:root{--bg:#fff8f8;--card:#fff;--ink:#2f2328;--muted:#806f75;--line:#eadde1;--brand:#a33d63;--brand2:#7c2849;--ok:#177245;--danger:#b42318;--warning:#a15c00;--shadow:0 8px 30px rgba(86,43,58,.08)}*{box-sizing:border-box}html{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}body{margin:0;min-height:100vh}.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px max(16px,calc((100vw - 1180px)/2));backdrop-filter:blur(10px)}.brand{min-width:0}.brand a{font-weight:800;color:var(--brand2);text-decoration:none;font-size:20px;line-height:1.1}.brand small{display:block;color:var(--muted);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-top:2px}.nav-toggle{display:none;appearance:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:11px;padding:9px 11px;font:inherit;font-size:13px;font-weight:800;align-items:center;gap:7px;cursor:pointer}.nav-toggle-icon{font-size:18px;line-height:1}.nav{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.nav a{color:var(--ink);text-decoration:none;font-size:14px;padding:8px 9px;border-radius:9px;transition:background .15s ease,color .15s ease}.nav a:hover,.nav a.active{background:#f7eef2;color:var(--brand2)}.nav .logout-link{color:var(--danger)}.container{width:min(1180px,calc(100% - 28px));margin:24px auto 60px}.narrow{width:min(540px,calc(100% - 28px));margin-top:7vh}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}.login-card{padding:28px}.page-title,.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.page-title h1,.card h1,.card h2{margin:0 0 5px}.page-title p,.muted{color:var(--muted);margin:0}.btn{appearance:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:11px;padding:10px 14px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn.primary{background:var(--brand);border-color:var(--brand);color:white}.btn.secondary{background:#f7f1f3}.btn.success{background:var(--ok);border-color:var(--ok);color:white}.btn.danger{background:#fff4f2;border-color:#f5b7b1;color:var(--danger)}.btn.small{padding:7px 10px;font-size:12px}.btn.large{padding:13px 18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px;box-shadow:var(--shadow)}.stat small{display:block;color:var(--muted);margin-bottom:8px}.stat strong{font-size:24px}.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid-form .wide{grid-column:1/-1}.form-action{align-self:end}label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700}label small{font-weight:400;color:var(--muted)}input,select,textarea{width:100%;border:1px solid #d9cbd0;border-radius:10px;padding:11px 12px;background:#fff;color:var(--ink);font:inherit}textarea{resize:vertical}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}table{width:100%;border-collapse:collapse;min-width:620px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}td small{display:block;color:var(--muted);margin-top:4px}.actions{white-space:nowrap}.inline{display:inline}.inline-block{display:inline-block;margin:8px 8px 0 0}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:800;background:#f1edf0}.badge.paid{background:#e7f7ef;color:var(--ok)}.badge.pending{background:#fff5dc;color:var(--warning)}.badge.cancelled{background:#feeceb;color:var(--danger)}.stock-low{color:var(--danger);font-weight:800}.alert{border-radius:12px;padding:11px 13px;margin-bottom:14px}.alert.success{background:#e7f7ef;color:#135d3b}.alert.error{background:#feeceb;color:#8e2018}.invoice-head,.invoice-title{display:flex;justify-content:space-between;gap:28px;margin-bottom:20px}.invoice-head p,.invoice-title p{color:var(--muted);margin:6px 0}.totals{margin:18px 0 0 auto;width:min(360px,100%)}.totals>div{display:flex;justify-content:space-between;padding:8px 0}.totals .grand{border-top:2px solid var(--ink);font-size:20px;padding-top:12px}.payment-box{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#faf5f7;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-top:16px}.button-grid{display:flex;flex-wrap:wrap;gap:10px}.smalltext{font-size:12px;margin-top:12px}.bill-total{display:flex;justify-content:space-between;align-items:center;font-size:22px;margin:16px 0;padding-top:14px;border-top:1px solid var(--line)}.filters{display:flex;gap:10px;margin-bottom:14px}.filters input{flex:1}.customer-box{display:flex;flex-direction:column;gap:4px;padding:14px;background:#faf5f7;border-radius:12px;margin-bottom:16px}.customer-box small{color:var(--muted)}.bill-number{text-align:right;display:flex;flex-direction:column}.bill-number small{color:var(--muted);letter-spacing:.12em}.bill-number strong{font-size:18px}.bill-number span{color:var(--muted);font-size:13px}.thankyou{text-align:center;margin:22px 0 12px;font-weight:700;color:var(--brand2)}.note{background:#fff9e8;border-radius:10px;padding:10px}.footer{text-align:center;color:var(--muted);font-size:12px;padding:24px}.print-btn{width:100%}
@media(max-width:760px){.topbar{align-items:center;padding:10px 12px;flex-wrap:wrap;gap:8px}.brand{max-width:calc(100% - 92px)}.brand a{font-size:18px;display:block;white-space:normal}.brand small{font-size:10px}.nav-toggle{display:inline-flex;margin-left:auto;flex:0 0 auto}.nav{display:none;flex:1 0 100%;width:100%;max-width:none;margin-top:2px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);gap:5px}.nav.open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.nav a{font-size:14px;padding:11px 10px;background:#fff;border:1px solid transparent}.nav a.active{background:#f7eef2;border-color:#efdce4;font-weight:800}.nav .logout-link{background:#fff7f5}.container{width:min(100% - 18px,1180px);margin-top:12px}.card{border-radius:14px;padding:15px}.stats{grid-template-columns:repeat(2,1fr);gap:8px}.stat{padding:13px}.stat strong{font-size:19px}.grid-form{grid-template-columns:1fr}.grid-form .wide{grid-column:auto}.page-title{align-items:flex-start}.page-title .btn{flex:0 0 auto}.invoice-head,.invoice-title{flex-direction:column;gap:8px}.bill-number{text-align:left}.filters{flex-direction:column}.button-grid .btn{flex:1 1 45%}.payment-box{align-items:flex-start;flex-direction:column}.footer{padding-bottom:max(24px,env(safe-area-inset-bottom))}}
@media(max-width:380px){.nav.open{grid-template-columns:1fr}.page-title{flex-direction:column}.page-title .btn{width:100%}}
@media print{.topbar,.footer,.print-btn{display:none!important}body{background:#fff}.container{width:100%;margin:0}.card{box-shadow:none;border:none}.public-bill{padding:0}}

