/* PMS Healthcare ERP - Responsive UI v2 */
:root{
 --primary:#0b63ce;--primary2:#084b9c;--nav:#0b1f36;--nav2:#122d4b;
 --bg:#f4f7fb;--card:#fff;--border:#e4e9f0;--text:#172033;--muted:#667085;
 --success:#14804a;--danger:#c4322b;--warning:#a15c00;--shadow:0 8px 25px rgba(15,35,65,.07);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,ui-sans-serif,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
body{min-height:100vh}
a{color:inherit}
.app{display:flex;min-height:100vh}
.sidebar{width:258px;background:linear-gradient(180deg,var(--nav),#08182a);color:#fff;position:fixed;inset:0 auto 0 0;overflow:auto;z-index:40;box-shadow:5px 0 24px rgba(0,0,0,.08)}
.brand{display:flex;align-items:center;gap:11px;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.1);min-height:82px}
.brand img{width:48px;height:48px;object-fit:contain;background:#fff;border-radius:9px;padding:3px}
.brand div{font-size:14px;line-height:1.35;font-weight:800}
.brand small{font-size:11px;font-weight:500;color:#a9bbd0}
.sidebar nav{padding:12px 9px 30px}
.sidebar nav a{display:flex;align-items:center;gap:9px;color:#dce7f3;text-decoration:none;padding:11px 13px;margin:3px 0;border-radius:8px;font-size:13px;font-weight:600;transition:.15s}
.sidebar nav a:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateX(2px)}
.main{margin-left:258px;width:calc(100% - 258px);min-width:0}
.topbar{height:68px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:15px;padding:0 24px;position:sticky;top:0;z-index:25;backdrop-filter:blur(8px)}
.topbar b{font-size:14px}
.menu{display:none;border:0;background:#edf3fa;border-radius:8px;padding:8px 11px;font-size:18px;cursor:pointer}
.content{padding:24px;max-width:1800px;margin:auto}
h1{font-size:25px;margin:0 0 5px}
h2{font-size:20px}
h3{font-size:16px}
.muted{color:var(--muted)}
.kpi{font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:13px;padding:18px;box-shadow:var(--shadow)}
.stat{font-size:26px;font-weight:800;margin-top:9px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:0;border-radius:8px;padding:9px 13px;text-decoration:none;cursor:pointer;background:var(--primary);color:#fff;font-size:13px;font-weight:700;transition:.15s}
.btn:hover{background:var(--primary2);transform:translateY(-1px)}
.btn.secondary{background:#64748b}.btn.success{background:var(--success)}.btn.danger{background:var(--danger)}
.btn.light{background:#edf3f9;color:#213047}.btn.light:hover{background:#dfe9f4}
.actions{display:flex;gap:7px;flex-wrap:wrap}
.toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:17px;flex-wrap:wrap}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--border);border-radius:11px}
.table{width:100%;border-collapse:collapse;min-width:650px}
.table th,.table td{padding:11px 12px;border-bottom:1px solid #edf0f4;text-align:left;white-space:nowrap;font-size:13px}
.table th{background:#f8fafc;color:#475467;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.table tr:hover td{background:#fbfdff}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.field label{display:block;font-size:12px;margin-bottom:6px;font-weight:800;color:#344054}
.field input,.field select,.field textarea,.search{width:100%;padding:10px 11px;border:1px solid #ccd5e1;border-radius:8px;background:#fff;color:var(--text);font:inherit;outline:none}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.search:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,99,206,.1)}
.field.full{grid-column:1/-1}
.alert{padding:11px 13px;border-radius:9px;margin-bottom:13px;font-size:13px;font-weight:600}
.alert.success{background:#eaf8f0;color:#11652f;border:1px solid #c9ecd7}
.alert.error{background:#feeeee;color:#9c1c15;border:1px solid #f3c7c4}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}
.filters input,.filters select{padding:9px 10px;border:1px solid #ccd5e1;border-radius:8px;background:#fff}
.pos{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(390px,.9fr);gap:16px;align-items:start}
.pos>.card{min-width:0}
.medicine-results{max-height:430px;overflow:auto;margin-top:9px;border:1px solid var(--border);border-radius:9px}
.med-row{padding:12px;cursor:pointer;display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #edf0f4}
.med-row:last-child{border-bottom:0}
.med-row:hover{background:#f4f8ff}
.cart td{vertical-align:middle}
.qty{width:72px;padding:7px;border:1px solid #ccd5e1;border-radius:7px}
.right{text-align:right}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef3f9;font-size:11px;font-weight:700}
.danger-text{color:var(--danger)}.success-text{color:var(--success)}
.modal{display:none;position:fixed;inset:0;background:rgba(5,17,31,.58);z-index:100;align-items:center;justify-content:center;padding:16px}
.modal.open{display:flex}
.modal-box{background:#fff;border-radius:14px;width:min(760px,100%);max-height:90vh;overflow:auto;padding:22px;box-shadow:0 20px 70px rgba(0,0,0,.2)}
.invoice{background:#fff;max-width:210mm;margin:auto;padding:12mm;min-height:277mm;box-shadow:var(--shadow)}
.invoice-head{display:flex;justify-content:space-between;gap:20px;border-bottom:2px solid var(--text);padding-bottom:12px}
.invoice-logo{width:80px;height:80px;object-fit:contain}
.totals{margin-left:auto;width:310px;border-collapse:collapse}
.totals td{padding:6px;border-bottom:1px solid #edf0f4}
.print-only{display:none}
.empty{padding:30px;text-align:center;color:var(--muted)}
.login-shell{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#edf5ff,#f7fafc)}
@media(max-width:1050px){
 .sidebar{width:235px}.main{margin-left:235px;width:calc(100% - 235px)}
 .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .pos{grid-template-columns:1fr}
}
@media(max-width:760px){
 .sidebar{transform:translateX(-100%);transition:.2s;width:270px}
 .main{margin-left:0;width:100%}
 .menu{display:block}
 .nav-open .sidebar{transform:translateX(0)}
 .content{padding:14px}
 .grid{grid-template-columns:1fr 1fr;gap:10px}
 .form-grid{grid-template-columns:1fr}
 .field.full{grid-column:auto}
 .toolbar{align-items:flex-start}
 .toolbar .btn{white-space:nowrap}
 .topbar{padding:0 14px}
 .invoice{padding:7mm;box-shadow:none}
}
@media(max-width:480px){
 .grid{grid-template-columns:1fr}
 h1{font-size:21px}
 .card{padding:14px}
 .modal-box{padding:16px}
}
@media print{
 @page{size:A4;margin:0}
 body{background:#fff}
 .sidebar,.topbar,.no-print,.print-hide{display:none!important}
 .main{margin:0;width:100%}
 .content{padding:0;max-width:none}
 .invoice{box-shadow:none;width:210mm;min-height:297mm;margin:0;padding:12mm}
 .print-only{display:block}
}