:root{--bg:#f5f7fb;--panel:#fff;--ink:#172033;--muted:#6f7b91;--line:#e7ebf2;--brand:#3157d5;--brand2:#6b49d8;--success:#1f9d68;--danger:#cc3d4a;--shadow:0 14px 38px rgba(31,45,74,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}a{text-decoration:none;color:inherit}.login-page{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;background:#eef2ff}.login-hero{padding:72px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#1f3caa,#6a46cf);color:#fff;position:relative;overflow:hidden}.login-hero:after{content:'';position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.08);right:-150px;top:90px}.brandmark{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px}.brand-icon{width:42px;height:42px;border-radius:12px;background:#fff;color:#3555c8;display:grid;place-items:center;font-weight:900}.hero-copy{max-width:640px;position:relative;z-index:1}.hero-copy h1{font-size:52px;line-height:1.05;margin:0 0 20px}.hero-copy p{font-size:18px;line-height:1.7;color:#e4e9ff}.hero-features{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:34px}.hero-chip{padding:14px 16px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);border-radius:14px}.login-panel{display:grid;place-items:center;padding:40px}.login-card{width:min(430px,100%);background:#fff;border-radius:24px;padding:40px;box-shadow:var(--shadow)}.login-card h2{font-size:30px;margin:0 0 8px}.sub{color:var(--muted);margin:0 0 28px}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.field label{font-size:13px;font-weight:700;color:#4a556d}.field input,.field select,.field textarea{width:100%;border:1px solid #dfe4ee;border-radius:11px;padding:12px 13px;background:#fff;outline:none;transition:.2s}.field input:focus,.field select:focus,.field textarea:focus{border-color:#8ba0f0;box-shadow:0 0 0 4px rgba(49,87,213,.08)}.btn{border:0;border-radius:11px;padding:11px 16px;font-weight:700;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.btn-light{background:#eef2f8;color:#35405a}.btn-danger{background:#fff0f1;color:var(--danger)}.btn-block{width:100%;padding:13px}.error{display:none;background:#fff0f1;color:#b52c3a;padding:11px 13px;border-radius:10px;margin-bottom:16px;font-size:14px}.app{display:grid;grid-template-columns:245px 1fr;min-height:100vh}.sidebar{background:#172033;color:#dce4f5;padding:24px 18px;position:sticky;top:0;height:100vh}.sidebar .brandmark{margin-bottom:34px}.nav-section{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#8190ad;margin:24px 10px 10px}.nav-item{display:flex;gap:11px;align-items:center;padding:11px 12px;border-radius:10px;color:#b9c4da;margin:4px 0}.nav-item.active,.nav-item:hover{background:#25304a;color:#fff}.main{min-width:0}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.top-title{font-weight:800}.userpill{display:flex;align-items:center;gap:10px}.avatar{width:36px;height:36px;border-radius:50%;background:#e8edff;color:#3157d5;display:grid;place-items:center;font-weight:800}.content{padding:28px}.page-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:22px}.page-head h1{margin:0;font-size:29px}.page-head p{margin:6px 0 0;color:var(--muted)}.actions{display:flex;gap:10px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px;box-shadow:0 3px 12px rgba(31,45,74,.03)}.stat .n{font-size:25px;font-weight:800;margin-top:6px}.stat .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}.card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 5px 18px rgba(31,45,74,.04)}.filters{padding:15px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:10px;border-bottom:1px solid var(--line)}.filters input,.filters select{border:1px solid #dfe4ee;border-radius:10px;padding:10px 11px}.table-wrap{overflow:auto}.data{width:100%;border-collapse:collapse;min-width:950px}.data th{background:#fafbfc;color:#6d7890;font-size:11px;text-transform:uppercase;letter-spacing:.06em;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}.data td{padding:13px 14px;border-bottom:1px solid #eef1f6;font-size:14px}.data tr:hover td{background:#fbfcff}.code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:700;color:#3157d5}.badge{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge.on{background:#e9f8f1;color:#147c53}.badge.off{background:#f1f3f6;color:#7d8798}.row-actions