:root{
  --bg:#f4f6fb;--card:#fff;--text:#1d2433;--muted:#6b7385;--line:#e5e8ef;
  --pri:#4f46e5;--pri-d:#4338ca;--side:#151a2d;--side-t:#aab1c7;
  --ok:#16a34a;--off:#9ca3af;--warn:#d97706;--danger:#dc2626;--r:10px;
}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--pri);text-decoration:none}
h1,h2,h3{margin:0 0 .5rem}
input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;margin-top:4px}
input:focus,select:focus{outline:2px solid #c7d2fe;border-color:var(--pri)}
input:disabled{background:#f3f4f6;color:var(--muted)}
label{display:block;margin-bottom:14px;font-weight:500}
label.check{display:flex;gap:8px;align-items:center;font-weight:400}
label.check input{width:auto;margin:0}
.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;font:inherit;font-weight:500}
.btn:hover{background:#f3f4f6}
.btn-primary{background:var(--pri);border-color:var(--pri);color:#fff}
.btn-primary:hover{background:var(--pri-d)}
.btn-danger{color:var(--danger);border-color:#fecaca}
.btn-danger:hover{background:#fef2f2}
.btn-ghost{background:transparent}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn-block{width:100%;padding:12px}
.alert{padding:11px 14px;border-radius:8px;margin-bottom:14px;border:1px solid}
.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.alert-danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}
.hint,.muted{color:var(--muted)} .hint{font-size:12.5px;display:block;margin:-6px 0 12px}
.small{font-size:12.5px}.center{text-align:center}.right{text-align:right}
.row-between{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.row-between label{margin:0}
.row-end{display:flex;justify-content:flex-end;gap:10px}
.logo{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;display:grid;place-items:center;font-weight:700}
.pw-wrap{position:relative}.pw-wrap input{padding-right:44px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-40%);border:0;background:none;cursor:pointer;font-size:16px}

/* Auth pages */
body.auth{min-height:100vh;display:grid;place-items:center;padding:16px;background:radial-gradient(circle at 20% 10%,#e0e7ff,transparent 50%),radial-gradient(circle at 90% 90%,#ede9fe,transparent 45%),var(--bg)}
.auth-card{width:100%;max-width:400px;background:var(--card);padding:32px;border-radius:16px;box-shadow:0 20px 50px rgba(30,41,59,.12)}
.auth-brand{text-align:center;margin-bottom:22px}
.auth-brand .logo{margin:0 auto 10px;width:52px;height:52px;font-size:18px}
.auth-brand p{color:var(--muted);margin:0}

/* App layout */
body.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--side);color:var(--side-t);flex-shrink:0;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;gap:10px;align-items:center;padding:20px;color:#fff;font-weight:700;font-size:17px}
.sidebar nav{padding:0 10px 20px}
.sidebar nav a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:8px;color:var(--side-t);margin-bottom:2px}
.sidebar nav a span{width:20px;text-align:center}
.sidebar nav a:hover{background:#ffffff10;color:#fff}
.sidebar nav a.active{background:var(--pri);color:#fff}
.sidebar nav a.disabled{opacity:.45;cursor:default}
.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;padding:16px 12px 6px;color:#6b7390}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:14px;padding:14px 26px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px;margin:0;flex:1}
.menu-btn{display:none;border:0;background:none;font-size:22px;cursor:pointer}
.who{display:flex;gap:10px;align-items:center}
.who small{display:block;color:var(--muted);font-size:12px;line-height:1.2}
.avatar{width:36px;height:36px;border-radius:50%;background:#e0e7ff;color:var(--pri);display:grid;place-items:center;font-weight:700}
.content{padding:26px;flex:1}
.foot{padding:14px 26px;color:var(--muted);font-size:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:20px}
.card.no-pad{padding:0;overflow:hidden}
.card h3{font-size:15px}
.welcome{margin-bottom:20px}.welcome p{color:var(--muted);margin:0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.stat small{color:var(--muted)}.stat strong{display:block;font-size:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-2 .card{margin:0}
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin-top:12px}
.module{border:1px solid var(--line);border-radius:10px;padding:18px 10px;text-align:center;font-size:24px;color:var(--text)}
.module span{display:block;font-size:13px;margin-top:6px;font-weight:500}
.module:hover{border-color:var(--pri);background:#f5f3ff}
.module.placeholder{border-style:dashed;color:var(--muted)}
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse}
.table th{background:#f9fafb;text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.table.compact td{padding:8px 4px}
.table tr:last-child td{border-bottom:0}
.actions{white-space:nowrap}.actions form{display:inline}
.trunc{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;color:#fff}
.badge.ok{background:var(--ok)}.badge.off{background:var(--off)}.badge.warn{background:var(--warn)}
.tag{display:inline-block;padding:1px 8px;border-radius:6px;background:#eef2ff;color:var(--pri);font-size:12px}
.role{font-size:12px;font-weight:600;padding:2px 9px;border-radius:6px}
.role-admin{background:#fee2e2;color:#991b1b}.role-manager{background:#fef3c7;color:#92400e}.role-user{background:#e0f2fe;color:#075985}
.toolbar{display:flex;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.filters{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.filters input,.filters select{width:auto;margin:0}.filters input{min-width:260px}
.pager{display:flex;gap:4px;margin-bottom:10px}
.pager a{padding:6px 11px;border:1px solid var(--line);border-radius:6px;background:#fff}
.pager a.active{background:var(--pri);color:#fff;border-color:var(--pri)}
.form-card{max-width:760px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-grid .full{grid-column:1/-1}
.tabs{display:flex;gap:6px;margin-bottom:14px}
.tabs a{padding:8px 16px;border-radius:8px;background:#fff;border:1px solid var(--line);color:var(--text)}
.tabs a.active{background:var(--pri);color:#fff;border-color:var(--pri)}

