:root{--nav:#15243a;--nav2:#203754;--primary:#2468d8;--bg:#f3f6fa;--card:#fff;--text:#1c2735;--muted:#6b7788;--border:#dfe5ec;--danger:#d94343;--success:#1f9d61}
*{box-sizing:border-box}html,body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg)}a{text-decoration:none;color:inherit}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:linear-gradient(180deg,var(--nav),#101b2b);color:#fff;z-index:30;padding:14px;overflow:auto}.brand{display:flex;gap:10px;align-items:center;padding:10px 7px 20px;border-bottom:1px solid #ffffff20}.brand-icon{font-size:30px}.brand small{display:block;font-size:11px;opacity:.75;margin-top:3px}.sidebar nav{display:grid;gap:5px;margin-top:15px}.sidebar nav a{padding:12px;border-radius:8px;display:flex;align-items:center;gap:10px;font-size:14px}.sidebar nav a:hover,.sidebar nav a.active{background:var(--primary)}.main{margin-left:240px;min-height:100vh}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:15px;padding:0 22px;position:sticky;top:0;z-index:20}.topbar h1{font-size:18px;margin:0}.topbar small{color:var(--muted)}.menu-btn{display:none;border:0;background:none;font-size:24px}.user-chip{margin-left:auto;color:var(--muted)}.content{padding:22px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.card,.panel{background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 3px 15px #1c27350a}.metric{padding:18px}.metric strong{font-size:28px;display:block;margin-top:8px}.metric span{color:var(--muted);font-size:13px}.grid-2{display:grid;grid-template-columns:1.3fr 1fr;gap:16px;margin-top:16px}.panel{padding:18px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.panel h2{font-size:16px;margin:0}.btn{border:0;border-radius:8px;padding:10px 14px;display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;font-weight:600;background:#e8edf3;color:#243246}.btn.primary{background:var(--primary);color:#fff}.btn.success{background:var(--success);color:#fff}.btn.danger{background:var(--danger);color:#fff}.btn.small{padding:7px 10px;font-size:12px}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:9px}table{border-collapse:collapse;width:100%;min-width:720px;background:#fff}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);font-size:13px}th{background:#f8fafc;color:#4b5868;font-size:12px}.badge{display:inline-block;padding:5px 8px;border-radius:999px;font-size:11px;font-weight:700}.badge.gray{background:#edf0f3}.badge.yellow{background:#fff3ca;color:#805f00}.badge.blue{background:#dceaff;color:#1452a4}.badge.orange{background:#ffe4c0;color:#8b4c00}.badge.green{background:#d9f5e7;color:#0b7040}.badge.purple{background:#e8dcff;color:#6037a3}.badge.red{background:#ffdede;color:#a92828}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:700;color:#4d5b6d}.field input,.field select,.field textarea{width:100%;padding:11px;border:1px solid #ccd5df;border-radius:8px;background:#fff;font:inherit}.field textarea{min-height:90px;resize:vertical}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.alert{padding:12px 14px;border-radius:9px;margin-bottom:15px}.alert.success{background:#ddf5e8;color:#12663d}.alert.error{background:#ffe3e3;color:#922}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#13233a,#2f69ba)}.login-card{width:min(420px,100%);background:#fff;padding:28px;border-radius:16px;box-shadow:0 20px 50px #0004}.login-card h1{text-align:center;margin-top:0}.login-card .brandmark{text-align:center;font-size:46px}.muted{color:var(--muted);font-size:13px}.receipt{background:#fff;border:1px solid #ccc;padding:25px;max-width:850px;margin:auto}.receipt h2{text-align:center}.summary-line{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed #ddd}.overlay{display:none}
@media(max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.form-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none}.main{margin-left:0}.menu-btn{display:block}.content{padding:14px}.topbar{padding:0 14px}.overlay.show{display:block;position:fixed;inset:0;background:#0007;z-index:25}.cards{grid-template-columns:1fr 1fr;gap:10px}.metric{padding:14px}.metric strong{font-size:23px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.btn{min-height:42px}.panel{padding:13px}.user-chip{display:none}}
@media(max-width:430px){.cards{grid-template-columns:1fr}.topbar h1{font-size:16px}}
@media print{.sidebar,.topbar,.actions,.no-print{display:none!important}.main{margin:0}.content{padding:0}.receipt{border:0}.panel{box-shadow:none;border:0}}