*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#f4f7fb;color:#172033}.app{display:flex;min-height:100vh}.sidebar{width:260px;background:#101828;color:#fff;padding:18px;position:fixed;top:0;bottom:0;overflow:auto}.brand{font-size:24px;font-weight:800;margin:8px 0 24px}.brand span{color:#f97316}.sidebar a{display:block;color:#d8e0ef;text-decoration:none;padding:11px 12px;border-radius:10px;margin:4px 0}.sidebar a:hover{background:#1d2939;color:#fff}.main{margin-left:260px;width:calc(100% - 260px);padding:22px}.topbar{background:#fff;border-radius:16px;padding:16px 20px;margin-bottom:20px;display:flex;justify-content:space-between;box-shadow:0 8px 26px #10182812}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:#fff;border-radius:18px;padding:18px;box-shadow:0 8px 26px #10182812}.card h3{margin:0 0 8px}.stat{font-size:25px;font-weight:800;color:#0f766e}.btn{background:#0f766e;color:#fff;border:0;border-radius:10px;padding:10px 14px;text-decoration:none;cursor:pointer;display:inline-block}.btn.orange{background:#f97316}.btn.gray{background:#667085}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}.table th,.table td{padding:12px;border-bottom:1px solid #eef2f7;text-align:left}.table th{background:#0f766e;color:#fff}input,select,textarea{width:100%;padding:11px;border:1px solid #d0d5dd;border-radius:10px;margin:5px 0 12px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#101828,#0f766e)}.loginbox{width:420px;background:#fff;padding:34px;border-radius:22px;box-shadow:0 20px 70px #0004}.loginbox h1{margin-top:0}.pos{display:grid;grid-template-columns:2fr 1fr;gap:18px}.products{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.product{border:1px solid #e4e7ec;border-radius:14px;padding:12px;background:#fff}.receipt{font-family:monospace;width:300px;background:#fff;padding:12px}.badge{padding:5px 9px;border-radius:999px;background:#e6fffa;color:#0f766e;font-size:12px}@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.app{display:block}.main{margin-left:0;width:100%}.grid,.form-grid,.pos,.products{grid-template-columns:1fr}.topbar{display:block}}
@media print{.sidebar,.topbar,.no-print{display:none}.main{margin:0;width:100%;padding:0}.card{box-shadow:none}.receipt{width:80mm}}