button{background:none;border:0;color:#53627d;cursor:pointer;font-weight:700;margin-right:8px}.pagination{padding:13px 15px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}.drawer-backdrop{position:fixed;inset:0;background:rgba(18,27,45,.42);z-index:20;display:none}.drawer{position:fixed;right:0;top:0;width:min(900px,94vw);height:100vh;background:#f7f9fc;z-index:21;transform:translateX(100%);transition:.25s;display:flex;flex-direction:column;box-shadow:-20px 0 50px rgba(22,31,52,.18)}.drawer.open{transform:none}.drawer-backdrop.open{display:block}.drawer-head{background:#fff;padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.drawer-head h2{margin:0;font-size:21px}.drawer-body{padding:18px 22px;overflow:auto}.tabs{display:flex;gap:6px;background:#edf1f7;border-radius:12px;padding:5px;margin-bottom:16px;overflow:auto}.tab{border:0;background:transparent;padding:9px 12px;border-radius:9px;font-weight:700;color:#69758b;white-space:nowrap;cursor:pointer}.tab.active{background:#fff;color:#3157d5;box-shadow:0 2px 7px rgba(26,38,66,.08)}.tab-pane{display:none}.tab-pane.active{display:block}.section-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;margin-bottom:14px}.section-title{font-weight:800;margin-bottom:14px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.general-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.span4{grid-column:span 4}.readonly-info{background:#f4f6fa!important;color:#68758b;cursor:not-allowed}.grid.two{grid-template-columns:repeat(2,1fr)}.span2{grid-column:span 2}.span3{grid-column:span 3}.check{display:flex;align-items:center;gap:8px;padding-top:28px}.uom-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:10px;align-items:end}.barcode-list{margin-top:15px}.barcode-row{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.7fr auto;gap:8px;margin-bottom:8px}.stock-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.stockbox{background:#f8faff;border:1px solid #e4e9f5;border-radius:11px;padding:12px}.stockbox label{font-size:11px;color:#77839a}.stockbox div{font-size:18px;font-weight:800;margin-top:4px}.drawer-foot{margin-top:auto;background:#fff;border-top:1px solid var(--line);padding:14px 22px;display:flex;justify-content:space-between}.muted{color:var(--muted)}@media(max-width:1000px){.general-grid{grid-template-columns:repeat(2,1fr)}.general-grid .span3,.general-grid .span4{grid-column:span 2}.app{grid-template-columns:78px 1fr}.sidebar .nav-item span,.sidebar .nav-section,.sidebar .brandmark span{display:none}.stats{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr 1fr}.grid{grid-template-columns:repeat(2,1fr)}.span3{grid-column:span 2}.stock-strip{grid-template-columns:repeat(3,1fr)}}@media(max-width:720px){.general-grid{grid-template-columns:1fr}.general-grid .span2,.general-grid .span3,.general-grid .span4{grid-column:auto}.login-page{grid-template-columns:1fr}.login-hero{display:none}.content{padding:18px}.stats{grid-template-columns:1fr 1fr}.page-head{flex-direction:column}.filters{grid-template-columns:1fr}.grid,.grid.two{grid-template-columns:1fr}.span2,.span3{grid-column:auto}.uom-grid,.barcode-row{grid-template-columns:1fr 1fr}.stock-strip{grid-template-columns:1fr 1fr}}
/* Sales Invoicing */
.sales-content{padding:22px}.invoice-meta{display:flex;gap:14px;align-items:end}.invoice-meta>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;min-width:155px}.invoice-meta label{display:block;font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase}.invoice-meta strong{font-size:18px;color:var(--brand)}.invoice-meta input{border:0;outline:none;font-weight:700;width:190px}.sales-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:16px}.sales-work{min-width:0}.sale-entry-card{padding:14px}.payment-switch{display:flex;gap:8px;justify-content:flex-end;margin-bottom:12px}.pay-mode{border:1px solid #dfe4ee;background:#fff;border-radius:11px;padding:10px 14px;font-weight:800;cursor:pointer;color:#42506a}.pay-mode.active{background:#eef2ff;border-color:#8da1ef;color:#3157d5}.pay-mode small{display:block;font-size:10px;color:#8994aa}.line-entry-grid{display:grid;grid-template-columns:1.15fr 