:root{
  --ink:#17343a;--muted:#6c7c80;--line:#dfe7e8;--bg:#f4f7f7;--panel:#fff;
  --brand:#0f3d46;--brand2:#1a6672;--accent:#c89942;--soft:#eaf2f3;
  --danger:#a63d40;--success:#2f7a5a;--shadow:0 10px 28px rgba(19,55,62,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
body{margin:0;background:var(--bg);min-height:100vh}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 28px;position:sticky;top:0;z-index:20}
.brand{display:flex;gap:12px;align-items:center}
.brand>div:last-child{display:flex;flex-direction:column;line-height:1.15}
.brand span{font-size:12px;color:var(--muted);margin-top:4px}
.brand-mark{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;letter-spacing:.04em;box-shadow:var(--shadow)}
.brand-mark.small{width:42px;height:42px;border-radius:13px}
.main-nav{display:flex;background:var(--soft);padding:4px;border-radius:12px;gap:3px}
.nav-link{border:0;background:transparent;color:var(--muted);padding:10px 16px;border-radius:9px;font-weight:700}
.nav-link.active{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(15,61,70,.08)}
.user-area{justify-self:end;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.user-area a{color:var(--brand);text-decoration:none;font-weight:700}
.app-shell{max-width:1480px;margin:0 auto;padding:30px}
.view{display:none}.view.active{display:block}
.page-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px}
.page-heading h1{font-size:30px;margin:4px 0 5px;letter-spacing:-.025em}
.page-heading p{margin:0;color:var(--muted)}
.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:900;color:var(--accent)}
.base-chip,.period-control{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 13px;font-size:12px;color:var(--muted);box-shadow:0 3px 10px rgba(15,61,70,.03)}
.period-control{display:flex;align-items:center;gap:8px}
.period-control select{border:0;background:transparent;color:var(--brand);font-weight:800;outline:0}
.builder-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(360px,.85fr);gap:20px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.list-panel{position:sticky;top:92px;max-height:calc(100vh - 115px);display:flex;flex-direction:column}
.search-box{display:flex;align-items:center;border:2px solid #cfdcde;border-radius:14px;background:#fff;transition:.15s}
.search-box:focus-within{border-color:var(--brand2);box-shadow:0 0 0 4px rgba(26,102,114,.08)}
.search-icon{font-size:25px;color:var(--brand2);padding-left:15px;line-height:1}
.search-box input{flex:1;border:0;outline:0;padding:16px 12px;font-size:17px;color:var(--ink);background:transparent}
.icon-btn{border:0;background:transparent;font-size:24px;color:#93a4a8;padding:8px 14px}
.search-tools{display:flex;justify-content:space-between;gap:10px;margin-top:10px}
.search-tools select{border:1px solid var(--line);border-radius:10px;background:#fff;padding:9px 10px;color:var(--ink)}
.btn{border:1px solid transparent;border-radius:11px;padding:11px 15px;font-weight:800;transition:.15s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--brand);color:#fff}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn.danger-ghost{background:#fff;border-color:#ead5d6;color:var(--danger)}
.btn.wide{width:100%}
.result-header{display:flex;justify-content:space-between;align-items:center;margin:22px 2px 10px}
.result-header span{font-size:12px;color:var(--muted)}
.results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.product-card{border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:8px;min-height:154px;transition:.15s;background:#fff}
.product-card:hover{border-color:#b8cdd1;box-shadow:0 6px 18px rgba(15,61,70,.07)}
.product-top{display:flex;justify-content:space-between;gap:10px}
.product-title{font-weight:850;line-height:1.25}
.brand-tag{font-size:11px;background:var(--soft);color:var(--brand);padding:4px 7px;border-radius:999px;white-space:nowrap;height:max-content;font-weight:800}
.product-meta{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:5px 10px}