/* V1A0B: invoice mobile fit. Product/customer management tables keep horizontal scrolling. */
@media (max-width:760px){
  .invoice-card .table-wrap{overflow-x:visible}
  .invoice-card table{min-width:0;table-layout:fixed}
  .invoice-card th,.invoice-card td{padding:9px 5px;font-size:12px;overflow-wrap:anywhere}
  .invoice-card th:nth-child(1),.invoice-card td:nth-child(1){width:40%}
  .invoice-card th:nth-child(2),.invoice-card td:nth-child(2){width:12%;text-align:center}
  .invoice-card th:nth-child(3),.invoice-card td:nth-child(3){width:24%;text-align:right}
  .invoice-card th:nth-child(4),.invoice-card td:nth-child(4){width:24%;text-align:right}
  .payment-box{align-items:flex-start;flex-direction:column}
}


/* V1A0C: mobile bill-list cards and single-page customer bill printing. */
@media (max-width:760px){
  .bills-table-wrap{overflow-x:visible}
  .billing-list{min-width:0;width:100%}
  .billing-list thead{display:none}
  .billing-list tbody,.billing-list tr,.billing-list td{display:block;width:100%}
  .billing-list tr{border:1px solid var(--line);border-radius:13px;padding:10px 12px;margin:0 0 10px;background:#fff}
  .billing-list td{border:0;padding:7px 0;display:grid;grid-template-columns:92px minmax(0,1fr);gap:10px;align-items:start}
  .billing-list td::before{content:attr(data-label);font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
  .billing-list td[data-label="Action"] .btn{justify-self:start}
}
@media print{
  @page{size:A4 portrait;margin:8mm}
  html,body{background:#fff!important;min-height:0!important;height:auto!important}
  body{margin:0!important}
  .topbar,.footer,.print-btn{display:none!important}
  .container{width:100%!important;max-width:none!important;margin:0!important;padding:0!important}
  .card,.public-bill{box-shadow:none!important;border:0!important;border-radius:0!important;margin:0!important;padding:0!important;break-inside:avoid!important;page-break-inside:avoid!important}
  .public-bill .invoice-title{margin-bottom:12px!important}
  .public-bill .customer-box{margin-bottom:10px!important;padding:10px!important}
  .public-bill th,.public-bill td{padding:6px 5px!important;font-size:10pt!important}
  .public-bill .totals{margin-top:10px!important}
  .public-bill .totals>div{padding:5px 0!important}
  .public-bill .payment-box{margin-top:10px!important;padding:9px 10px!important}
  .public-bill .thankyou{margin:12px 0 0!important}
}

/* V1A0D: dashboard revenue by payment-confirmed date + no-scroll recent bill list. */
.recent-bill-list{display:flex;flex-direction:column;gap:8px}
.recent-bill-row{display:grid;grid-template-columns:minmax(170px,1.25fr) minmax(160px,1fr) 130px 120px 100px;gap:14px;align-items:center;padding:12px 10px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;border-radius:10px}
.recent-bill-row:hover{background:#fff9fb}
.recent-bill-row>span{min-width:0}
.recent-bill-row small{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}
.recent-bill-id strong{color:var(--brand2);overflow-wrap:anywhere}
.recent-bill-customer strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:760px){
  .recent-bill-list{gap:10px}
  .recent-bill-row{grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;padding:12px;border:1px solid var(--line);background:#fff}
  .recent-bill-id{grid-column:1/2}.recent-bill-status{grid-column:2/3;text-align:right}
  .recent-bill-customer{grid-column:1/-1}
  .recent-bill-total{grid-column:1/2}.recent-bill-mode{grid-column:2/3;text-align:right}
  .recent-bill-customer strong{white-space:normal;overflow:visible;text-overflow:clip}
}