2fr .8fr .8fr .75fr .7fr .85fr .8fr .85fr .8fr .55fr 1fr;gap:8px;align-items:end}.line-entry-grid .field{margin:0}.line-entry-grid label{font-size:11px}.material-field{grid-column:span 2;position:relative}.desc-field{grid-column:span 7}.input-action,.customer-code{display:flex;gap:6px}.input-action input,.customer-code input,.customer-code select{min-width:0;flex:1}.mini-btn{border:0;border-radius:9px;padding:0 12px;background:#eef2f8;color:#3157d5;font-size:20px;cursor:pointer}.tax-pill{min-height:42px;border:1px solid #dfe4ee;border-radius:11px;padding:12px;background:#f8fafc;font-size:12px;font-weight:700}.typeahead{position:absolute;left:0;right:0;top:70px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;z-index:15;display:none;max-height:260px;overflow:auto}.typeahead .result{padding:10px 12px;border-bottom:1px solid var(--line);cursor:pointer}.typeahead .result:hover{background:#f4f7ff}.line-toolbar{margin:14px -14px -14px;padding:10px 14px;background:#1d2a71;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:10px}.line-toolbar .btn{padding:8px 10px}.sale-lines{margin-top:12px}.sales-table{min-width:900px}.empty-row td{text-align:center;color:var(--muted);padding:50px 15px!important}.line-summary{display:flex;gap:28px;justify-content:flex-end;padding:12px 16px;border-top:1px solid var(--line);font-size:13px}.sales-bottom{display:grid;grid-template-columns:1fr 330px;gap:12px;margin-top:12px}.action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.action-btn{min-height:58px;border:0;border-radius:11px;color:#fff;font-size:20px;display:flex;align-items:center;gap:8px;justify-content:center;cursor:pointer;font-weight:800}.action-btn span{font-size:12px}.action-btn.save{background:#199c77}.action-btn.search{background:#ed9b4a}.action-btn.reset{background:#54a268}.action-btn.hold{background:#57a6b8}.action-btn.reverse{background:#d88748}.action-btn.danger{background:#cf4352}.action-btn.edit{background:#397eae}.action-btn.print{background:#6579d7}.action-btn.exit{background:#d54257}.invoice-totals{background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px}.total-row{display:grid;grid-template-columns:120px 1fr;align-items:center;min-height:36px;border-bottom:1px solid #eef1f6}.total-row b{text-align:right;font-size:18px}.discount-combo{display:grid;grid-template-columns:60px 18px 1fr;gap:4px;align-items:center}.discount-combo input{width:100%;border:1px solid #dfe4ee;border-radius:8px;padding:7px}.total-row.grand{border:0;color:#3157d5}.total-row.grand b{font-size:25px}.print-mode{margin-top:10px;display:flex;gap:10px;align-items:center;font-size:11px}.sales-side{display:flex;flex-direction:column;gap:12px}.keypad-card{padding:8px}.keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.keypad button{height:43px;border:1px solid #dce3f0;border-radius:9px;background:linear-gradient(#fff,#edf3fb);font-size:17px;font-weight:800;color:#1e3d92;cursor:pointer}.keypad .enter{grid-row:span 2;height:auto;background:#eef2ff}.customer-card{padding:14px}.customer-buttons{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:12px}.customer-search{background:#f2994a;color:#fff}.customer-name{background:#fff7e8;border:1px solid #f2dfbd;padding:9px 10px;border-radius:8px;margin:-6px 0 13px;font-weight:700;font-size:12px}.due-box,.change-due{display:flex;justify-content:space-between;align-items:center;padding:12px;border-radius:10px;margin:8px 0;font-weight:800}.due-box{background:#f4f6fb}.change-due{background:#9f0e0e;color:#fff}.payment-btn{width:100%;border:0;border-radius:10px;background:#8665d7;color:#fff;padding:13px;font-weight:800;cursor:pointer}.sales-notice{display:none;background:#edf9f4;color:#18785a;border-radius:10px;padding:10px 13px;margin-bottom:12px}.