.product-meta b{color:#4d6267}
.product-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px}
.habit{font-size:11px;color:var(--muted)}
.add-btn{border:0;border-radius:9px;background:var(--brand);color:#fff;padding:8px 11px;font-weight:850}
.list-head{display:flex;justify-content:space-between;align-items:flex-end;padding-bottom:12px;border-bottom:1px solid var(--line)}
.list-head h2{margin:2px 0 0}
.count-pill{background:var(--soft);color:var(--brand);padding:6px 9px;border-radius:999px;font-size:12px;font-weight:800}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted);padding:48px 15px}
.empty-state strong{color:var(--ink);margin:8px 0 3px}
.empty-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;background:var(--soft);color:var(--brand);font-weight:900}
.cart-items{overflow:auto;padding-right:3px}
.cart-row{padding:14px 0;border-bottom:1px solid var(--line)}
.cart-row-main{display:flex;justify-content:space-between;gap:12px}
.cart-row-title{font-weight:800;line-height:1.25}
.cart-row-sub{font-size:12px;color:var(--muted);margin-top:3px}
.remove-btn{border:0;background:transparent;color:#9c6c6d;font-size:18px}
.cart-controls{display:flex;align-items:center;justify-content:space-between;margin-top:10px;gap:10px}
.qty-control{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.qty-control button{width:34px;height:34px;border:0;background:#f6f9f9;color:var(--brand);font-weight:900;font-size:17px}
.qty-control input{width:50px;height:34px;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-weight:850;outline:0}
.item-note{flex:1;border:1px solid var(--line);border-radius:9px;padding:8px 9px;font-size:12px;min-width:0}
.list-notes{margin-top:12px}
.list-notes label{font-size:12px;color:var(--muted);font-weight:700}
.list-notes textarea{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:10px;padding:9px;resize:vertical;outline:0}
.list-actions{display:flex;justify-content:space-between;gap:10px;padding-top:14px;margin-top:12px;border-top:1px solid var(--line)}
.list-actions .primary{flex:1}
.kpi-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;box-shadow:0 6px 18px rgba(15,61,70,.05)}
.kpi span{font-size:11px;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.kpi strong{display:block;font-size:24px;margin:7px 0 3px;letter-spacing:-.02em}
.kpi small{color:var(--muted)}
.intel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.intel-grid .wide{grid-column:span 2}
.panel-title{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:15px}
.panel-title h2{margin:2px 0 0;font-size:19px}
.chart-box{height:260px}
.chart-box svg{width:100%;height:100%;overflow:visible}
.axis-label{font-size:10px;fill:#7d8d90}
.line-path{fill:none;stroke:var(--brand2);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.area-path{fill:rgba(26,102,114,.08)}
.dot{fill:#fff;stroke:var(--brand2);stroke-width:2}
.bar-list{display:flex;flex-direction:column;gap:11px}
.bar-row{cursor:pointer}
.bar-head{display:flex;justify-content:space-between;gap:12px;font-size:12px;margin-bottom:5px}
.bar-head b{font-weight:800}
.bar-track{height:8px;background:#edf2f3;border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:999px}
.bar-row.active .bar-head b{color:var(--brand2)}
.table-wrap{overflow:auto}
.data-table{width:100%;border-collapse:collapse;font-size:12px}
.data-table th{text-align:left;padding:8px 10px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line)}
.data-table td{padding:10px;border-bottom:1px solid #edf1f2}
.data-table tr:last-child td{border-bottom:0}
.supplier-detail{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.detail-stat{background:#f7f9f9;border-radius:12px;padding:12px}
.detail-stat span{font-size:10px;color:var(--muted);text-transform:uppercase;font-weight:800}
.detail-stat strong{display:block;margin-top:4px}
.detail-top{grid-column:1/-1;border-top:1px solid var(--line);padding-top:11px;margin-top:2px}
