:root{--nav:#123f63;--green:#9fd51b;--coral:#ff6b5e;--bg:#f5f7fa;--line:#dfe4ea;--text:#253447}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.login-bg{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#f7fbef,#eef6fb)}.login-card{width:min(430px,92vw);background:white;padding:34px;border-radius:18px;box-shadow:0 20px 60px #163a5b22;text-align:center}.login-logo{width:150px;height:150px;object-fit:contain}.login-card h1{margin:5px 0}.login-card p{color:#6b7787}.login-card label{text-align:left;display:block;margin:14px 0;font-size:14px;font-weight:700}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd7df;border-radius:8px;margin-top:6px;background:#fff;font:inherit}.btn{border:0;border-radius:8px;padding:11px 16px;cursor:pointer;font-weight:700}.primary{background:var(--nav);color:#fff}.secondary{background:#fff;border:1px solid #ccd5df}.danger{background:#fff0ef;color:#b43128}.app{display:flex;min-height:100vh}.sidebar{width:235px;background:var(--nav);color:white;padding:24px 16px;position:fixed;inset:0 auto 0 0}.brand{text-align:center;margin-bottom:28px}.brand img{width:92px;height:92px;object-fit:contain;background:#fff;border-radius:14px}.brand strong{display:block;margin-top:10px}.nav a{display:block;padding:12px 14px;border-radius:8px;margin:5px 0}.nav a:hover,.nav a.active{background:#ffffff18}.main{margin-left:235px;width:calc(100% - 235px)}.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}.content{padding:26px}.page-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.page-head h2{margin:0}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:18px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat b{font-size:30px;display:block;margin-top:8px}.muted{color:#7b8794}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.form-grid label{font-size:13px;font-weight:700}.span2{grid-column:span 2}.span3{grid-column:span 3}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:12px;border-bottom:1px solid #e8edf2;font-size:14px}th{background:#fafbfc}.alert{padding:11px;border-radius:8px;margin:12px 0}.good{background:#ecf8e8;color:#286a24}.bad{background:#fff0ef;color:#a92d26}.actions{display:flex;gap:8px;align-items:center}.invoice-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:18px}.item-row{display:grid;grid-template-columns:1.2fr 1.4fr .55fr .65fr .55fr .7fr 40px;gap:8px;align-items:end;margin:8px 0}.totals{font-size:15px}.totals div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed #ddd}.preview{background:white;border:1px solid #ddd;min-height:600px}.invoice-paper{padding:34px;color:#222}.inv-head{display:flex;justify-content:space-between;border-bottom:3px solid var(--nav);padding-bottom:15px}.inv-head img{width:105px;height:105px;object-fit:contain}.right{text-align:right}.invoice-paper table{margin-top:25px}.invoice-paper .grand{font-size:20px;font-weight:bold}.search{max-width:380px}.inline{display:flex;gap:8px}.inline>*{flex:1}@media(max-width:900px){.sidebar{width:78px}.brand strong,.nav span{display:none}.main{margin-left:78px;width:calc(100% - 78px)}.stats,.grid2,.grid3,.form-grid,.invoice-layout{grid-template-columns:1fr}.span2,.span3{grid-column:span 1}.item-row{grid-template-columns:1fr 1fr}.content{padding:14px}}
@media print{.sidebar,.topbar,.no-print{display:none!important}.main{margin:0;width:100%}.content{padding:0}.card{border:0}.invoice-paper{padding:10mm}}

.item-row-v11{grid-template-columns:1.15fr 1.35fr 1.05fr .55fr .7fr .55fr .7fr .85fr 40px}
@media(max-width:1200px){.item-row-v11{grid-template-columns:repeat(4,1fr)}}
@media(max-width:700px){.item-row-v11{grid-template-columns:1fr 1fr}}

/* v1.2: keep invoice item entry on one desktop row */
#items{overflow-x:auto;padding-bottom:4px}.item-row-v12{display:grid;grid-template-columns:minmax(170px,1.35fr) minmax(190px,1.55fr) minmax(130px,1fr) 72px 100px 62px 72px 112px 38px;gap:7px;align-items:end;min-width:1050px;margin:8px 0}.item-row-v12 input,.item-row-v12 select{padding:9px 8px}.item-row-v12 .remove-item{padding:10px 8px;min-width:38px}.item-row-v12 small{white-space:nowrap}@media(max-width:900px){#items{overflow-x:auto}.item-row-v12{grid-template-columns:minmax(170px,1.35fr) minmax(190px,1.55fr) minmax(130px,1fr) 72px 100px 62px 72px 112px 38px;min-width:1050px}}