body{margin:0;font-family:system-ui;background:#f3f4f6}.card{background:#fff;border-radius:12px;padding:14px;margin-bottom:12px}input,button{width:100%;padding:10px;margin-top:6px}.container{max-width:900px;margin:auto;padding:20px}.stock-form input{margin:6px;padding:8px}.stock-form button{padding:8px 16px}.stock-table{width:100%;border-collapse:collapse;margin-top:20px}.stock-table th,.stock-table td{border:1px solid #ddd;padding:8px}.logout-btn{float:right;background:#ff4d4d;color:#fff;border:none;padding:6px 12px}