.detail-top h3{font-size:12px;margin:0 0 7px;color:var(--muted)}
.detail-top ol{margin:0;padding-left:20px;font-size:12px}
.recent-list{display:flex;flex-direction:column}
.recent-row{display:grid;grid-template-columns:76px 1fr auto;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);align-items:center}
.recent-row:last-child{border-bottom:0}
.recent-row time{font-size:11px;color:var(--muted)}
.recent-row b{font-size:12px}
.recent-row strong{font-size:12px;color:var(--brand)}
.sync-panel{display:flex;align-items:center;justify-content:space-between;gap:30px}
.sync-panel p{margin:6px 0 0;color:var(--muted);font-size:13px}
.base-stats{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.base-stat{padding:10px 12px;background:var(--soft);border-radius:11px;text-align:center;min-width:105px}
.base-stat strong{display:block;font-size:18px}.base-stat span{font-size:10px;color:var(--muted)}
.toast{position:fixed;right:24px;bottom:24px;background:#17343a;color:#fff;padding:12px 15px;border-radius:11px;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s;z-index:50}
.toast.show{opacity:1;transform:none}
.auth-page{display:grid;place-items:center;min-height:100vh;padding:24px;background:radial-gradient(circle at 20% 20%,#e9f1f2 0,transparent 38%),var(--bg)}
.auth-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow)}
.auth-card .brand-mark{margin:0 auto 18px}
.auth-card h1{text-align:center;margin:0 0 8px}.auth-card>p{text-align:center;color:var(--muted);margin:0 0 22px}
.auth-form{display:flex;flex-direction:column;gap:12px}
.auth-form label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted);font-weight:750}
.auth-form input{border:1px solid var(--line);border-radius:11px;padding:12px;outline:0}
.auth-form input:focus{border-color:var(--brand2);box-shadow:0 0 0 3px rgba(26,102,114,.08)}
.alert{padding:10px 12px;border-radius:10px;font-size:12px;margin-bottom:14px}.alert.error{background:#fbefef;color:#8f3538}.alert.success{background:#eaf6ef;color:#286749}
.auth-note{font-size:11px;color:var(--muted);text-align:center;margin-top:14px}
.print-sheet{display:none}
.modal-backdrop{position:fixed;inset:0;background:rgba(11,34,40,.45);display:grid;place-items:center;z-index:100}
.modal{width:min(480px,calc(100% - 32px));background:#fff;border-radius:18px;padding:20px;box-shadow:0 24px 60px rgba(0,0,0,.18)}
.modal h3{margin:0 0 6px}.modal p{margin:0 0 14px;color:var(--muted);font-size:13px}
.modal input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;margin-bottom:12px}
.modal-actions{display:flex;justify-content:flex-end;gap:8px}
@media(max-width:1050px){
  .topbar{grid-template-columns:1fr auto}.main-nav{order:3;grid-column:1/-1;margin:8px auto 10px}.topbar{height:auto;padding-top:10px;padding-bottom:8px}
  .user-area{grid-column:2}.builder-grid{grid-template-columns:1fr}.list-panel{position:static;max-height:none}
  .results{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}.intel-grid{grid-template-columns:1fr}.intel-grid .wide{grid-column:span 1}
}
@media print{
  @page{size:A4;margin:14mm}
  body{background:#fff}
  .no-print{display:none!important}
  .print-sheet{display:block!important;color:#111;font-family:Arial,sans-serif}
  .print-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px solid #17343a;padding-bottom:10px;margin-bottom:14px}
  .print-head h1{font-size:20px;margin:0 0 4px}.print-head p{font-size:11px;margin:0;color:#555}
  .print-date{text-align:right;font-size:11px}
  .print-table{width:100%;border-collapse:collapse;font-size:11px}
  .print-table th,.print-table td{border:1px solid #bbb;padding:7px;text-align:left;vertical-align:top}
  .print-table th{background:#f0f0f0}
  .print-table .qty{text-align:center;width:46px;font-size:13px;font-weight:bold}
  .print-note{margin-top:12px;border:1px solid #bbb;padding:9px;font-size:11px}
  .print-footer{margin-top:14px;font-size:9px;color:#777;text-align:center}
}