight:500}.menu a:hover{color:#111;background:#eef0f3}.sidebar-bottom{flex-direction:column;gap:10px;display:flex}.lower-menu a{padding:8px 12px}.user-card{align-items:center;gap:8px;padding:8px 6px;display:flex}.avatar{object-fit:cover;border-radius:50%;width:28px;height:28px}.user-name{font-size:13px;font-weight:700}.user-email{color:var(--muted);font-size:11px}.content{max-width:1100px;padding:42px 56px}.page-title{margin:0 0 8px;font-size:2rem}.page-subtitle{color:var(--muted);margin:0 0 20px}.card{border:1px solid var(--border);background:var(--panel);border-radius:10px;padding:16px}.hero-card{padding:22px}.auth-card,.chat-card{max-width:920px}input,textarea,select{background:#fff;border:1px solid #d8dce1;border-radius:8px;width:100%;margin:0 0 10px;padding:12px;font-size:15px}textarea{resize:vertical;min-height:160px}label{color:#4a4f55;margin:0 0 6px;font-size:13px;display:block}button{background:var(--brand);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:8px;padding:10px 14px;font-weight:600}button.secondary{color:#1f2630;background:#eceff2;border-color:#d7dbe0}button+button{margin-left:8px}button:disabled{opacity:.6;cursor:not-allowed}.error{color:#b3261e;margin:8px 0 0}.success{color:#0f7a35;margin:8px 0 0}.grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.kpi{margin:2px 0 14px;font-size:2rem;font-weight:700}.muted{color:var(--muted)}.response{white-space:pre-wrap;background:#fbfcfd;border:1px solid #e3e6ea;border-radius:8px;margin-top:12px;padding:10px}.ledger-row{border-bottom:1px solid #eceff2;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:8px;padding:8px 0;font-size:13px;display:grid}.stripe-mode-badge{color:#1f2d3d;letter-spacing:.02em;background:#eef3f8;border:1px solid #b8c3cf;border-radius:999px;margin:0 0 8px;padding:4px 10px;font-size:12px;font-weight:700;display:inline-block}.stripe-readiness{margin:0 0 12px}.stripe-readiness h4{margin:0 0 6px}.stripe-readiness-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;font-size:13px;display:grid}.stripe-readiness .ok{color:#0f7a35}.stripe-readiness .bad{color:#b3261e}.mode-toggle-wrap{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;display:flex}.mode-pill{background:#f4f7fa;border:1px solid #cfd5dd;border-radius:999px;display:inline-flex;overflow:hidden}.mode-btn{color:#2b3440;background:0 0;border:0;border-radius:0;min-width:92px;padding:8px 16px}.mode-btn+.mode-btn{border-left:1px solid #d6dce3;margin-left:0}.mode-btn.active{background:var(--brand);color:#fff}.admin-back-wrap{margin-bottom:12px}.admin-back-link{color:#1f2630;background:#eceff2;border:1px solid #d7dbe0;border-radius:8px;padding:8px 12px;font-weight:600;display:inline-block}.admin-back-link:hover{background:#e2e7ed}.profitability-controls{margin-bottom:14px}.profitability-controls-row{align-items:center;gap:8px;display:flex}.profitability-controls-row select{max-width:220px;margin-bottom:0}.profitability-kpis,.profitability-table-wrap{margin-bottom:14px}.profitability-table-wrap h3{margin-top:0}.profitability-table{gap:6px;display:grid}.profitability-row{border-bottom:1px solid #eceff2;grid-template-columns:1.3fr 1fr 1fr 1fr .8fr .9fr;gap:10px;padding:8px 0;font-size:13px;display:grid}.profitability-head{border-bottom:1px solid #d7dbe0;font-weight:700}@media (max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border)}.content{padding:24px 16px}.profitability-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}}