:root{
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#0b1627;
  --muted:#64748b;
  --line:#dbe3ee;
  --nav:#ffffff;
  --accent:#1478ea;
  --accent2:#16a3b6;
  --good:#16865c;
  --bad:#c64747;
  --soft:#eef4fb;
  --shadow:0 8px 24px rgba(15,23,42,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{min-height:100vh}
a{color:inherit;text-decoration:none}
.topbar{height:56px;background:var(--nav);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 38px;position:sticky;top:0;z-index:30}
.brand-lockup,.user-lockup{display:flex;align-items:center;gap:11px}
.brand-lockup>div:last-child,.user-lockup>div:last-child{display:flex;flex-direction:column;line-height:1.12}
.brand-lockup strong,.user-lockup strong{font-size:13px}.brand-lockup span,.user-lockup span:not(.pill):not(.status-pill){font-size:10px;color:var(--muted);margin-top:3px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:800;font-size:12px;letter-spacing:.5px}
.status-pill,.pill{border-radius:999px;padding:4px 9px;font-weight:800;font-size:9px;letter-spacing:.06em}
.status-pill{background:#e8f8ef;color:#16865c}.pill.dev{background:#ddf7e7;color:#16865c;margin-right:4px}
.nav-tabs{height:46px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:flex-end;padding:0 38px;gap:28px;position:sticky;top:56px;z-index:25}
.nav-tabs a{height:46px;display:flex;align-items:center;border-bottom:2px solid transparent;font-size:12px;color:#344154}
.nav-tabs a.active{font-weight:750;color:#0b1627;border-bottom-color:#0b1627}
main{padding:28px 38px 48px;max-width:1540px;margin:0 auto}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px}.page-head h1{font-size:30px;margin:3px 0 4px;letter-spacing:-.03em}.page-head p{margin:0;color:var(--muted);font-size:13px}
.eyebrow{font-size:9px;font-weight:850;letter-spacing:.13em;color:#7b8da7}
.filterbar{display:grid;grid-template-columns:1.05fr .9fr .9fr 1fr 1fr 1.15fr 1.15fr 1fr 1fr auto;gap:9px;align-items:end;margin-bottom:14px}
.filterbar label{display:flex;flex-direction:column;gap:5px;font-size:10px;color:#5f6f84;font-weight:700}
select,input[type=date]{height:37px;width:100%;background:#fff;border:1px solid #ccd7e5;border-radius:8px;padding:0 10px;color:#101828;font:inherit;font-size:11px;outline:none}
select:focus,input:focus{border-color:#7db4f0;box-shadow:0 0 0 3px rgba(20,120,234,.08)}
.btn{height:37px;border:0;border-radius:8px;padding:0 15px;font-weight:750;cursor:pointer}.btn.primary{background:var(--accent);color:#fff}.btn:hover{filter:brightness(.98)}
.card{background:var(--card);border:1px solid var(--line);border-radius:11px;box-shadow:var(--shadow)}
.kpi-grid{display:grid;gap:12px;margin-bottom:14px}.kpi-grid.six{grid-template-columns:repeat(6,minmax(0,1fr))}.kpi-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.kpi{padding:16px 16px 15px;min-height:112px;display:flex;flex-direction:column}.kpi>span{font-size:10px;color:#6d7d92}.kpi strong{font-size:29px;letter-spacing:-.04em;margin:6px 0 4px;line-height:1}.kpi small{font-size:10px;color:var(--muted);line-height:1.35}.kpi small .up{color:var(--good)}.kpi small .down{color:var(--bad)}
.grid-2{display:grid;grid-template-columns:1.08fr .92fr;gap:14px;margin-bottom:14px}.panel{padding:17px}.panel-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:10px}.panel-head h2{font-size:17px;margin:4px 0 0;letter-spacing:-.02em}.legend{display:flex;gap:15px;color:#65758a;font-size:10px}.legend span:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:6px}.legend span:nth-child(2):before{background:var(--accent2)}
.chart{height:295px;position:relative;overflow:hidden}.chart svg{width:100%;height:100%;overflow:visible}.chart .grid{stroke:#e7edf5;stroke-width:1}.chart .axis-label{fill:#75859a;font-size:10px}.chart .line-revenue{fill:none;stroke:var(--accent);stroke-width:2.5}.chart .line-profit{fill:none;stroke:var(--accent2);stroke-width:2.5}.chart .point{stroke:#fff;stroke-width:2;cursor:pointer}.chart .point.revenue{fill:var(--accent)}.chart .point.profit{fill:var(--accent2)}
.chart-tooltip{position:absolute;pointer-events:none;background:#111827;color:#fff;border-radius:8px;padding:9px 10px;font-size:10px;line-height:1.5;box-shadow:0 8px 20px rgba(0,0,0,.18);min-width:154px;z-index:10}.chart-tooltip strong{display:block;font-size:11px;margin-bottom:3px}.chart-tooltip .row{display:flex;justify-content:space-between;gap:20px}