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(15,24,42,.45);z-index:50;place-items:center}.modal-backdrop.open{display:grid}.sales-modal{width:min(700px,92vw);max-height:75vh;background:#fff;border-radius:16px;box-shadow:0 22px 60px rgba(0,0,0,.2);padding:16px;display:flex;flex-direction:column}.modal-head{display:flex;align-items:center;justify-content:space-between}.modal-head h3{margin:0}.modal-search{border:1px solid #dfe4ee;border-radius:10px;padding:11px;margin:12px 0}.modal-results{overflow:auto}.modal-row{display:grid;grid-template-columns:120px 1fr 100px;gap:10px;padding:11px;border-bottom:1px solid var(--line);cursor:pointer}.modal-row:hover{background:#f6f8fd}@media(max-width:1250px){.sales-layout{grid-template-columns:1fr}.sales-side{display:grid;grid-template-columns:300px 1fr}.line-entry-grid{grid-template-columns:repeat(6,1fr)}.material-field{grid-column:span 2}.desc-field{grid-column:span 4}.sales-bottom{grid-template-columns:1fr 300px}}@media(max-width:820px){.sales-side{grid-template-columns:1fr}.sales-bottom{grid-template-columns:1fr}.line-entry-grid{grid-template-columns:repeat(2,1fr)}.material-field,.desc-field{grid-column:span 2}.payment-switch{justify-content:stretch}.pay-mode{flex:1}.invoice-meta{flex-wrap:wrap}.line-toolbar{align-items:flex-start;flex-direction:column}.line-summary{justify-content:flex-start;flex-wrap:wrap}.action-grid{grid-template-columns:repeat(2,1fr)}}

/* Sales Management register + invoice workspace */
.sales-list-content{padding:24px}.sales-register-head{align-items:center}.add-invoice-btn{padding:12px 18px;font-weight:800}.invoice-filter-card{padding:16px;margin-bottom:14px}.invoice-filter-grid{display:grid;grid-template-columns:minmax(280px,2fr) 180px 155px 155px auto auto;gap:10px;align-items:end}.invoice-filter-grid .field{margin:0}.filter-btn{height:42px}.invoice-register-card{overflow:hidden}.register-toolbar{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}.invoice-register-table{min-width:980px}.invoice-register-table th,.invoice-register-table td{vertical-align:middle}.invoice-register-table td small{display:block;color:var(--muted);margin-top:2px}.invoice-register-table .num{text-align:right}.doc-link{border:0;background:transparent;color:var(--brand);font-weight:800;cursor:pointer;padding:0}.row-actions{display:flex;gap:6px;white-space:nowrap}.btn-sm{padding:7px 10px;font-size:12px}.status-badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800;white-space:nowrap}.status-badge.open{background:#fff5d9;color:#8a6200}.status-badge.finalized{background:#e8f7ef;color:#16704c}.status-badge.finalizing{background:#edf2ff;color:#3758bb}.status-badge.reversed{background:#fdebec;color:#b12836}.page-kicker{display:flex;align-items:center;gap:10px;margin-bottom:5px}.back-link{color:var(--brand);font-size:12px;font-weight:800;text-decoration:none}.mode-badge{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;padding:4px 8px;border-radius:999px;background:#e9f7f0;color:#15724c}.mode-badge.edit{background:#fff4d9;color:#856000}.mode-badge.view{background:#eef1f6;color:#59647a}.invoice-view-only input:disabled,.invoice-view-only select:disabled{opacity:1;color:#49536a;background:#f5f7fa}.invoice-view-only .pay-mode:disabled{opacity:.72;cursor:default}.action-btn:disabled,.btn:disabled,.mini-btn:disabled{opacity:.45;cursor:not-allowed}

/* Web-native invoice line layout: two balanced rows using all available width */
.line-entry-grid{grid-template-columns:repeat(12,minmax(0,1fr));column-gap:10px;row-gap:12px}.line-entry-grid>.field{grid-column:auto}.line-entry-grid>.field:nth-child(1){grid-column:span 3}.line-entry-grid>.field:nth-child(2){grid-column:span 5}.line-entry-grid>.field:nth-child(3){grid-column:span 1}.line-entry-grid>.field:nth-child(4){grid-column:span 2}.line-entry-grid>.field:nth-child(5){grid-column:span 1}.line-entry-grid>.field:nth-child(6){grid-column:span 1}.line-entry-grid>.field:nth-child(7){grid-column:span 2}.line-entry-grid>.field:nth-child(8){grid-column:span 2}.line-entry-grid>.field:nth-child(9){grid-column:span 2}.line-entry-grid>.field:nth-child(10){grid-column:span 2}.line-entry-grid>.field:nth-child(11){grid-column:span 1}.line-entry-grid>.field:nth-child(12){grid-column:span 2}.material-field,.desc-field{grid-column:auto}.sales-table{width:100%;min-width:960px;table-layout:fixed}.sales-table .c-no{width:42px}.sales-table .c-code{width:92px}.sales-table .c-name{width:auto}.sales-table .c-uom{width:68px}.sales-table .c-qty{width:72px}.sales-table .c-price{width:92px}.sales-table .c-value{width:100px}.sales-table .c-disc{width:96px}.sales-table .c-tax{width:86px}.sales-table .c-net{width:102px}.sales-table .c-type{width:84px}.sales-table th:nth-child(n+5):nth-child(-n+10),.sales-table td:nth-child(n+5):nth-child(-n+10){text-align:right}.sales-table td{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:1300px){.invoice-filter-grid{grid-template-columns:minmax(250px,2fr) 170px 150px 150px}.invoice-filter-grid .filter-btn{min-width:100px}.line-entry-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.line-entry-grid>.field:nth-child(1){grid-column:span 2}.line-entry-grid>.field:nth-child(2){grid-column:span 3}.line-entry-grid>.field:nth-child(3){grid-column:span 1}.line-entry-grid>.field:nth-child(4){grid-column:span 2}.line-entry-grid>.field:nth-child(5){grid-column:span 1}.line-entry-grid>.field:nth-child(n+6){grid-column:span 1}.line-entry-grid>.field:nth-child(7),.line-entry-grid>.field:nth-child(8),.line-entry-grid>.field:nth-child(9),.line-entry-grid>.field:nth-child(10),.line-entry-grid>.field:nth-child(12){grid-column:span 2}}
@media(max-width:820px){.invoice-filter-grid{grid-template-columns:1fr 1fr}.invoice-filter-grid .search-wide{grid-column:span 2}.line-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.line-entry-grid>.field:nth-child(n){grid-column:span 1}.line-entry-grid>.field:nth-child(1),.line-entry-grid>.field:nth-child(2){grid-column:span 2}}


/* Sales invoice V3: keep transaction price/discount row horizontal on desktop */
.line-entry-grid{
  display:grid;
  grid-template-columns:repeat(24,minmax(0,1fr));
  column-gap:10px;
  row-gap:12px;
  align-items:end;
}
.line-entry-grid>.field{grid-column:auto;min-width:0}
.line-entry-grid>.field:nth-child(1){grid-column:span 5}
.line-entry-grid>.field:nth-child(2){grid-column:span 10}
.line-entry-grid>.field:nth-child(3){grid-column:span 2}
.line-entry-grid>.field:nth-child(4){grid-column:span 4}
.line-entry-grid>.field:nth-child(5){grid-column:span 3}
.line-entry-grid>.qty-field{grid-column:span 2}
.line-entry-grid>.sale-type-field{grid-column:span 3}
.line-entry-grid>.price-field{grid-column:span 4}
.line-entry-grid>.line-value-field{grid-column:span 4}
.line-entry-grid>.discount-field{grid-column:span 4}
.line-entry-grid>.discount-pct-field{grid-column:span 2}
.line-entry-grid>.after-discount-field{grid-column:span 5}
.line-entry-grid input,.line-entry-grid select{width:100%;min-width:0}

/* Once the side panel stacks below, retain the same one-line transaction row. */
@media(max-width:1250px) and (min-width:821px){
  .sales-layout{grid-template-columns:1fr}
  .sales-side{display:grid;grid-template-columns:300px 1fr}
  .line-entry-grid{grid-template-columns:repeat(24,minmax(0,1fr))}
  .line-entry-grid>.field:nth-child(1){grid-column:span 5}
  .line-entry-grid>.field:nth-child(2){grid-column:span 10}
  .line-entry-grid>.field:nth-child(3){grid-column:span 2}
  .line-entry-grid>.field:nth-child(4){grid-column:span 4}
  .line-entry-grid>.field:nth-child(5){grid-column:span 3}
  .line-entry-grid>.qty-field{grid-column:span 2}
  .line-entry-grid>.sale-type-field{grid-column:span 3}
  .line-entry-grid>.price-field{grid-column:span 4}
  .line-entry-grid>.line-value-field{grid-column:span 4}
  .line-entry-grid>.discount-field{grid-column:span 4}
  .line-entry-grid>.discount-pct-field{grid-column:span 2}
  .line-entry-grid>.after-discount-field{grid-column:span 5}
}
@media(max-width:820px){
  .line-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .line-entry-grid>.field:nth-child(n){grid-column:span 1}
  .line-entry-grid>.field:nth-child(1),.line-entry-grid>.field:nth-child(2){grid-column:span 2}
  .line-entry-grid>.discount-pct-field{grid-column:span 1}
}

/* Sales Invoice V4 - standalone transaction tab and compact desktop workspace */
/* ===== Sales Invoice / POS Window - Fluid responsive for desktop + tablet ===== */
.invoice-window-body{
  background:#f3f6fb;
  height:100dvh;
  overflow:hidden;
  margin:0;
}
.invoice-window{
  height:100%;
  min-height:0;
  min-width:0;
  width:100%;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.invoice-window-header{
  flex:0 0 auto;
  min-height:56px;
  height:auto;
