:root{
  --navy:#1E293B; --navy2:#334155; --teal:#0D9488; --teal-light:#CCFBF1;
  --amber:#F59E0B; --amber-light:#FEF3C7; --red:#EF4444; --red-light:#FEE2E2;
  --green:#16A34A; --green-light:#DCFCE7; --bg:#F8FAFC; --border:#E2E8F0;
  --text:#334155; --muted:#94A3B8; --heading:#1E293B;
  --surface:#FFFFFF; --surface-2:#F8FAFC; --surface-hover:#FAFCFF;
  --text-soft:#475569; --label:#64748B;
}
:root[data-theme="dark"]{
  --bg:#0F172A; --border:#334155;
  --text:#CBD5E1; --muted:#94A3B8; --heading:#F1F5F9;
  --surface:#1E293B; --surface-2:#243044; --surface-hover:#243044;
  --text-soft:#94A3B8; --label:#94A3B8;
  --amber-light:#3F2E12; --red-light:#3F1D1D; --green-light:#123A24; --teal-light:#0F3B37;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F172A; --border:#334155;
    --text:#CBD5E1; --muted:#94A3B8; --heading:#F1F5F9;
    --surface:#1E293B; --surface-2:#243044; --surface-hover:#243044;
    --text-soft:#94A3B8; --label:#94A3B8;
    --amber-light:#3F2E12; --red-light:#3F1D1D; --green-light:#123A24; --teal-light:#0F3B37;
  }
}
*{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--bg);color:var(--text);font-family:'Inter','Segoe UI',system-ui,sans-serif;font-size:14.5px;line-height:1.5;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;}

/* ---- login ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--navy),#0f172a);padding:20px;}
.login-card{background:var(--surface);border-radius:14px;padding:36px 32px;width:100%;max-width:340px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3);}
.login-logo{width:48px;height:48px;border-radius:12px;background:var(--teal);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;}
.login-card h1{font-size:17px;color:var(--heading);margin-bottom:2px;}
.login-card p.sub{font-size:12px;color:var(--muted);margin-bottom:22px;}
.field{text-align:left;margin-bottom:4px;}
.field label{font-size:11px;font-weight:700;color:var(--label);display:block;margin-bottom:3px;}
.field input,.field select,.field textarea{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:13.5px;font-family:inherit;color:var(--heading);}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--teal);outline-offset:0;border-color:var(--teal);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--teal);color:#fff;font-weight:700;font-size:13px;border:1px solid #0b7970;border-radius:8px;padding:10px 16px;cursor:pointer;box-shadow:0 1px 2px rgba(15,23,42,.08);transition:background-color .15s ease,box-shadow .15s ease,transform .1s ease,border-color .15s ease;}
.btn:hover{background-color:#0c857a;border-color:#095e57;box-shadow:0 6px 16px rgba(13,148,136,.3);transform:translateY(-1px);}
.btn:active{background-color:#0b7970;box-shadow:0 1px 2px rgba(13,148,136,.25);transform:translateY(0);}
.btn:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none;}
.btn.full{width:100%;padding:11px;}
.btn.secondary{background:var(--surface);color:var(--heading);border:1px solid var(--border);box-shadow:0 1px 2px rgba(15,23,42,.04);}
.btn.secondary:hover{background:var(--surface-hover);border-color:var(--teal);box-shadow:0 4px 12px rgba(15,23,42,.08);transform:translateY(-1px);}
.btn.secondary:active{background:var(--surface-2);box-shadow:0 1px 2px rgba(15,23,42,.06);transform:translateY(0);}
.btn.secondary:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.btn.danger{background:var(--red);border:1px solid #c53030;box-shadow:0 1px 2px rgba(239,68,68,.15);}
.btn.danger:hover{background-color:#dc3737;border-color:#a82a2a;box-shadow:0 6px 16px rgba(239,68,68,.32);}
.btn.danger:active{background-color:#c53030;box-shadow:0 1px 2px rgba(239,68,68,.25);}
.btn.danger:focus-visible{outline:2px solid var(--red);outline-offset:2px;}
.error-msg{background:var(--red-light);color:#b91c1c;font-size:12.5px;padding:9px 12px;border-radius:8px;margin-bottom:14px;text-align:left;}
.ok-msg{background:var(--green-light);color:#166534;font-size:12.5px;padding:9px 12px;border-radius:8px;margin-bottom:14px;text-align:left;}

