@import url("https://fonts.googleapis.com/css2?family=Pretendard:wght@400;500;600;700;800&display=swap");*{box-sizing:border-box;margin:0;padding:0;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background:#090d16;color:#f1f5f9;min-height:100vh}.pos-layout{display:flex;height:100vh;overflow:hidden}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-gap:16px;gap:16px;padding:20px;overflow-y:auto;flex:1 1}.product-card{background:#1e293b;border:1px solid hsla(0,0%,100%,.08);border-radius:16px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer;transition:all .2s ease}.product-card:hover{transform:translateY(-2px);border-color:#3b82f6;box-shadow:0 10px 20px -5px rgba(59,130,246,.3)}.cart-sidebar{width:400px;background:#0f172a;border-left:1px solid #1e293b;display:flex;flex-direction:column;padding:20px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.85);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:100}.modal-card{background:#1e293b;border-radius:24px;padding:32px;width:500px;border:1px solid hsla(0,0%,100%,.1);text-align:center;box-shadow:0 25px 50px -12px rgba(0,0,0,.7)}.btn{padding:14px 20px;border-radius:12px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff}.btn-danger{background:#dc2626;color:#fff}