  background:#fff;
  border-bottom:1px solid var(--line);
  display:grid;
  grid-template-columns:minmax(200px,1fr) auto auto;
  align-items:center;
  gap:12px;
  padding:6px 14px;
  position:relative;
  z-index:15;
  box-shadow:0 3px 14px rgba(31,45,74,.04);
}
.invoice-window-brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-icon.compact{width:36px;height:36px;border-radius:10px;background:#eef2ff;display:grid;place-items:center;font-weight:900;color:#3555c8}
.invoice-app-name{font-size:11px;color:var(--muted);font-weight:800;letter-spacing:.04em}
.invoice-title-row{display:flex;align-items:center;gap:9px}
.invoice-title-row h1{font-size:clamp(18px,1.4vw,22px);line-height:1.1;margin:1px 0 0;white-space:nowrap}
.mode-badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:800;background:#eef2ff;color:#3157d5}
.invoice-window-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.invoice-meta-box{background:#f8faff;border:1px solid #e5eaf4;border-radius:10px;padding:5px 10px;min-width:110px}
.invoice-meta-box label{display:block;font-size:10px;line-height:1.1;color:var(--muted);font-weight:800;text-transform:uppercase}
.invoice-meta-box strong{display:block;color:var(--brand);font-size:15px;margin-top:2px}
.invoice-meta-box input{border:0;background:transparent;outline:none;font-size:13px;font-weight:800;padding:1px 0;width:min(180px,100%)}
.invoice-window-user{display:flex;align-items:center;gap:8px}
.invoice-window-user .avatar{width:32px;height:32px;border-radius:50%;background:#eef2ff;display:grid;place-items:center;font-weight:800;color:#3157d5}
.invoice-user-text{display:flex;flex-direction:column;min-width:60px}
.invoice-user-text b{font-size:12px}
.invoice-user-text small{font-size:10px;color:var(--muted)}
.compact-btn{padding:8px 10px;border-radius:9px;font-size:12px;min-height:36px}

/* Header payment modes */
.header-payment-switch{display:flex;align-items:center;justify-content:flex-start;gap:6px;margin:0}
.header-payment-switch .pay-mode{
  width:auto;min-width:78px;height:46px;padding:4px 8px;border-radius:10px;
  display:grid;grid-template-columns:18px 1fr;grid-template-rows:1fr auto;align-items:center;justify-items:start;
  column-gap:4px;line-height:1.05;font-size:13px;border:1px solid #dfe4ee;background:#fff;font-weight:800;cursor:pointer;color:#42506a;
}
.header-payment-switch .pay-mode.active{background:#eef2ff;border-color:#8da1ef;color:#3157d5}
.header-payment-switch .pay-mode>span:first-child{grid-row:1 / span 2;font-size:14px}
.header-payment-switch .pay-label{align-self:end;white-space:nowrap}
.header-payment-switch .part-credit-label{white-space:normal;line-height:.95;align-self:center}
.header-payment-switch .pay-mode small{grid-column:2;align-self:start;line-height:1;font-size:9px;color:#8994aa}

.invoice-window-content .sale-entry-card>.payment-switch{display:none!important}

/* Content fills remaining height */
.invoice-window-content{
  flex:1 1 auto;
  min-height:0;
  overflow:hidden;
  padding:8px 10px 10px;
  display:flex;
  flex-direction:column;
}
.invoice-window-content>.error,
.invoice-window-content>.sales-notice{margin-bottom:6px;padding:8px 11px;flex:0 0 auto}
.invoice-window-content .sales-layout{
  flex:1 1 auto;
  min-height:0;
  height:100%;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(260px,300px);
  gap:10px;
}
.invoice-window-content .sales-work{
  min-width:0;
  min-height:0;
  height:100%;
  display:flex;
  flex-direction:column;
  gap:0;
}
.invoice-window-content .sale-entry-card{
  flex:0 0 auto;
  padding:10px;
  border-radius:10px;
}
.invoice-window-content .line-entry-grid{
  display:grid;
  grid-template-columns:repeat(30,minmax(0,1fr));
  column-gap:6px;
  row-gap:6px;
  align-items:end;
}
.invoice-window-content .line-entry-grid>.field:nth-child(1){grid-column:span 6}
.invoice-window-content .line-entry-grid>.field:nth-child(2){grid-column:span 12}
.invoice-window-content .line-entry-grid>.field:nth-child(3){grid-column:span 3}
.invoice-window-content .line-entry-grid>.field:nth-child(4){grid-column:span 5}
.invoice-window-content .line-entry-grid>.field:nth-child(5){grid-column:span 4}