/* ---- app shell ---- */
.app{display:flex;min-height:100vh;}
.sidebar{width:210px;background:var(--navy);flex-shrink:0;padding:16px 12px;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;transition:transform .2s;z-index:50;}
.sidebar .brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:800;font-size:13px;padding:8px 8px 18px;}
.sidebar .brand .dot{width:24px;height:24px;border-radius:6px;background:var(--teal);display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0;}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:8px;color:#94a3b8;font-size:13px;font-weight:600;margin-bottom:2px;}
.nav-item svg{width:16px;height:16px;flex-shrink:0;}
.nav-item:hover{color:#e2e8f0;}
.nav-item.active{background:rgba(13,148,136,.2);color:#5eead4;}
.sidebar-close{display:none;}
.main{flex:1;margin-left:210px;min-width:0;display:flex;flex-direction:column;}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 22px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;}
.topbar .title{font-size:16px;font-weight:800;color:var(--heading);}
.topbar .sub{font-size:11.5px;color:var(--muted);}
.topbar-right{display:flex;align-items:center;gap:14px;}
.avatar{width:30px;height:30px;border-radius:50%;background:#F97316;color:#1a1a1a;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.hamburger{display:none;background:none;border:none;font-size:20px;color:var(--heading);cursor:pointer;width:34px;height:34px;border-radius:8px;transition:background-color .15s ease;}
.hamburger:hover{background:var(--surface-2);}
.hamburger:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.theme-toggle{background:var(--surface-2);border:1px solid var(--border);color:var(--heading);width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .15s ease,border-color .15s ease,transform .1s ease;}
.theme-toggle:hover{background:var(--surface-hover);border-color:var(--teal);transform:translateY(-1px);}
.theme-toggle:active{transform:translateY(0);}
.theme-toggle:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.theme-toggle svg{width:16px;height:16px;}
.theme-toggle .icon-sun{display:none;}
:root[data-theme="dark"] .theme-toggle .icon-moon{display:none;}
:root[data-theme="dark"] .theme-toggle .icon-sun{display:block;}
.content{padding:20px 22px 60px;flex:1;}

/* ---- kpi cards ---- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px;}
.kpi-card{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--teal);border-radius:10px;padding:14px 16px;}
.kpi-card.amber{border-left-color:var(--amber);}
.kpi-card.red{border-left-color:var(--red);}
.kpi-card.navy{border-left-color:var(--navy);}
.kpi-label{font-size:10px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px;}
.kpi-val{font-size:21px;font-weight:800;color:var(--heading);}

.panel{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:18px;}
.panel-title{font-size:13px;font-weight:800;color:var(--heading);margin-bottom:12px;}
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:12px;color:var(--text-soft);}
.bar-row .lbl{width:130px;flex-shrink:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.bar-track{flex:1;height:8px;background:var(--surface-2);border-radius:4px;overflow:hidden;}
.bar-fill{height:100%;background:var(--teal);border-radius:4px;}
.trend-bar{fill:var(--teal);}
.trend-bar:hover{fill:var(--navy2);}
.bar-row .amt{width:70px;text-align:right;flex-shrink:0;}

