:root{--navy:#081a35;--blue:#1259a7;--orange:#ff7a1a;--light:#f3f6fa;--ink:#172033;--muted:#687386;--red:#b42318;--green:#147d45;--white:#fff;--line:#dce3ec}*{box-sizing:border-box}body{margin:0;background:var(--light);color:var(--ink);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--blue);text-decoration:none}.topbar{height:66px;background:var(--navy);color:#fff;display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:5}.brand{font-size:20px;font-weight:800}.brand span{color:var(--orange)}.company{margin-left:auto;color:#c8d4e8}.layout{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 66px)}nav{background:#fff;border-right:1px solid var(--line);padding:18px 12px}nav a{display:block;padding:11px 14px;border-radius:8px;color:#33405a;font-weight:650;margin-bottom:4px}nav a:hover,nav a.active{background:#eaf2fc;color:var(--blue)}main{padding:28px;max-width:1500px}.pagehead{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}h1{font-size:27px;margin:0}h2{font-size:19px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 2px 8px #071b3510}.metric{font-size:30px;font-weight:800;color:var(--navy)}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border:0;border-radius:8px;padding:10px 15px;font-weight:700;cursor:pointer}.btn.orange{background:var(--orange)}.btn.light{background:#eaf2fc;color:var(--blue)}.btn.danger{background:#feeceb;color:var(--red)}table{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc;font-size:12px;text-transform:uppercase;color:#596579}tr:last-child td{border-bottom:0}.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:11px}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.full{grid-column:1/-1}label{display:block;font-weight:700;margin-bottom:5px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #bdc8d6;border-radius:8px;font:inherit;background:#fff}input:focus,select:focus,textarea:focus{outline:3px solid #1259a722;border-color:var(--blue)}textarea{min-height:90px}.alert{padding:12px 15px;border-radius:8px;margin-bottom:18px;background:#e9f8ef;color:var(--green)}.alert.error{background:#feeceb;color:var(--red)}.badge{display:inline-block;padding:3px 8px;border-radius:99px;background:#eaf2fc;color:var(--blue);font-size:12px;font-weight:750}.login{max-width:430px;margin:8vh auto}.login .logo{text-align:center;font-size:28px;font-weight:900;color:var(--navy);margin-bottom:20px}.login .logo span{color:var(--orange)}.actions{display:flex;gap:8px;flex-wrap:wrap}.clerk{background:var(--navy);color:#fff;border-radius:14px;padding:22px}.clerk input,.clerk select{font-size:18px;padding:14px}.clerk label{color:#cdd9eb}.clerk-grid{display:grid;grid-template-columns:120px 1.5fr 150px 120px 120px;gap:12px;align-items:end}.receipt{max-width:850px;margin:auto;background:#fff;padding:28px}@media(max-width:900px){.layout{grid-template-columns:1fr}nav{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--line)}nav a{white-space:nowrap}.grid{grid-template-columns:repeat(2,1fr)}.clerk-grid,.formgrid{grid-template-columns:1fr 1fr}.clerk-grid>*{min-width:0}}@media(max-width:560px){main{padding:16px}.grid,.formgrid,.clerk-grid{grid-template-columns:1fr}.company{display:none}}@media print{.topbar,nav,.noprint{display:none!important}.layout{display:block}main{padding:0}.receipt{box-shadow:none;border:0}}