.bar-list{display:flex;flex-direction:column;gap:13px;padding-top:3px}.bar-row .bar-top{display:flex;justify-content:space-between;gap:20px;font-size:10px;margin-bottom:5px}.bar-row .bar-top strong{font-size:10px}.bar-track{height:8px;background:#e8eef6;border-radius:999px;overflow:hidden}.bar-fill{height:100%;background:var(--accent);border-radius:999px}
.table-card{padding:0;overflow:hidden}.table-card .panel-head{padding:17px 17px 4px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:11px}th,td{padding:11px 14px;border-top:1px solid #e7edf4;text-align:right;white-space:nowrap}th:first-child,td:first-child{text-align:left}th{color:#5f6f84;font-size:9px;letter-spacing:.05em;text-transform:uppercase;background:#fbfcfe}tbody tr:hover{background:#fafcff}td strong{font-weight:750}.pos{color:var(--good)}.neg{color:var(--bad)}.empty{text-align:center!important;color:#8a98aa;padding:30px}
.section-tabs{display:flex;gap:7px;margin-bottom:14px}.section-tabs button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:10px;font-weight:750;color:#5e6c80;cursor:pointer}.section-tabs button.active{background:#111827;color:#fff;border-color:#111827}
footer{max-width:1540px;margin:0 auto;padding:0 38px 24px;color:#8b98a9;font-size:9px}
.toast{position:fixed;right:24px;bottom:24px;background:#111827;color:#fff;padding:10px 13px;border-radius:8px;font-size:11px;opacity:0;transform:translateY(8px);transition:.18s;z-index:100;pointer-events:none}.toast.show{opacity:1;transform:none}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.38);display:grid;place-items:center;z-index:200;padding:20px}.modal-backdrop.hidden{display:none}.modal-card{width:min(560px,100%);background:#fff;border-radius:14px;padding:22px;border:1px solid var(--line);box-shadow:0 25px 70px rgba(15,23,42,.22)}.modal-card h2{margin:5px 0 10px;font-size:22px}.modal-card ul{padding-left:19px;color:#526277;font-size:12px;line-height:1.55}.modal-actions{display:flex;justify-content:flex-end;margin-top:16px}
@media(max-width:1180px){.filterbar{grid-template-columns:repeat(5,minmax(0,1fr))}.kpi-grid.six{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:1fr}}
@media(max-width:760px){.topbar,.nav-tabs{padding-left:16px;padding-right:16px}.nav-tabs{gap:18px;overflow:auto}.user-lockup>div:last-child{display:none}main{padding:20px 16px 42px}.filterbar{grid-template-columns:repeat(2,minmax(0,1fr))}.kpi-grid.six,.kpi-grid.four{grid-template-columns:repeat(2,1fr)}.page-head h1{font-size:25px}}

/* v0.1.1 overview: original 2x2 information hierarchy, PI/SSP visual language */
.overview-hero-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:14px}
.overview-metric{min-height:238px;padding:22px 22px 0;display:flex;flex-direction:column;overflow:hidden}
.overview-metric-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}
.overview-metric-head>span{font-size:15px;font-weight:760;letter-spacing:-.01em}
.overview-metric-head small{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:3px}
.overview-metric>strong{font-size:48px;line-height:1;letter-spacing:-.055em;margin:28px 0 8px;font-weight:780}
.overview-metric-note{font-size:11px;color:var(--muted);min-height:18px;margin-bottom:20px}
.overview-compare{display:grid;grid-template-columns:1fr 1fr;margin:0 -22px;margin-top:auto;border-top:1px solid var(--line);background:#fbfcfe}
.overview-compare>div{padding:13px 22px;display:flex;flex-direction:column;gap:5px}
.overview-compare>div+div{border-left:1px solid var(--line)}
.overview-compare span{font-size:9px;color:#718096;text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.overview-compare b{font-size:17px;letter-spacing:-.02em}
.return-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0 20px}
.return-pair>div{display:flex;flex-direction:column;gap:7px}.return-pair>div+div{border-left:1px solid var(--line);padding-left:20px}
.return-pair span{font-size:10px;color:var(--muted)}.return-pair strong{font-size:36px;letter-spacing:-.045em;line-height:1}
.panel-note{max-width:420px;text-align:right;font-size:9px;color:var(--muted);line-height:1.4}
.overview-channel-table{margin-bottom:14px}.overview-charts{margin-top:0}
@media(max-width:980px){.overview-hero-grid{grid-template-columns:1fr}.overview-metric{min-height:210px}.panel-note{display:none}}

/* v0.1.3 drill-down, decisions and classification tools */
.hidden{display:none!important}
.filterbar{grid-template-columns:1.05fr .8fr .8fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr auto}
.product-filterbar{grid-template-columns:1fr .8fr .8fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr auto}
