:root{--bg:#f4f7fb;--card:#fff;--text:#1d2939;--muted:#667085;--line:#dfe5ec;--navy:#17324d;--blue:#2f6fed;--green:#27875b;--amber:#b86f0d;--red:#b33f3f}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--text);margin:0;font-family:Inter,Segoe UI,Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.shell{grid-template-columns:240px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{background:linear-gradient(180deg,var(--navy),#102638);color:#fff;padding:22px 16px}.brand{align-items:center;gap:10px;margin-bottom:28px;display:flex}.brand-mark{width:42px;height:42px;color:var(--navy);background:#fff;border-radius:12px;place-items:center;font-weight:900;display:grid}.nav{gap:5px;display:grid}.nav a{color:#dbe6ef;border-radius:9px;padding:11px 12px}.nav a:hover{color:#fff;background:#ffffff1a}.main{min-width:0;padding:24px 28px 44px}.topbar{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px;display:flex}h1,h2,h3{margin-top:0}.subtitle{color:var(--muted);margin-top:-10px}.grid{gap:14px;display:grid}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:17px}.metric-label{color:var(--muted);font-size:13px}.metric-value{margin-top:9px;font-size:27px;font-weight:850}.table-card{background:var(--card);border:1px solid var(--line);border-radius:15px;overflow:hidden}.table-head{border-bottom:1px solid var(--line);padding:16px 18px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:12px 13px;font-size:13px}th{color:var(--muted);white-space:nowrap;background:#fafbfd;font-size:12px}.badge{background:#edf1f5;border-radius:999px;padding:5px 8px;font-size:11px;font-weight:800;display:inline-flex}.badge-blue{color:var(--blue);background:#e8efff}.badge-green{color:var(--green);background:#e7f7ef}.badge-amber{color:var(--amber);background:#fff2dc}.badge-red{color:var(--red);background:#fde9e9}.button{cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;padding:10px 14px;font-weight:750;display:inline-flex}.button-primary{background:var(--blue);color:#fff}.button-secondary{color:var(--text);border:1px solid var(--line);background:#fff}.button-danger{color:var(--red);background:#fde9e9}.form{gap:13px;display:grid}.field{gap:6px;display:grid}.field label{color:var(--muted);font-size:12px;font-weight:750}.field input,.field textarea,.field select{border:1px solid var(--line);background:#fff;border-radius:9px;width:100%;padding:10px 11px}.field textarea{min-height:85px}.login-page{place-items:center;min-height:100vh;padding:20px;display:grid}.login-card{border:1px solid var(--line);background:#fff;border-radius:18px;width:min(440px,100%);padding:25px}.notice{color:#725418;background:#fff8e8;border:1px solid #efcf8d;border-radius:11px;margin-bottom:16px;padding:11px 13px;font-size:13px}.sealed{background:#f1f6fc;border:1px solid #b8c7dc;border-radius:13px;padding:14px}.actions{flex-wrap:wrap;gap:9px;display:flex}.muted{color:var(--muted)}.mono{overflow-wrap:anywhere;font-family:Consolas,monospace;font-size:11px}.offer-grid{gap:12px;display:grid}.offer-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(210px,1.6fr) 130px 130px minmax(170px,1fr);align-items:end;gap:10px;padding-bottom:12px;display:grid}.comparison{gap:10px;display:grid}.comparison-line{border:1px solid var(--line);border-radius:10px;padding:11px}.error{color:#8d2929;background:#fff3f3;border-color:#e7b0b0}.success{color:#246e4b;background:#f1faf5;border-color:#b6d9c5}@media (max-width:900px){.shell,.grid-4,.grid-2,.offer-row{grid-template-columns:1fr}.main{padding:18px}}.toolbar{justify-content:space-between;align-items:center;gap:16px;display:flex}.form-wide{max-width:920px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;display:grid}.span-2{grid-column:span 2}.status-summary{margin-bottom:0}.empty-state{color:var(--muted);place-items:start;gap:5px;padding:24px;display:grid}.invite-card{background:#f5f8fd;border-color:#9bb6df}.link-box{overflow-wrap:anywhere;-webkit-user-select:all;user-select:all;background:#fff;border:1px dashed #8da7ca;border-radius:10px;padding:13px;font-family:Consolas,monospace}.details{grid-template-columns:140px 1fr;gap:8px 12px;margin:0;display:grid}.details dt{color:var(--muted)}.details dd{margin:0;font-weight:650}.list-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:11px 0;display:flex}.list-row:last-child{border-bottom:0}.registration-card{width:min(560px,100%)}.check-line{align-items:flex-start;gap:9px;display:flex}.item-builder{gap:14px;padding:16px;display:grid}.item-card{border:1px solid var(--line);background:#fbfcfe;border-radius:13px;padding:15px}.item-card-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.button-small{padding:7px 10px;font-size:12px}.location-grid{grid-template-columns:repeat(5,minmax(145px,1fr));gap:10px;margin-top:13px;display:grid}.location-grid label{min-height:30px}.item-total{text-align:right;color:var(--muted);margin-top:12px}.supplier-select{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.checkbox-card{border:1px solid var(--line);cursor:pointer;border-radius:11px;align-items:flex-start;gap:10px;padding:12px;display:flex}.checkbox-card:has(input:checked){border-color:var(--blue);background:#f3f7ff}.checkbox-card span{gap:3px;display:grid}.checkbox-card small{color:var(--muted)}.supplier-chips{flex-wrap:wrap;gap:8px;display:flex}@media (max-width:1100px){.location-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:700px){.form-grid,.supplier-select,.location-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.toolbar{flex-direction:column;align-items:flex-start}.details{grid-template-columns:1fr}.topbar{flex-direction:column}}