/* ---- toolbar / forms ---- */
.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center;}
.search-box{flex:1;min-width:180px;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:13px;color:var(--text);}
/* ---- product picker (searchable, shows photo) ---- */
.product-picker{position:relative;}
.pp-search{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:13.5px;font-family:inherit;color:var(--heading);}
.pp-search:focus{outline:2px solid var(--teal);outline-offset:0;border-color:var(--teal);}
.pp-panel{display:none;position:fixed;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(15,23,42,.35);max-height:260px;overflow-y:auto;z-index:160;}
.pp-panel.open{display:block;}
.pp-item{display:flex;align-items:center;gap:10px;padding:8px 10px;cursor:pointer;}
.pp-item:hover,.pp-item.pp-active{background:var(--surface-hover);}
.pp-item.pp-hidden{display:none;}
.pp-item .thumb{width:30px;height:30px;font-size:9px;}
.pp-item-text{min-width:0;flex:1;}
.pp-item-name{font-size:12.5px;font-weight:600;color:var(--heading);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pp-item-meta{font-size:10.5px;color:var(--muted);}
.pp-empty{padding:14px 12px;font-size:12px;color:var(--muted);text-align:center;}

.tabs{display:inline-flex;background:var(--surface-2);border-radius:8px;padding:3px;margin-bottom:16px;}
.tab-btn{font-size:12.5px;font-weight:700;padding:7px 16px;border-radius:6px;color:var(--label);border:none;background:none;cursor:pointer;}
.tab-btn.active{background:var(--surface);color:var(--heading);box-shadow:0 1px 3px rgba(0,0,0,.08);}

/* ---- table ---- */
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow-x:auto;}
table.data{width:100%;border-collapse:collapse;font-size:13px;min-width:640px;}
table.data th{background:var(--surface-2);color:var(--label);font-size:10.5px;text-transform:uppercase;letter-spacing:.3px;padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;}
.sort-link{cursor:pointer;}
.sort-link:hover{color:var(--heading);}
table.data td{padding:10px 12px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle;}
table.data td.price-cell{font-size:15px;font-weight:800;color:var(--heading);}
table.data tr:last-child td{border-bottom:none;}
table.data tr:hover td{background:var(--surface-hover);}
.pill{font-size:10px;font-weight:800;padding:3px 9px;border-radius:10px;white-space:nowrap;display:inline-block;}
.pill.instock,.pill.paid{background:var(--green-light);color:var(--green);}
.pill.low,.pill.pending,.pill.partial{background:var(--amber-light);color:#b45309;}
.pill.out,.pill.overdue{background:var(--red-light);color:var(--red);}
.status-text{font-size:12.5px;font-weight:700;white-space:nowrap;}
.status-text.instock{color:var(--green);}
.status-text.low{color:#b45309;}
.status-text.out{color:var(--red);}
.thumb{width:36px;height:36px;border-radius:7px;object-fit:cover;background:var(--surface-2);display:inline-block;vertical-align:middle;}
.thumb.placeholder{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:10px;font-weight:700;}
.thumb-clickable{cursor:zoom-in;}

/* ---- image lightbox ---- */
.img-lightbox{display:none;position:fixed;inset:0;background:rgba(15,23,42,.85);z-index:300;align-items:center;justify-content:center;padding:40px 20px;}
.img-lightbox.open{display:flex;}
.img-lightbox img{max-width:100%;max-height:85vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.4);}
.img-lightbox-close{position:absolute;top:18px;right:22px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;width:36px;height:36px;border-radius:50%;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;}
.party-select{display:flex;gap:6px;}
.party-select select{flex:1;min-width:0;}
.party-picker{position:relative;flex:1;min-width:0;}
.qa-add-btn{white-space:nowrap;padding:0 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface-2);color:var(--teal);font-size:12px;font-weight:700;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,box-shadow .15s ease,transform .1s ease;}
.qa-add-btn:hover{background:var(--surface-hover);border-color:var(--teal);box-shadow:0 3px 8px rgba(15,23,42,.08);transform:translateY(-1px);}
.qa-add-btn:active{transform:translateY(0);box-shadow:none;}
.qa-add-btn:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.row-actions a{font-size:11.5px;font-weight:700;color:var(--teal);background:var(--surface-2);border:1px solid var(--border);padding:5px 13px;border-radius:999px;margin-right:8px;display:inline-block;line-height:1.3;transition:background-color .15s ease,border-color .15s ease,transform .1s ease;}
.row-actions a:hover{background:var(--teal-light);border-color:var(--teal);transform:translateY(-1px);}
.row-actions a:active{transform:translateY(0);}
.row-actions a:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.row-actions a.danger{color:var(--red);border-color:var(--red);}
.row-actions a.danger:hover{background:var(--red-light);border-color:var(--red);}
.row-actions a.danger:focus-visible{outline:2px solid var(--red);}
.pcard-row.row-actions{justify-content:flex-start;flex-wrap:wrap;gap:8px;}
.pcard-row.row-actions a{margin-right:0;}
.empty-state{padding:40px 20px;text-align:center;color:var(--muted);font-size:13px;}