.compact-filterbar{grid-template-columns:1fr 1fr 1fr auto;max-width:650px}
.clickable-row{cursor:pointer}.clickable-row:hover td:first-child strong{color:var(--accent)}
.drill-trail{display:flex;align-items:center;gap:12px;margin:-4px 0 14px;color:var(--muted);font-size:11px}.btn.quiet{background:#fff;border:1px solid var(--line);color:#344154}
.admin-section{margin-bottom:14px}.admin-section select{min-width:170px}
.decision-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:14px}.mini-stat{padding:16px}.mini-stat span{font-size:10px;color:var(--muted)}.mini-stat strong{display:block;font-size:28px;margin-top:5px}
.decision-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.decision-card{padding:18px}.decision-card-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.decision-card h3{font-size:17px;margin:8px 0 0}.decision-card>p{color:#4c5d72;font-size:12px;line-height:1.55}.decision-review{font-size:10px;color:var(--muted);white-space:nowrap}.decision-status{display:inline-block;border-radius:999px;padding:4px 8px;font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;background:#eef4fb;color:#526277}.decision-status.active{background:#e7f7ee;color:#16865c}.decision-status.reviewed{background:#e8effc;color:#285ea8}.decision-status.review_due{background:#fff4dd;color:#9b6400}.decision-meta{display:flex;gap:8px;flex-wrap:wrap;margin:13px 0}.decision-meta span{background:#f5f7fa;border:1px solid var(--line);padding:5px 7px;border-radius:6px;font-size:9px;color:#5c6b7d}.decision-result{border-left:3px solid var(--good);padding:8px 11px;background:#f7fbf9;margin:10px 0}.decision-result strong{font-size:9px;text-transform:uppercase}.decision-result p{font-size:11px;margin:4px 0}.decision-updates{font-size:10px;color:#56667a;display:flex;flex-direction:column;gap:5px;margin:10px 0}.decision-updates b{text-transform:uppercase;font-size:8px;margin-right:5px}.decision-update-form{display:grid;grid-template-columns:110px 1fr auto;gap:7px;margin-top:12px}.decision-update-form select,.decision-update-form input{height:34px;border:1px solid #ccd7e5;border-radius:7px;padding:0 8px;font-size:10px}.decision-update-form .btn{height:34px;background:#f4f7fb;border:1px solid var(--line)}
.modal-card.wide{width:min(760px,100%)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid label{display:flex;flex-direction:column;gap:5px;font-size:10px;font-weight:700;color:#5f6f84}.form-grid input,.form-grid textarea,.form-grid select{border:1px solid #ccd7e5;border-radius:8px;padding:9px;font:inherit;font-size:11px;background:#fff}.form-grid input,.form-grid select{height:38px}.form-grid .span-2{grid-column:1/-1}.empty-state{padding:30px;text-align:center;color:var(--muted)}
@media(max-width:1250px){.filterbar,.product-filterbar{grid-template-columns:repeat(5,minmax(0,1fr))}.decision-grid{grid-template-columns:1fr}}
@media(max-width:760px){.compact-filterbar{grid-template-columns:repeat(2,minmax(0,1fr))}.decision-summary{grid-template-columns:1fr}.decision-update-form{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:auto}}

/* v0.1.4 SKU economics, purchasing and warehouse performance */
.compact-wide{grid-template-columns:1fr .8fr .8fr 1.15fr 1.15fr auto;max-width:920px}
.link-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.sku-head{align-items:center}.product-meta{display:flex;gap:8px;flex-wrap:wrap;margin:-5px 0 14px}.product-meta span{display:flex;gap:7px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 9px;font-size:9px;color:#5f6f84}.product-meta b{font-size:8px;text-transform:uppercase;letter-spacing:.06em;color:#8290a1}
.mini-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:9px;overflow:hidden}.mini-list>div{background:#fff;padding:14px;display:flex;flex-direction:column;gap:5px}.mini-list span{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.mini-list strong{font-size:18px;letter-spacing:-.02em}
#inboundPanel{margin-bottom:14px}.sku-head .btn{min-width:96px}.warehouse-note{font-size:10px;color:var(--muted)}
@media(max-width:980px){.compact-wide{grid-template-columns:repeat(3,minmax(0,1fr));max-width:none}.mini-list{grid-template-columns:1fr}}
@media(max-width:760px){.compact-wide{grid-template-columns:repeat(2,minmax(0,1fr))}.sku-head{align-items:flex-start}.sku-head .btn{margin-top:4px}}

/* v0.1.9 presentation clean-up: pagination, help and metric formula tooltips */
