*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f7f6f2;color:#26231f}a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#1f2325;color:#fff;padding:20px}.sidebar nav{display:flex;flex-direction:column;gap:8px}.sidebar a{padding:12px;border-radius:10px;background:rgba(255,255,255,.05)}.content{padding:20px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.panel{background:#fff;border:1px solid #ddd;border-radius:16px;padding:18px;margin-bottom:18px;box-shadow:0 8px 24px rgba(0,0,0,.05)}.btn{display:inline-block;padding:10px 14px;border-radius:12px;border:1px solid #ddd;background:#fff;cursor:pointer}.btn.primary{background:#01696f;color:#fff;border-color:#01696f}.btn.danger{background:#a12c7b;color:#fff;border-color:#a12c7b}.input,select,textarea{width:100%;padding:12px;border:1px solid #ccc;border-radius:12px;font-size:16px;background:#fff}.grid-2,.grid-3,.grid-4{display:grid;gap:12px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border:1px solid #ddd;border-radius:16px;padding:16px}.muted{color:#6f6b65}.badge,.chip{display:inline-block;padding:6px 10px;border-radius:999px;background:#e3efee;color:#01696f;font-size:12px;font-weight:700}.chip.active{background:#01696f;color:#fff}.subnav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(420px,100%);background:#fff;border:1px solid #ddd;border-radius:18px;padding:22px;box-shadow:0 8px 24px rgba(0,0,0,.05)}.error{color:#a12c7b;min-height:1.2em}.search{max-width:320px}.receipt{width:72px;height:72px;object-fit:cover;border-radius:12px;border:1px solid #ddd}@media(max-width:1024px){.layout{grid-template-columns:1fr}.sidebar{display:none}.stats,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.topbar{flex-direction:column}}