:root{--ink:#1d2633;--muted:#748094;--line:#e6eaf0;--blue:#246bfd;--paper:#fff;--bg:#f5f7fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px Arial,sans-serif;color:var(--ink)}aside{position:fixed;z-index:3;inset:0 auto 0 0;width:235px;background:#172033;color:#dce3f1;padding:25px 16px;display:flex;flex-direction:column}.brand{font-size:23px;font-weight:bold;letter-spacing:1px;color:#fff}.brand span{color:#38bdf8}.brand small{display:block;font-size:9px;letter-spacing:3px;color:#91a0b8;margin:3px 0 32px}nav a,.logout{color:#c3ccda;text-decoration:none;padding:13px 14px;margin:3px 0;display:block;border-radius:8px;font-size:15px}nav a:hover{background:#27344d;color:white}.logout{margin-top:auto;border-top:1px solid #354159;border-radius:0;padding-top:20px}main{margin-left:235px;padding:30px;max-width:1500px}main>header{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}h1{font-size:27px;margin:0 0 6px}h2{font-size:18px;margin:0 0 16px}header p{margin:0;color:var(--muted)}.button,button{background:var(--blue);color:#fff;border:0;border-radius:7px;padding:10px 15px;font-weight:bold;text-decoration:none;cursor:pointer;display:inline-block}.secondary{background:#eef2f8;color:#344256}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.card{padding:21px;border-radius:12px;color:white}.card span{display:block;opacity:.85}.card b{display:block;font-size:25px;margin:12px 0}.card a{color:white;text-decoration:none;font-size:12px}.blue{background:#296df1}.purple{background:#7758dc}.orange{background:#e58132}.green{background:#1ca473}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:21px;margin-bottom:20px}.panel-head{display:flex;justify-content:space-between}.panel-head a,a{color:#246bfd;text-decoration:none}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th{text-align:left;color:#748094;font-weight:normal;font-size:12px;text-transform:uppercase;letter-spacing:.4px;background:#fafbfc}th,td{padding:13px 10px;border-bottom:1px solid var(--line);white-space:nowrap}.right{text-align:right}.badge{padding:5px 8px;border-radius:50px;text-transform:capitalize;font-size:12px}.badge.sale{color:#067647;background:#e7f8ee}.badge.purchase{color:#7359c8;background:#f0ebff}.badge.expense{color:#c76018;background:#fff0e6}.empty{text-align:center;color:#748094;padding:30px}.filters,.form-row{display:flex;gap:12px;align-items:end;margin-bottom:18px}.filters{flex-wrap:wrap}.filters select,.filters input{width:auto}label{display:block;font-weight:bold;margin-bottom:13px;flex:1}input,select,textarea{display:block;width:100%;margin-top:6px;border:1px solid #d7dde8;border-radius:6px;padding:10px;background:white;color:#1d2633;font:inherit}textarea{min-height:80px}.form-grid{max-width:1050px}.totals{justify-content:flex-end}.totals label{max-width:220px}.two-col{display:grid;grid-template-columns:360px 1fr;gap:20px}.settings{max-width:800px}.flash{padding:12px 16px;border-radius:7px;background:#e8f8ef;color:#087442;margin:0 0 18px}.flash.error{background:#fff0f0;color:#be3232}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(130deg,#172033,#31466e)}.login-card{background:#fff;padding:36px;width:min(400px,92vw);border-radius:14px;box-shadow:0 18px 60px #0005}.login-card .brand{color:#172033}.login-card h1{margin-top:8px}.login-card>p{color:#748094;margin:0 0 20px}.login-card button{width:100%;margin:7px 0 18px}.login-card small{color:#748094}.invoice-actions{max-width:900px;margin:0 auto 18px;display:flex;gap:10px}.invoice{max-width:900px;background:#fff;margin:auto;padding:48px;box-shadow:0 1px 5px #0002}.invoice h1{color:#172033}.invoice p{line-height:1.5;color:#4b5563}.invoice-top,.bill{display:flex;justify-content:space-between;gap:30px}.invoice-top>div:last-child{text-align:right}.invoice-total{margin:25px 0 25px auto;width:300px}.invoice-total p,.invoice-total h2{display:flex;justify-content:space-between;border-bottom:1px solid #ddd;padding-bottom:8px}.invoice footer{text-align:center;border-top:1px solid #ddd;padding-top:18px;color:#687386}.mobile{display:none}
@media(max-width:900px){aside{transform:translateX(-100%);transition:.2s}.open{transform:translateX(0)}main{margin:0;padding:18px}.mobile{display:block;margin-right:10px}.cards{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.form-row{display:block}.invoice{padding:20px}.invoice-top,.bill{display:block}.invoice-top>div:last-child{text-align:left}}@media(max-width:500px){.cards{grid-template-columns:1fr}main>header .button{font-size:12px;padding:9px}h1{font-size:22px}}
@media print{aside,main>header,.invoice-actions{display:none}main{margin:0;padding:0}.invoice{box-shadow:none;width:100%;max-width:none}}