.table-pagination{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 14px 12px;border-top:1px solid var(--line);background:#fbfcfe;color:#6b7a8e;font-size:10px}
.table-pagination>div{display:flex;align-items:center;gap:9px}.table-page-btn{height:30px;border:1px solid #ccd7e5;border-radius:7px;background:#fff;color:#344154;padding:0 10px;font:inherit;font-size:10px;font-weight:700;cursor:pointer}.table-page-btn:disabled{opacity:.4;cursor:default}.table-page-number{min-width:78px;text-align:center;color:#59697d;font-weight:700}
.metric-help-target{cursor:help;text-decoration-line:underline;text-decoration-style:dotted;text-decoration-color:#a7b4c5;text-underline-offset:3px;text-decoration-thickness:1px;outline:none}.metric-help-target:focus{border-radius:4px;box-shadow:0 0 0 3px rgba(20,120,234,.10)}
.metric-help-tooltip{position:fixed;z-index:500;display:none;background:#111827;color:#fff;border-radius:10px;padding:12px 13px;box-shadow:0 14px 38px rgba(15,23,42,.28);font-size:10px;line-height:1.45;pointer-events:none}.metric-help-tooltip.show{display:block}.metric-help-tooltip strong{display:block;font-size:12px;margin-bottom:4px}.metric-help-tooltip p{margin:0 0 8px;color:#dbe4f0}.metric-help-tooltip div{border-top:1px solid rgba(255,255,255,.13);padding-top:7px;color:#eef4fb}.metric-help-tooltip div span{display:block;text-transform:uppercase;letter-spacing:.08em;color:#8fa1b7;font-size:8px;font-weight:800;margin-bottom:2px}
.help-intro-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:14px}.help-intro-card{padding:18px}.help-intro-card h2{font-size:17px;margin:5px 0 7px}.help-intro-card p{font-size:11px;line-height:1.6;color:#536378;margin:0}.help-section{margin-bottom:14px}.help-section-intro{font-size:10px;color:var(--muted);margin:6px 0 0}.help-page-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:9px;overflow:hidden}.help-page-grid>div{background:#fff;padding:14px}.help-page-grid strong{font-size:11px}.help-page-grid p{font-size:10px;line-height:1.5;color:#64748b;margin:5px 0 0}.help-formula-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.help-formula-card{border:1px solid var(--line);border-radius:9px;padding:14px;background:#fbfcfe}.help-formula-card h3{font-size:12px;margin:0 0 6px}.help-formula-card p{font-size:10px;line-height:1.5;color:#617186;margin:0 0 10px}.formula{border-top:1px solid var(--line);padding-top:9px}.formula span{display:block;font-size:8px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#8594a7;margin-bottom:4px}.formula code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:9px;line-height:1.5;color:#25364b;white-space:normal}.help-notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.help-notes p{margin:0;padding:13px 14px;border:1px solid var(--line);border-radius:9px;background:#fbfcfe;color:#596a7f;font-size:10px;line-height:1.55}.help-notes strong{color:#1d2939}
@media(max-width:1100px){.help-intro-grid,.help-formula-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.help-page-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.table-pagination{align-items:flex-start;flex-direction:column}.help-intro-grid,.help-formula-grid,.help-page-grid,.help-notes{grid-template-columns:1fr}}

/* v0.1.12 authentication and production hardening */
.user-identity{display:flex;flex-direction:column;line-height:1.12}.user-identity strong{font-size:13px}.user-identity span{font-size:10px;color:var(--muted);margin-top:3px}
.logout-form{margin:0}.signout-btn{height:29px;border:1px solid var(--line);border-radius:7px;background:#fff;color:#55657a;padding:0 9px;font:inherit;font-size:9px;font-weight:750;cursor:pointer}.signout-btn:hover{background:#f7f9fc;color:#1d2939}
.auth-page{background:#eef3f9;display:grid;min-height:100vh;place-items:center}.auth-page main{padding:24px;width:100%;max-width:none;margin:0}.auth-shell{display:grid;place-items:center}.auth-card{width:min(430px,100%);padding:34px;text-align:center}.auth-mark{margin:0 auto 20px;width:42px;height:42px;border-radius:11px}.auth-card h1{font-size:28px;letter-spacing:-.04em;margin:6px 0 10px}.auth-card p{color:#607087;font-size:12px;line-height:1.6;margin:0 auto 22px;max-width:350px}.auth-button{display:inline-flex;align-items:center;justify-content:center;min-width:190px;text-decoration:none}.auth-note{border-top:1px solid var(--line);margin-top:26px;padding-top:16px;color:#7a8899;font-size:9px;line-height:1.5}
@media(max-width:760px){.user-identity{display:none}.signout-btn{padding:0 7px}}