.invoice-window-content .line-entry-grid>.qty-field{grid-column:span 3}
.invoice-window-content .line-entry-grid>.sale-type-field{grid-column:span 4}
.invoice-window-content .line-entry-grid>.price-field{grid-column:span 5}
.invoice-window-content .line-entry-grid>.line-value-field{grid-column:span 5}
.invoice-window-content .line-entry-grid>.discount-field{grid-column:span 5}
.invoice-window-content .line-entry-grid>.discount-pct-field{grid-column:span 3}
.invoice-window-content .line-entry-grid>.after-discount-field{grid-column:span 5}
.invoice-window-content .field{gap:3px;margin-bottom:0}
.invoice-window-content .field label,
.invoice-window-content .line-entry-grid label{font-size:11px;font-weight:700;color:#4a556d}
.invoice-window-content .field input,
.invoice-window-content .field select{
  padding:8px 9px;
  border-radius:9px;
  min-height:38px;
  font-size:13px;
}
.invoice-window-content .tax-pill{min-height:38px;padding:9px 8px;border-radius:9px;font-size:12px}
.invoice-window-content .mini-btn{min-height:38px;padding:0 10px;font-size:18px}
.invoice-window-content .line-toolbar{
  margin:8px -10px -10px;
  padding:7px 10px;
  background:#1d2a71;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  border-radius:0 0 10px 10px;
}
.invoice-window-content .line-toolbar .btn{padding:8px 10px;font-size:12px;min-height:36px}

/* Line items - expands to fill all remaining vertical space */
.invoice-window-content .sale-lines{
  flex:1 1 auto;
  min-height:120px;
  margin-top:8px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:10px;
  background:#fff;
  border:1px solid var(--line);
}
.invoice-window-content .sale-lines .table-wrap{
  flex:1 1 auto;
  min-height:0;
  height:auto !important;
  overflow:auto;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
}
.invoice-window-content .sales-table{min-width:760px;margin-bottom:0}
.invoice-window-content .sales-table thead{position:sticky;top:0;z-index:2;background:#fff}
.invoice-window-content .sales-table th,
.invoice-window-content .sales-table td{padding:8px 8px;font-size:12.5px}
.invoice-window-content .sale-lines .empty-row td{
  height:auto !important;
  min-height:100px;
  padding:24px 15px !important;
  text-align:center;
  color:var(--muted);
}
.invoice-window-content .line-summary{
  flex:0 0 auto;
  padding:8px 12px;
  gap:20px;
  font-size:12px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:flex-end;
}

/* Bottom actions + totals */
.invoice-window-content .sales-bottom{
  flex:0 0 auto;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(240px,300px);
  gap:10px;
  margin-top:8px;
}
.invoice-window-content .action-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:6px;
  min-height:130px;
}
.invoice-window-content .action-btn{
  min-height:40px;
  border-radius:9px;
  padding:4px 6px;
  font-size:13px;
  font-weight:700;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  border:0;
  cursor:pointer;
}
.invoice-window-content .action-btn span{font-size:10px;opacity:.85}
.invoice-window-content .invoice-totals{
  padding:10px 12px;
  border-radius:10px;
  background:#fff;
  border:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:4px;
  overflow:hidden;
}
.invoice-window-content .total-row{
  min-height:26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
}
.invoice-window-content .total-row b{font-size:14px}
.invoice-window-content .total-row.grand b{font-size:18px;color:var(--brand)}
.invoice-window-content .discount-combo{display:flex;gap:4px;align-items:center}
.invoice-window-content .discount-combo input{height:28px;min-height:28px;padding:3px 6px;width:70px}
.invoice-window-content .print-mode{margin-top:4px}

/* Side panel */
.invoice-window-content .sales-side{
  min-height:0;
  height:100%;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow:hidden;
}
.invoice-window-content .keypad-card{padding:6px;flex:0 0 auto}
.invoice-window-content .keypad{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.invoice-window-content .keypad button{height:40px;font-size:16px;border-radius:8px;border:1px solid #dfe4ee;background:#fff;font-weight:700;cursor:pointer}
.invoice-window-content .keypad button.enter{grid-row:span 2;background:#eef2ff;color:#3157d5}