/* ---- modal ---- */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto;z-index:100;}
.modal-backdrop.open{display:flex;}
.modal{background:var(--surface);border-radius:12px;padding:22px;width:100%;max-width:480px;}
.modal.wide{max-width:680px;}
.modal h2{font-size:16px;color:var(--heading);margin-bottom:16px;}
.modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 10px;}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px;}
.line-items{display:flex;flex-direction:column;gap:8px;margin-bottom:6px;}
.line-item-row{position:relative;display:flex;flex-direction:column;gap:10px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:14px 44px 14px 14px;}
.line-item-row .product-picker{width:100%;}
.li-fields{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;}
.li-field label{display:block;font-size:10.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:4px;}
.li-qty,.li-price{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:13.5px;font-family:inherit;color:var(--heading);}
.li-qty:focus,.li-price:focus{outline:2px solid var(--teal);outline-offset:0;border-color:var(--teal);}
.li-total-field .li-total{display:block;padding:8px 0;font-weight:800;color:var(--heading);font-size:15px;}
.li-remove{position:absolute;top:10px;right:10px;background:none;border:1px solid var(--border);color:var(--red);border-radius:8px;width:28px;height:28px;cursor:pointer;font-size:15px;line-height:1;transition:background-color .15s ease,border-color .15s ease;}
.li-remove:hover{background:var(--red-light);border-color:var(--red);}
.li-remove:focus-visible{outline:2px solid var(--red);outline-offset:2px;}
@media (max-width:480px){
  .li-fields{grid-template-columns:1fr 1fr;}
  .li-total-field{grid-column:1/-1;text-align:right;}
}
.line-items-total{display:flex;justify-content:flex-end;align-items:center;gap:10px;font-size:15px;font-weight:800;color:var(--heading);padding:10px 4px 4px;border-top:1px solid var(--border);margin-bottom:10px;}
.close-x{float:right;background:none;border:none;font-size:20px;color:var(--muted);cursor:pointer;width:30px;height:30px;border-radius:8px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background-color .15s ease,color .15s ease;}
.close-x:hover{background:var(--surface-2);color:var(--heading);}
.close-x:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}

.card-list{display:none;}
.report-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:14px;}
.report-card h3{font-size:13px;color:var(--heading);margin-bottom:4px;}
.report-card p{font-size:11.5px;color:var(--muted);margin-bottom:10px;}

/* ---- responsive ---- */
@media (max-width:860px){
  .sidebar{transform:translateX(-100%);width:230px;}
  .sidebar.open{transform:translateX(0);box-shadow:0 0 40px rgba(0,0,0,.4);}
  .main{margin-left:0;}
  .hamburger{display:block;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  table.data{display:none;}
  .table-wrap{display:none;}
  .card-list{display:block;}
  .modal{padding:18px;}
  .modal-grid{gap:6px 8px;}
  .field input,.field select,.field textarea{padding:8px;font-size:13px;}
}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:45;}
.sidebar-overlay.open{display:block;}

.pcard{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:10px;}
.pcard-top{display:flex;justify-content:space-between;align-items:center;gap:10px;}
.pcard-name{font-size:13px;font-weight:700;color:var(--heading);}
.pcard-meta{font-size:11px;color:var(--muted);margin-top:2px;}
.pcard-row{display:flex;justify-content:space-between;font-size:12px;color:var(--text-soft);margin-top:8px;}
.pcard-row.stock-row{align-items:center;}
.stock-block{display:flex;flex-direction:column;gap:3px;}
.price-text{font-size:16px;font-weight:800;color:var(--heading);}