@media (max-width:900px){
  .sidebar{position:fixed;left:-260px;z-index:20;transition:left .2s}
  .sidebar.open{left:0}
  .menu-btn{display:block}
  .grid-2,.form-grid{grid-template-columns:1fr}
  .content{padding:16px}.topbar{padding:12px 16px}
  .who div{display:none}
  .filters input{min-width:0;flex:1}
}

/* ===== Stock module ===== */
label.inline{display:flex;align-items:center;gap:8px;margin:0;white-space:nowrap}
label.inline select{margin:0}
.stat.accent{background:linear-gradient(135deg,#4f46e5,#7c3aed);border-color:transparent;color:#fff}
.stat.accent small{color:#e0e7ff}
.stat a{color:inherit}
.total-row td{font-weight:700;background:#f9fafb;border-top:2px solid var(--line)}
.ok-tick{color:var(--ok);font-weight:700;margin-left:4px}
.bars{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.bar-row{display:grid;grid-template-columns:150px 1fr 90px;gap:10px;align-items:center;color:var(--text);font-size:13px}
.bar-row:hover .bar i{background:var(--pri-d)}
.bar-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar{height:10px;background:#eef2ff;border-radius:6px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--pri);border-radius:6px}
.bar-val{text-align:right;font-variant-numeric:tabular-nums}
.stock-table th a{color:var(--muted)}
.stock-table td{font-size:13px}
.stock-table td.right,.recon td{font-variant-numeric:tabular-nums;white-space:nowrap}
.stock-table .prod{min-width:280px;max-width:480px}
.stock-table tr.flagged{background:#fffbeb}
.loc{font-size:11px;font-weight:700;padding:2px 7px;border-radius:5px}
.loc-FBA{background:#ffedd5;color:#9a3412}.loc-FBM{background:#dcfce7;color:#166534}.loc-HAND{background:#e0f2fe;color:#075985}
.flag{display:inline-block;margin:2px 4px 0 0;padding:1px 7px;border-radius:5px;background:#fef3c7;color:#92400e;font-size:11px}
details.help{margin-top:14px}
details summary{cursor:pointer;color:var(--pri)}
@media (max-width:900px){.bar-row{grid-template-columns:100px 1fr 70px}}

/* ===== Inventory / Books ===== */
.nowrap{white-space:nowrap}
.pos{color:var(--ok)}.neg{color:var(--danger)}
.tag.red{background:#fee2e2;color:#991b1b}
.loc-DROPSHIP{background:#f3e8ff;color:#6b21a8}
.book-table td{font-size:13px}
.book-table td.right{font-variant-numeric:tabular-nums;white-space:nowrap}
.month-head td{background:#eef2ff;color:var(--pri);font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
.month-total td{background:#f9fafb;font-weight:600;font-size:12.5px;border-bottom:2px solid var(--line)}
.month-total td.right{font-variant-numeric:tabular-nums}
tr.is-return td{background:#fff5f5}
.form-grid.g4{grid-template-columns:repeat(4,1fr)}
.lines-table td{padding:6px}
.lines-table input,.lines-table select{margin:0;padding:7px 8px}
.lines-table .i-amt{font-variant-numeric:tabular-nums;font-weight:600}
textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;margin-top:4px}
.totals-box{min-width:260px;border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.totals-box div{display:flex;justify-content:space-between;padding:3px 0;font-variant-numeric:tabular-nums}
.totals-box .grand{border-top:1px solid var(--line);margin-top:4px;padding-top:6px;font-size:16px}
.right-box{margin-left:auto;max-width:320px;margin-top:14px}
.voucher .v-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:16px}
.v-type{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--pri);font-weight:700}
.v-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px 20px;min-width:300px}
.v-meta span{display:block;font-size:12px;color:var(--muted)}
.v-party{background:#f9fafb;border-radius:10px;padding:12px 14px;margin-bottom:14px}
.v-party strong{display:block;font-size:15px}
@media (max-width:900px){.form-grid.g4{grid-template-columns:1fr 1fr}}
@media print{
  .sidebar,.topbar,.foot,.no-print,.alert{display:none!important}
  body.app{display:block;background:#fff}.content{padding:0}.card{border:0;padding:0}
}

.stat strong{font-size:clamp(17px,1.6vw,26px);white-space:nowrap}
.stock-table .prod{max-width:360px}

/* ===== Stock register ===== */
.recon-strip{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;padding:11px 16px;border-radius:10px;margin-bottom:16px;border:1px solid;font-size:13.5px}
.recon-strip.ok{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.recon-strip.bad{background:#fffbeb;border-color:#fde68a;color:#92400e}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:-4px 0 20px}
.flow div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 14px;min-width:120px}
.flow div small{display:block;color:var(--muted);font-size:12px}
.flow div b{font-size:18px;font-variant-numeric:tabular-nums}
.flow div.hl{border-color:var(--pri);background:#eef2ff}
.flow i{font-style:normal;font-weight:700;color:var(--muted);font-size:18px}
.stock-table th.reg,.stock-table td.reg{background:#fafbff}
.stock-table td.loccol,.stock-table th.loccol{font-size:12px;color:var(--muted)}