.invoice-window-content .customer-card{
  flex:1 1 auto;
  min-height:0;
  padding:10px;
  border-radius:10px;
  overflow:auto;
  background:#fff;
  border:1px solid var(--line);
}
.invoice-window-content .customer-buttons{
  display:grid;
  grid-template-columns:minmax(90px,1fr) auto 40px;
  gap:6px;
  margin-bottom:8px;
}
.invoice-window-content .customer-search{padding:8px 10px;min-width:0;white-space:nowrap}
.invoice-window-content .customer-search span{display:inline}
.invoice-window-content .keypad-toggle{width:40px;min-width:40px;padding:7px 0;font-size:18px;line-height:1}
.invoice-window-content .keypad-toggle.active{background:#eef2ff;border-color:#9cadf2;color:#3157d5}
.keypad-card[hidden]{display:none!important}
@keyframes keypadReveal{from{opacity:.3;transform:translateY(-4px)}to{opacity:1;transform:none}}
.invoice-window-content .keypad-card{animation:keypadReveal .12s ease-out}
.invoice-window-content .customer-name{
  padding:7px 9px;
  margin:-2px 0 8px;
  background:#f8faff;
  border-radius:8px;
  font-weight:700;
  font-size:13px;
  color:#3157d5;
}
.invoice-window-content .due-box,
.invoice-window-content .change-due{
  padding:8px 10px;
  margin:4px 0;
  border-radius:8px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  font-weight:700;
}
.invoice-window-content .due-box{background:#f0f7ff}
.invoice-window-content .change-due{background:#fff0f1;color:var(--danger)}
.invoice-window-content .payment-btn{
  width:100%;
  padding:10px;
  min-height:40px;
  border-radius:10px;
  border:0;
  background:#6b49d8;
  color:#fff;
  font-weight:800;
  cursor:pointer;
  margin:6px 0;
}
.invoice-window-content .customer-card .field{margin-bottom:8px}
.invoice-window-content .customer-card .field label{font-size:11px}

/* Large desktop: more breathing room and readability */
@media (min-width:1400px){
  .invoice-window-header{padding:8px 18px;gap:14px;min-height:60px}
  .invoice-title-row h1{font-size:22px}
  .invoice-window-content{padding:10px 14px 12px}
  .invoice-window-content .sales-layout{grid-template-columns:minmax(0,1fr) 320px;gap:12px}
  .invoice-window-content .field label,
  .invoice-window-content .line-entry-grid label{font-size:12px}
  .invoice-window-content .field input,
  .invoice-window-content .field select{min-height:40px;font-size:14px;padding:9px 10px}
  .invoice-window-content .sales-table th,
  .invoice-window-content .sales-table td{padding:9px 10px;font-size:13px}
  .invoice-window-content .action-btn{min-height:44px;font-size:14px}
  .invoice-window-content .action-btn span{font-size:11px}
  .invoice-window-content .total-row{font-size:13px}
  .invoice-window-content .total-row b{font-size:15px}
  .invoice-window-content .total-row.grand b{font-size:20px}
  .header-payment-switch .pay-mode{height:48px;min-width:84px;font-size:14px}
}

/* Tablet / coarse pointer / narrower windows: same structure, compact touch targets */
/* Material Management on tablet: reclaim sidebar space and make the editor full-screen. */
@media (pointer:coarse), (max-width:1180px){
  .app{grid-template-columns:62px 1fr}.sidebar{width:62px;padding:10px 7px}.content{padding:10px}.topbar{height:54px;padding:0 12px}.page-head{margin-bottom:10px}.page-head h1{font-size:22px}.page-head p{font-size:12px}.stats{grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:8px}.stat{padding:9px;border-radius:8px}.stat .n{font-size:18px}.filters{grid-template-columns:minmax(180px,2fr) repeat(3,minmax(100px,1fr)) auto;gap:5px;padding:8px}.filters input,.filters select,.filters .btn{min-height:42px}.data th,.data td{padding:9px 8px}.drawer{width:calc(100vw - 62px);height:100dvh}.drawer-head{padding:10px 12px}.drawer-body{padding:8px 12px}.tabs{position:sticky;top:-8px;z-index:3;margin-bottom:8px}.tab{min-height:42px}.section-card{padding:10px;margin-bottom:8px}.field input,.field select,.field textarea{min-height:42px}.drawer-foot{padding:8px 12px}.drawer-foot .btn{min-height:44px}
}


/* Sidebar full-height background fix */
html,body{min-height:100%;}
.app{min-height:100vh;align-items:stretch;}
.sidebar{background:#172033;min-height:100vh;height:auto;align-self:stretch;}