:root{
  --bg:#f4f6f8; --card:#fff; --text:#1f2937; --muted:#6b7280; --line:#e5e7eb;
  --accent:#2563eb; --danger:#dc2626; --warn:#d97706; --ok:#15803d; --dark:#111827;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.topbar{position:sticky;top:0;z-index:20;background:var(--dark);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:800;font-size:18px}.subtitle{font-size:12px;color:#cbd5e1}
.top-actions{display:flex;gap:8px}.top-actions input{max-width:210px;border:0;border-radius:10px;padding:9px 11px}
main{max-width:1100px;margin:0 auto;padding:16px 16px 90px}
.view{display:none}.view.active{display:block}
h1{font-size:24px;margin:4px 0 16px} h2{font-size:18px;margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.kpi b{font-size:28px;display:block;margin-top:5px}
.muted{color:var(--muted);font-size:13px}
.section{margin-top:18px}.list{display:flex;flex-direction:column;gap:10px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px}
.row-main{min-width:0;flex:1}.row-title{font-weight:700}.row-meta{font-size:13px;color:var(--muted);margin-top:3px}
.badge{display:inline-block;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:700;background:#e5e7eb;white-space:nowrap}
.badge.red{background:#fee2e2;color:#991b1b}.badge.orange{background:#ffedd5;color:#9a3412}.badge.green{background:#dcfce7;color:#166534}.badge.blue{background:#dbeafe;color:#1e40af}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn{border:0;border-radius:10px;padding:9px 12px;background:#e5e7eb;color:#111827}
.btn.primary{background:var(--accent);color:#fff}.btn.danger{background:#fee2e2;color:#991b1b}.btn.small{padding:6px 9px;font-size:13px}
.toolbar{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}.toolbar h1{margin:0}.toolbar input{flex:1;max-width:340px}
input,select,textarea{width:100%;border:1px solid #d1d5db;background:#fff;border-radius:10px;padding:10px}
textarea{min-height:78px;resize:vertical}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form-grid .full{grid-column:1/-1}
label{font-size:13px;font-weight:700;display:block;margin:2px 0 5px}
.days{display:flex;gap:6px;flex-wrap:wrap}.day{border:1px solid #d1d5db;border-radius:8px;padding:6px 8px;background:#fff}.day.active{background:#111827;color:#fff}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:flex-end;justify-content:center;z-index:50}
.modal-bg.show{display:flex}.modal{background:#fff;width:min(760px,100%);max-height:94vh;overflow:auto;border-radius:20px 20px 0 0;padding:18px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal-head h2{margin:0}.x{border:0;background:none;font-size:24px}
.bottom{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);z-index:30}
.nav{border:0;background:#fff;padding:10px 4px;font-size:12px;color:#6b7280}.nav span{display:block;font-size:20px}.nav.active{color:#111827;font-weight:700}
.empty{padding:20px;text-align:center;color:var(--muted);background:#fff;border:1px dashed #d1d5db;border-radius:14px}
.order-items{display:flex;flex-direction:column;gap:8px}.order-item{display:grid;grid-template-columns:1fr 90px 42px;gap:8px;align-items:center;padding:7px 0;border-bottom:1px solid #f1f5f9}
.receive-item{display:grid;grid-template-columns:1fr 100px 140px;gap:8px;align-items:end;padding:10px 0;border-bottom:1px solid var(--line)}
.fab{position:fixed;right:18px;bottom:78px;width:52px;height:52px;border-radius:50%;border:0;background:var(--accent);color:#fff;font-size:28px;box-shadow:0 6px 20px rgba(37,99,235,.35);z-index:35}
.price-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.price-table{width:100%;border-collapse:collapse;min-width:680px}
.price-table th,.price-table td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:top}
.price-table th{position:sticky;top:0;background:#f3f4f6;font-weight:800;z-index:1}
.price-num{text-align:right!important;white-space:nowrap}
.import-preview{max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:12px}
.import-preview table{width:100%;border-collapse:collapse;min-width:600px}
.import-preview th,.import-preview td{border-bottom:1px solid var(--line);padding:7px 8px;font-size:12px;text-align:left}
.mapping-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.notice{padding:10px 12px;border-radius:12px;background:#eff6ff;color:#1e3a8a;font-size:13px;margin:10px 0}
.notice.error{background:#fee2e2;color:#991b1b}
.checkline{display:flex;align-items:center;gap:8px;font-size:14px}.checkline input{width:auto}
.total{font-weight:800;font-size:14px;white-space:nowrap}
@media(max-width:760px){
  .grid{grid-template-columns:1fr 1fr}
  .top-actions input{max-width:145px}
  .form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:1}
  .mapping-grid{grid-template-columns:1fr}
  .receive-item{grid-template-columns:1fr 88px}.receive-item .expiry{grid-column:1/-1}
  .row{align-items:flex-start}.actions{justify-content:flex-end}
  .order-item{grid-template-columns:1fr 80px 38px}
}

.bell-btn{position:relative;border:0;background:#374151;color:#fff;width:40px;height:40px;border-radius:10px;font-size:19px}
.bell-count{position:absolute;right:-5px;top:-6px;min-width:19px;height:19px;padding:1px 5px;border-radius:999px;background:#dc2626;color:#fff;font-size:11px;font-weight:800;line-height:17px}
.settings-section{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px;margin-top:10px}
.settings-section h3{font-size:15px;margin:0 0 10px}
.setting-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:9px 0;border-bottom:1px solid #f1f5f9}
.setting-row:last-child{border-bottom:0}
.setting-control{min-width:100px;max-width:170px}
.toggle{width:auto;transform:scale(1.15)}
.device-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line)}
.notification-item{padding:11px 0;border-bottom:1px solid var(--line)}
.notification-item:last-child{border-bottom:0}
.notification-title{font-weight:800;font-size:14px}
.notification-time{font-size:12px;color:var(--muted);margin-top:3px}
.notification-unread{border-left:4px solid var(--accent);padding-left:10px}
.secure-warning{padding:12px;border-radius:12px;background:#fff7ed;color:#9a3412;font-size:13px;margin:10px 0}
.secure-ok{padding:12px;border-radius:12px;background:#ecfdf5;color:#166534;font-size:13px;margin:10px 0}
@media(max-width:760px){.setting-row{grid-template-columns:1fr}.setting-control{max-width:none}.bell-btn{flex:0 0 40px}}